From 9ada9cdc52c22fabb658680d3869d3ab6ab87f61 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Mon, 19 Aug 2024 10:26:57 +0800
Subject: [PATCH] update booster from booster project

---
 booster/dictionary.c       |    3 
 booster/at-esp32.c         |  388 ++++++
 booster/dictionary.h       |    3 
 booster/logger.h           |  123 -
 booster/ringbuf.h          |   12 
 booster/logger.c           |  503 ++-----
 booster/ringbuf.c          |   17 
 booster/test/test_logger.c |   45 
 booster/esp32.c            |  166 ++
 booster/README.md          |    4 
 booster/linux_list.h       |  524 ++++----
 booster/test/makefile      |   63 
 booster/util_proc.c        |   26 
 booster/comport.h          |   52 
 booster/esp32.h            |   35 
 booster/atcmd.c            |  300 ++++
 booster/comport.c          |  411 ++---
 booster/util_proc.h        |   26 
 booster/list.h             |  723 +++++++++++
 booster/atcmd.h            |   93 +
 /dev/null                  |   42 
 booster/at-esp32.h         |  140 ++
 booster/makefile           |   25 
 booster/iniparser.h        |    4 
 booster/iniparser.c        |    6 
 25 files changed, 2,697 insertions(+), 1,037 deletions(-)

diff --git a/booster/README.md b/booster/README.md
new file mode 100644
index 0000000..2b4e7a9
--- /dev/null
+++ b/booster/README.md
@@ -0,0 +1,4 @@
+## booster
+
+LingYun embedded C program basic library
+
diff --git a/booster/at-esp32.c b/booster/at-esp32.c
new file mode 100644
index 0000000..df460c4
--- /dev/null
+++ b/booster/at-esp32.c
@@ -0,0 +1,388 @@
+/*********************************************************************************
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
+ *                  All rights reserved.
+ *
+ *       Filename:  at-esp32.c
+ *    Description:  This file is ESP32 AT command low level API functions
+ *
+ *        Version:  1.0.0(11/08/23)
+ *         Author:  Guo Wenxue <guowenxue@gmail.com>
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
+ *
+ ********************************************************************************/
+
+#include "logger.h"
+#include "at-esp32.h"
+
+/*+------------------------+
+ *|    Baisc AT command    |
+ *+------------------------+*/
+
+static inline int check_at_ready(comport_t *comport)
+{
+    int             times = 6;
+    int             ready = 0;
+
+    while( times-- )
+    {
+        if( 0 == send_atcmd_check_ok(comport, "AT", 500) )
+        {
+            ready = 1;
+            break;
+        }
+    }
+
+    return ready;
+}
+
+/* AT command: AT+RST */
+int esp32_reset(comport_t *comport)
+{
+    int             rv;
+
+    rv = send_atcmd(comport, "AT+RST", 5000, "ready", AT_ERRSTR, NULL, 0);
+    if( rv < 0)
+    {
+        log_error("send AT command to reset ESP32 failed, rv=%d\n", rv);
+        return -1;
+    }
+
+    if( check_at_ready(comport) )
+    {
+        log_info("send AT to reset ESP32 and AT command ready\n");
+        return 0;
+    }
+    else
+    {
+        log_info("send AT to reset ESP32 but AT command not ready\n");
+        return -3;
+    }
+}
+
+/* AT command: AT+RESTORE */
+int esp32_restore(comport_t *comport)
+{
+    int             rv;
+
+    //rv = send_atcmd_check_ok(comport, "AT+RESTORE", 5000);
+    rv = send_atcmd(comport, "AT+RESTORE", 5000, "ready", AT_ERRSTR, NULL, 0);
+    if( rv < 0)
+    {
+        log_error("send AT command to restore ESP32 failed, rv=%d\n", rv);
+        return -1;
+    }
+
+    if( check_at_ready(comport) )
+    {
+        log_info("send AT command to resstore ESP32 ready\n");
+        return 0;
+    }
+    else
+    {
+        log_error("send AT command to restore ESP32 but AT not ready\n");
+        return -3;
+    }
+}
+
+/* AT command: ATE1 or ATE0 */
+int esp32_set_echo(comport_t *comport, int enable)
+{
+    char           *at = enable? "ATE1" : "ATE0";
+
+    return send_atcmd_check_ok(comport, at, 500);
+}
+
+/* AT command: AT+GMR */
+int esp32_get_firmware(comport_t *comport, char *version, int size)
+{
+    if( !version || size<=0 )
+        return -1;
+
+    return send_atcmd_check_value(comport, "AT+GMR", 2000, version, size);
+}
+
+/* AT command: AT+SYSSTORE */
+int esp32_set_sysstore(comport_t *comport, int enable)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    snprintf(at, sizeof(at), "AT+SYSSTORE=%d", enable?1:0);
+
+    return send_atcmd_check_ok(comport, at, 1000);
+}
+
+/*+------------------------+
+ *|    WiFi AT command     |
+ *+------------------------+*/
+
+/* AT command: AT+CWMODE */
+int esp32_set_wmode(comport_t *comport, workmode_t mode, int autoconn)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    snprintf(at, sizeof(at), "AT+CWMODE=%d,%d", mode, autoconn?1:0);
+    return send_atcmd_check_ok(comport, at, 1500);
+}
+
+/* AT command: AT+CIPSTAMAC/CIPAPMAC */
+int esp32_get_macaddr(comport_t *comport, workmode_t mode, char *mac)
+{
+    if( !mac )
+        return -1;
+
+    if( MODE_SOFTAP == mode )
+        return send_atcmd_check_request(comport, "AT+CIPAPMAC?", 3000, mac, MAC_LEN);
+    else
+        return send_atcmd_check_request(comport, "AT+CIPSTAMAC?", 3000, mac, MAC_LEN);
+}
+
+/* AT command: AT+CIPSTA/AT+CIPAP  */
+int esp32_set_ipaddr(comport_t *comport, workmode_t mode, char *ip, char *gateway)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    if( !ip || !gateway )
+        return -1;
+
+    if( MODE_SOFTAP == mode )
+        snprintf(at, sizeof(at), "AT+CIPAP=\"%s\",\"%s\"", ip, gateway);
+    else
+        snprintf(at, sizeof(at), "AT+CIPSTA=\"%s\",\"%s\"", ip, gateway);
+
+    return send_atcmd_check_ok(comport, at, 2000);
+}
+
+/* AT command: AT+CIPSTA/AT+CIPAP  */
+int esp32_get_ipaddr(comport_t *comport, workmode_t mode, char *ip, char *gateway)
+{
+    char           *at = MODE_SOFTAP==mode? "AT+CIPAP?" : "AT+CIPSTA?";
+    char            buf[ATCMD_REPLY_LEN];
+    int             rv;
+
+    if( !ip || !gateway )
+        return -1;
+
+    rv = send_atcmd_check_value(comport, at, 3000, buf, sizeof(buf));
+    if( rv < 0)
+    {
+        log_error("AT command query IP address failed, rv=%d\n", rv);
+        return rv;
+    }
+
+    rv = parser_request_value(buf, "ip", ip, IP_LEN);
+    if( rv < 0 )
+    {
+        log_error("Parser query IP address failed, rv=%d\n", rv);
+        return rv;
+    }
+
+    rv = parser_request_value(buf, "gateway", gateway, IP_LEN);
+    if( rv < 0 )
+    {
+        log_error("Parser query gateway address failed, rv=%d\n", rv);
+        return rv;
+    }
+
+    return 0;
+}
+
+/* AT command: AT+CWDHCP */
+int esp32_set_dhcp(comport_t *comport, workmode_t mode, int enable)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    snprintf(at, sizeof(at), "AT+CWDHCP=%d,%d", enable?1:0, mode);
+    return send_atcmd_check_ok(comport, at, 1500);
+}
+
+/* AT command: AT+CWAUTOCONN */
+int esp32_set_autoconn(comport_t *comport, int enable)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    snprintf(at, sizeof(at), "AT+CWAUTOCONN=%d", enable?1:0);
+    return send_atcmd_check_ok(comport, at, 1500);
+}
+
+/* AT command: AT+CWLAP */
+int esp32_list_ap(comport_t *comport, char *buf, int size)
+{
+    if( !buf || size<=0 )
+        return -1;
+
+    return send_atcmd_check_value(comport, "AT+CWLAP", 8000, buf, size);
+}
+
+/* AT command: AT+CWJAP */
+int esp32_connect_ap(comport_t *comport, char *ssid, char *pwd)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    if( !ssid || !pwd )
+        return -1;
+
+    snprintf(at, sizeof(at), "AT+CWJAP=\"%s\",\"%s\"", ssid, pwd);
+    return send_atcmd_check_ok(comport, at, 15000);
+}
+
+/* AT command: AT+CWQAP */
+int esp32_disconn_ap(comport_t *comport)
+{
+    return send_atcmd_check_ok(comport, "AT+CWQAP", 5000);
+}
+
+
+/* AT command: AT+CWSTATE?  status value:
+ * - 0: ESP32 station has not started any Wi-Fi connection.
+ * - 1: ESP32 station has connected to an AP, but does not get an IPv4 address yet.
+ * - 2: ESP32 station has connected to an AP, and got an IPv4 address.
+ * - 3: ESP32 station is in Wi-Fi connecting or reconnecting state.
+ * - 4: ESP32 station is in Wi-Fi disconnected state
+ */
+int esp32_join_status(comport_t *comport, int *status, char *ssid)
+{
+    char            buf[ATCMD_REPLY_LEN];
+    int             rv;
+
+    if( !status || !ssid )
+        return -1;
+
+    rv = send_atcmd_check_request(comport, "AT+CWSTATE?", 3000, buf, sizeof(buf));
+    if( rv < 0)
+    {
+        log_error("AT command query join status failed, rv=%d\n", rv);
+        return rv;
+    }
+
+    sscanf(buf, "%d,%s", status, ssid);
+
+    return 0;
+}
+
+/* AT command:  AT+PING */
+int esp32_ping(comport_t *comport, char *host, int timeout)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    if( !host )
+        return -1;
+
+    snprintf(at, sizeof(at), "AT+PING=\"%s\"", host);
+    return send_atcmd_check_ok(comport, at, timeout);
+}
+
+/* AT command:  AT+CWSAP */
+int esp32_set_softap(comport_t *comport, char *ssid, char *pwd, int channel, encmode_t encmode)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    if( !ssid || !pwd )
+        return -1;
+
+    snprintf(at, sizeof(at), "AT+CWSAP=\"%s\",\"%s\",%d,%d", ssid, pwd, channel, encmode);
+    return send_atcmd_check_ok(comport, at, 5000);
+}
+
+/* AT command: AT+CWLIF */
+int esp32_list_client(comport_t *comport, char *buf, int size)
+{
+    if( !buf || size<=0 )
+        return -1;
+
+    return send_atcmd_check_value(comport, "AT+CWLIF", 8000, buf, size);
+}
+
+/*+------------------------+
+ *|   Socket AT command    |
+ *+------------------------+*/
+
+/* AT command: AT+CIPMUX */
+int esp32_set_socket_mux(comport_t *comport, int enable)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    snprintf(at, sizeof(at), "AT+CIPMUX=%d", enable?1:0);
+
+    return send_atcmd_check_ok(comport, at, 1500);
+}
+
+/* AT command: AT+CIPSERVERMAXCONN */
+int esp32_set_socket_clients(comport_t *comport, int max)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    if( max <= 0 )
+        return -1;
+
+    snprintf(at, sizeof(at), "AT+CIPSERVERMAXCONN=%d", max);
+
+    return send_atcmd_check_ok(comport, at, 1500);
+}
+
+/* AT command: AT+CIPSTO, timeout unit second */
+int esp32_set_socket_timeout(comport_t *comport, int timeout)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    if( timeout <= 0 )
+        return -1;
+
+    snprintf(at, sizeof(at), "AT+CIPSTO=%d", timeout);
+
+    return send_atcmd_check_ok(comport, at, 1500);
+}
+
+/* AT command: AT+CIPSERVER */
+int esp32_set_tcp_server(comport_t *comport, int port)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    if( port <= 0 )
+        return -1;
+
+    snprintf(at, sizeof(at), "AT+CIPSERVER=1,%d,\"TCP\"", port);
+
+    return send_atcmd_check_ok(comport, at, 1500);
+}
+
+/* AT command: AT+CIPSERVER */
+int esp32_del_tcp_server(comport_t *comport, int port)
+{
+    char            at[ATCMD_LEN]={'\0'};
+
+    if( port <= 0 )
+        return -1;
+
+    snprintf(at, sizeof(at), "AT+CIPSERVER=0,%d,\"TCP\"", port);
+
+    return send_atcmd_check_ok(comport, at, 1500);
+}
+
+/* AT command: AT+CIPSTART */
+int esp32_set_tcp_client(comport_t *comport, int mux, char *host, int port)
+{
+    char            at[ATCMD_LEN]={'\0'};
+    char            buf[ATCMD_REPLY_LEN]={'\0'};
+    int             keepalive = 60; /* unit second */
+    int             rv,linkid = 0;
+
+    if( !host || port <= 0 )
+        return -1;
+
+    rv = esp32_set_socket_mux(comport, mux);
+    if(rv < 0)
+        return rv;
+
+    if( mux )
+        snprintf(at, sizeof(at), "AT+CIPSTART=1,\"TCP\",\"%s\",%d,%d", host, port, keepalive);
+    else
+        snprintf(at, sizeof(at), "AT+CIPSTART=\"TCP\",\"%s\",%d,%d", host, port, keepalive);
+
+    rv = send_atcmd_check_value(comport, at, 1500, buf, sizeof(buf));
+    if(rv < 0)
+        return rv;
+
+    sscanf(buf, "%d,", &linkid);
+
+    return linkid;
+}
diff --git a/booster/at-esp32.h b/booster/at-esp32.h
new file mode 100644
index 0000000..40d44e0
--- /dev/null
+++ b/booster/at-esp32.h
@@ -0,0 +1,140 @@
+/*********************************************************************************
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
+ *                  All rights reserved.
+ *
+ *       Filename:  at-esp32.h
+ *    Description:  This file is ESP32 AT command low level API functions
+ *
+ *        Version:  1.0.0(11/08/23)
+ *         Author:  Guo Wenxue <guowenxue@gmail.com>
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
+ *
+ ********************************************************************************/
+
+#ifndef  _AT_ESP32_H_
+#define  _AT_ESP32_H_
+
+#include "atcmd.h"
+
+enum
+{
+    DISABLE = 0,    /* common disable */
+    ENABLE,         /* common enable  */
+};
+
+#define MAC_LEN     18 /* 11:22:33:44:55:66 */
+#define IP_LEN      16 /* 255.255.255.255 */
+
+/*+------------------------+
+ *|    Baisc AT command    |
+ *+------------------------+*/
+
+/* AT command: AT+RST */
+extern int esp32_reset(comport_t *comport);
+
+/* AT command: AT+RESTORE */
+extern int esp32_restore(comport_t *comport);
+
+/* AT command: ATE1 or ATE0 */
+extern int esp32_set_echo(comport_t *comport, int enable);
+
+/* AT command: AT+GMR */
+extern int esp32_get_firmware(comport_t *comport, char *version, int size);
+
+/* AT command: AT+SYSSTORE */
+extern int esp32_set_sysstore(comport_t *comport, int enable);
+
+
+/*+------------------------+
+ *|    WiFi AT command     |
+ *+------------------------+*/
+typedef enum
+{
+    MODE_DISABLE=0, /* Wi-Fi RF will be disabled */
+    MODE_STATION,   /* Station mode */
+    MODE_SOFTAP,    /* SoftAP mode */
+    MODE_WDS,       /* Wireless Distribution System: Both Station & SoftAP mode */
+} workmode_t;
+
+/* AT command: AT+CWMODE */
+extern int esp32_set_wmode(comport_t *comport, workmode_t mode, int autoconn);
+
+/* AT command: AT+CWDHCP */
+extern int esp32_set_dhcp(comport_t *comport, workmode_t mode, int enable);
+
+/* AT command: AT+CWAUTOCONN */
+extern int esp32_set_autoconn(comport_t *comport, int enable);
+
+/* AT command: AT+CIPSTAMAC/CIPAPMAC */
+extern int esp32_get_macaddr(comport_t *comport, workmode_t mode, char *mac);
+
+/* AT command: AT+CIPSTA/CIPAP */
+extern int esp32_get_ipaddr(comport_t *comport, workmode_t mode, char *ip, char *gateway);
+
+/* AT command: AT+CIPSTA/AT+CIPAP  */
+extern int esp32_set_ipaddr(comport_t *comport, workmode_t mode, char *ip, char *gateway);
+
+/* AT command: AT+CWLAP */
+extern int esp32_list_ap(comport_t *comport, char *buf, int size);
+
+/* AT command: AT+CWJAP */
+extern int esp32_connect_ap(comport_t *comport, char *ssid, char *pwd);
+
+/* AT command: AT+CWQAP */
+extern int esp32_disconn_ap(comport_t *comport);
+
+/* AT command: AT+CWSTATE? , status value:
+ * - 0: ESP32 station has not started any Wi-Fi connection.
+ * - 1: ESP32 station has connected to an AP, but does not get an IPv4 address yet.
+ * - 2: ESP32 station has connected to an AP, and got an IPv4 address.
+ * - 3: ESP32 station is in Wi-Fi connecting or reconnecting state.
+ * - 4: ESP32 station is in Wi-Fi disconnected state
+ */
+extern int esp32_join_status(comport_t *comport, int *status, char *ssid);
+
+/* AT command:  AT+PING */
+extern int esp32_ping(comport_t *comport, char *host, int timeout);
+
+/* AT command:  AT+CWSAP */
+typedef enum
+{
+    MODE_OPEN,
+    /* WEP not support */
+    MODE_WPAPSK = 2,
+    MODE_WPA2PSK,
+    MODE_WPA_WPA2PSK,
+} encmode_t;
+extern int esp32_set_softap(comport_t *comport, char *ssid, char *pwd, int channel, encmode_t encmode);
+
+/* AT command:  AT+CWLIF */
+extern int esp32_list_client(comport_t *comport, char *buf, int size);
+
+
+/*+------------------------+
+ *|   Socket AT command    |
+ *+------------------------+*/
+
+/* AT command: CIPMUX */
+extern int esp32_set_socket_mux(comport_t *comport, int enable);
+
+/* AT command: AT+CIPSERVERMAXCONN */
+extern int esp32_set_socket_clients(comport_t *comport, int max);
+
+/* AT command: AT+CIPSTO, timeout unit second */
+extern int esp32_set_socket_timeout(comport_t *comport, int timeout);
+
+/* AT command: AT+CIPSERVER */
+extern int esp32_set_tcp_server(comport_t *comport, int port);
+
+/* AT command: AT+CIPSERVER */
+extern int esp32_del_tcp_server(comport_t *comport, int port);
+
+/* AT command: AT+CIPSTART */
+extern int esp32_set_tcp_client(comport_t *comport, int mux, char *host, int port);
+
+/*+------------------------+
+ *|     BLE AT command     |
+ *+------------------------+*/
+// RFU
+
+#endif   /* ----- #ifndef _AT_ESP32_H_  ----- */
diff --git a/booster/atcmd.c b/booster/atcmd.c
new file mode 100644
index 0000000..7308f1b
--- /dev/null
+++ b/booster/atcmd.c
@@ -0,0 +1,300 @@
+/*********************************************************************************
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
+ *                  All rights reserved.
+ *
+ *       Filename:  atcmd.c
+ *    Description:  This file is lowlevel AT command send and parser API functions
+ *
+ *        Version:  1.0.0(11/08/23)
+ *         Author:  Guo Wenxue <guowenxue@gmail.com>
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
+ *
+ ********************************************************************************/
+
+#include <ctype.h>
+#include "logger.h"
+#include "atcmd.h"
+
+/*  Description: this function used to send an AT command from serial port and wait for reply message from
+ *               the communication module, and it will return once get expet/error string or timeout.
+ *
+ *    Arugments:
+ *         $comport: the serial port which connected to GPRS/3G/4G/NB-IoT/WiFi/BLE/Zigbee/LoRa...
+ *              $at: the AT command need to be sent, without "\r\n"
+ *         $timeout: wait for module reply for AT command timeout value, unit micro seconds(ms)
+ *          $exepct: the expect string reply from communication module
+ *           $error: the error string reply from communication module
+ *           $reply: the module reply message output buffer
+ *            $size: the output buffer ($reply) size
+ *
+ * Return value: <0: Function error   0: Got error string   1: Got expect string 2: Receive util timeout
+ *
+ */
+
+int send_atcmd(comport_t *comport, char *at, unsigned long timeout, char *expect, char *error, char *reply, int size)
+{
+    int                    i, rv = 0;
+    int                    res = ATRES_TIMEOUT;
+    int                    bytes = 0;
+    char                   buf[ATCMD_REPLY_LEN] = {'\0'};
+    char                   atcmd[ATCMD_LEN] = {'\0'};
+
+    if( !comport || !at )
+    {
+        log_error("Invalid input arguments\n");
+        return -1;
+    }
+
+    if( comport->fd <= 0 )
+    {
+        log_error("comport[%s] not opened\n");
+        return -2;
+    }
+
+    /* flushes both data received but not read, and data written but not transmitted in serial port */
+    tcflush(comport->fd, TCIOFLUSH);
+
+    snprintf(atcmd, sizeof(atcmd), "%s%s", at, AT_SUFFIX);
+    rv=comport_send( comport, atcmd, strlen(atcmd) );
+    if(rv < 0)
+    {
+        log_error("send AT command \"%s\" to \"%s\" failed, rv=%d\n", at, comport->devname, rv);
+        return -3;
+    }
+
+    res = ATRES_TIMEOUT;
+    memset( buf, 0, sizeof(buf) );
+
+    for(i=0; i<timeout/10; i++)
+    {
+        if( bytes >= sizeof(buf) )
+            break;
+
+        rv=comport_recv( comport, buf+bytes, sizeof(buf)-bytes, 10);
+        if(rv < 0)
+        {
+            log_error("send AT command \'%s\' to \'%s\' failed, rv=%d\n", at, comport->devname, rv);
+            return -3;
+        }
+
+        bytes += rv;
+
+        if( expect && strstr(buf, expect) )
+        {
+            log_debug("send AT command \"%s\" and got reply \"OK\"\n", at);
+            res = ATRES_EXPECT;
+            break;
+        }
+
+        if( error && strstr(buf, error) )
+        {
+            log_debug("send AT command \"%s\" and got reply \"ERROR\"\n", at);
+            res = ATRES_ERROR;
+            break;
+        }
+    }
+
+    if( bytes > 0 )
+        log_trace("AT command reply:%s", buf);
+
+    if( reply && size>0 )
+    {
+        bytes = strlen(buf)>size ? size : strlen(buf);
+        memset(reply, 0, size);
+        strncpy(reply, buf, bytes);
+
+        log_debug("copy out AT command \"%s\" reply message: \n%s", at, reply);
+    }
+
+    return res;
+}
+
+
+/*
+ *  Description: Send AT command which will only reply by "OK" or "ERROR", such as AT:
+ *                 Reply:   \r\nOK\r\n
+ * Return Value: 0: OK     -X: Failure
+ */
+int send_atcmd_check_ok(comport_t *comport, char *at, unsigned long timeout)
+{
+    int                     rv;
+
+    if( !comport || !at )
+    {
+        log_error("Invalid input arguments\n");
+        return -1;
+    }
+
+    rv=send_atcmd(comport, at, timeout, AT_OKSTR, AT_ERRSTR, NULL, 0);
+    if( ATRES_EXPECT == rv )
+    {
+        return 0;
+    }
+    else
+    {
+        return -2;
+    }
+}
+
+
+/*
+ *  Description: Send AT command which will reply by a value directly in a single line, such as AT+CGMM:
+ *                  Reply:   \r\nEC20F\r\nOK\r\n
+ *
+ * Return Value: 0: OK     -X: Failure
+ */
+int send_atcmd_check_value(comport_t *comport, char *at, unsigned long timeout, char *reply, int size)
+{
+    int                     rv, len;
+    char                    buf[ATCMD_REPLY_LEN];
+    char                   *ptr_start = buf;
+    char                   *ptr_end;
+
+    if( !comport || !at || !reply || size<=0 )
+    {
+        log_error("Invalid input arguments\n");
+        return -1;
+    }
+
+    rv = send_atcmd(comport, at, timeout, AT_OKSTR, AT_ERRSTR, buf, ATCMD_REPLY_LEN);
+    if( rv <= 0 )
+    {
+        return -2;
+    }
+
+    /* Skip the echo back command line */
+    if( !strncmp(buf, at, strlen(at)) )
+    {
+        ptr_start=strchr(buf, '\n');
+        if( !ptr_start )
+        {
+            log_error("reply message got wrong\n");
+            return -3;
+        }
+
+        ptr_start++;   /* skip '\n'  */
+    }
+
+    /* find end reply string "\r\nOK\r\n"  */
+    ptr_end = strstr(ptr_start, AT_OKSTR);
+    if( ptr_end )
+    {
+        len = ptr_end - ptr_start;
+    }
+    else
+    {
+        len = strlen(buf) - (ptr_start-buf);
+    }
+
+    memset(reply, 0, size);
+
+    len = len>size ? size : len;
+    memcpy(reply, ptr_start, len);
+
+    return 0;
+}
+
+/*
+ *  Description: Parser the $value from $key like "xxx: " line, such as AT+CSQ:
+ *                  Reply:   \r\n+CSQ: 26,99\r\nOK\r\n
+ *
+ * Return Value: 0: OK     -X: Failure
+ */
+int parser_request_value(char *buf, char *key, char *value, int size)
+{
+    char                   *ptr;
+    int                    i = 0;
+
+    if( !buf || !key || !value || size<=0 )
+    {
+        log_error("Invalid input arguments\n");
+        return -1;
+    }
+
+    ptr = strstr(buf, key);
+    if( !ptr )
+    {
+        log_debug("Not found key \"%s\" in %s\n", key, buf);
+        return -2;
+    }
+
+    ptr=strchr(ptr, ':');  /* found ':' before the value */
+    if( !ptr )
+    {
+        log_debug("Not found ':' before value\n");
+        return -3;
+    }
+    ptr++;   /* skip ':'  */
+
+    if( *ptr == '\"' ) /* skip " */
+        ptr++;
+
+    memset(value, 0, size);
+    while(*ptr!='\r' && i<size-1)
+    {
+        if( !isspace(*ptr) && *ptr!='\"') /* skip space,\r,\n ...  */
+            value[i++] = *ptr;
+        ptr ++;
+    }
+
+    ptr++; /* skip  */
+
+    return 0;
+}
+
+/*
+ *  Description: Send AT command which will reply by the value  with a prefix "+CMD: " line, such as AT+CSQ:
+ *                  Reply:   \r\n+CSQ: 26,99\r\nOK\r\n
+ *
+ * Return Value: 0: OK     -X: Failure
+ */
+int send_atcmd_check_request(comport_t *comport, char *at, unsigned long timeout, char *reply, int size)
+{
+    int                     i = 0;
+    int                     rv;
+    char                    buf[ATCMD_REPLY_LEN];
+    char                   *ptr;
+
+    if( !comport || !at || !reply || size<=0 )
+    {
+        log_error("Invalid input arguments\n");
+        return -1;
+    }
+
+    rv = send_atcmd(comport, at, timeout, AT_OKSTR, AT_ERRSTR, buf, ATCMD_REPLY_LEN);
+    if( rv <= 0 )
+    {
+        return -2;
+    }
+
+    ptr=strchr(buf, '+');  /* found '+' before the value */
+    if( !ptr )
+    {
+        log_error("reply message got wrong\n");
+        return -3;
+    }
+    ptr++;   /* skip '+'  */
+
+
+    ptr=strchr(buf, ':');  /* found ':' before the value */
+    if( !ptr )
+    {
+        log_error("reply message got wrong\n");
+        return -3;
+    }
+    ptr++;   /* skip ':'  */
+
+    if( *ptr == '\"' ) /* skip " */
+        ptr++;
+
+    memset(reply, 0, size);
+    while(*ptr!='\r' && i<size-1)
+    {
+        if( !isspace(*ptr) && *ptr!='\"') /* skip space,\r,\n ...  */
+            reply[i++] = *ptr;
+        ptr ++;
+    }
+
+    return 0;
+}
+
diff --git a/booster/atcmd.h b/booster/atcmd.h
new file mode 100644
index 0000000..0d7853e
--- /dev/null
+++ b/booster/atcmd.h
@@ -0,0 +1,93 @@
+/*********************************************************************************
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
+ *                  All rights reserved.
+ *
+ *       Filename:  atcmd.h
+ *    Description:  This file is lowlevel AT command send and parser API functions
+ *
+ *        Version:  1.0.0(11/08/23)
+ *         Author:  Guo Wenxue <guowenxue@gmail.com>
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
+ *
+ ********************************************************************************/
+
+
+#ifndef  _ATCMD_H_
+#define  _ATCMD_H_
+
+#include "comport.h"
+
+/* AT command common reply message max length  */
+#define ATCMD_REPLY_LEN          1024 /* Max AT command reply message length */
+#define ATCMD_LEN                256 /* Max AT command length */
+
+/* AT command reply message got expect or error string */
+#define AT_OKSTR                 "\r\nOK\r\n"     /* expect string always be OK */
+#define AT_ERRSTR                "\r\nERROR\r\n"  /* error string always be ERROR */
+
+/* AT command should be end by $AT_SUFFIX */
+#define AT_SUFFIX                "\r\n"
+
+/* send_atcmd)( return value status */
+enum
+{
+    ATRES_ERROR,    /* AT command reply got error string, such as "ERROR\r\n" */
+    ATRES_EXPECT,   /* AT command reply got expect string, such as "OK\r\n" */
+    ATRES_TIMEOUT,  /* AT command not get error/expect string, receive util timeout */
+};
+
+/*  Description: this function used to send an AT command from serial port and wait for reply message from
+ *               the communication module, and it will return once get expet/error string or timeout.
+ *
+ *    Arugments:
+ *         $comport: the serial port which connected to GPRS/3G/4G/NB-IoT/WiFi/BLE/Zigbee/LoRa...
+ *              $at: the AT command need to be sent, without "\r\n"
+ *         $timeout: wait for module reply for AT command timeout value, unit micro seconds(ms)
+ *          $exepct: the expect string reply from communication module
+ *           $error: the error string reply from communication module
+ *           $reply: the module reply message output buffer
+ *            $size: the output buffer ($reply) size
+ *
+ * Return value: <0: Function error   0: Got error string   1: Got expect string 2: Receive util timeout
+ *
+ */
+int send_atcmd(comport_t *comport, char *at, unsigned long timeout, char *expect, char *error, char *reply, int size);
+
+
+/*
+ *  Description: Send AT command which will only reply by "OK" or "ERROR", such as AT:
+ *                  Reply:   \r\nOK\r\n
+ *
+ * Return Value:  0: OK     -X: ERROR
+ */
+int send_atcmd_check_ok(comport_t *comport, char *at, unsigned long timeout);
+
+
+/*
+ *  Description: Send AT command which will reply by a value directly in a single line, such as AT+CGMM:
+ *                  Reply:   \r\nEC20F\r\nOK\r\n
+ *
+ * Return Value:  0: OK     -X: ERROR
+ */
+int send_atcmd_check_value(comport_t *comport, char *at, unsigned long timeout, char *reply, int size);
+
+/*
+ *  Description: Parser the $value from $key like "xxx: " line, such as AT+CSQ:
+ *                  Reply:   \r\n+CSQ: 26,99\r\nOK\r\n
+ *
+ * Return Value: 0: OK     -X: Failure
+ */
+int parser_request_value(char *buf, char *key, char *value, int size);
+
+
+/*
+ *  Description: Send AT command which will reply by the value  with a prefix "+CMD: " line, such as AT+CSQ:
+ *                  Reply:   \r\n+CSQ: 26,99\r\nOK\r\n
+ *
+ * Return Value:  0: OK     -X: ERROR
+ */
+int send_atcmd_check_request(comport_t *comport, char *at, unsigned long timeout, char *repy, int size);
+
+
+#endif   /* ----- #ifndef _ATCMD_H_  ----- */
+
diff --git a/booster/comport.c b/booster/comport.c
index f6d9d10..4a31278 100644
--- a/booster/comport.c
+++ b/booster/comport.c
@@ -1,25 +1,34 @@
 /*********************************************************************************
- *      Copyright:  (C) 2018 Guo Wenxue <guowenxue@gmail.com>
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
  *                  All rights reserved.
  *
- *       Filename:  cp_comport.c
- *    Description:  It's the comport operate library.
+ *       Filename:  comport.c
+ *    Description:  This file is linux comport common API functions
  *
- *        Version:  2.0.0(10/17/2018~)
+ *        Version:  1.0.0(11/08/23)
  *         Author:  Guo Wenxue <guowenxue@gmail.com>
- *      ChangeLog:  1, Release initial version on "10/17/2018 03:33:25 PM"
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
  *
  ********************************************************************************/
 
