From 732d1963ed83abf4e5f1b06ec451a6943421d716 Mon Sep 17 00:00:00 2001
From: Guo Wenxue <guowenxue@gmail.com>
Date: Thu, 22 Sep 2022 00:36:11 +0800
Subject: [PATCH] update ds18b20.c to snprintf

---
 mqttd/main.c |  205 ++++++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 160 insertions(+), 45 deletions(-)

diff --git a/mqttd/main.c b/mqttd/main.c
index c66d8c7..f021966 100644
--- a/mqttd/main.c
+++ b/mqttd/main.c
@@ -29,6 +29,10 @@
 #define PROG_VERSION               "v1.0.0"
 #define DAEMON_PIDFILE             "/tmp/.mqtt.pid"
 
+#define FLAG_DETECTD        (1<<0)
+#define FLAG_RELAYON        (1<<1)
+int g_breakin_flag = 0;  /* relay already turn on and wait to off  */
+
 int check_set_program_running(int daemon);
 void *mqtt_sub_worker(void *args);
 void *mqtt_pub_worker(void *args);
@@ -49,6 +53,16 @@
     return;
 }
 
+void turn_light_off(int signum)
+{
+    if( g_breakin_flag&FLAG_RELAYON ) 
+    {
+        log_nrml("fill-in light timeout and turn light off now\n");
+        turn_relay(OFF);
+    }
+
+    g_breakin_flag = 0;
+}
 
 int main (int argc, char **argv)
 {
@@ -61,6 +75,7 @@
     int                debug = 0;
     int                opt;
     char              *progname=NULL;
+    double             lux = 0.0;
 
     struct option long_options[] = {
         {"conf", required_argument, NULL, 'c'},
@@ -109,21 +124,26 @@
         return -2;
     }
 
-#if 0
-    if( hal_init() < 0 )
+    if( hal_init(&ctx.hwconf) < 0 )
     {
         log_err("Initialise hardware failure\n");
-        return -1;
+        return -3;
     }
-    log_nrml("HAL initialise ok\n");
-#endif
-    
+    else 
+    {
+        log_nrml("HAL initialise ok\n");
+    }
+
     install_proc_signal();
+
+    if( ctx.hwconf.fillin_light )
+    {
+        log_nrml("Install inbreak detected fill-in light off signal\n");
+        signal(SIGALRM, turn_light_off);
+    }
 
     if( check_set_program_running(daemon) < 0 ) 
         goto OUT;
-
-    if( !debug )
 
     mosquitto_lib_init();
 
@@ -141,10 +161,54 @@
     }
     log_nrml("Start MQTT publisher worker thread ok\n");
 
-
     while( ! g_signal.stop )
     {
         msleep(1000);
+
+        if( ctx.hwconf.infrared_pin && !g_breakin_flag )
+        {
+            //log_nrml("infrared dected human incoming\n");
+            if( infrared_detect(1000) )
+            {
+                log_nrml("Someone incoming detected by infrared\n");
+                g_breakin_flag |= FLAG_DETECTD; 
+                
+                /* setup alarm to turn relay off or clear the flag */
+                alarm(ctx.hwconf.light_intval);
+
+                if( ctx.hwconf.inbreak_beep )
+                {
+                    turn_beep(ctx.hwconf.beep_times);
+                }
+
+                if( ctx.hwconf.fillin_light==FILLIN_LIGHT_ON && !g_breakin_flag )
+                {
+                    log_nrml("Force fill-in light on and will be off in [%d] seconds\n", ctx.hwconf.light_intval);
+                    turn_relay(ON);
+                    g_breakin_flag |= FLAG_RELAYON;
+                }
+                else if( ctx.hwconf.fillin_light==FILLIN_LIGHT_AUTO && ctx.hwconf.lux )
+                {
+                    lux = tsl2561_get_lux(); 
+                    log_nrml("TSL2516 detect illumination intensity %.3flux and threshold %.3flux\n", 
+                            lux, ctx.hwconf.lux_threshold);
+
+                    /* only lux<0.01 will turn on light */
+                    if( lux-0.001 > ctx.hwconf.lux_threshold)
+                    {
+                        log_nrml("Illumination intensity enuf, no need fill-in light\n");
+                    }
+                    else
+                    {
+                        log_nrml("Auto fill-in light on and will be off in [%d] seconds\n", ctx.hwconf.light_intval);
+                        turn_relay(ON);
+                        g_breakin_flag |= FLAG_RELAYON;
+                    }
+                }
+
+            }
+        
+        }
         //log_nrml("Main control thread continue running\n");
     }
 
