From 9e2630a8f3887df3d8f11ee6a27d0d34b331ef28 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Tue, 18 Nov 2025 11:21:53 +0800
Subject: [PATCH] update thingsboard defconfig file
---
project/lightd/lightd.c | 164 +++++++++++++++++++++++++++++++++++-------------------
1 files changed, 106 insertions(+), 58 deletions(-)
diff --git a/project/lightd/lightd.c b/project/lightd/lightd.c
index 158a3dd..22ce0cb 100644
--- a/project/lightd/lightd.c
+++ b/project/lightd/lightd.c
@@ -26,18 +26,17 @@
#include "util_proc.h"
#include "config.h"
#include "tsl2561.h"
+#include "ds18b20.h"
#define PROG_VERSION "v1.0.0"
#define DAEMON_PIDFILE "/tmp/.lightd.pid"
-int check_sample_time(time_t *last_time, int interval);
-void *thingsboard_subsciber(void *args);
-void *thingsboard_publisher(void *args);
+void *thingsboard_worker(void *args);
static void program_usage(char *progname)
{
printf("Usage: %s [OPTION]...\n", progname);
- printf(" %s is LingYun studio MQTT daemon program running on RaspberryPi\n", progname);
+ printf(" %s is LingYun studio lightd program running on RaspberryPi\n", progname);
printf("\nMandatory arguments to long options are mandatory for short options too:\n");
printf(" -b[daemon ] Running in daemon mode\n");
@@ -127,17 +126,13 @@
/* initial gpio hardware */
gpio_init(&hwinfo->gpio);
- /*
- * +--------------------------------+
- * | MQTT Subscriber Thread |
- * +--------------------------------+
- */
- if( thread_start(&tid, thingsboard_subsciber, &ctx.mqtt ) < 0 )
+ /* start thingsboard MQTT thread */
+ if( thread_start(&tid, thingsboard_worker, &ctx.mqtt ) < 0 )
{
- log_error("Start MQTT subsciber worker thread failure\n");
+ log_error("Start thingsboard MQTT worker thread failure\n");
goto cleanup;
}
- log_info("Start MQTT subsciber worker thread ok\n");
+ log_info("Start thingsboard MQTT worker thread ok\n");
/*
* +--------------------------------+
@@ -148,12 +143,22 @@
while( ! g_signal.stop )
{
/* TSL2561 update lux in every 5 minutes */
- if(check_sample_time(&last_time, 300))
+ if(check_timeout(&last_time, 300))
{
+ /* The TSL2561 sensor is not present, do not turn on the light */
+ if( !hwinfo->tsl2561 )
+ {
+ log_error("TSL2561 is not present, do not turn on the light\n");
+ lux = hwinfo->lux_threshold + 100.0;
+ goto nextloop;
+ }
+
+ /* The TSL2561 sensor failed, do not turn on the light */
if( tsl2561_get_lux(&lux) < 0 )
{
- log_error("TSL2561 sample Lux failed\n");
+ log_error("TSL2561 sample failed, do not turn on the light\n");
lux = hwinfo->lux_threshold + 100.0;
+ goto nextloop;
}
if( lux > hwinfo->lux_threshold )
@@ -162,12 +167,13 @@
log_info("Lux[%.3f] <= Treshold[%.3f], need auto light\n", lux, hwinfo->lux_threshold);
}
+ /* It's bright enough, no lighting is needed */
if( lux > hwinfo->lux_threshold )
{
- sleep(1);
- continue;
+ goto nextloop;
}
+ /* It's not bright enough, lighting is necessary */
rv = infrared_detect();
if( rv != 0 )
{
@@ -182,7 +188,8 @@
turn_light("hallway", OFF);
}
- msleep(100);
+nextloop:
+ sleep(1);
}
cleanup:
@@ -192,43 +199,51 @@
return 0;
}
-int check_sample_time(time_t *last_time, int interval)
+/*
+ * +--------------------------------+
+ * | ThingsBoard MQTT Thread |
+ * +--------------------------------+
+ */
+
+/* process publisher(uplink) data */
+void pub_connect_callback(struct mosquitto *mosq, void *userdata, int result)
{
- int need = 0; /* no need sample now */
- time_t now;
+ mqtt_ctx_t *mqtt = (mqtt_ctx_t *)userdata;
+ iotd_ctx_t *iotd = to_iotd(mqtt);
+ int rv = 0;
+ char msg[128];
+ float temp = 0.0; /* temperature */
+ int retain = 0;
+ static time_t last_time = 0;
- time(&now);
-
- if( difftime(now, *last_time)>interval )
- {
- need = 1; /* need sample now */
- *last_time = now;
- }
-
- return need;
-}
-
-void sub_connect_callback(struct mosquitto *mosq, void *userdata, int result)
-{
- mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata;
-
- if( result )
- {
- log_error("Subscriber connect to broker server failed, rv=%d\n", result);
+ /* publish time is not arrive */
+ if( !check_timeout(&last_time, mqtt->interval) )
return ;
+