-#include    "comport.h"
+#include "comport.h"
 
-static void set_settings(comport_t *comport, const char *settings);
+#define CONFIG_PRINT_LOGGER
+//#define CONFIG_PRINT_STDOUT
 
-#ifdef  COM_DEBUG
-void disp_settings(comport_t *comport);
+#if ( defined CONFIG_PRINT_LOGGER )
+#include "logger.h"
+#define dbg_print(format,args...) log_error(format, ##args)
+
+#elif ( defined CONFIG_PRINT_STDOUT )
+#define dbg_print(format,args...) printf(format, ##args)
+
+#else
+#define dbg_print(format,args...) do{} while(0);
 #endif
 
 
+static inline void set_settings(comport_t * comport, const char *settings);
 
 /*
  *  description: Open the serial port
@@ -40,64 +49,58 @@
 
     if( !comport || !devname )
     {
-        COM_PRINT("%s() get invalid input arguments.\n", __FUNCTION__);
+        dbg_print("invalid input arugments\n");
         return -1;
     }
 
+    /*+-----------------------+
+     *| open the serial port  |
+     *+-----------------------+*/
+
     memset(comport, 0, sizeof(*comport));
-    strncpy(comport->devname, devname, DEVNAME_LEN);
+    strncpy(comport->devname, devname, sizeof(comport->devname));
     comport->baudrate = baudrate;
     comport->fd = -1;
-    comport->frag_size = 128;
-
+    comport->fragsize = CONFIG_DEF_FRAGSIZE;
     set_settings(comport, settings);
-#ifdef  COM_DEBUG
-    disp_settings(comport);
-#endif
 
-    /* Not a TTY device */
-    if( !strstr(comport->devname, "tty"))
+    if( !strstr(comport->devname, "tty") )
     {
-        COM_PRINT("Open Not tty device \"%s\"\n", comport->devname);
+        dbg_print("comport device \"%s\" is not tty device\n", comport->devname);
         return -2;
     }
 
     comport->fd = open(comport->devname, O_RDWR | O_NOCTTY | O_NONBLOCK);
-    if (comport->fd < 0)
+    if( comport->fd<0 )
     {
-        rv = -3;
-        goto CleanUp;
+        dbg_print("comport open \"%s\" failed:%s\n", comport->devname, strerror(errno));
+        return -3;
     }
-    COM_PRINT("Open device \"%s\"\n", comport->devname);
 
-    if ((-1 != (old_flags = fcntl(comport->fd, F_GETFL, 0)))
-            && (-1 != fcntl(comport->fd, F_SETFL, old_flags & ~O_NONBLOCK)))
+    if(   (-1 != (old_flags = fcntl(comport->fd, F_GETFL, 0)))
+       && (-1 != fcntl(comport->fd, F_SETFL, old_flags & ~O_NONBLOCK)) )
     {
         /* Flush input and output */
-        if (-1 == tcflush(comport->fd, TCIOFLUSH))
-        {
-            rv = -4;
-            goto CleanUp;
-        }
+        tcflush(comport->fd, TCIOFLUSH);
     }
     else
     {
-        rv = -5;
+        rv = -4;
         goto CleanUp;
     }
 
     if (0 != tcgetattr(comport->fd, &old_cfg))
     {
-        rv = -6;          // Failed to get Com settings
+        rv = -5;
         goto CleanUp;
     }
 