@@ -155,7 +219,6 @@
     
     return 0;
 } /* ----- End of main() ----- */
-
 
 int check_set_program_running(int daemon)
 {
@@ -191,9 +254,8 @@
     mqtt_ctx_t             *ctx = (mqtt_ctx_t *)userdata;
     int                     rv = 0;
     char                    msg[128];  
-    float                   temp = 25.64;
-    float                   rh = 65.35;
-    char                    light[] = "on";
+    float                   temp = 0.0; /* temperature */
+    float                   rh = 0.0;   /* relative humidity */
     int                     retain = 0;
 
     if( result )
@@ -204,32 +266,47 @@
     
     log_nrml("Publisher connect to broker server[%s:%d] successfully\n", ctx->host, ctx->port); 
 
-    memset(msg, 0, sizeof(msg));
-    snprintf(msg, sizeof(msg), "{ \"temp\":\"%.2f\",  \"R&H\":\"%.2f%%\" }", temp, rh);
+    if( ctx->hwconf.ds18b20 )
+    {
+        memset(msg, 0, sizeof(msg));
+        
+        if( ds18b20_get_temperature(&temp) < 0 )
+            snprintf(msg, sizeof(msg), "{ \"id\":%s, \"temp\":\"error\" }", ctx->id);
+        else 
+            snprintf(msg, sizeof(msg), "{ \"id\":%s, \"temp\":\"%.2f\" }", ctx->id, temp);
 
-    rv = mosquitto_publish(mosq, NULL, ctx->pubTopic, strlen(msg)+1, msg, ctx->pubQos, retain);
-    if( rv )
-    {
-        log_err("Publisher broadcast message '%s' failure: %d\n", msg, rv);
-    }
-    else 
-    {
-        log_nrml("Publisher broadcast message '%s' ok\n", msg);
+        rv = mosquitto_publish(mosq, NULL, ctx->pubTopic, strlen(msg), msg, ctx->pubQos, retain);
+        if( rv )
+        {
+            log_err("Publisher broadcast message '%s' failure: %d\n", msg, rv);
+        }
+        else 
+        {
+            log_nrml("Publisher broadcast message '%s' ok\n", msg);
+        }
     }
 
-    memset(msg, 0, sizeof(msg));
-    snprintf(msg, sizeof(msg), "{ \"light\":\"%s\" }", light);
+    if( ctx->hwconf.sht2x )
+    {
+        memset(msg, 0, sizeof(msg));
+        
+        if( sht2x_get_temp_humidity(&temp, &rh) < 0 )
+            snprintf(msg, sizeof(msg), "{ \"id\":%s, \"temp\":\"error\", \"RH\":\"error\" }", ctx->id);
+        else 
+            snprintf(msg, sizeof(msg), "{ \"id\":%s, \"temp\":\"%.2f\", \"RH\":\"%.2f\" }", ctx->id, temp, rh);
 
-    rv = mosquitto_publish(mosq, NULL, ctx->pubTopic, strlen(msg)+1, msg, ctx->pubQos, retain);
-    if( rv )
-    {
-        log_err("Publisher broadcast message failure: %d\n", rv);
-    }
-    else 
-    {
-        log_nrml("Publisher broadcast message '%s' ok\n", msg);
+        rv = mosquitto_publish(mosq, NULL, ctx->pubTopic, strlen(msg), msg, ctx->pubQos, retain);
+        if( rv )
+        {
+            log_err("Publisher broadcast message '%s' failure: %d\n", msg, rv);
+        }
+        else 
+        {
+            log_nrml("Publisher broadcast message '%s' ok\n", msg);
+        }
     }
 
+    
     log_nrml("Publisher broadcast over and disconnect broker now\n", ctx->host, ctx->port); 
     mosquitto_disconnect(mosq);
 
@@ -300,13 +377,21 @@
     log_warn("Subscriber disconnect to broker server[%s:%d], reason=%d\n", ctx->host, ctx->port, result); 
 }
 
+static inline void mqtt_turn_led(int which, char *cmd)
+{ 
+    if( strcasestr(cmd, "on") )
+        turn_led(which, ON);
+    else if( strcasestr(cmd, "off") )
+        turn_led(which, OFF);
+}
 
