From 8da36d4f82336087de47f5eadcf2373f4843e292 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Mon, 24 Jun 2019 20:30:41 +0800
Subject: [PATCH] update mqttd program, add relay and beep code
---
mqttd/modules/sht20.h | 0
mqttd/modules/beep.h | 44 +++++++
mqttd/modules/ds18b20.c | 0
mqttd/modules/led.h | 0
mqttd/modules/led.c | 4
mqttd/modules/relay.h | 29 ++++
mqttd/modules/beep.c | 202 +++++++++++++++++++++++++++++++++
mqttd/modules/ds18b20.h | 0
mqttd/modules/sht20.c | 0
mqttd/modules/relay.c | 36 ++++++
10 files changed, 313 insertions(+), 2 deletions(-)
diff --git a/mqttd/modules/beep.c b/mqttd/modules/beep.c
new file mode 100644
index 0000000..6f4816d
--- /dev/null
+++ b/mqttd/modules/beep.c
@@ -0,0 +1,202 @@
+/*********************************************************************************
+ * Copyright: (C) 2018 LingYun IoT System Studio
+ * All rights reserved.
+ *
+ * Filename: led.c
+ * Description: This file is used to control Passive buzzer or Active buzzer
+ *
+ * pi@raspberrypi:~ $ gpio readall show BCM and wPi pinmap
+ *
+ * VCC ---- 5V/3.3V
+ * GND ---- GND
+ * I/O ---- GPIO.18 ---- GPIO.1
+ * BCM wPi
+ *
+ * Version: 1.0.0(2018/10/14)
+ * Author: Guo Wenxue <guowenxue@gmail.com>
+ * ChangeLog: 1, Release initial version on "2018/10/14 12:13:26"
+ *
+ ********************************************************************************/
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <string.h>
+#include <time.h>
+#include <errno.h>
+
+#include <wiringPi.h>
+#include "beep.h"
+
+/*+-----------------------------+
+ *| Turn buzzer on or off API |
+ *+-----------------------------+*/
+
+int turn_passive_beep(int cmd, int freq)
+{
+ int range;
+
+ if(OFF == cmd)
+ {
+ pwmWrite(PWM_PIN, 0);
+ pinMode(PWM_PIN, INPUT) ;
+ }
+ else
+ {
+
+ if(freq<2000 || freq>5000)
+ {
+ printf("Beep set invalid PWM frequency[%d]!\n", freq);
+ return -1;
+ }
+
+ /* Set GPIO as PWM output mode */
+ pinMode(PWM_PIN, PWM_OUTPUT) ;
+
+ /* Set PWM mode as ms mode */
+ pwmSetMode(PWM_MODE_MS);
+
+ /* Set PWM clock: 19.2MHz/32=600KHz */
+ pwmSetClock(32);
+
+ /* Set PWM frequency */
+ range=600000/freq;
+ pwmSetRange(range);
+
+ /* Set PWM duty 50% */
+ pwmWrite(PWM_PIN, range/2);
+ }
+}
+
+
+/* Turn ON/OFF buzzer, Active Buzzer can not set frequency */
+int turn_active_beep(int cmd)
+{
+ /* Active buzzer VCC connect to:
+ 5V: Both high and low level will be on