+
+    /*+-----------------------+
+     *| configure serial port |
+     *+-----------------------+*/
+
     memset(&new_cfg, 0, sizeof(new_cfg));
-
-    /*=====================================*/
-    /*       Configure comport         */
-    /*=====================================*/
-
     new_cfg.c_cflag &= ~CSIZE;
     new_cfg.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
     new_cfg.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
@@ -123,11 +126,11 @@
     /* Set the parity */
     switch (comport->parity)
     {
-        case 0x01:               // Odd
+        case 0x01:    /* Odd */
             new_cfg.c_cflag |= (PARENB | PARODD);
             new_cfg.c_cflag |= (INPCK | ISTRIP);
             break;
-        case 0x02:               // Even
+        case 0x02:    /* Even */
             new_cfg.c_cflag |= PARENB;
             new_cfg.c_cflag &= ~PARODD;;
             new_cfg.c_cflag |= (INPCK | ISTRIP);
@@ -153,16 +156,16 @@
     /* Set flow control */
     switch (comport->flowctrl)
     {
-        case 1:                  // Software control
+        case 1:       /* Software control */
         case 3:
             new_cfg.c_cflag &= ~(CRTSCTS);
             new_cfg.c_iflag |= (IXON | IXOFF);
             break;
-        case 2:                  // Hardware control
-            new_cfg.c_cflag |= CRTSCTS;   // Also called CRTSCTS
+        case 2:       /* Hardware control */
+            new_cfg.c_cflag |= CRTSCTS;
             new_cfg.c_iflag &= ~(IXON | IXOFF);
             break;
-        default:                 // NONE
+        default:      /* NONE */
             new_cfg.c_cflag &= ~(CRTSCTS);
             new_cfg.c_iflag &= ~(IXON | IXOFF);
             break;
@@ -171,53 +174,54 @@
     /* Set baudrate */
     switch (comport->baudrate)
     {
-		/*  Upper is not POSIX(bits/termios-baud.h) */
-		case 4000000:
-			tmp = B4000000;
-			break;
-		case 3500000:
-			tmp = B3500000;
-			break;
-		case 3000000:
-			tmp = B3000000;
-			break;
-		case 2500000:
-			tmp = B2500000;
-			break;
-		case 2000000:
-			tmp = B2000000;
-			break;
-		case 1500000:
-			tmp = B1500000;
-			break;
-		case 1152000:
-			tmp = B1152000;
-			break;
-		case 1000000:
-			tmp = B1000000;
-			break;
-		case 921600:
-			tmp = B921600;
-			break;
-		case 576000:
-			tmp = B576000;
-			break;
-		case 500000:
-			tmp = B500000;
-			break;
-		case 460800:
-			tmp = B460800;
-			break;
-		case 230400:
-			tmp = B230400;
-			break;
+        /* Upper is not POSIX(bits/termios-baud.h) */
+        case 4000000:
+            tmp = B4000000;
+            break;
+        case 3500000:
+            tmp = B3500000;
+            break;
+        case 3000000:
+            tmp = B3000000;
+            break;
+        case 2500000:
+            tmp = B2500000;
+            break;
+        case 2000000:
+            tmp = B2000000;
+            break;
+        case 1500000:
+            tmp = B1500000;
+            break;
+        case 1152000:
+            tmp = B1152000;
+            break;
+        case 1000000:
+            tmp = B1000000;
+            break;
+        case 921600:
+            tmp = B921600;
+            break;
+        case 576000:
+            tmp = B576000;
+            break;
+        case 500000:
+            tmp = B500000;
+            break;
+        case 460800:
+            tmp = B460800;
+            break;
+        case 230400:
+            tmp = B230400;
+            break;
         case 115200:
             tmp = B115200;
             break;
         case 57600:
             tmp = B57600;
             break;
-		/* Below is POSIX(bits/termios.h) */
+
+        /* Below is POSIX(bits/termios.h) */
         case 38400:
             tmp = B38400;
             break;
@@ -276,19 +280,15 @@
     tcflush(comport->fd, TCIFLUSH);
     if (0 != tcsetattr(comport->fd, TCSANOW, &new_cfg))
     {
-        rv = -7;          // Failed to set device com port settings
+        rv = -6;          // Failed to set device com port settings
         goto CleanUp;
     }
-
-    COM_PRINT("Connected device \"%s\".\n", comport->devname);
 
     rv = comport->fd;
 
 CleanUp:
-    COM_PRINT("Open device \"%s\" %s.\n", comport->devname, rv>0 ? "successfully" : "failure");
     return rv;
 }
-
 
 
 /*
@@ -300,13 +300,12 @@
 {
     if( !comport )
     {
-        COM_PRINT("%s() get invalid input arguments.\n", __FUNCTION__);
+        dbg_print("invalid input arugments\n");
         return ;
     }
 
     if ( comport->fd >= 0 )
     {
-        COM_PRINT("Close device \"%s\"\n", comport->devname);
         close(comport->fd);
     }
 
@@ -315,165 +314,127 @@
 }
 
 /*
- *  description: write $send_bytes bytes data from $buf to $comport
+ *  description: write $data_bytes $data to $comport
  * return value: 0: write ok  <0: write failure
  */
 
-int comport_send(comport_t *comport, char *buf, int send_bytes)
+int comport_send(comport_t *comport, char *data, int data_bytes)
 {
+    char                       *ptr;
+    int                         left, bytes = 0;
     int                         rv = 0;
-    char                       *ptr, left_bytes;
-    int                         send = 0;
 
-    if ( !comport || !buf || send_bytes<=0 )
+    if( !comport || !data || data_bytes<=0 )
     {
-        COM_PRINT("%s() get invalid input arguments.\n", __FUNCTION__);
-        rv = -1;
-        goto CleanUp;
+        dbg_print("invalid input arugments\n");
+        return -1;
     }
 
-    if ( comport->fd < 0 )    // Comport not opened ?
+    if( comport->fd < 0 )
     {
-        rv = -3;
-        COM_PRINT("Serail not connected.\n");
-        goto CleanUp;
+        dbg_print("Serail port not opened\n");
+        return -2;
     }
 
-    //printf("Send %s with %d bytes.\n", buf, send_bytes);
+    ptr = data;
+    left = data_bytes;
 
-
-    left_bytes = send_bytes;
-    ptr = buf;
-
-    while( left_bytes > 0 )
+    while( left > 0 )
     {
         /* Large data, then slice them to frag and send */
-	send = left_bytes>comport->frag_size ? comport->frag_size : left_bytes;
-	
-	rv = write(comport->fd, ptr, send);
-       	if( rv<0 )
-       	{
-	       	rv = -4;
-	       	goto CleanUp;
-       	}
-	
-	left_bytes -= rv;
-	ptr += rv;
+        bytes = left>comport->fragsize ? comport->fragsize : left;
+
+        rv = write(comport->fd, ptr, bytes);
+        if( rv<0 )
+        {
+            rv = -3;
+            break;
+        }
+
+        left -= rv;
+        ptr += rv;
     }
 
-    rv = 0;
-
-CleanUp:
     return rv;
 }
 
 
 /*
- *  description: read data from $comport in $timeout <ms> to $buf no more than $bufsize bytes
+ *  description: read data from $comport in $timeout <ms> to $buf no more than $buf_size bytes
  * return value: the actual read data bytes, <0: read failure
  */
 
-int comport_recv(comport_t *comport, char *buf, int bufsize, unsigned long timeout)
+int comport_recv(comport_t *comport, char *buf, int buf_size, unsigned long timeout)
 {
-    int                         rv = 0;
-    int                         iRet;
     fd_set                      rdfds, exfds;
-    struct timeval              stTime;
+    struct timeval              to, *to_ptr = NULL;
+    int                         ret, rv = 0;
+    int                         bytes = 0;
 
-    if ( !comport || !buf || bufsize<=0 )
+    if ( !comport || !buf || buf_size<=0 )
     {
-        COM_PRINT("%s() get invalid input arguments.\n", __FUNCTION__);
-        rv = -1;
-        goto CleanUp;
+        dbg_print("invalid input arugments\n");
+        return -1;
     }
 
     if ( comport->fd < 0 )
     {
-        COM_PRINT("%s() comport not connected.\n", __FUNCTION__);
-        rv = -2;
-        goto CleanUp;
+        dbg_print("Serail port not opened\n");
+        return -2;
     }
+
+    memset(buf, 0, buf_size);
 
     FD_ZERO(&rdfds);
     FD_ZERO(&exfds);
     FD_SET(comport->fd, &rdfds);
     FD_SET(comport->fd, &exfds);
 
-    if (0xFFFFFFFF != timeout)
+    if( TIMEOUT_NONE != timeout )
     {
-        stTime.tv_sec = (time_t) (timeout / 1000);
-        stTime.tv_usec = (long)(1000 * (timeout % 1000));
-
-        iRet = select(comport->fd + 1, &rdfds, 0, &exfds, &stTime);
-        if (0 == iRet)
-        {
-            rv = 0;
-            goto CleanUp;
-        }
-        else if (0 < iRet)
-        {
-            if (0 != FD_ISSET(comport->fd, &exfds))
-            {
-                rv = -6;
-                COM_PRINT("Error checking recv status.\n");
-                goto CleanUp;
-            }
-
-            if (0 == FD_ISSET(comport->fd, &rdfds))
-            {
-                rv = 0;
-                COM_PRINT("No incoming data.\n");
-                goto CleanUp;
-            }
-        }
-        else
-        {
-            if (EINTR == errno)
-            {
-                COM_PRINT("catch interrupt signal.\n");
-                rv = 0;
-            }
-            else
-            {
-                COM_PRINT("Check recv status failure.\n");
-                rv = -7;
-            }
-
-            goto CleanUp;
-        }
+        to.tv_sec = (time_t) (timeout / 1000);
+        to.tv_usec = (long)(1000 * (timeout % 1000));
+        to_ptr = &to;
     }
 
-    usleep(10000); /* sleep for 10ms for data incoming */
-
-    // Get data from Com port
-    iRet = read(comport->fd, buf, bufsize);
-    if (0 > iRet)
+    while( 1 )
     {
-        if (EINTR == errno)
-            rv = 0;      // Interrupted signal catched
-        else
-            rv = -3;      // Failed to read Com port
-
-        goto CleanUp;
-    }
-
-#if 0
-    {
-        int   i=0;
-        printf("Receive %d bytes data: \n", iRet);
-        for(i=0; i<iRet; i++)
+        /* check got data arrive or not */
+        ret = select(comport->fd+1, &rdfds, 0, &exfds, to_ptr);
+        if( ret<0 )
         {
-            printf("0x%02x ", buf[i]);
+            /* EINTR means catch interrupt signal */
+            dbg_print("comport select() failed: %s\n", strerror(errno));
+            rv = EINTR==errno ? 0 : -3;
+            break;
         }
-        printf("\n");
+        else if( 0 == ret ) /* timeout */
+        {
+            break;
+        }
+
+        /* read data from comport */
+        ret = read(comport->fd, buf+bytes, buf_size-bytes);
+        if(ret <= 0)
+        {
+            dbg_print("comport read() failed: %s\n", strerror(errno));
+            break;
+        }
+
+        bytes += ret;
+        if( bytes >= buf_size )
+            break;
+
+        /* try to read data in 1ms again, if no data arrive it will break */
+        to.tv_sec = 0;
+        to.tv_usec = 10000;
+        to_ptr = &to;
     }
-#endif
 
-    rv = iRet;
+    if( !rv )
+        rv = bytes;
 
-CleanUp:
     return rv;
-
 }
 
 
@@ -484,11 +445,11 @@
  *  Output Args: NONE
  * Return Value: NONE
  *************************************************************************************/
-void set_settings(comport_t * comport, const char *settings)
+static inline void set_settings(comport_t * comport, const char *settings)
 {
     if( !settings || !comport )
     {
-        COM_PRINT("%s() get invalid input arguments.\n", __FUNCTION__);
+        dbg_print("invalid input arugments\n");
         return ;
     }
 
@@ -556,50 +517,4 @@
             break;
     }
 }
-
-
-
-#ifdef  COM_DEBUG
-void disp_settings(comport_t *comport)
-{
-    COM_PRINT("Device:\t\t\t\"%s\"\n", comport->devname);
-    COM_PRINT("Baudrate:\t\t%ld\n", comport->baudrate);
-    COM_PRINT("DataBit:\t\t\'%d\'\n", comport->databit);
-
-    switch (comport->parity)
-    {
-        case 0:
-            COM_PRINT("Parity:\t\t\t\'N\'\n");
-            break;
-        case 1:
-            COM_PRINT("Parity:\t\t\t\'O\'\n");
-            break;
-        case 2:
-            COM_PRINT("Parity:\t\t\t\'E\'\n");
-            break;
-        case 3:
-            COM_PRINT("Parity:\t\t\t\'S\'\n");
-            break;
-    }
-    COM_PRINT("StopBit:\t\t\'%ld\'\n", (long int)comport->stopbit);
-    switch (comport->flowctrl)
-    {
-        case 0:
-            COM_PRINT("FlowCtrl:\t\t\'N\'\n");
-            break;
-        case 1:
-            COM_PRINT("FlowCtrl:\t\t\'S\'\n");
-            break;
-        case 2:
-            COM_PRINT("FlowCtrl:\t\t\'H\'\n");
-            break;
-        case 3:
-            COM_PRINT("FlowCtrl:\t\t\'B\'\n");
-            break;
-    }
-    COM_PRINT("\n");
-    return;
-}
-#endif
-
 
diff --git a/booster/comport.h b/booster/comport.h
index 755e02e..2754d43 100644
--- a/booster/comport.h
+++ b/booster/comport.h
@@ -1,17 +1,18 @@
 /*********************************************************************************
- *      Copyright:  (C) 2018 LingYun IoT System Studio
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
  *                  All rights reserved.
  *
- *       Filename:  comport.h
- *    Description:  This head file is for the common TTY/Serial port operator library
+ *       Filename:  comport.c
+ *    Description:  This file is linux comport common API functions
  *
- *        Version:  1.0.0(10/17/2018~)
+ *        Version:  1.0.0(11/08/23)
  *         Author:  Guo Wenxue <guowenxue@gmail.com>
- *      ChangeLog:  1, Release initial version on "10/17/2018 03:33:25 PM"
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
  *
  ********************************************************************************/
-#ifndef  __COMPORT_H_
-#define  __COMPORT_H_
+
+#ifndef  _COMPORT_H_
+#define  _COMPORT_H_
 
 #include  <stdio.h>
 #include  <stdlib.h>
@@ -27,36 +28,25 @@
 #include  <sys/stat.h>
 #include  <sys/select.h>
 
-
-#ifndef DEVNAME_LEN
-#define DEVNAME_LEN          32
-#endif
-
-//#define COM_DEBUG
-#ifdef  COM_DEBUG
-#define COM_PRINT(format,args...) printf(format, ##args)
-#else
-#define COM_PRINT(format,args...) do{} while(0);
-#endif
-
+#define CONFIG_DEF_FRAGSIZE    128
 typedef struct comport_s
 {
-    char           devname[DEVNAME_LEN];
+    char           devname[32];
     unsigned char  databit, parity, stopbit, flowctrl;
     long           baudrate;
 
     int            fd;
-    int            frag_size;
+    int            fragsize; /* frag size when do large data send */
 } comport_t;
 
 
 /*
- *  description: Open the comport specified by $comport
+ *  description: Open the comport and returned by $comport
  *
- *   input args: $comport:  corresponding comport point
+ *   input args: $comport:  corresponding comport handler
  *               $devname:  The comport device name path, such as '/dev/ttyS3'
- *               $baudrate:  The baudrate, such as 115200
- *               $settings:  The databit,parity,stopbit,flowctrl settings, such as '8N1N'
+ *               $baudrate: The baudrate, such as 115200
+ *               $settings: The databit,parity,stopbit,flowctrl settings, such as '8N1N'
  *
  * return value: The comport opened file description, <0 means failure
  */
@@ -64,21 +54,21 @@
 
 /*
  *  description: close comport
- *   input args: $comport:  corresponding comport point
+ *   input args: $comport:  corresponding comport handler
  */
 extern void comport_close(comport_t *comport);
 
 /*
- *  description: write $send_bytes bytes data from $buf to $comport
+ *  description: write $bytes $data to $comport
  * return value: 0: write ok  <0: write failure
  */
-extern int  comport_send(comport_t *comport, char *buf, int send_bytes);
+extern int  comport_send(comport_t *comport, char *data, int data_bytes);
 
 /*
- *  description: read data from $comport in $timeout <ms> to $buf no more than $bufsize bytes
+ *  description: read data from $comport in $timeout <ms> to $buf no more than $buf_size bytes
  * return value: the actual read data bytes, <0: read failure
  */
-extern int  comport_recv(comport_t *comport, char *buf, int bufsize, unsigned long timeout);
-
+#define TIMEOUT_NONE           0
+extern int  comport_recv(comport_t *comport, char *buf, int buf_size, unsigned long timeout);
 
 #endif
diff --git a/booster/dictionary.c b/booster/dictionary.c
index cb7ccd4..0fd5000 100644
--- a/booster/dictionary.c
+++ b/booster/dictionary.c
@@ -3,6 +3,7 @@
    @file    dictionary.c
    @author  N. Devillard
    @brief   Implements a dictionary for string variables.
+   @url     https://github.com/ndevilla/iniparser
 
    This module implements a simple dictionary object, i.e. a list
    of string/string associations. This object is useful to store e.g.
@@ -140,7 +141,7 @@
 /**
   @brief    Create a new dictionary object.
   @param    size    Optional initial size of the dictionary.
-  @return   1 newly allocated dictionary objet.
+  @return   1 newly allocated dictionary object.
 
   This function allocates a new dictionary object of given size and returns
   it. If you do not know in advance (roughly) the number of entries in the
diff --git a/booster/dictionary.h b/booster/dictionary.h
index d04b6ce..87d31d9 100644
--- a/booster/dictionary.h
+++ b/booster/dictionary.h
@@ -4,6 +4,7 @@
    @file    dictionary.h
    @author  N. Devillard
    @brief   Implements a dictionary for string variables.
+   @url     https://github.com/ndevilla/iniparser
 
    This module implements a simple dictionary object, i.e. a list
    of string/string associations. This object is useful to store e.g.
@@ -73,7 +74,7 @@
 /**
   @brief    Create a new dictionary object.
   @param    size    Optional initial size of the dictionary.
-  @return   1 newly allocated dictionary objet.
+  @return   1 newly allocated dictionary object.
 