-void proc_json_items(cJSON *root)
+void proc_json_items(cJSON *root, mqtt_ctx_t *ctx)
 {
     int                    i;
     char                  *value;
     cJSON                 *item; 
     cJSON                 *array;
+    hwconf_t              *hwconf = &ctx->hwconf;
 
     if( !root )
     {
@@ -323,12 +408,12 @@
         /* if item is cJSON_Object, then recursive call proc_json */
         if( cJSON_Object == item->type )
         {
-            proc_json_items(item);
+            proc_json_items(item, ctx);
         }
         else if( cJSON_Array == item->type )
         {
             /* RGB colors led control  */
-            if( !strcasecmp(item->string, "led") )
+            if( hwconf->leds && !strcasecmp(item->string, "led") )
             {
                 array = cJSON_GetArrayItem(item, 0);
                 if( NULL != array )
@@ -338,16 +423,19 @@
                     if( NULL != (led_item=cJSON_GetObjectItem(array , "red")) )
                     {
                         log_nrml("turn red led '%s'\n", led_item->valuestring);
+                        mqtt_turn_led(LED_R, led_item->valuestring);
                     }
 
                     if( NULL != (led_item=cJSON_GetObjectItem(array , "green")) )
                     {
                         log_nrml("turn green led '%s'\n", led_item->valuestring);
+                        mqtt_turn_led(LED_G, led_item->valuestring);
                     }
 
                     if( NULL != (led_item=cJSON_GetObjectItem(array , "blue")) )
                     {
                         log_nrml("turn blue led '%s'\n", led_item->valuestring);
+                        mqtt_turn_led(LED_B, led_item->valuestring);
                     }
                 }
             }
@@ -357,28 +445,34 @@
             value = cJSON_Print(item);
 
             /* light controled by relay */
-            if( !strcasecmp(item->string, "light") )
+            if( hwconf->relay_pin && !strcasecmp(item->string, "light") )
             {
                 if( strcasestr(value, "on") )
                 {
                     log_nrml("Turn light on\n");
+                    turn_relay(ON);
                 }
                 else if( strcasestr(value, "off") )
                 {
                     log_nrml("Turn light off\n");
+                    turn_relay(OFF);
                 }
             }
 
             /* buzzer */
-            if( !strcasecmp(item->string, "buzzer") )
+            if( hwconf->beep_pin && !strcasecmp(item->string, "buzzer") )
             {
                 if( strcasestr(value, "on") )
                 {
-                    log_nrml("Turn buzzer on\n");
+		    turn_passive_beep(ON, BEEP_FREQ);
                 }
-                else if( strcasestr(value, "music") )
+		else if( strcasestr(value, "off") )
                 {
-                    log_nrml("Turn buzzer play music\n");
+		    turn_passive_beep(OFF, BEEP_FREQ);
+                }
+		else if( strcasestr(value, "music") )
+                { 
+		    play_little_star();
                 }
             }
 
@@ -390,8 +484,11 @@
 
 void sub_message_callback(struct mosquitto *mosq, void *userdata, const struct mosquitto_message *message)
 {
-    cJSON                 *root = NULL;
-    char                  *out;
+    mqtt_ctx_t             *ctx = (mqtt_ctx_t *)userdata;
+
+    cJSON                  *root = NULL;
+    cJSON                  *item;
+    char                   *value;
 
 
     if ( !message->payloadlen )
@@ -400,7 +497,7 @@
         return ;
     }
 
-    log_nrml("Subscriber receive message: '%s'\n", message->payload);
+    log_dbg("Subscriber receive message: '%s'\n", message->payload);
 
     root = cJSON_Parse(message->payload);
     if( !root )
@@ -409,8 +506,26 @@
         return ;
     }
 
-    proc_json_items(root); 
+    item = cJSON_GetObjectItem(root, "id");
+    if( !item )
+    {
+        log_err("cJSON_Parse get ID failure: %s\n", cJSON_GetErrorPtr());
+        goto OUT;
+    }
 
+    value = cJSON_PrintUnformatted(item);
+    if( strcasecmp(value, ctx->id) )
+    {
+        free(value);
+        goto OUT;
+    }
+    
+    free(value); 
+    log_nrml("Subscriber receive message: '%s'\n", message->payload);
+
+    proc_json_items(root, ctx); 
+
+OUT:
     cJSON_Delete(root); /* must delete it, or it will result memory leak */
     return ;
 }

--
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