+ 3.3V: Low level be on and High level be off
+ So we use INPUT or OUTPUT to control the Beeper
+ */
+ if(OFF == cmd)
+ {
+ pinMode(PWM_PIN, INPUT);
+ }
+ else
+ {
+ pinMode(PWM_PIN, OUTPUT);
+ digitalWrite(PWM_PIN, LOW);
+ }
+
+ return 0;
+}
+
+
+/*+---------------------------------+
+ *| Play Tone OD,RE,MI....XI,DO1 |
+ *+---------------------------------+*/
+
+enum
+{
+ UNUSED=0,
+ DO,
+ RE,
+ MI,
+ FA,
+ SO,
+ LA,
+ XI,
+ DO1,
+ RI1,
+ TONE_MAX,
+};
+
+#define msleep(x) usleep( 1000*(x) )
+
+static int tone_freq[TONE_MAX]={0, 2093, 2349, 2637, 2794, 3136, 3520, 3952, 4186, 4698 };
+//static int tone_freq[TONE_MAX]={0, 2000, 2130, 2250, 2360, 2450, 2530, 2620, 2700, 2780};
+
+static inline void play_tone(int tone, int delay)
+{
+ if(tone<DO || tone>RI1)
+ return ;
+
+ turn_passive_beep(ON, tone_freq[tone]);
+ msleep(delay);
+ turn_passive_beep(OFF, 0);
+}
+
+void play_tone_freq(void)
+{
+ int i;
+
+ for(i=DO; i<TONE_MAX; i++)
+ {
+ play_tone( i, 500 );
+ msleep(500);
+ }
+}
+
+
+/*+------------------------------+
+ *| Play song "Little Start" |
+ *+------------------------------+*/
+
+typedef struct tone_s
+{
+ int tone;
+ int delay_ms;
+
+} tone_t;
+
+#define DEF_DELAY 350
+static tone_t little_start_notation[]=
+{
+ {DO, DEF_DELAY},
+ {DO, DEF_DELAY},
+ {SO, DEF_DELAY},
+ {SO, DEF_DELAY},
+ {LA, DEF_DELAY},
+ {LA, DEF_DELAY},
+ {SO, DEF_DELAY*2},
+
+ {FA, DEF_DELAY},
+ {FA, DEF_DELAY},
+ {MI, DEF_DELAY},
+ {MI, DEF_DELAY},
+ {RE, DEF_DELAY},
+ {RE, DEF_DELAY},
+ {DO, DEF_DELAY*2},
+
+
+ {SO, DEF_DELAY},
+ {SO, DEF_DELAY},
+ {FA, DEF_DELAY},
+ {FA, DEF_DELAY},
+ {MI, DEF_DELAY},
+ {MI, DEF_DELAY},
+ {RE, DEF_DELAY*2},
+
+
+ {SO, DEF_DELAY},
+ {SO, DEF_DELAY},
+ {FA, DEF_DELAY},
+ {FA, DEF_DELAY},
+ {MI, DEF_DELAY},
+ {MI, DEF_DELAY},
+ {RE, DEF_DELAY*2},
+};
+
+#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
+void play_little_star(void)
+{
+ int i;
+
+ for(i=0; i<ARRAY_SIZE(little_start_notation); i++)
+ {
+ play_tone(little_start_notation[i].tone, little_start_notation[i].delay_ms);
+ msleep(30);
+ }
+}
+
+
diff --git a/mqttd/modules/beep.h b/mqttd/modules/beep.h
new file mode 100644
index 0000000..3704a8c
--- /dev/null
+++ b/mqttd/modules/beep.h
@@ -0,0 +1,44 @@
+/*********************************************************************************
+ * Copyright: (C) 2018 LingYun IoT System Studio
+ * All rights reserved.