   This function allocates a new dictionary object of given size and returns
   it. If you do not know in advance (roughly) the number of entries in the
diff --git a/booster/esp32.c b/booster/esp32.c
new file mode 100644
index 0000000..242c4d3
--- /dev/null
+++ b/booster/esp32.c
@@ -0,0 +1,166 @@
+/*********************************************************************************
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
+ *                  All rights reserved.
+ *
+ *       Filename:  esp32.c
+ *    Description:  This file is ESP32 high level logic API functions
+ *
+ *        Version:  1.0.0(11/08/23)
+ *         Author:  Guo Wenxue <guowenxue@gmail.com>
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
+ *
+ ********************************************************************************/
+
+#include "logger.h"
+#include "esp32.h"
+
+int esp32_init_module(comport_t *comport)
+{
+    int             rv;
+    char            version[256] = {0};
+
+    if( !comport )
+        return -1;
+
+    rv = esp32_reset(comport);
+    if( rv < 0)
+    {
+        log_error("Reset ESP32 WiFi module failed: %d\n", rv);
+        return rv;
+    }
+
+    esp32_set_echo(comport, DISABLE);
+
+    esp32_set_sysstore(comport, ENABLE);
+
+    rv = esp32_get_firmware(comport, version, sizeof(version));
+    if( rv < 0)
+    {
+        log_error("Query ESP32 firmware version failed: %d\n", rv);
+        return rv;
+    }
+
+    log_info("ESP32 firmware version:\n%s\n", version);
+
+    return 0;
+}
+
+int esp32_setup_softap(comport_t *comport, char *ssid, char *pwd)
+{
+    esp32_set_wmode(comport, MODE_SOFTAP, ENABLE);
+
+    esp32_set_ipaddr(comport, MODE_SOFTAP, DEF_SOFTAP_IPADDR, DEF_SOFTAP_IPADDR);
+
+    esp32_set_dhcp(comport, MODE_SOFTAP, ENABLE);
+
+    esp32_set_softap(comport, ssid, pwd, 11, MODE_WPA2PSK);
+
+    return 0;
+}
+
+int esp32_join_network(comport_t *comport, char *ssid, char *pwd)
+{
+    int             rv, status = 0;
+    int             times=10;
+    char            buf[128] = {0};
+
+    if( !comport )
+        return -1;
+
+    esp32_join_status(comport, &status, buf);
+    if( 2==status && !strcmp(buf, ssid) )
+    {
+        log_info("ESP32 connected to \"%s\" already\n", ssid);
+        return 0;
+    }
+
+    esp32_set_wmode(comport, MODE_STATION, ENABLE);
+
+    esp32_set_dhcp(comport, MODE_STATION, ENABLE);
+
+    rv = esp32_connect_ap(comport, ssid, pwd);
+    if( rv < 0 )
+    {
+        log_error("connect to AP \"%s\" failed, rv=%d", ssid, rv);
+        return rv;
+    }
+
+    while(times--)
+    {
+        rv = esp32_join_status(comport, &status, buf);
+        if( 2 == status )
+        {
+            log_info("ESP32 connected to \"%s\" already\n", ssid);
+            return 0;
+        }
+        rv = -3;
+    }
+
+    return rv;
+}
+
+
+int esp32_check_network(comport_t *comport)
+{
+    int             rv, times=5;
+    char            ip[IP_LEN] = {0};
+    char            gateway[IP_LEN] = {0};
+
+    memset(ip, 0, sizeof(ip));
+    memset(gateway, 0, sizeof(gateway));
+    rv = esp32_get_ipaddr(comport, MODE_STATION, ip, gateway);
+    if( rv<0 )
+        return rv;
+
+    if( !strlen(ip) || !strlen(gateway) )
+        return -3;
+
+    log_info("IP address: %s, netmask: %s\n", ip, gateway);
+
+    while( times-- )
+    {
+        if( !(rv=esp32_ping(comport, gateway, 5000)) )
+        {
+            rv = 0;
+            break;
+        }
+    }
+
+    return 0;
+}
+
+int esp32_setup_tcp_server(comport_t *comport, int port)
+{
+    int             rv;
+
+    rv = esp32_set_socket_mux(comport, ENABLE);
+    if(rv<0)
+        return rv;
+
+    rv = esp32_set_socket_clients(comport, 2);
+    if(rv<0)
+        return rv;
+
+    rv = esp32_set_tcp_server(comport, port);
+    if(rv<0)
+        return rv;
+
+    rv = esp32_set_socket_timeout(comport, 600);
+    if(rv<0)
+        return rv;
+
+    return 0;
+}
+
+int esp32_setup_tcp_client(comport_t *comport, char *host, int port)
+{
+    int             rv;
+
+    rv = esp32_set_tcp_client(comport, DISABLE, host, port);
+    if(rv<0)
+        return rv;
+
+
+    return 0;
+}
+
diff --git a/booster/esp32.h b/booster/esp32.h
new file mode 100644
index 0000000..1052679
--- /dev/null
+++ b/booster/esp32.h
@@ -0,0 +1,35 @@
+/*********************************************************************************
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
+ *                  All rights reserved.
+ *
+ *       Filename:  esp32.h
+ *    Description:  This file is ESP32 high level logic API functions
+ *
+ *        Version:  1.0.0(11/08/23)
+ *         Author:  Guo Wenxue <guowenxue@gmail.com>
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
+ *
+ ********************************************************************************/
+
+#ifndef  _ESP32_H_
+#define  _ESP32_H_
+
+#include "at-esp32.h"
+
+#define DEF_SOFTAP_IPADDR    "192.168.8.1"
+#define DEF_SOFTAP_SSID      "Router_ESP32"
+#define DEF_SOFTAP_PWD       "12345678"
+
+extern int esp32_init_module(comport_t *comport);
+
+extern int esp32_setup_softap(comport_t *comport, char *ssid, char *pwd);
+
+extern int esp32_join_network(comport_t *comport, char *ssid, char *pwd);
+
+extern int esp32_check_network(comport_t *comport);
+
+extern int esp32_setup_tcp_server(comport_t *comport, int port);
+
+extern int esp32_setup_tcp_client(comport_t *comport, char *host, int port);
+
+#endif   /* ----- #ifndef _ESP32_H_  ----- */
diff --git a/booster/iniparser.c b/booster/iniparser.c
index 8694dd4..3a446e5 100644
--- a/booster/iniparser.c
+++ b/booster/iniparser.c
@@ -1,10 +1,10 @@
 
 /*-------------------------------------------------------------------------*/
 /**
-   @file    iniparser.c v4.1
+   @file    iniparser.c
    @author  N. Devillard
-   @url     https://github.com/ndevilla/iniparser
    @brief   Parser for ini files.
+   @url     https://github.com/ndevilla/iniparser
 */
 /*--------------------------------------------------------------------------*/
 /*---------------------------- Includes ------------------------------------*/
@@ -719,7 +719,7 @@
     char line    [ASCIILINESZ+1] ;
     char section [ASCIILINESZ+1] ;
     char key     [ASCIILINESZ+1] ;
-    char tmp     [(ASCIILINESZ * 2) + 1] ;
+    char tmp     [(ASCIILINESZ * 2) + 2] ;
     char val     [ASCIILINESZ+1] ;
 
     int  last=0 ;
diff --git a/booster/iniparser.h b/booster/iniparser.h
index 1fdfe58..6a137c5 100644
--- a/booster/iniparser.h
+++ b/booster/iniparser.h
@@ -1,10 +1,10 @@
 
 /*-------------------------------------------------------------------------*/
 /**
-   @file    iniparser.h v4.1
+   @file    iniparser.h
    @author  N. Devillard
-   @url     https://github.com/ndevilla/iniparser
    @brief   Parser for ini files.
+   @url     https://github.com/ndevilla/iniparser
 */
 /*--------------------------------------------------------------------------*/
 
diff --git a/booster/linux_list.h b/booster/linux_list.h
index 9ac0720..b927b14 100644
--- a/booster/linux_list.h
+++ b/booster/linux_list.h
@@ -66,18 +66,18 @@
  */
 
 struct list_head {
-	struct list_head *next, *prev;
+    struct list_head *next, *prev;
 };
 
 #define LIST_HEAD_INIT(name) { &(name), &(name) }
 
 #define LIST_HEAD(name) \
-	struct list_head name = LIST_HEAD_INIT(name)
+    struct list_head name = LIST_HEAD_INIT(name)
 
 static inline void INIT_LIST_HEAD(struct list_head *list)
 {
-	list->next = list;
-	list->prev = list;
+    list->next = list;
+    list->prev = list;
 }
 
 /*
@@ -87,13 +87,13 @@
  * the prev/next entries already!
  */
 static inline void __list_add(struct list_head *new,
-			      struct list_head *prev,
-			      struct list_head *next)
+                  struct list_head *prev,
+                  struct list_head *next)
 {
-	next->prev = new;
-	new->next = next;
-	new->prev = prev;
-	prev->next = new;
+    next->prev = new;
+    new->next = next;
+    new->prev = prev;
+    prev->next = new;
 }
 
 /**
@@ -106,7 +106,7 @@
  */
 static inline void list_add(struct list_head *new, struct list_head *head)
 {
-	__list_add(new, head, head->next);
+    __list_add(new, head, head->next);
 }
 
 /**
@@ -119,7 +119,7 @@
  */
 static inline void list_add_tail(struct list_head *new, struct list_head *head)
 {
-	__list_add(new, head->prev, head);
+    __list_add(new, head->prev, head);
 }
 
 /*
@@ -131,8 +131,8 @@
  */
 static inline void __list_del(struct list_head *prev, struct list_head *next)
 {
-	next->prev = prev;
-	prev->next = next;
+    next->prev = prev;
+    prev->next = next;
 }
 
 /**
@@ -143,9 +143,9 @@
  */
 static inline void list_del(struct list_head *entry)
 {
-	__list_del(entry->prev, entry->next);
-	entry->next = LIST_POISON1;
-	entry->prev = LIST_POISON2;
+    __list_del(entry->prev, entry->next);
+    entry->next = LIST_POISON1;
+    entry->prev = LIST_POISON2;
 }
 
 /**
@@ -156,19 +156,19 @@
  * If @old was empty, it will be overwritten.
  */
 static inline void list_replace(struct list_head *old,
-				struct list_head *new)
+                struct list_head *new)
 {
-	new->next = old->next;
-	new->next->prev = new;
-	new->prev = old->prev;
-	new->prev->next = new;
+    new->next = old->next;
+    new->next->prev = new;
+    new->prev = old->prev;
+    new->prev->next = new;
 }
 
 static inline void list_replace_init(struct list_head *old,
-					struct list_head *new)
+                    struct list_head *new)
 {
-	list_replace(old, new);
-	INIT_LIST_HEAD(old);
+    list_replace(old, new);
+    INIT_LIST_HEAD(old);
 }
 
 /**
@@ -177,8 +177,8 @@
  */
 static inline void list_del_init(struct list_head *entry)
 {
-	__list_del(entry->prev, entry->next);
-	INIT_LIST_HEAD(entry);
+    __list_del(entry->prev, entry->next);
+    INIT_LIST_HEAD(entry);
 }
 
 /**
@@ -188,8 +188,8 @@
  */
 static inline void list_move(struct list_head *list, struct list_head *head)
 {
-	__list_del(list->prev, list->next);
-	list_add(list, head);
+    __list_del(list->prev, list->next);
+    list_add(list, head);
 }
 
 /**
@@ -198,10 +198,10 @@
  * @head: the head that will follow our entry
  */
 static inline void list_move_tail(struct list_head *list,
-				  struct list_head *head)
+                  struct list_head *head)
 {
-	__list_del(list->prev, list->next);
-	list_add_tail(list, head);
+    __list_del(list->prev, list->next);
+    list_add_tail(list, head);
 }
 
 /**
@@ -210,9 +210,9 @@
  * @head: the head of the list
  */
 static inline int list_is_last(const struct list_head *list,
-				const struct list_head *head)
+                const struct list_head *head)
 {
-	return list->next == head;
+    return list->next == head;
 }
 
 /**
@@ -221,7 +221,7 @@
  */
 static inline int list_empty(const struct list_head *head)
 {
-	return head->next == head;
+    return head->next == head;
 }
 
 /**
@@ -239,8 +239,8 @@
  */
 static inline int list_empty_careful(const struct list_head *head)
 {
-	struct list_head *next = head->next;
-	return (next == head) && (next == head->prev);
+    struct list_head *next = head->next;
+    return (next == head) && (next == head->prev);
 }
 
 /**
@@ -249,19 +249,19 @@
  */
 static inline int list_is_singular(const struct list_head *head)
 {
-	return !list_empty(head) && (head->next == head->prev);
+    return !list_empty(head) && (head->next == head->prev);
 }
 
 static inline void __list_cut_position(struct list_head *list,
-		struct list_head *head, struct list_head *entry)
+        struct list_head *head, struct list_head *entry)
 {
-	struct list_head *new_first = entry->next;
-	list->next = head->next;
-	list->next->prev = list;
-	list->prev = entry;
-	entry->next = list;
-	head->next = new_first;
-	new_first->prev = head;
+    struct list_head *new_first = entry->next;
+    list->next = head->next;
+    list->next->prev = list;
+    list->prev = entry;
+    entry->next = list;
+    head->next = new_first;
+    new_first->prev = head;
 }
 
 /**
@@ -269,7 +269,7 @@
  * @list: a new list to add all removed entries
  * @head: a list with entries
  * @entry: an entry within head, could be the head itself
- *	and if so we won't cut the list
+ *  and if so we won't cut the list
  *
  * This helper moves the initial part of @head, up to and
  * including @entry, from @head to @list. You should
@@ -279,31 +279,31 @@
  *
  */
 static inline void list_cut_position(struct list_head *list,
-		struct list_head *head, struct list_head *entry)
+        struct list_head *head, struct list_head *entry)
 {
-	if (list_empty(head))
-		return;
-	if (list_is_singular(head) &&
-		(head->next != entry && head != entry))
-		return;
-	if (entry == head)
-		INIT_LIST_HEAD(list);
-	else
-		__list_cut_position(list, head, entry);
+    if (list_empty(head))
+        return;
+    if (list_is_singular(head) &&
+        (head->next != entry && head != entry))
+        return;
+    if (entry == head)
+        INIT_LIST_HEAD(list);
+    else
+        __list_cut_position(list, head, entry);
 }
 
 static inline void __list_splice(const struct list_head *list,
-				 struct list_head *prev,
-				 struct list_head *next)
+                 struct list_head *prev,
+                 struct list_head *next)
 {
-	struct list_head *first = list->next;
-	struct list_head *last = list->prev;
+    struct list_head *first = list->next;
+    struct list_head *last = list->prev;
 
-	first->prev = prev;
-	prev->next = first;
+    first->prev = prev;
+    prev->next = first;
 
-	last->next = next;
-	next->prev = last;
+    last->next = next;
+    next->prev = last;
 }
 
 /**
@@ -312,10 +312,10 @@
  * @head: the place to add it in the first list.
  */
 static inline void list_splice(const struct list_head *list,
-				struct list_head *head)
+                struct list_head *head)
 {
-	if (!list_empty(list))
-		__list_splice(list, head, head->next);
+    if (!list_empty(list))
+        __list_splice(list, head, head->next);
 }
 
 /**
@@ -324,10 +324,10 @@
  * @head: the place to add it in the first list.
  */
 static inline void list_splice_tail(struct list_head *list,
-				struct list_head *head)
+                struct list_head *head)
 {
-	if (!list_empty(list))
-		__list_splice(list, head->prev, head);
+    if (!list_empty(list))
+        __list_splice(list, head->prev, head);
 }
 
 /**
@@ -338,12 +338,12 @@
  * The list at @list is reinitialised
  */
 static inline void list_splice_init(struct list_head *list,
-				    struct list_head *head)
+                    struct list_head *head)
 {
-	if (!list_empty(list)) {
-		__list_splice(list, head, head->next);
-		INIT_LIST_HEAD(list);
-	}
+    if (!list_empty(list)) {
+        __list_splice(list, head, head->next);
+        INIT_LIST_HEAD(list);
+    }
 }
 
 /**
@@ -355,47 +355,47 @@
  * The list at @list is reinitialised
  */
 static inline void list_splice_tail_init(struct list_head *list,
-					 struct list_head *head)
+                     struct list_head *head)
 {
-	if (!list_empty(list)) {
-		__list_splice(list, head->prev, head);
-		INIT_LIST_HEAD(list);
-	}
+    if (!list_empty(list)) {
+        __list_splice(list, head->prev, head);
+        INIT_LIST_HEAD(list);
+    }
 }
 
 /**
  * list_entry - get the struct for this entry
- * @ptr:	the &struct list_head pointer.
- * @type:	the type of the struct this is embedded in.
- * @member:	the name of the list_struct within the struct.
+ * @ptr:    the &struct list_head pointer.
+ * @type:   the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
  */
 #define list_entry(ptr, type, member) \
-	container_of(ptr, type, member)
+    container_of(ptr, type, member)
 
 /**
  * list_first_entry - get the first element from a list
- * @ptr:	the list head to take the element from.
- * @type:	the type of the struct this is embedded in.
- * @member:	the name of the list_struct within the struct.
+ * @ptr:    the list head to take the element from.
+ * @type:   the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
  *
  * Note, that list is expected to be not empty.
  */
 #define list_first_entry(ptr, type, member) \
-	list_entry((ptr)->next, type, member)
+    list_entry((ptr)->next, type, member)
 
 /**
- * list_for_each	-	iterate over a list
- * @pos:	the &struct list_head to use as a loop cursor.
- * @head:	the head for your list.
+ * list_for_each    -   iterate over a list
+ * @pos:    the &struct list_head to use as a loop cursor.
+ * @head:   the head for your list.
  */
 #define list_for_each(pos, head) \
-	for (pos = (head)->next; prefetch(pos->next), pos != (head); \
-		pos = pos->next)
+    for (pos = (head)->next; prefetch(pos->next), pos != (head); \
+        pos = pos->next)
 
 /**
- * __list_for_each	-	iterate over a list
- * @pos:	the &struct list_head to use as a loop cursor.
- * @head:	the head for your list.
+ * __list_for_each  -   iterate over a list
+ * @pos:    the &struct list_head to use as a loop cursor.
+ * @head:   the head for your list.
  *
  * This variant differs from list_for_each() in that it's the
  * simplest possible list iteration code, no prefetching is done.
@@ -403,170 +403,170 @@
  * or 1 entry) most of the time.
  */
 #define __list_for_each(pos, head) \
-	for (pos = (head)->next; pos != (head); pos = pos->next)
+    for (pos = (head)->next; pos != (head); pos = pos->next)
 
 /**
- * list_for_each_prev	-	iterate over a list backwards
- * @pos:	the &struct list_head to use as a loop cursor.
- * @head:	the head for your list.
+ * list_for_each_prev   -   iterate over a list backwards
+ * @pos:    the &struct list_head to use as a loop cursor.
+ * @head:   the head for your list.
  */
 #define list_for_each_prev(pos, head) \
-	for (pos = (head)->prev; prefetch(pos->prev), pos != (head); \
-		pos = pos->prev)
+    for (pos = (head)->prev; prefetch(pos->prev), pos != (head); \
+        pos = pos->prev)
 
 /**
  * list_for_each_safe - iterate over a list safe against removal of list entry
- * @pos:	the &struct list_head to use as a loop cursor.
- * @n:		another &struct list_head to use as temporary storage
- * @head:	the head for your list.
+ * @pos:    the &struct list_head to use as a loop cursor.
+ * @n:      another &struct list_head to use as temporary storage
+ * @head:   the head for your list.
  */
 #define list_for_each_safe(pos, n, head) \
-	for (pos = (head)->next, n = pos->next; pos != (head); \
-		pos = n, n = pos->next)
+    for (pos = (head)->next, n = pos->next; pos != (head); \
+        pos = n, n = pos->next)
 
 /**
  * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry
- * @pos:	the &struct list_head to use as a loop cursor.
- * @n:		another &struct list_head to use as temporary storage
- * @head:	the head for your list.
+ * @pos:    the &struct list_head to use as a loop cursor.
+ * @n:      another &struct list_head to use as temporary storage
+ * @head:   the head for your list.
  */
 #define list_for_each_prev_safe(pos, n, head) \
-	for (pos = (head)->prev, n = pos->prev; \
-	     prefetch(pos->prev), pos != (head); \
-	     pos = n, n = pos->prev)
+    for (pos = (head)->prev, n = pos->prev; \
+         prefetch(pos->prev), pos != (head); \
+         pos = n, n = pos->prev)
 
 /**
- * list_for_each_entry	-	iterate over list of given type
- * @pos:	the type * to use as a loop cursor.
- * @head:	the head for your list.
- * @member:	the name of the list_struct within the struct.
+ * list_for_each_entry  -   iterate over list of given type
+ * @pos:    the type * to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
  */
-#define list_for_each_entry(pos, head, member)				\
-	for (pos = list_entry((head)->next, typeof(*pos), member);	\
-	     prefetch(pos->member.next), &pos->member != (head);	\
-	     pos = list_entry(pos->member.next, typeof(*pos), member))
+#define list_for_each_entry(pos, head, member)              \
+    for (pos = list_entry((head)->next, typeof(*pos), member);  \
+         prefetch(pos->member.next), &pos->member != (head);    \
+         pos = list_entry(pos->member.next, typeof(*pos), member))
 
 /**
  * list_for_each_entry_reverse - iterate backwards over list of given type.
- * @pos:	the type * to use as a loop cursor.
- * @head:	the head for your list.
- * @member:	the name of the list_struct within the struct.
+ * @pos:    the type * to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
  */
-#define list_for_each_entry_reverse(pos, head, member)			\
-	for (pos = list_entry((head)->prev, typeof(*pos), member);	\
-	     prefetch(pos->member.prev), &pos->member != (head);	\
-	     pos = list_entry(pos->member.prev, typeof(*pos), member))
+#define list_for_each_entry_reverse(pos, head, member)          \
+    for (pos = list_entry((head)->prev, typeof(*pos), member);  \
+         prefetch(pos->member.prev), &pos->member != (head);    \
+         pos = list_entry(pos->member.prev, typeof(*pos), member))
 
