From 8d8ac376754738b12cfa8bb02994b0ecca805163 Mon Sep 17 00:00:00 2001
From: Guo Wenxue <guowenxue@gmail.com>
Date: Sat, 11 Jan 2025 15:10:02 +0800
Subject: [PATCH] Update iotd to add enable switch for publish
---
modules/w25qflash.c | 128 ++++++++++++++++++------------------------
1 files changed, 55 insertions(+), 73 deletions(-)
diff --git a/modules/w25qflash.c b/modules/w25qflash.c
index 345f0b6..db20abd 100644
--- a/modules/w25qflash.c
+++ b/modules/w25qflash.c
@@ -1,16 +1,25 @@
/*********************************************************************************
- * Copyright: (C) 2023 LingYun IoT System Studio. All Rights Reserved.
+ * Copyright: (C) 2023 LingYun IoT System Studio
+ * All rights reserved.
+ *
+ * Filename: at24c.c
+ * Description: This file is AT24Cxx EEPROM code
+ *
+ * Version: 1.0.0(10/08/23)
* Author: Guo Wenxue <guowenxue@gmail.com>
+ * ChangeLog: 1, Release initial version on "10/08/23 17:52:00"
*
- * Description: This file is W25Qxx SPI Norflash driver on RaspberryPi 40Pin.
+ * Pin connection:
+ * W25QXX Raspberry Pi 40Pin
+ * VCC <---> Pin#1 (3.3V)
+ * CS <---> Pin#24(CS)
+ * DO <---> Pin#21(MISO)
+ * GND <---> Pin#9 (GND)
+ * CLK <---> Pin#23(SCLK)
+ * DI <---> Pin#19(MOSI)
*
- * W25QXX RaspberryPi 40Pin
- * VCC <---> 3.3V(Pin#1)
- * CS <---> CS(Pin#24)
- * DO <---> MISO(Pin#21)
- * GND <---> GND(Pin#9)
- * CLK <---> SCLK(Pin#23)
- * DI <---> MOSI(Pin#19)
+ * /boot/config.txt:
+ * dtparam=spi=on
*
********************************************************************************/
@@ -46,7 +55,7 @@
*| Entry Functions |
*+-----------------------+*/
-void dump_buf(const char *prompt, char *buf, size_t len);
+void dump_buf(const char *prompt, char *buffer, size_t length);
int main (int argc, char **argv)
{
@@ -745,9 +754,9 @@
} while ((buf[1] & 0x01) == 0x01);
}
-/*+----------------+
- *| dump_buf |
- *+----------------+*/
+/*+----------------------+
+ *| Misc functions |
+ *+----------------------+*/
void print_buf(const char *prompt, uint8_t *buf, int size)
{
@@ -772,74 +781,47 @@
return ;
}
-#define LINELEN 81
-#define CHARS_PER_LINE 16
-static char *print_char =
-" "
-" "
-" !\"#$%&'()*+,-./"
-"0123456789:;<=>?"
-"@ABCDEFGHIJKLMNO"
-"PQRSTUVWXYZ[\\]^_"
-"`abcdefghijklmno"
-"pqrstuvwxyz{|}~ "
-" "
-" "
-" ???????????????"
-"????????????????"
-"????????????????"
-"????????????????"
-"????????????????"
-"????????????????";
-
-void dump_buf(const char *prompt, char *buf, size_t len)
+void dump_buf(const char *prompt, char *buffer, size_t length)
{
- int rc;
- int idx;
- char prn[LINELEN];
- char lit[CHARS_PER_LINE + 2];
- char hc[4];
- short line_done = 1;
+ size_t i, j;
- if( prompt )
- printf("%s", prompt);
-
- rc = len;
- idx = 0;
- lit[CHARS_PER_LINE] = '\0';
-
- while (rc > 0)
+ if (prompt)
{
- if (line_done)
- snprintf(prn, LINELEN, "%08X: ", idx);
-
- do
- {
- unsigned char c = buf[idx];
- snprintf(hc, 4, "%02X ", c);
- strncat(prn, hc, LINELEN);
-
- lit[idx % CHARS_PER_LINE] = print_char[c];
- }
- while (--rc > 0 && (++idx % CHARS_PER_LINE != 0));
-
- line_done = (idx % CHARS_PER_LINE) == 0;
- if (line_done)
- {
- printf("%s %s\r\n", prn, lit);
- }
+ printf("%s\n", prompt);
}
- if (!line_done)
+ for (i = 0; i < length; i += 16)
{
- int ldx = idx % CHARS_PER_LINE;
- lit[ldx++] = print_char[(int)buf[idx]];
- lit[ldx] = '\0';
+ printf("%08zx: ", i);
- while ((++idx % CHARS_PER_LINE) != 0)
- strncat(prn, " ", sizeof(prn)-strlen(prn));
+ for (j = 0; j < 16; j++)
+ {
+ if (i + j < length)
+ {
+ printf("%02x ", buffer[i + j]);
+ }
+ else
+ {
+ printf(" ");
+ }
+ }
- printf("%s %s\r\n", prn, lit);
+ printf(" ");
+ for (j = 0; j < 16; j++)
+ {
+ if (i + j < length)
+ {
+ unsigned char c = buffer[i + j];
+ printf("%c", (c >= 32 && c <= 126) ? c : '.');
+ }
+ else
+ {
+ printf(" ");
+ }
+ }
+
+ printf("\n");
}
}
+
--
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