+ *
+ * Filename: beep.h
+ * Description: This file is used to control Passive buzzer or Active buzzer
+ *
+ * pi@raspberrypi:~ $ gpio readall show BCM and wPi pinmap
+ *
+ * VCC ---- 5V/3.3V
+ * GND ---- GND
+ * I/O ---- GPIO.18 ---- GPIO.1
+ * BCM wPi
+ *
+ * Version: 1.0.0(2018/10/14)
+ * Author: Guo Wenxue <guowenxue@gmail.com>
+ * ChangeLog: 1, Release initial version on "2018/10/14 12:13:26"
+ *
+ ********************************************************************************/
+
+#ifndef __BEEP_H
+#define __BEEP_H
+
+#define OFF 0
+#define ON 1
+
+//#define CONFIG_ACTV_BEEP
+
+#define BEEP_FREQ 2400
+
+/* Use Pin12 == GPIO18(BCM) == GPIO.1(wPi) */
+#define PWM_PIN 1
+
+int turn_passive_beep(int cmd, int freq);
+
+int turn_active_beep(int cmd);
+
+/* Only passive buzzer can play tone */
+#ifndef CONFIG_ACTV_BEEP
+void play_little_star(void);
+#endif
+
+#endif
+
diff --git a/mqttd/ds18b20.c b/mqttd/modules/ds18b20.c
similarity index 100%
rename from mqttd/ds18b20.c
rename to mqttd/modules/ds18b20.c
diff --git a/mqttd/ds18b20.h b/mqttd/modules/ds18b20.h
similarity index 100%
rename from mqttd/ds18b20.h
rename to mqttd/modules/ds18b20.h
diff --git a/mqttd/led.c b/mqttd/modules/led.c
similarity index 98%
rename from mqttd/led.c
rename to mqttd/modules/led.c
index 23a4181..c51b637 100644
--- a/mqttd/led.c
+++ b/mqttd/modules/led.c
@@ -33,8 +33,8 @@
void init_led(void)
{
- int i;
-
+ int i;
+
wiringPiSetup();
for(i=0; i<LED_MAX; i++)
diff --git a/mqttd/led.h b/mqttd/modules/led.h
similarity index 100%
rename from mqttd/led.h
rename to mqttd/modules/led.h
diff --git a/mqttd/modules/relay.c b/mqttd/modules/relay.c
new file mode 100644
index 0000000..8676837
--- /dev/null
+++ b/mqttd/modules/relay.c
@@ -0,0 +1,36 @@
+/*********************************************************************************
+ * Copyright: (C) 2019 LingYun IoT System Studio
+ * All rights reserved.
+ *
+ * Filename: relay.c
+ * Description: This file
+ *
+ * Version: 1.0.0(30/01/19)
+ * Author: Guo Wenxue <guowenxue@gmail.com>
+ * ChangeLog: 1, Release initial version on "30/01/19 08:44:30"
+ *
+ ********************************************************************************/
+
+
+#include <wiringPi.h>
+#include "relay.h"
+
+void relay_init(void)
+{
+ wiringPiSetup();
+ pinMode(RELAY_PIN, OUTPUT);
+}
+
+
+void turn_relay(int cmd)
+{
+ if( OFF == cmd )
+ {
+ digitalWrite ( RELAY_PIN, HIGH );
+ }
+ else
+ {
+ digitalWrite ( RELAY_PIN, LOW );
+ }
+}
+
diff --git a/mqttd/modules/relay.h b/mqttd/modules/relay.h
new file mode 100644
index 0000000..af47779
--- /dev/null
+++ b/mqttd/modules/relay.h
@@ -0,0 +1,29 @@
+/********************************************************************************
+ * Copyright: (C) 2019 LingYun IoT System Studio
+ * All rights reserved.
+ *
+ * Filename: relay.h
+ * Description: This head file
+ *
+ * Version: 1.0.0(30/01/19)
+ * Author: Guo Wenxue <guowenxue@gmail.com>
+ * ChangeLog: 1, Release initial version on "30/01/19 08:49:31"
+ *
+ ********************************************************************************/
+
+#ifndef _RELAY_H_
+#define _RELAY_H_
+
+#ifndef ON
+#define ON 1
+#define OFF 0
+#endif
+
+/* I/O Pin connected to PIN#18, BCM code pin number is 24 and wPi pin number is 5 */
+#define RELAY_PIN 5
+
+void relay_init(void);
+void turn_relay(int cmd);
+
+#endif /* ----- #ifndef _RELAY_H_ ----- */
+
diff --git a/mqttd/sht20.c b/mqttd/modules/sht20.c
similarity index 100%
rename from mqttd/sht20.c
rename to mqttd/modules/sht20.c
diff --git a/mqttd/sht20.h b/mqttd/modules/sht20.h
similarity index 100%
rename from mqttd/sht20.h
rename to mqttd/modules/sht20.h
--
Gitblit v1.9.1