 /**
  * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
- * @pos:	the type * to use as a start point
- * @head:	the head of the list
- * @member:	the name of the list_struct within the struct.
+ * @pos:    the type * to use as a start point
+ * @head:   the head of the list
+ * @member: the name of the list_struct within the struct.
  *
  * Prepares a pos entry for use as a start point in list_for_each_entry_continue().
  */
 #define list_prepare_entry(pos, head, member) \
-	((pos) ? : list_entry(head, typeof(*pos), member))
+    ((pos) ? : list_entry(head, typeof(*pos), member))
 
 /**
  * list_for_each_entry_continue - continue iteration over list of given type
- * @pos:	the type * to use as a loop cursor.
- * @head:	the head for your list.
- * @member:	the name of the list_struct within the struct.
+ * @pos:    the type * to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
  *
  * Continue to iterate over list of given type, continuing after
  * the current position.
  */
-#define list_for_each_entry_continue(pos, head, member) 		\
-	for (pos = list_entry(pos->member.next, typeof(*pos), member);	\
-	     prefetch(pos->member.next), &pos->member != (head);	\
-	     pos = list_entry(pos->member.next, typeof(*pos), member))
+#define list_for_each_entry_continue(pos, head, member)         \
+    for (pos = list_entry(pos->member.next, typeof(*pos), member);  \
+         prefetch(pos->member.next), &pos->member != (head);    \
+         pos = list_entry(pos->member.next, typeof(*pos), member))
 
 /**
  * list_for_each_entry_continue_reverse - iterate backwards from the given point
- * @pos:	the type * to use as a loop cursor.
- * @head:	the head for your list.
- * @member:	the name of the list_struct within the struct.
+ * @pos:    the type * to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
  *
  * Start to iterate over list of given type backwards, continuing after
  * the current position.
  */
-#define list_for_each_entry_continue_reverse(pos, head, member)		\
-	for (pos = list_entry(pos->member.prev, typeof(*pos), member);	\
-	     prefetch(pos->member.prev), &pos->member != (head);	\
-	     pos = list_entry(pos->member.prev, typeof(*pos), member))
+#define list_for_each_entry_continue_reverse(pos, head, member)     \
+    for (pos = list_entry(pos->member.prev, typeof(*pos), member);  \
+         prefetch(pos->member.prev), &pos->member != (head);    \
+         pos = list_entry(pos->member.prev, typeof(*pos), member))
 
 /**
  * list_for_each_entry_from - iterate over list of given type from the current point
- * @pos:	the type * to use as a loop cursor.
- * @head:	the head for your list.
- * @member:	the name of the list_struct within the struct.
+ * @pos:    the type * to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
  *
  * Iterate over list of given type, continuing from current position.
  */
-#define list_for_each_entry_from(pos, head, member)			\
-	for (; prefetch(pos->member.next), &pos->member != (head);	\
-	     pos = list_entry(pos->member.next, typeof(*pos), member))
+#define list_for_each_entry_from(pos, head, member)         \
+    for (; prefetch(pos->member.next), &pos->member != (head);  \
+         pos = list_entry(pos->member.next, typeof(*pos), member))
 
 /**
  * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
- * @pos:	the type * to use as a loop cursor.
- * @n:		another type * to use as temporary storage
- * @head:	the head for your list.
- * @member:	the name of the list_struct within the struct.
+ * @pos:    the type * to use as a loop cursor.
+ * @n:      another type * to use as temporary storage
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
  */
-#define list_for_each_entry_safe(pos, n, head, member)			\
-	for (pos = list_entry((head)->next, typeof(*pos), member),	\
-		n = list_entry(pos->member.next, typeof(*pos), member);	\
-	     &pos->member != (head);					\
-	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
+#define list_for_each_entry_safe(pos, n, head, member)          \
+    for (pos = list_entry((head)->next, typeof(*pos), member),  \
+        n = list_entry(pos->member.next, typeof(*pos), member); \
+         &pos->member != (head);                    \
+         pos = n, n = list_entry(n->member.next, typeof(*n), member))
 
 /**
  * list_for_each_entry_safe_continue
- * @pos:	the type * to use as a loop cursor.
- * @n:		another type * to use as temporary storage
- * @head:	the head for your list.
- * @member:	the name of the list_struct within the struct.
+ * @pos:    the type * to use as a loop cursor.
+ * @n:      another type * to use as temporary storage
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
  *
  * Iterate over list of given type, continuing after current point,
  * safe against removal of list entry.
  */
-#define list_for_each_entry_safe_continue(pos, n, head, member) 		\
-	for (pos = list_entry(pos->member.next, typeof(*pos), member),		\
-		n = list_entry(pos->member.next, typeof(*pos), member);		\
-	     &pos->member != (head);						\
-	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
+#define list_for_each_entry_safe_continue(pos, n, head, member)         \
+    for (pos = list_entry(pos->member.next, typeof(*pos), member),      \
+        n = list_entry(pos->member.next, typeof(*pos), member);     \
+         &pos->member != (head);                        \
+         pos = n, n = list_entry(n->member.next, typeof(*n), member))
 
 /**
  * list_for_each_entry_safe_from
- * @pos:	the type * to use as a loop cursor.
- * @n:		another type * to use as temporary storage
- * @head:	the head for your list.
- * @member:	the name of the list_struct within the struct.
+ * @pos:    the type * to use as a loop cursor.
+ * @n:      another type * to use as temporary storage
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
  *
  * Iterate over list of given type from current point, safe against
  * removal of list entry.
  */
-#define list_for_each_entry_safe_from(pos, n, head, member)			\
-	for (n = list_entry(pos->member.next, typeof(*pos), member);		\
-	     &pos->member != (head);						\
-	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
+#define list_for_each_entry_safe_from(pos, n, head, member)         \
+    for (n = list_entry(pos->member.next, typeof(*pos), member);        \
+         &pos->member != (head);                        \
+         pos = n, n = list_entry(n->member.next, typeof(*n), member))
 
 /**
  * list_for_each_entry_safe_reverse
- * @pos:	the type * to use as a loop cursor.
- * @n:		another type * to use as temporary storage
- * @head:	the head for your list.
- * @member:	the name of the list_struct within the struct.
+ * @pos:    the type * to use as a loop cursor.
+ * @n:      another type * to use as temporary storage
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
  *
  * Iterate backwards over list of given type, safe against removal
  * of list entry.
  */
-#define list_for_each_entry_safe_reverse(pos, n, head, member)		\
-	for (pos = list_entry((head)->prev, typeof(*pos), member),	\
-		n = list_entry(pos->member.prev, typeof(*pos), member);	\
-	     &pos->member != (head);					\
-	     pos = n, n = list_entry(n->member.prev, typeof(*n), member))
+#define list_for_each_entry_safe_reverse(pos, n, head, member)      \
+    for (pos = list_entry((head)->prev, typeof(*pos), member),  \
+        n = list_entry(pos->member.prev, typeof(*pos), member); \
+         &pos->member != (head);                    \
+         pos = n, n = list_entry(n->member.prev, typeof(*n), member))
 
 /*
  * Double linked lists with a single pointer list head.
@@ -576,11 +576,11 @@
  */
 
 struct hlist_head {
-	struct hlist_node *first;
+    struct hlist_node *first;
 };
 
 struct hlist_node {
-	struct hlist_node *next, **pprev;
+    struct hlist_node *next, **pprev;
 };
 
 #define HLIST_HEAD_INIT { .first = NULL }
@@ -588,134 +588,134 @@
 #define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
 static inline void INIT_HLIST_NODE(struct hlist_node *h)
 {
-	h->next = NULL;
-	h->pprev = NULL;
+    h->next = NULL;
+    h->pprev = NULL;
 }
 
 static inline int hlist_unhashed(const struct hlist_node *h)
 {
-	return !h->pprev;
+    return !h->pprev;
 }
 
 static inline int hlist_empty(const struct hlist_head *h)
 {
-	return !h->first;
+    return !h->first;
 }
 
 static inline void __hlist_del(struct hlist_node *n)
 {
-	struct hlist_node *next = n->next;
-	struct hlist_node **pprev = n->pprev;
-	*pprev = next;
-	if (next)
-		next->pprev = pprev;
+    struct hlist_node *next = n->next;
+    struct hlist_node **pprev = n->pprev;
+    *pprev = next;
+    if (next)
+        next->pprev = pprev;
 }
 
 static inline void hlist_del(struct hlist_node *n)
 {
-	__hlist_del(n);
-	n->next = LIST_POISON1;
-	n->pprev = LIST_POISON2;
+    __hlist_del(n);
+    n->next = LIST_POISON1;
+    n->pprev = LIST_POISON2;
 }
 
 static inline void hlist_del_init(struct hlist_node *n)
 {
-	if (!hlist_unhashed(n)) {
-		__hlist_del(n);
-		INIT_HLIST_NODE(n);
-	}
+    if (!hlist_unhashed(n)) {
+        __hlist_del(n);
+        INIT_HLIST_NODE(n);
+    }
 }
 
 static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
 {
-	struct hlist_node *first = h->first;
-	n->next = first;
-	if (first)
-		first->pprev = &n->next;
-	h->first = n;
-	n->pprev = &h->first;
+    struct hlist_node *first = h->first;
+    n->next = first;
+    if (first)
+        first->pprev = &n->next;
+    h->first = n;
+    n->pprev = &h->first;
 }
 
 /* next must be != NULL */
 static inline void hlist_add_before(struct hlist_node *n,
-					struct hlist_node *next)
+                    struct hlist_node *next)
 {
-	n->pprev = next->pprev;
-	n->next = next;
-	next->pprev = &n->next;
-	*(n->pprev) = n;
+    n->pprev = next->pprev;
+    n->next = next;
+    next->pprev = &n->next;
+    *(n->pprev) = n;
 }
 
 static inline void hlist_add_after(struct hlist_node *n,
-					struct hlist_node *next)
+                    struct hlist_node *next)
 {
-	next->next = n->next;
-	n->next = next;
-	next->pprev = &n->next;
+    next->next = n->next;
+    n->next = next;
+    next->pprev = &n->next;
 
-	if(next->next)
-		next->next->pprev  = &next->next;
+    if(next->next)
+        next->next->pprev  = &next->next;
 }
 
 #define hlist_entry(ptr, type, member) container_of(ptr,type,member)
 
 #define hlist_for_each(pos, head) \
-	for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \
-	     pos = pos->next)
+    for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \
+         pos = pos->next)
 
 #define hlist_for_each_safe(pos, n, head) \
-	for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
-	     pos = n)
+    for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
+         pos = n)
 
 /**
- * hlist_for_each_entry	- iterate over list of given type
- * @tpos:	the type * to use as a loop cursor.
- * @pos:	the &struct hlist_node to use as a loop cursor.
- * @head:	the head for your list.
- * @member:	the name of the hlist_node within the struct.
+ * hlist_for_each_entry - iterate over list of given type
+ * @tpos:   the type * to use as a loop cursor.
+ * @pos:    the &struct hlist_node to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the hlist_node within the struct.
  */
-#define hlist_for_each_entry(tpos, pos, head, member)			 \
-	for (pos = (head)->first;					 \
-	     pos && ({ prefetch(pos->next); 1;}) &&			 \
-		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
-	     pos = pos->next)
+#define hlist_for_each_entry(tpos, pos, head, member)            \
+    for (pos = (head)->first;                    \
+         pos && ({ prefetch(pos->next); 1;}) &&          \
+        ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+         pos = pos->next)
 
 /**
  * hlist_for_each_entry_continue - iterate over a hlist continuing after current point
- * @tpos:	the type * to use as a loop cursor.
- * @pos:	the &struct hlist_node to use as a loop cursor.
- * @member:	the name of the hlist_node within the struct.
+ * @tpos:   the type * to use as a loop cursor.
+ * @pos:    the &struct hlist_node to use as a loop cursor.
+ * @member: the name of the hlist_node within the struct.
  */
-#define hlist_for_each_entry_continue(tpos, pos, member)		 \
-	for (pos = (pos)->next;						 \
-	     pos && ({ prefetch(pos->next); 1;}) &&			 \
-		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
-	     pos = pos->next)
+#define hlist_for_each_entry_continue(tpos, pos, member)         \
+    for (pos = (pos)->next;                      \
+         pos && ({ prefetch(pos->next); 1;}) &&          \
+        ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+         pos = pos->next)
 
 /**
  * hlist_for_each_entry_from - iterate over a hlist continuing from current point
- * @tpos:	the type * to use as a loop cursor.
- * @pos:	the &struct hlist_node to use as a loop cursor.
- * @member:	the name of the hlist_node within the struct.
+ * @tpos:   the type * to use as a loop cursor.
+ * @pos:    the &struct hlist_node to use as a loop cursor.
+ * @member: the name of the hlist_node within the struct.
  */
-#define hlist_for_each_entry_from(tpos, pos, member)			 \
-	for (; pos && ({ prefetch(pos->next); 1;}) &&			 \
-		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
-	     pos = pos->next)
+#define hlist_for_each_entry_from(tpos, pos, member)             \
+    for (; pos && ({ prefetch(pos->next); 1;}) &&            \
+        ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+         pos = pos->next)
 
 /**
  * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
- * @tpos:	the type * to use as a loop cursor.
- * @pos:	the &struct hlist_node to use as a loop cursor.
- * @n:		another &struct hlist_node to use as temporary storage
- * @head:	the head for your list.
- * @member:	the name of the hlist_node within the struct.
+ * @tpos:   the type * to use as a loop cursor.
+ * @pos:    the &struct hlist_node to use as a loop cursor.
+ * @n:      another &struct hlist_node to use as temporary storage
+ * @head:   the head for your list.
+ * @member: the name of the hlist_node within the struct.
  */
-#define hlist_for_each_entry_safe(tpos, pos, n, head, member)		 \
-	for (pos = (head)->first;					 \
-	     pos && ({ n = pos->next; 1; }) &&				 \
-		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
-	     pos = n)
+#define hlist_for_each_entry_safe(tpos, pos, n, head, member)        \
+    for (pos = (head)->first;                    \
+         pos && ({ n = pos->next; 1; }) &&               \
+        ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+         pos = n)
 