+ log_debug("Publish topic '%s'\n", mqtt->pubTopic);
+ if( iotd->hwinfo.ds18b20 )
+ {
+ log_debug("DS18B20 temperature sensor enabled, start broadcast it\n");
+ if( ds18b20_get_temperature(&temp)<0 )
+ return ;
+
+ memset(msg, 0, sizeof(msg));
+ snprintf(msg, sizeof(msg), "{\"temperature\":%.2f}", temp);
+ rv = mosquitto_publish(mosq, NULL, mqtt->pubTopic, strlen(msg), msg, mqtt->pubQos, retain);
+ if( rv )
+ {
+ log_error("Publisher broadcast message '%s' failure: %d\n", msg, rv);
+ }
+ else
+ {
+ log_info("Publisher broadcast message '%s' ok\n", msg);
+ }
}
- log_info("Subscriber connect to broker server[%s:%d] successfully\n", ctx->host, ctx->port);
- mosquitto_subscribe(mosq, NULL, ctx->subTopic, ctx->subQos);
+ return ;
}
-void sub_disconnect_callback(struct mosquitto *mosq, void *userdata, int result)
-{
- mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata;
-
- log_warn("Subscriber disconnect to broker server[%s:%d], reason=%d\n", ctx->host, ctx->port, result);
-}
-
+/* process subscriber(downlink) data */
void proc_json_items(cJSON *root, mqtt_ctx_t *ctx)
{
cJSON *item_method;
@@ -282,8 +297,6 @@
}
status = cJSON_IsTrue(item_status) ? ON : OFF;
- log_info("parser JSON message to control '%s' status '%d'\n", device, status);
-
/* 映射 Light 名称并调用控制函数 */
if ( strstr(device, "Indoor") || strstr(device, "indoor"))
{
@@ -318,6 +331,7 @@
return ;
}
+ /* process receive message data */
proc_json_items(root, ctx);
/* must delete it, or it will result memory leak */
@@ -326,11 +340,33 @@
return ;
}
-void *thingsboard_subsciber(void *args)
+void mqtt_connect_callback(struct mosquitto *mosq, void *userdata, int result)
+{
+ mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata;
+
+ if( result )
+ {
+ log_error("mosquitto connect to broker server failed, rv=%d\n", result);
+ return ;
+ }
+
+ log_info("mosquitto connect to broker server[%s:%d] successfully\n", ctx->host, ctx->port);
+ mosquitto_subscribe(mosq, NULL, ctx->subTopic, ctx->subQos);
+}
+
+void mqtt_disconnect_callback(struct mosquitto *mosq, void *userdata, int result)
+{
+ mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata;
+
+ log_warn("mosquitto disconnect to broker server[%s:%d], reason=%d\n", ctx->host, ctx->port, result);
+}
+
+void *thingsboard_worker(void *args)
{
mqtt_ctx_t *ctx = (mqtt_ctx_t *)args;
struct mosquitto *mosq;
bool session = true;
+ int rv = 0;
mosq = mosquitto_new(ctx->devid, session, ctx);
if( !mosq )
@@ -342,7 +378,7 @@
/* connnect to broker by token or uid/pwd */
if( strlen(ctx->token ) > 0)
{
- log_info("Using token authentication\n");
+ log_info("Using token authentication: '%s'\n", ctx->token);
mosquitto_username_pw_set(mosq, ctx->token, NULL);
}
else if( strlen(ctx->uid)> 0 && strlen(ctx->pwd)> 0 )
@@ -352,8 +388,8 @@
}
/* set callback functions */
- mosquitto_connect_callback_set(mosq, sub_connect_callback);
- mosquitto_disconnect_callback_set(mosq, sub_disconnect_callback);
+ mosquitto_connect_callback_set(mosq, mqtt_connect_callback);
+ mosquitto_disconnect_callback_set(mosq, mqtt_disconnect_callback);
mosquitto_message_callback_set(mosq, sub_message_callback);
while( !g_signal.stop )
@@ -361,16 +397,28 @@
/* connect to MQTT broker */
if( mosquitto_connect(mosq, ctx->host, ctx->port, ctx->keepalive) )
{
- log_error("Subscriber connect to broker[%s:%d] failure: %s\n", ctx->host, ctx->port, strerror(errno));
- msleep(1000);
+ log_error("mosquitto connect to broker[%s:%d] failure: %s\n", ctx->host, ctx->port, strerror(errno));
+ sleep(1);
continue;
}
- /* -1: use default timeout 1000ms 1: unused */
- mosquitto_loop_forever(mosq, -1, 1);
+ while(!g_signal.stop)
+ {
+ /* periodically publish and report data */
+ pub_connect_callback(mosq, ctx, MOSQ_ERR_SUCCESS);
+
+ /* MQTT process in Non-blocking mode, timeout for 1s */
+ if( MOSQ_ERR_SUCCESS != (rv = mosquitto_loop(mosq, 1000, 1)) )
+ {
+ log_warn("MQTT loop error: %s, reconnecting...\n", mosquitto_strerror(rv));
+ break;
+ }
+ }
+
+ mosquitto_disconnect(mosq);
+ sleep(1);
}
mosquitto_destroy(mosq);
return NULL;
}
-
--
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