 
 #endif
diff --git a/booster/list.h b/booster/list.h
new file mode 100644
index 0000000..2a333f4
--- /dev/null
+++ b/booster/list.h
@@ -0,0 +1,723 @@
+/*********************************************************************************
+ *      Copyright:  (C) 2020 LingYun IoT System Studio
+ *                  All rights reserved.
+ *
+ *       Filename:  list.h
+ *    Description:  This file is copied from Linux kernel, which provide link list API.
+ *
+ *        Version:  1.0.0(08/09/2020)
+ *         Author:  Guo Wenxue <guowenxue@gmail.com>
+ *      ChangeLog:  1, Release initial version on "08/09/2020 02:24:34 AM"
+ *
+ ********************************************************************************/
+
+#ifndef _LINUX_LIST_H
+#define _LINUX_LIST_H
+
+#include <linux/stddef.h>
+
+
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr:    the pointer to the member.
+ * @type:   the type of the container struct this is embedded in.
+ * @member: the name of the member within the struct.
+ *
+ */
+#undef offsetof
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#define container_of(ptr, type, member) ({          \
+    const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
+    (type *)( (char *)__mptr - offsetof(type,member) );})
+
+
+/*
+ * Architectures might want to move the poison pointer offset
+ * into some well-recognized area such as 0xdead000000000000,
+ * that is also not mappable by user-space exploits:
+ */
+#ifdef CONFIG_ILLEGAL_POINTER_VALUE
+# define POISON_POINTER_DELTA _AC(CONFIG_ILLEGAL_POINTER_VALUE, UL)
+#else
+# define POISON_POINTER_DELTA 0
+#endif
+
+/*
+ * These are non-NULL pointers that will result in page faults
+ * under normal circumstances, used to verify that nobody uses
+ * non-initialized list entries.
+ */
+#define LIST_POISON1  ((void *) 0x00100100 + POISON_POINTER_DELTA)
+#define LIST_POISON2  ((void *) 0x00200200 + POISON_POINTER_DELTA)
+
+#ifndef ARCH_HAS_PREFETCH
+#define ARCH_HAS_PREFETCH
+static inline void prefetch(const void *x) {;}
+#endif
+
+/*
+ * Simple doubly linked list implementation.
+ *
+ * Some of the internal functions ("__xxx") are useful when
+ * manipulating whole lists rather than single entries, as
+ * sometimes we already know the next/prev entries and we can
+ * generate better code by using them directly rather than
+ * using the generic single-entry routines.
+ */
+
+struct list_head {
+    struct list_head *next, *prev;
+};
+
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
+
+#define LIST_HEAD(name) \
+    struct list_head name = LIST_HEAD_INIT(name)
+
+static inline void INIT_LIST_HEAD(struct list_head *list)
+{
+    list->next = list;
+    list->prev = list;
+}
+
+/*
+ * Insert a new entry between two known consecutive entries.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_add(struct list_head *new,
+                  struct list_head *prev,
+                  struct list_head *next)
+{
+    next->prev = new;
+    new->next = next;
+    new->prev = prev;
+    prev->next = new;
+}
+
+/**
+ * list_add - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it after
+ *
+ * Insert a new entry after the specified head.
+ * This is good for implementing stacks.
+ */
+static inline void list_add(struct list_head *new, struct list_head *head)
+{
+    __list_add(new, head, head->next);
+}
+
+/**
+ * list_add_tail - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it before
+ *
+ * Insert a new entry before the specified head.
+ * This is useful for implementing queues.
+ */
+static inline void list_add_tail(struct list_head *new, struct list_head *head)
+{
+    __list_add(new, head->prev, head);
+}
+
+/*
+ * Delete a list entry by making the prev/next entries
+ * point to each other.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_del(struct list_head *prev, struct list_head *next)
+{
+    next->prev = prev;
+    prev->next = next;
+}
+
+/**
+ * list_del - deletes entry from list.
+ * @entry: the element to delete from the list.
+ * Note: list_empty() on entry does not return true after this, the entry is
+ * in an undefined state.
+ */
+static inline void list_del(struct list_head *entry)
+{
+    __list_del(entry->prev, entry->next);
+    entry->next = LIST_POISON1;
+    entry->prev = LIST_POISON2;
+}
+
+/**
+ * list_replace - replace old entry by new one
+ * @old : the element to be replaced
+ * @new : the new element to insert
+ *
+ * If @old was empty, it will be overwritten.
+ */
+static inline void list_replace(struct list_head *old,
+                struct list_head *new)
+{
+    new->next = old->next;
+    new->next->prev = new;
+    new->prev = old->prev;
+    new->prev->next = new;
+}
+
+static inline void list_replace_init(struct list_head *old,
+                    struct list_head *new)
+{
+    list_replace(old, new);
+    INIT_LIST_HEAD(old);
+}
+
+/**
+ * list_del_init - deletes entry from list and reinitialize it.
+ * @entry: the element to delete from the list.
+ */
+static inline void list_del_init(struct list_head *entry)
+{
+    __list_del(entry->prev, entry->next);
+    INIT_LIST_HEAD(entry);
+}
+
+/**
+ * list_move - delete from one list and add as another's head
+ * @list: the entry to move
+ * @head: the head that will precede our entry
+ */
+static inline void list_move(struct list_head *list, struct list_head *head)
+{
+    __list_del(list->prev, list->next);
+    list_add(list, head);
+}
+
+/**
+ * list_move_tail - delete from one list and add as another's tail
+ * @list: the entry to move
+ * @head: the head that will follow our entry
+ */
+static inline void list_move_tail(struct list_head *list,
+                  struct list_head *head)
+{
+    __list_del(list->prev, list->next);
+    list_add_tail(list, head);
+}
+
+/**
+ * list_is_last - tests whether @list is the last entry in list @head
+ * @list: the entry to test
+ * @head: the head of the list
+ */
+static inline int list_is_last(const struct list_head *list,
+                const struct list_head *head)
+{
+    return list->next == head;
+}
+
+/**
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static inline int list_empty(const struct list_head *head)
+{
+    return head->next == head;
+}
+
+/**
+ * list_empty_careful - tests whether a list is empty and not being modified
+ * @head: the list to test
+ *
+ * Description:
+ * tests whether a list is empty _and_ checks that no other CPU might be
+ * in the process of modifying either member (next or prev)
+ *
+ * NOTE: using list_empty_careful() without synchronization
+ * can only be safe if the only activity that can happen
+ * to the list entry is list_del_init(). Eg. it cannot be used
+ * if another CPU could re-list_add() it.
+ */
+static inline int list_empty_careful(const struct list_head *head)
+{
+    struct list_head *next = head->next;
+    return (next == head) && (next == head->prev);
+}
+
+/**
+ * list_is_singular - tests whether a list has just one entry.
+ * @head: the list to test.
+ */
+static inline int list_is_singular(const struct list_head *head)
+{
+    return !list_empty(head) && (head->next == head->prev);
+}
+
+static inline void __list_cut_position(struct list_head *list,
+        struct list_head *head, struct list_head *entry)
+{
+    struct list_head *new_first = entry->next;
+    list->next = head->next;
+    list->next->prev = list;
+    list->prev = entry;
+    entry->next = list;
+    head->next = new_first;
+    new_first->prev = head;
+}
+
+/**
+ * list_cut_position - cut a list into two
+ * @list: a new list to add all removed entries
+ * @head: a list with entries
+ * @entry: an entry within head, could be the head itself
+ *  and if so we won't cut the list
+ *
+ * This helper moves the initial part of @head, up to and
+ * including @entry, from @head to @list. You should
+ * pass on @entry an element you know is on @head. @list
+ * should be an empty list or a list you do not care about
+ * losing its data.
+ *
+ */
+static inline void list_cut_position(struct list_head *list,
+        struct list_head *head, struct list_head *entry)
+{
+    if (list_empty(head))
+        return;
+    if (list_is_singular(head) &&
+        (head->next != entry && head != entry))
+        return;
+    if (entry == head)
+        INIT_LIST_HEAD(list);
+    else
+        __list_cut_position(list, head, entry);
+}
+
+static inline void __list_splice(const struct list_head *list,
+                 struct list_head *prev,
+                 struct list_head *next)
+{
+    struct list_head *first = list->next;
+    struct list_head *last = list->prev;
+
+    first->prev = prev;
+    prev->next = first;
+
+    last->next = next;
+    next->prev = last;
+}
+
+/**
+ * list_splice - join two lists, this is designed for stacks
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ */
+static inline void list_splice(const struct list_head *list,
+                struct list_head *head)
+{
+    if (!list_empty(list))
+        __list_splice(list, head, head->next);
+}
+
+/**
+ * list_splice_tail - join two lists, each list being a queue
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ */
+static inline void list_splice_tail(struct list_head *list,
+                struct list_head *head)
+{
+    if (!list_empty(list))
+        __list_splice(list, head->prev, head);
+}
+
+/**
+ * list_splice_init - join two lists and reinitialise the emptied list.
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ *
+ * The list at @list is reinitialised
+ */
+static inline void list_splice_init(struct list_head *list,
+                    struct list_head *head)
+{
+    if (!list_empty(list)) {
+        __list_splice(list, head, head->next);
+        INIT_LIST_HEAD(list);
+    }
+}
+
+/**
+ * list_splice_tail_init - join two lists and reinitialise the emptied list
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ *
+ * Each of the lists is a queue.
+ * The list at @list is reinitialised
+ */
+static inline void list_splice_tail_init(struct list_head *list,
+                     struct list_head *head)
+{
+    if (!list_empty(list)) {
+        __list_splice(list, head->prev, head);
+        INIT_LIST_HEAD(list);
+    }
+}
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr:    the &struct list_head pointer.
+ * @type:   the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_entry(ptr, type, member) \
+    container_of(ptr, type, member)
+
+/**
+ * list_first_entry - get the first element from a list
+ * @ptr:    the list head to take the element from.
+ * @type:   the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Note, that list is expected to be not empty.
+ */
+#define list_first_entry(ptr, type, member) \
+    list_entry((ptr)->next, type, member)
+
+/**
+ * list_for_each    -   iterate over a list
+ * @pos:    the &struct list_head to use as a loop cursor.
+ * @head:   the head for your list.
+ */
+#define list_for_each(pos, head) \
+    for (pos = (head)->next; prefetch(pos->next), pos != (head); \
+        pos = pos->next)
+
+/**
+ * __list_for_each  -   iterate over a list
+ * @pos:    the &struct list_head to use as a loop cursor.
+ * @head:   the head for your list.
+ *
+ * This variant differs from list_for_each() in that it's the
+ * simplest possible list iteration code, no prefetching is done.
+ * Use this for code that knows the list to be very short (empty
+ * or 1 entry) most of the time.
+ */
+#define __list_for_each(pos, head) \
+    for (pos = (head)->next; pos != (head); pos = pos->next)
+
+/**
+ * list_for_each_prev   -   iterate over a list backwards
+ * @pos:    the &struct list_head to use as a loop cursor.
+ * @head:   the head for your list.
+ */
+#define list_for_each_prev(pos, head) \
+    for (pos = (head)->prev; prefetch(pos->prev), pos != (head); \
+        pos = pos->prev)
+
+/**
+ * list_for_each_safe - iterate over a list safe against removal of list entry
+ * @pos:    the &struct list_head to use as a loop cursor.
+ * @n:      another &struct list_head to use as temporary storage
+ * @head:   the head for your list.
+ */
+#define list_for_each_safe(pos, n, head) \
+    for (pos = (head)->next, n = pos->next; pos != (head); \
+        pos = n, n = pos->next)
+
+/**
+ * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry
+ * @pos:    the &struct list_head to use as a loop cursor.
+ * @n:      another &struct list_head to use as temporary storage
+ * @head:   the head for your list.
+ */
+#define list_for_each_prev_safe(pos, n, head) \
+    for (pos = (head)->prev, n = pos->prev; \
+         prefetch(pos->prev), pos != (head); \
+         pos = n, n = pos->prev)
+
+/**
+ * list_for_each_entry  -   iterate over list of given type
+ * @pos:    the type * to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry(pos, head, member)              \
+    for (pos = list_entry((head)->next, typeof(*pos), member);  \
+         prefetch(pos->member.next), &pos->member != (head);    \
+         pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_reverse - iterate backwards over list of given type.
+ * @pos:    the type * to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_reverse(pos, head, member)          \
+    for (pos = list_entry((head)->prev, typeof(*pos), member);  \
+         prefetch(pos->member.prev), &pos->member != (head);    \
+         pos = list_entry(pos->member.prev, typeof(*pos), member))
+
+/**
+ * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
+ * @pos:    the type * to use as a start point
+ * @head:   the head of the list
+ * @member: the name of the list_struct within the struct.
+ *
+ * Prepares a pos entry for use as a start point in list_for_each_entry_continue().
+ */
+#define list_prepare_entry(pos, head, member) \
+    ((pos) ? : list_entry(head, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_continue - continue iteration over list of given type
+ * @pos:    the type * to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Continue to iterate over list of given type, continuing after
+ * the current position.
+ */
+#define list_for_each_entry_continue(pos, head, member)         \
+    for (pos = list_entry(pos->member.next, typeof(*pos), member);  \
+         prefetch(pos->member.next), &pos->member != (head);    \
+         pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_continue_reverse - iterate backwards from the given point
+ * @pos:    the type * to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Start to iterate over list of given type backwards, continuing after
+ * the current position.
+ */
+#define list_for_each_entry_continue_reverse(pos, head, member)     \
+    for (pos = list_entry(pos->member.prev, typeof(*pos), member);  \
+         prefetch(pos->member.prev), &pos->member != (head);    \
+         pos = list_entry(pos->member.prev, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_from - iterate over list of given type from the current point
+ * @pos:    the type * to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type, continuing from current position.
+ */
+#define list_for_each_entry_from(pos, head, member)         \
+    for (; prefetch(pos->member.next), &pos->member != (head);  \
+         pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @pos:    the type * to use as a loop cursor.
+ * @n:      another type * to use as temporary storage
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_safe(pos, n, head, member)          \
+    for (pos = list_entry((head)->next, typeof(*pos), member),  \
+        n = list_entry(pos->member.next, typeof(*pos), member); \
+         &pos->member != (head);                    \
+         pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_continue
+ * @pos:    the type * to use as a loop cursor.
+ * @n:      another type * to use as temporary storage
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type, continuing after current point,
+ * safe against removal of list entry.
+ */
+#define list_for_each_entry_safe_continue(pos, n, head, member)         \
+    for (pos = list_entry(pos->member.next, typeof(*pos), member),      \
+        n = list_entry(pos->member.next, typeof(*pos), member);     \
+         &pos->member != (head);                        \
+         pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_from
+ * @pos:    the type * to use as a loop cursor.
+ * @n:      another type * to use as temporary storage
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type from current point, safe against
+ * removal of list entry.
+ */
+#define list_for_each_entry_safe_from(pos, n, head, member)         \
+    for (n = list_entry(pos->member.next, typeof(*pos), member);        \
+         &pos->member != (head);                        \
+         pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_reverse
+ * @pos:    the type * to use as a loop cursor.
+ * @n:      another type * to use as temporary storage
+ * @head:   the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Iterate backwards over list of given type, safe against removal
+ * of list entry.
+ */
+#define list_for_each_entry_safe_reverse(pos, n, head, member)      \
+    for (pos = list_entry((head)->prev, typeof(*pos), member),  \
+        n = list_entry(pos->member.prev, typeof(*pos), member); \
+         &pos->member != (head);                    \
+         pos = n, n = list_entry(n->member.prev, typeof(*n), member))
+
+/*
+ * Double linked lists with a single pointer list head.
+ * Mostly useful for hash tables where the two pointer list head is
+ * too wasteful.
+ * You lose the ability to access the tail in O(1).
+ */
+
+struct hlist_head {
+    struct hlist_node *first;
+};
+
+struct hlist_node {
+    struct hlist_node *next, **pprev;
+};
+
+#define HLIST_HEAD_INIT { .first = NULL }
+#define HLIST_HEAD(name) struct hlist_head name = {  .first = NULL }
+#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
+static inline void INIT_HLIST_NODE(struct hlist_node *h)
+{
+    h->next = NULL;
+    h->pprev = NULL;
+}
+
+static inline int hlist_unhashed(const struct hlist_node *h)
+{
+    return !h->pprev;
+}
+
+static inline int hlist_empty(const struct hlist_head *h)
+{
+    return !h->first;
+}
+
+static inline void __hlist_del(struct hlist_node *n)
+{
+    struct hlist_node *next = n->next;
+    struct hlist_node **pprev = n->pprev;
+    *pprev = next;
+    if (next)
+        next->pprev = pprev;
+}
+
+static inline void hlist_del(struct hlist_node *n)
+{
+    __hlist_del(n);
+    n->next = LIST_POISON1;
+    n->pprev = LIST_POISON2;
+}
+
+static inline void hlist_del_init(struct hlist_node *n)
+{
+    if (!hlist_unhashed(n)) {
+        __hlist_del(n);
+        INIT_HLIST_NODE(n);
+    }
+}
+
+static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
+{
+    struct hlist_node *first = h->first;
+    n->next = first;
+    if (first)
+        first->pprev = &n->next;
+    h->first = n;
+    n->pprev = &h->first;
+}
+
+/* next must be != NULL */
+static inline void hlist_add_before(struct hlist_node *n,
+                    struct hlist_node *next)
+{
+    n->pprev = next->pprev;
+    n->next = next;
+    next->pprev = &n->next;
+    *(n->pprev) = n;
+}
+
+static inline void hlist_add_after(struct hlist_node *n,
+                    struct hlist_node *next)
+{
+    next->next = n->next;
+    n->next = next;
+    next->pprev = &n->next;
+
+    if(next->next)
+        next->next->pprev  = &next->next;
+}
+
+#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
+
+#define hlist_for_each(pos, head) \
+    for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \
+         pos = pos->next)
+
+#define hlist_for_each_safe(pos, n, head) \
+    for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
+         pos = n)
+
+/**
+ * hlist_for_each_entry - iterate over list of given type
+ * @tpos:   the type * to use as a loop cursor.
+ * @pos:    the &struct hlist_node to use as a loop cursor.
+ * @head:   the head for your list.
+ * @member: the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry(tpos, pos, head, member)            \
+    for (pos = (head)->first;                    \
+         pos && ({ prefetch(pos->next); 1;}) &&          \
+        ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+         pos = pos->next)
+
+/**
+ * hlist_for_each_entry_continue - iterate over a hlist continuing after current point
+ * @tpos:   the type * to use as a loop cursor.
+ * @pos:    the &struct hlist_node to use as a loop cursor.
+ * @member: the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_continue(tpos, pos, member)         \
+    for (pos = (pos)->next;                      \
+         pos && ({ prefetch(pos->next); 1;}) &&          \
+        ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+         pos = pos->next)
+
+/**
+ * hlist_for_each_entry_from - iterate over a hlist continuing from current point
+ * @tpos:   the type * to use as a loop cursor.
+ * @pos:    the &struct hlist_node to use as a loop cursor.
+ * @member: the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_from(tpos, pos, member)             \
+    for (; pos && ({ prefetch(pos->next); 1;}) &&            \
+        ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+         pos = pos->next)
+
+/**
+ * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @tpos:   the type * to use as a loop cursor.
+ * @pos:    the &struct hlist_node to use as a loop cursor.
+ * @n:      another &struct hlist_node to use as temporary storage
+ * @head:   the head for your list.
+ * @member: the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_safe(tpos, pos, n, head, member)        \
+    for (pos = (head)->first;                    \
+         pos && ({ n = pos->next; 1; }) &&               \
+        ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+         pos = n)
+
+
+#endif
+
+
diff --git a/booster/logger.c b/booster/logger.c
index a821e1e..364fa72 100644
--- a/booster/logger.c
+++ b/booster/logger.c
@@ -1,383 +1,250 @@
 /*********************************************************************************
- *      Copyright:  (C) 2020 LingYun IoT System Studio
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
  *                  All rights reserved.
  *
  *       Filename:  logger.c
- *    Description:  This file is the linux infrastructural logger system library
+ *    Description:  This file is common logger API functions
  *
- *        Version:  1.0.0(08/08/2020~)
+ *        Version:  1.0.0(11/08/23)
  *         Author:  Guo Wenxue <guowenxue@gmail.com>
- *      ChangeLog:  1, Release initial version on "08/08/2020 04:24:01 PM"
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
  *
  ********************************************************************************/
 
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <pthread.h>
+
 #include "logger.h"
 
-#define PRECISE_TIME_FACTOR 1000
+typedef void (*log_LockFn)(void *udata, int lock);
 
-static unsigned long log_rollback_size = LOG_ROLLBACK_NONE;
+static struct {
+    char        file[32]; /* logger file name */
+    FILE       *fp;       /* logger file pointer */
+    long        size;     /* logger file max size */
+    int         level;    /* logger level */
+    log_LockFn  lockfn;   /* lock function */
+    void       *udata;    /* lock data */
+} L;
 
-/* This library is not thread safe */
-static logger_t *logger = NULL;
+static const char *level_names[] = {
+    "ERROR",
+    "WARN",
+    "INFO",
+    "DEBUG",
+    "TRACE"
+};
 
-char *log_str[LOG_LEVEL_MAX + 1] = { "", "E", "W", "N", "D", "I", "M" };
+static const char *level_colors[] = {
+    "\x1b[31m",
+    "\x1b[33m",
+    "\x1b[32m",
+    "\x1b[36m",
+    "\x1b[94m"
+};
 
-#define LOG_TIME_FMT       "%Y-%m-%d %H:%M:%S"
-
-static void log_signal_handler(int sig)
+static inline void time_to_str(char *buf)
 {
-    if(!logger)
-        return ;
+    struct timeval   tv;
+    struct tm       *tm;
+    int              len;
 
-    if (sig == SIGHUP)
+    gettimeofday(&tv, NULL);
+    tm = localtime(&tv.tv_sec);
+
+    len = sprintf(buf, "%04d-%02d-%02d %02d:%02d:%02d.%06d ",
+            tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
+            tm->tm_hour, tm->tm_min, tm->tm_sec, (int)tv.tv_usec);
+
+    buf[len] = '\0';
+}
+
+static void mutex_lock(void *udata, int lock)
+{
+    int              err;
+    pthread_mutex_t *l = (pthread_mutex_t *) udata;
+
+    if (lock)
     {
-        signal(SIGHUP, log_signal_handler);
-        log_err("SIGHUP received - reopenning log file [%s]", logger->file);
-        log_reopen();
+        if ( (err = pthread_mutex_lock(l)) != 0 )
+            log_error("Unable to lock log lock: %s", strerror(err));
+    }
+    else
+    {
+        if ( (err = pthread_mutex_unlock(l) != 0) )
+            log_error("Unable to unlock log lock: %s", strerror(err));
     }
 }
 
-static void logger_banner(char *prefix)
+int log_open(char *fname, int level, int size, int lock)
 {
-    if(!logger)
-        return ;
+    FILE            *fp;
 
-    fprintf(logger->fp, "%s log \"%s\" on level [%s] size [%lu] KiB, log system version %s\n",
-            prefix, logger->file, log_str[logger->level], log_rollback_size / 1024, LOG_VERSION_STR);
-#ifdef LOG_FILE_LINE
-    fprintf(logger->fp, " [ Date ]    [ Time ]   [ Level ]  [ File/Line ]  [ Message ]\n");
-#else
-    fprintf(logger->fp, " [ Date ]    [ Time ]   [ Level ]  [ Message ]\n");
-#endif
-    fprintf(logger->fp, "-------------------------------------------------------------\n");
-}
+    L.level = level;
+    L.size = size*1024;
 
-static void check_and_rollback(void)
-{
-    if(!logger)
-        return ;
-
-    if (log_rollback_size != LOG_ROLLBACK_NONE)
+    if( !fname || !strcmp(fname, "console") || !strcmp(fname, "stderr") )
     {
-        long _curOffset = ftell(logger->fp);
-
-        if ((_curOffset != -1) && (_curOffset >= log_rollback_size))
+        strcpy(L.file, "console");
+        L.fp = stderr;
+        L.size = 0; /* console don't need rollback */
+    }
+    else
+    {
+        if ( !(fp = fopen(fname, "a+")) )
         {
-            char cmd[512];
-
-            snprintf(cmd, sizeof(cmd), "cp -f %s %s.roll", logger->file, logger->file);
-            system(cmd);
-
-            if (-1 == fseek(logger->fp, 0L, SEEK_SET))
-                fprintf(logger->fp, "log rollback fseek failed \n");
-
-            rewind(logger->fp);
-
-            truncate(logger->file, 0);
-            logger_banner("Already rollback");
+            fprintf(stderr, "%s() failed: %s\n", __func__, strerror(errno));
+            return -2;
         }
+        L.fp = fp;
+        strncpy(L.file, fname, sizeof(L.file));
     }
-}
 
 
-/* log_size unit is KB */
-int log_open(logger_t *log, char *log_file, int level, int log_size)
-{
-    struct sigaction              act;
-    char                         *filemode;
-
-    if(!log)
+    if( lock )
     {
-        printf("ERROR: Invalid input arguments\n");
-        return -1;
+        static pthread_mutex_t     log_lock;
+
+        pthread_mutex_init(&log_lock, NULL);
+        L.udata = (void *)&log_lock;
+        L.lockfn = mutex_lock;
     }
 
-    /* set static global $logger point to argument $log  */
-    logger = log;
+    fprintf(L.fp, "\n");
+    log_info("logger system(%s) start: file:\"%s\", level:%s, maxsize:%luKiB\n\n",
+            LOG_VERSION, L.file, level_names[level], size);
 
-
-    /* use standard error as output */
-    if( !log_file || log_file[0]=='\0' || !strcmp(log_file, LOG_STDERR))
-    {
-        strncpy(logger->file, LOG_STDERR, FILENAME_LEN);
-        logger->flag |= FLAG_LOGGER_CONSOLE;
-        logger->level = level;
-        logger->fp = stderr;
-
-        log_rollback_size = LOG_ROLLBACK_NONE;
-        goto OUT;
-    }
-
-    strncpy(logger->file, log_file, FILENAME_LEN);
-    logger->flag |= FLAG_LOGGER_FILE;
-    logger->level = level;
-    logger->size = log_size;
-
-    log_rollback_size = log_size <= 0 ? LOG_ROLLBACK_NONE : log_size*1024;    /* Unit KiB */
-
-    filemode = (log_rollback_size==LOG_ROLLBACK_NONE) ? "a+" : "w+";
-
-    logger->fp = fopen(logger->file, filemode);
-    if ( !logger->fp )
-    {
-        fprintf(stderr, "Open log file \"%s\" in %s failure: %s\n", logger->file, filemode, strerror(errno));
-        return -2;
-    }
-
-    act.sa_handler = log_signal_handler;
-    sigemptyset(&act.sa_mask);
-    act.sa_flags = 0;
-    sigaction(SIGHUP, &act, NULL);
-
-  OUT:
-    logger_banner("Initialize");
     return 0;
 }
 
 void log_close(void)
 {
-    if (!logger || !logger->fp )
-        return;
+    if( L.fp && L.fp!=stderr )
+        fclose(L.fp);
 
-    logger_banner("\nTerminate");
-    logger_raw("\n\n\n\n");
+    if (L.udata )
+        pthread_mutex_destroy( L.udata);
+}
 
-    fflush(logger->fp);
+static void log_rollback(void)
+{
+    char       cmd[128]={0};
+    long       fsize;
 
-    fclose(logger->fp);
-    logger->fp = NULL;
+    /* don't need rollback */
+    if(L.size <= 0 )
+        return ;
+
+    fsize = ftell(L.fp);
+    if( fsize < L.size )
+        return ;
+
+    /* backup current log file  */
+    snprintf(cmd, sizeof(cmd), "cp %s %s.bak", L.file, L.file);
+    system(cmd);
+
+    /* rollback file */
+    fseek(L.fp, 0, SEEK_SET);
+    truncate(L.file, 0);
+
+    fprintf(L.fp, "\n");
+    log_info("logger system(%s) rollback: file:\"%s\", level:%s, maxsize:%luKiB\n\n",
+            LOG_VERSION, L.file, level_names[L.level], L.size/1024);
 
     return ;
 }
 
-int log_reopen(void)
+void _log_write(int level, const char *file, int line, const char *fmt, ...)
 {
-    int rc = 0;
-    char *filemode;
+    va_list    args;
+    char       time_string[100];
 
-    if( !logger )
-        return -1;
-
-    if (logger->flag & FLAG_LOGGER_CONSOLE )
-    {
-        fflush(logger->fp);
-        logger->fp = stderr;
-        return 0;
-    }
-
-    if (logger->fp)
-    {
-        log_close();
-        filemode = log_rollback_size==LOG_ROLLBACK_NONE ? "a+" : "w+";
-        logger->fp = fopen(logger->file, filemode);
-
-        if (logger->fp == NULL)
-            rc = -2;
-    }
-    else
-    {
-        rc = -3;
-    }
-
-    if (!rc)
-    {
-        logger_banner("\nReopen");
-    }
-    return rc;
-}
-
-
-void logger_raw(const char *fmt, ...)
-{
-    va_list argp;
-
-    if (!logger || !logger->fp)
+    if ( !L.fp || level>L.level )
         return;
 
-    check_and_rollback();
+    /* Acquire lock */
+    if ( L.lockfn )
+        L.lockfn(L.udata, 1);
 
-    va_start(argp, fmt);
-    vfprintf(logger->fp, fmt, argp);
-    va_end(argp);
-}
+    log_rollback();
 
-static void cp_printout(char *level, char *fmt, va_list argp)
-{
-    char buf[MAX_LOG_MESSAGE_LEN];
-    struct tm *local;
-    struct timeval now;
-    char timestr[256];
+    /* check and rollback file */
+    time_to_str(time_string);
 
-    if(!logger)
-        return ;
-
-    check_and_rollback();
-
-    gettimeofday(&now, NULL);
-    local = localtime(&now.tv_sec);
-
-    strftime(timestr, 256, LOG_TIME_FMT, local);
-    vsnprintf(buf, MAX_LOG_MESSAGE_LEN, fmt, argp);
-
-#ifdef DUMPLICATE_OUTPUT
-    printf("%s.%03ld [%s] : %s",
-           timestr, now.tv_usec / PRECISE_TIME_FACTOR, level, buf);
-#endif
-
-    if (logger->fp)
-        fprintf(logger->fp, "%s.%03ld [%s] : %s", timestr, now.tv_usec / PRECISE_TIME_FACTOR, level, buf);
-
-    if (logger->fp)
-        fflush(logger->fp);
-}
-
-static void cp_printout_line(char *level, char *fmt, char *file, int line, va_list argp)
-{
-    char buf[MAX_LOG_MESSAGE_LEN];
-    struct tm *local;
-    struct timeval now;
-    char timestr[256];
-
-    if(!logger)
-        return ;
-
-    check_and_rollback();
-
-    gettimeofday(&now, NULL);
-    local = localtime(&now.tv_sec);
-
-    strftime(timestr, 256, LOG_TIME_FMT, local);
-    vsnprintf(buf, MAX_LOG_MESSAGE_LEN, fmt, argp);
-
-#ifdef DUMPLICATE_OUTPUT
-    printf("[%s.%03ld] <%s> <%s:%04d> : %s",
-           timestr, now.tv_usec / PRECISE_TIME_FACTOR, level, file, line, buf);
-#endif
-
-    if (logger->fp)
+    /* Log to stderr */
+    if ( L.fp == stderr )
     {
-        fprintf(logger->fp, "[%s.%03ld] <%s> <%s:%04d> : %s",
-                timestr, now.tv_usec / PRECISE_TIME_FACTOR, level, file, line, buf);
-
-        fflush(logger->fp);
+        fprintf(L.fp, "%s %s %-5s\x1b[0m \x1b[90m%s:%03d:\x1b[0m ",
+                time_string, level_colors[level], level_names[level], file, line);
     }
-}
-
-void logger_str(int level, const char *msg)
-{
-    if (!logger || level>logger->level)
-        return;
-
-    check_and_rollback();
-
-    if (logger->fp)
-        fwrite(msg, 1, strlen(msg), logger->fp);
-
-    if(logger->fp)
-        fflush(logger->fp);
-}
-
-void logger_min(int level, char *fmt, ...)
-{
-    va_list argp;
-
-    if (!logger || level>logger->level)
-        return;
-
-    va_start(argp, fmt);
-    cp_printout(log_str[level], fmt, argp);
-    va_end(argp);
-}
-
-void logger_line(int level, char *file, int line, char *fmt, ...)
-{
-    va_list argp;
-
-    if (!logger || level>logger->level)
-        return;
-
-    va_start(argp, fmt);
-    cp_printout_line(log_str[level], fmt, file, line, argp);
-
-    va_end(argp);
-}
-
-#define LINELEN 81
-#define CHARS_PER_LINE 16
-static char *print_char =
-    "                "
-    "                "
-    " !\"#$%&'()*+,-./"
-    "0123456789:;<=>?"
-    "@ABCDEFGHIJKLMNO"
-    "PQRSTUVWXYZ[\\]^_"
-    "`abcdefghijklmno"
-    "pqrstuvwxyz{|}~ "
-    "                "
-    "                "
-    " ???????????????"
-    "????????????????"
-    "????????????????"
-    "????????????????"
-    "????????????????"
-    "????????????????";
-
-void logger_dump(int level, char *buf, int len)
-{
-    int rc;
-    int idx;
-    char prn[LINELEN];
-    char lit[CHARS_PER_LINE + 2];
-    char hc[4];
-    short line_done = 1;
-
-    if (!logger || level>logger->level)
-        return;
-
-    rc = len;
-    idx = 0;
-    lit[CHARS_PER_LINE] = '\0';
-
-    while (rc > 0)
+    else /* Log to file */
     {
-        if (line_done)
-            snprintf(prn, LINELEN, "%08X: ", idx);
+        fprintf(L.fp, "%s %-5s %s:%03d: ", time_string, level_names[level], file, line);
+    }
 
-        do
+    va_start(args, fmt);
+    vfprintf(L.fp, fmt, args);
+    va_end(args);
+
+    fflush(L.fp);
+
+    /* Release lock */
+    if ( L.lockfn )
+        L.lockfn(L.udata, 0);
+}
+
+
+void log_dump(int level, const char *prompt, char *buf, size_t len)
+{
+    int                 i, j, ofset;
+    char                line[256];
+    unsigned char       c;
+    unsigned char      *buffer = (unsigned char *)buf;
+
+    if (!L.fp || level>L.level)
+        return;
+
+    if( prompt )
+        _log_write(level, __FILE__, __LINE__, "%s\r\n", prompt);
+
+    for(i=0; i<len; i+=16)
+    {
+        ofset = snprintf(line, sizeof(line), "%04x: ", i);
+
+        /* print hex representation, and print spaces if end of buffer */
+        for(j=0; j<16; j++)
         {
-            unsigned char c = buf[idx];
-            snprintf(hc, 4, "%02X ", c);
-            strncat(prn, hc, LINELEN);
-
-            lit[idx % CHARS_PER_LINE] = print_char[c];
+            if(i+j < len)
+                ofset += snprintf(line+ofset, sizeof(line)-ofset, "%02x ", buffer[i+j]);
+            else
+                ofset += snprintf(line+ofset, sizeof(line)-ofset, "   ");
         }
-        while (--rc > 0 && (++idx % CHARS_PER_LINE != 0));
+        ofset += snprintf(line+ofset, sizeof(line)-ofset, " ");
 
-        line_done = (idx % CHARS_PER_LINE) == 0;
-        if (line_done)
+        /* print ASCII representation */
+        for(j=0; j<16; j++)
         {
-#ifdef DUMPLICATE_OUTPUT
-            printf("%s  %s\n", prn, lit);
-#endif
-            if (logger->fp)
-                fprintf(logger->fp, "%s  %s\n", prn, lit);
+            if (i+j < len)
+            {
+                c = buffer[i+j];
+                ofset += snprintf(line+ofset, sizeof(line)-ofset, "%c", (c>=32 && c<=126) ? c : '.');
+            }
+            else
+            {
+                ofset += snprintf(line+ofset, sizeof(line)-ofset, " ");
+            }
         }
-    }
 
-    if (!line_done)
-    {
-        int ldx = idx % CHARS_PER_LINE;
-        lit[ldx++] = print_char[(int)buf[idx]];
-        lit[ldx] = '\0';
-
-        while ((++idx % CHARS_PER_LINE) != 0)
-            strncat(prn, "   ", sizeof(prn));
-
-#ifdef DUMPLICATE_OUTPUT
-        printf("%s  %s\n", prn, lit);
-#endif
-        if (logger->fp)
-            fprintf(logger->fp, "%s  %s\n", prn, lit);
-
+        if (L.fp)
+            fprintf(L.fp, "%s\r\n", line);
     }
 }
+
diff --git a/booster/logger.h b/booster/logger.h
index 5505101..ef8569e 100644
--- a/booster/logger.h
+++ b/booster/logger.h
@@ -1,105 +1,68 @@
-/********************************************************************************
- *      Copyright:  (C) 2020 LingYun IoT System Studio
+/*********************************************************************************
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
  *                  All rights reserved.
  *
  *       Filename:  logger.h
- *    Description:  This file is the linux infrastructural logger system library
+ *    Description:  This file is common logger API functions
  *
- *        Version:  1.0.0(08/08/2020~)
+ *        Version:  1.0.0(11/08/23)
  *         Author:  Guo Wenxue <guowenxue@gmail.com>
- *      ChangeLog:  1, Release initial version on "08/08/2020 05:16:56 PM"
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
  *
  ********************************************************************************/
 
 #ifndef  _LOGGER_H_
 #define  _LOGGER_H_
 
-#include <stdarg.h>
 #include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <signal.h>
-#include <time.h>
-#include <errno.h>
+#include <stdarg.h>
 
-#include <sys/types.h>
-#include <sys/time.h>
+#define LOG_VERSION "v0.1"
 
-#define LOG_VERSION_STR             "1.0.0"
-
-#ifndef FILENAME_LEN
-#define FILENAME_LEN                64
-#endif
-
-#define LOG_STDERR                 "stderr"  /*  Debug mode log file is console */
-
-#define LOG_ROLLBACK_SIZE           512    /* Default rollback log size  */
-#define LOG_ROLLBACK_NONE           0      /* Set rollback size to 0 will not rollback  */
-
-#define DEFAULT_TIME_FORMAT         "%Y-%m-%d %H:%M:%S"
-#define MAX_LOG_MESSAGE_LEN         0x1000
-
-//#define DUMPLICATE_OUTPUT  /* Log to file and printf on console  */
-
-enum
-{
-    LOG_LEVEL_DISB = 0,               /*  Disable "Debug" */
-    LOG_LEVEL_ERROR,                  /*  Debug Level "ERROR" */
-    LOG_LEVEL_WARN,                   /*  Debug Level "warnning" */
-    LOG_LEVEL_NRML,                   /*  Debug Level "Normal" */
-    LOG_LEVEL_DEBUG,                  /*  Debug Level "Debug" */
-    LOG_LEVEL_INFO,                   /*  Debug Level "Information" */
-    LOG_LEVEL_MAX,
+/* log level */
+enum {
+    LOG_LEVEL_ERROR,
+    LOG_LEVEL_WARN,
+    LOG_LEVEL_INFO,
+    LOG_LEVEL_DEBUG,
+    LOG_LEVEL_TRACE,
+    LOG_LEVEL_MAX
 };
 
+enum {
+    LOG_LOCK_DISABLE, /* disable lock */
+    LOG_LOCK_ENABLE,  /* enable lock */
+};
+
+#define ROLLBACK_NONE   0
+
+/* description: Initial the logger system
+ * arguments  :
+ *             $fname: logger file name, NULL/"console"/"stderr" will log to console
+ *             $level: logger level above;
+ *             $size : logger file max size in KiB
+ *             $lock : thread lock enable or not
+ * return     : <0: Failed  ==0: Sucessfully
+ */
+int log_open(char *fname, int level, int size, int lock);
 
 
-/* logger->flag definition */
-#define FLAG_LOGGER_LEVEL_OPT           1<<0 /*  The log level is sepcified by the command option */
+/* description: Terminate the logger system */
+void log_close(void);
 
-#define FLAG_LOGGER_CONSOLE             1<<1
-#define FLAG_LOGGER_FILE                0<<1
 
-typedef struct logger_s
-{
-    unsigned char      flag;
-    char               file[FILENAME_LEN];
-    int                level;
-    int                size;
+/* description: log message into log file. Don't call this function directly. */
+void _log_write(int level, const char *file, int line, const char *fmt, ...);
 
-    FILE               *fp;
-} logger_t;
 
-extern char *log_str[];
+/* description: dump a buffer in hex to logger file */
+void log_dump(int level, const char *prompt, char *buf, size_t len);
 
-/* log_size unit is KB */
-extern int  log_open(logger_t *logger, char *filename, int level, int log_size);
-extern int  log_reopen(void);
-extern void log_close(void);
+/* function: log message into logger file with different log level */
+#define log_trace(...) _log_write(LOG_LEVEL_TRACE, __FILE__, __LINE__, __VA_ARGS__)
+#define log_debug(...) _log_write(LOG_LEVEL_DEBUG, __FILE__, __LINE__, __VA_ARGS__)
+#define log_info(...)  _log_write(LOG_LEVEL_INFO,  __FILE__, __LINE__, __VA_ARGS__)
+#define log_warn(...)  _log_write(LOG_LEVEL_WARN,  __FILE__, __LINE__, __VA_ARGS__)
+#define log_error(...) _log_write(LOG_LEVEL_ERROR, __FILE__, __LINE__, __VA_ARGS__)
 
-/* lowlvel API */
-extern void logger_raw(const char *fmt, ...);
-extern void logger_min(int level, char *fmt, ...);
-extern void logger_line(int level, char *file, int line, char *fmt, ...);
-extern void logger_str(int level, const char *msg);
-extern void logger_dump(int level, char *buf, int len);
-
-#define LOG_FILE_LINE      /* Log the file and line */
-
-#ifdef LOG_FILE_LINE
-#define log_info(fmt, ...)  logger_line(LOG_LEVEL_INFO,  __FILE__, __LINE__, fmt, ##__VA_ARGS__)
-#define log_dbg(fmt, ...)   logger_line(LOG_LEVEL_DEBUG, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
-#define log_nrml(fmt, ...)  logger_line(LOG_LEVEL_NRML,  __FILE__, __LINE__, fmt, ##__VA_ARGS__)
-#define log_warn(fmt, ...)  logger_line(LOG_LEVEL_WARN,  __FILE__, __LINE__, fmt, ##__VA_ARGS__)
-#define log_err(fmt, ...)   logger_line(LOG_LEVEL_ERROR, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
-#else
-#define log_info(fmt, ...)  logger_min(LOG_LEVEL_INFO, fmt, ##__VA_ARGS__)
-#define log_dbg(fmt, ...)   logger_min(LOG_LEVEL_DEBUG, fmt, ##__VA_ARGS__)
-#define log_nrml(fmt, ...)  logger_min(LOG_LEVEL_NRML, fmt, ##__VA_ARGS__)
-#define log_warn(fmt, ...)  logger_min(LOG_LEVEL_WARN, fmt, ##__VA_ARGS__)
-#define log_err(fmt, ...)   logger_min(LOG_LEVEL_ERROR, fmt, ##__VA_ARGS__)
 #endif
-
-#endif   /* ----- #ifndef _LOGGER_H_  ----- */
-
diff --git a/booster/makefile b/booster/makefile
index 745ae81..0fd869e 100644
--- a/booster/makefile
+++ b/booster/makefile
@@ -1,13 +1,33 @@
+#********************************************************************************
+#      Copyright:  (C) 2023 LingYun IoT System Studio
+#                  All rights reserved.
+#
+#       Filename:  Makefile
+#    Description:  This file used compile all the source code to static library
+#
+#        Version:  1.0.0(11/08/23)
+#         Author:  Guo Wenxue <guowenxue@gmail.com>
+#      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
+#
+#*******************************************************************************
 
 PWD=$(shell pwd )
 
+BUILD_ARCH=$(shell uname -m)
+ifneq ($(findstring $(BUILD_ARCH), "x86_64" "i386"),)
+    CROSS_COMPILE?=arm-linux-gnueabihf-
+endif
+
+#CROSS_COMPILE=
+
 LIBNAME=$(shell basename ${PWD} )
 TOPDIR=$(shell dirname ${PWD} )
+CFLAGS+=-D_GNU_SOURCE
 
 all: clean
 	@rm -f *.o
-	@${CROSSTOOL}gcc ${CFLAGS} -I${TOPDIR} -c *.c 
-	${CROSSTOOL}ar -rcs  lib${LIBNAME}.a *.o
+	@${CROSS_COMPILE}gcc ${CFLAGS} -I${TOPDIR} -c *.c
+	${CROSS_COMPILE}ar -rcs  lib${LIBNAME}.a *.o
 
 clean:
 	@rm -f *.o
@@ -15,4 +35,3 @@
 
 distclean:
 	@make clean
-	@rm -f cscope.* tags
diff --git a/booster/ringbuf.c b/booster/ringbuf.c
index f79d496..8902a4d 100644
--- a/booster/ringbuf.c
+++ b/booster/ringbuf.c
@@ -1,15 +1,16 @@
-/********************************************************************************
- *      Copyright:  (C) 2021 LingYun IoT System Studio
+/*********************************************************************************
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
  *                  All rights reserved.
  *
- *       Filename:  ringbuf.h
- *    Description:  This head file
+ *       Filename:  ringbuf.c
+ *    Description:  This file is common ring buffer API functions
  *
- *        Version:  1.0.0(2021年04月29日)
+ *        Version:  1.0.0(11/08/23)
  *         Author:  Guo Wenxue <guowenxue@gmail.com>
- *      ChangeLog:  1, Release initial version on "2021年04月29日 12时18分32秒"
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
  *
  ********************************************************************************/
+
 #include <string.h>
 #include <assert.h>
 #include "ringbuf.h"
@@ -100,7 +101,7 @@
 
 unsigned char rb_peek(struct ring_buffer* rb, int index)
 {
-	assert(index < rb_data_size(rb));
+    assert(index < rb_data_size(rb));
 
-	return rb->buffer[((rb->rd_pointer + index) % rb->size)];
+    return rb->buffer[((rb->rd_pointer + index) % rb->size)];
 }
diff --git a/booster/ringbuf.h b/booster/ringbuf.h
index 23553cc..26153eb 100644
--- a/booster/ringbuf.h
+++ b/booster/ringbuf.h
@@ -1,13 +1,13 @@
-/********************************************************************************
- *      Copyright:  (C) 2021 LingYun IoT System Studio
+/*********************************************************************************
+ *      Copyright:  (C) 2023 LingYun IoT System Studio.
  *                  All rights reserved.
  *
  *       Filename:  ringbuf.h
- *    Description:  This head file
+ *    Description:  This file is common ring buffer API functions
  *
- *        Version:  1.0.0(2021年04月29日)
+ *        Version:  1.0.0(11/08/23)
  *         Author:  Guo Wenxue <guowenxue@gmail.com>
- *      ChangeLog:  1, Release initial version on "2021年04月29日 12时18分32秒"
+ *      ChangeLog:  1, Release initial version on "11/08/23 16:18:43"
  *
  ********************************************************************************/
 
@@ -16,7 +16,7 @@
 
 struct ring_buffer
 {
-	unsigned char      *buffer;
+    unsigned char      *buffer;
     int                 wr_pointer;
     int                 rd_pointer;
     int                 size;
diff --git a/booster/test/gpio-scripts/pinctrl-rzboard b/booster/test/gpio-scripts/pinctrl-rzboard
deleted file mode 100755
index facd6cf..0000000
--- a/booster/test/gpio-scripts/pinctrl-rzboard
+++ /dev/null
@@ -1,144 +0,0 @@
-#!/bin/bash
-# This shell script used to control GPIO port on RzBoard
-
-direction=out
-sysdir=/sys/class/gpio/
-pinbase=120
-groupin=8
-
-pinnum=
-pindir=
-action=
-
-set -u
-set -e
-
-# RedLed: P8_1  GreenLed: P17_2 BlueLed: P19_1
-# UserKey: P39_0
-function usage()
-{
-   echo "Show pinmap Usage: $0 [-v]"
-   echo "Output set  Usage: $0 P9_1 [1/0]"
-   echo "Input read  Usage: $0 [-i] P9_1"
-   echo "Unexport    Usage: $0 [-u] P9_1"
-   exit;
-}
-
-function show_pinmap()
-{
-   echo "
- +--------------------+--RzBoard--+--------------------+
- |      Name/GPIO     |  Physical |      Name/GPIO     |
- +--------------------+-----++----+--------------------+
- |        3.3v        |   1 ||  2 |         5v         |
- |      SDA2(P3_0)    |   3 ||  4 |         5v         |
- |      SCL2(P3_1)    |   5 ||  6 |        GND         |
- |     GPIO(P12_0)    |   7 ||  8 |     TXD2(P48_0)    |
- |        GND         |   9 || 10 |     RXD2(P48_1)    |
- |     SCL3(P48_3)    |  11 || 12 |     GPIO(P17_1)    |
- |     SDA3(P48_2)    |  13 || 14 |        GND         |
- |     GPIO(P17_0)    |  15 || 16 |     GPIO(P13_2)    |
- |        3.3v        |  17 || 18 |     GPIO(P14_0)    |
- |  SPI1_MOSI(P44_1)  |  19 || 20 |        GND         |
- |  SPI1_MISO(P44_2)  |  21 || 22 |     GPIO(P39_1)    |
- |  SPI1_CLK(P44_0)   |  23 || 24 |    SPI1_SS(P44_3)  |
- |        GND         |  25 || 26 |     GPIO(P0_1)     |
- |     GPIO(P14_1)    |  27 || 28 |     GPIO(P46_3)    |
- |     GPIO(P42_3)    |  29 || 30 |        GND         |
- |     GPIO(P42_4)    |  31 || 32 |     GPIO(P15_1)    |
- |     GPIO(P10_0)    |  33 || 34 |        GND         |
- |     GPIO(P9_1)     |  35 || 36 |     RTS2(P48_4)    |
- |     GPIO(P13_1)    |  37 || 38 |   CAN0_RX(P11_0)   |
- |        GND         |  39 || 40 |   CAN0_TX(P10_1)   |
- +--------------------+-----++----+--------------------+
- |      Name/GPIO     |  Physical |      Name/GPIO     |
- +--------------------+--RzBoard--+--------------------+
- "
-   exit 0;
-}
-
-function calc_pinum()
-{
-   pinstr=$1
-
-   group=`echo $pinstr | cut -d_ -f1 | tr -cd "[0-9]"`
-   pin=`echo $pinstr | cut -d_ -f2 | tr -cd "[0-9]"`
-   
-   pinum=`expr $group \* $groupin + $pin + $pinbase`
-   pindir=$sysdir/gpio$pinum
-
-   #echo "INFO: GPIO $pinstr map to pinum[$pinum]"
-}
-
-function export_gpio()
-{
-    if [ -e $pindir ] ; then
-       return ;
-    fi
-
-    echo $pinum > $sysdir/export
-}
-
-function unexport_gpio()
-{
-    if [ ! -e $pindir ] ; then
-       return ;
-    fi
-
-    echo $pinum > $sysdir/unexport
-}
-
-function set_gpio()
-{
-    echo out > $pindir/direction
-    echo $1 > $pindir/value
-}
-
-function read_gpio()
-{
-    echo in > $pindir/direction
-    cat $pindir/value
-}
-
-if [ $# -lt 1 ] ; then
-   usage;
-fi
-
-while getopts "iuvh" OPTNAME
-do
-    case "${OPTNAME}" in
-        "i")
-           direction=in
-           shift
-           ;;
-
-        "u")
-           action=unexport;
-           shift
-           ;;
-
-        "v")
-           show_pinmap;
-           shift
-           ;;
-
-        "h")
-           usage;
-           ;;
-    esac
-done
-
-calc_pinum $1
-
-if [[ $action == unexport ]] ; then
-   unexport_gpio
-   exit;
-fi
-
-export_gpio
-
-if [ $direction == in ] ; then
-   read_gpio
-else
-   set_gpio $2
-fi
diff --git a/booster/test/logger.c b/booster/test/logger.c
deleted file mode 100644
index 851ba9a..0000000
--- a/booster/test/logger.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*********************************************************************************
- *      Copyright:  (C) 2021 LingYun IoT System Studio
- *                  All rights reserved.
- *
- *       Filename:  logger.c
- *    Description:  This file is logger system sample code.
- *
- *        Version:  1.0.0(17/07/21)
- *         Author:  Guo Wenxue <guowenxue@gmail.com>
- *      ChangeLog:  1, Release initial version on "17/07/21 15:51:04"
- *
- ********************************************************************************/
-#include "logger.h"
-
-#define LOG_FILE      "test.log"
-
-int main (int argc, char **argv)
-{
-    int             rv;
-    logger_t        log;
-
-#ifdef LOG_FILE
-    if( log_open(&log, "test.log", LOG_LEVEL_NRML, 512) < 0 )
-#else
-    if( log_open(&log, LOG_STDERR, LOG_LEVEL_DEBUG, LOG_ROLLBACK_NONE) < 0 )
-#endif
-    {
-        fprintf(stderr, "initialise logger system failure, rv=%d\n", rv);
-        return -1;
-    }
-
-    log_info("logger level [information] message\n");
-    log_dbg ("logger level [   debug   ] message\n");
-    log_nrml("logger level [   normal  ] message\n");
-    log_warn("logger level [  warnning ] message\n");
-    log_err ("logger level [    error  ] message\n");
-
-    log_close();
-
-    return 0;
-}
-
diff --git a/booster/test/makefile b/booster/test/makefile
index 43a40ee..27eda01 100644
--- a/booster/test/makefile
+++ b/booster/test/makefile
@@ -1,37 +1,64 @@
+#*********************************************************************************
+#      Copyright:  (C) 2022 Guo Wenxue
+#                  All rights reserved.
+#
+#       Filename:  Makefile
+#    Description:  This Makefile used to compile all the C source code file in current
+#                  folder to respective excutable binary files.
+#
+#        Version:  1.0.0(03/15/2022~)
+#                  Author:  Guo Wenxue <guowenxue@gmail.com>
+#      ChangeLog:  1, Release initial version on "03/15/2022 01:29:33 PM"
+#
+#********************************************************************************/
 
 PWD=$(shell pwd)
+LIB_PATH=$(shell dirname ${PWD})
+LIB_NAME=$(shell basename ${LIB_PATH})
+INSTPATH=/tftp
 
-INST_PATH=/tftp
+#ARCH ?= i386
+#ARCH?=arm926t
+ARCH?=arm920t
 
-LIB_PATH=$(shell dirname ${PWD} )
-LIB_NAME=$(shell basename ${LIB_PATH} )
+#LINK_MODE=STATIC
+MODE=PRODUCTION
+DEBUG=1
 
-CFLAGS+=-I${LIB_PATH}
-LDFLAGS+=-L${LIB_PATH} -l${LIB_NAME} -lpthread
+INSTPATH=/tftp
+
+CROSS_COMPILE?=arm-linux-gnueabihf-
+
+export CC=${CROSS_COMPILE}gcc
+export CXX=${CROSS_COMPILE}g++
+export AR=${CROSS_COMPILE}ar
+export AS=${CROSS_COMPILE}as
+export RANLIB=${CROSS_COMPILE}ranlib
+export STRIP=${CROSS_COMPILE}strip
+
+SRCS = $(wildcard ${VPATH}/*.c)
+OBJS = $(patsubst %.c,%.o,$(SRCS))
 
 SRCFILES = $(wildcard *.c)
 BINARIES=$(SRCFILES:%.c=%)
 
-all: libs binaries
-	@make install
+CFLAGS+=-I${LIB_PATH}
+LDFLAGS+=-L${LIB_PATH} -l${LIB_NAME}
 
-libs:
-	make -C ${LIB_PATH}
+all: binaries install
 
 binaries:  ${BINARIES}
-	@echo " Compile over"
 
 %:  %.c
-	${CROSSTOOL}gcc $(CFLAGS) -o $@ $< $(LDFLAGS)
+	$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
 
 install:
-	cp ${BINARIES} ${INST_PATH}
+	cp $(BINARIES) ${INSTPATH}
 
 clean:
-	@rm -f ${BINARIES}
-	@rm -f *.log
+	@rm -f *.o *.log $(BINARIES)
 
-distclean:
-	@make clean
-	@make clean -C ${LIB_PATH}
-	@rm -f cscope.* tags
+distclean: clean
+	@rm -f  tags cscope*
+
+.PHONY: clean entry
diff --git a/booster/test/test_logger.c b/booster/test/test_logger.c
new file mode 100644
index 0000000..e6ee293
--- /dev/null
+++ b/booster/test/test_logger.c
@@ -0,0 +1,45 @@
+/*********************************************************************************
+ *      Copyright:  (C) 2012 Guo Wenxue <guowenxue@gmail.com>
+ *                  All rights reserved.
+ *
+ *       Filename:  test_logger.c
+ *    Description:  This is the linux logger system test code.
+ *
+ *        Version:  1.0.0(08/08/2012~)
+ *         Author:  Guo Wenxue <guowenxue@gmail.com>
+ *      ChangeLog:  1, Release initial version on "08/08/2012 06:51:40 PM"
+ *
+ ********************************************************************************/
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <libgen.h>
+#include "logger.h"
+
+int main (int argc, char **argv)
+{
+    char    buf[256];
+    int     i;
+
+    for(i=0; i<sizeof(buf); i++)
+        buf[i] = i;
+
+#if 1
+    log_open("console", LOG_LEVEL_DEBUG, 0, LOG_LOCK_DISABLE);
+#else
+    log_open("test.log", LOG_LEVEL_DEBUG, 10, LOG_LOCK_DISABLE);
+#endif
+
+    log_error("This is a errorr message\n");
+    log_warn("This is a warnning message\n");
+    log_info("This is a informat message\n");
+    log_debug("This is a debug message\n");
+    log_trace("This is a trace message\n");
+
+    log_dump(LOG_LEVEL_DEBUG, "Hex dump buffer content:", buf, sizeof(buf));
+
+    log_close();
+    return 0;
+}
+
diff --git a/booster/util_proc.c b/booster/util_proc.c
index a17ea29..dfdabae 100644
--- a/booster/util_proc.c
+++ b/booster/util_proc.c
@@ -13,12 +13,14 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
-#include <libgen.h>
+#include <errno.h>
 #include <fcntl.h>
+#include <libgen.h>
+#include <pthread.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <pthread.h>
 
 #include "util_proc.h"
 #include "logger.h"
@@ -64,7 +66,7 @@
 {
     struct sigaction sigact, sigign;
 
-    log_nrml("Install default signal handler.\n");
+    log_info("Install default signal handler.\n");
 
     /*  Initialize the catch signal structure. */
     sigemptyset(&sigact.sa_mask);
@@ -159,7 +161,7 @@
 
     if( check_daemon_running(pidfile) )
     {
-        log_err("Program already running, process exit now");
+        log_error("Program already running, process exit now");
         return -1;
     }
 
@@ -167,7 +169,7 @@
     {
         if( set_daemon_running(pidfile) < 0 )
         {
-            log_err("set program running as daemon failure\n");
+            log_error("set program running as daemon failure\n");
             return -2;
         }
     }
@@ -175,7 +177,7 @@
     {
         if( record_daemon_pid(pidfile) < 0 )
         {
-            log_err("record program running PID failure\n");
+            log_error("record program running PID failure\n");
             return -3;
         }
     }
@@ -209,7 +211,7 @@
     {
         if (mkdir(ipc_dir, mode) < 0)
         {
-            log_err("cannot create %s: %s\n", ipc_dir, strerror(errno));
+            log_error("cannot create %s: %s\n", ipc_dir, strerror(errno));
             return -1;
         }
 
@@ -225,11 +227,11 @@
         write(fd, pid, strlen(pid));
         close(fd);
 
-        log_dbg("Record PID<%u> to file %s.\n", getpid(), pid_file);
+        log_debug("Record PID<%u> to file %s.\n", getpid(), pid_file);
     }
     else
     {
-        log_err("cannot create %s: %s\n", pid_file, strerror(errno));
+        log_error("cannot create %s: %s\n", pid_file, strerror(errno));
         return -1;
     }
 
@@ -257,7 +259,7 @@
     }
     else
     {
-        log_err("Can't open PID record file %s: %s\n", pid_file, strerror(errno));
+        log_error("Can't open PID record file %s: %s\n", pid_file, strerror(errno));
         return -1;
     }
     return pid;
@@ -356,11 +358,11 @@
 int set_daemon_running(const char *pid_file)
 {
     daemonize(0, 1);
-    log_nrml("Program running as daemon [PID:%d].\n", getpid());
+    log_info("Program running as daemon [PID:%d].\n", getpid());
 
     if (record_daemon_pid(pid_file) < 0)
     {
-        log_err("Record PID to file \"%s\" failure.\n", pid_file);
+        log_error("Record PID to file \"%s\" failure.\n", pid_file);
         return -2;
     }
 
diff --git a/booster/util_proc.h b/booster/util_proc.h
index 4af3cf2..89856c6 100644
--- a/booster/util_proc.h
+++ b/booster/util_proc.h
@@ -15,6 +15,7 @@
 #define __UTIL_PROC_H_
 
 #include <signal.h>
+#include <time.h>
 
 #define PID_ASCII_SIZE  11
 
@@ -59,9 +60,30 @@
  * |   Low level API     |
  * +---------------------+*/
 
-
-
 /* get daemon process ID from $pid_file   */
 extern pid_t get_daemon_pid(const char *pid_file);
 
+/* +------------------------+
+ * |  inline functions API  |
+ * +------------------------+*/
+static inline void msleep(unsigned long ms)
+{
+    struct timespec cSleep;
+    unsigned long ulTmp;
+
+    cSleep.tv_sec = ms / 1000;
+    if (cSleep.tv_sec == 0)
+    {
+        ulTmp = ms * 10000;
+        cSleep.tv_nsec = ulTmp * 100;
+    }
+    else
+    {
+        cSleep.tv_nsec = 0;
+    }
+
+    nanosleep(&cSleep, 0);
+    return ;
+}
+
 #endif

--
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