| | |
| | | return -2; |
| | | } |
| | | |
| | | #if 0 |
| | | if( hal_init() < 0 ) |
| | | { |
| | | log_err("Initialise hardware failure\n"); |
| | | return -1; |
| | | } |
| | | log_nrml("HAL initialise ok\n"); |
| | | #endif |
| | | |
| | | install_proc_signal(); |
| | | |
| | |
| | | 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; |
| | | int retain = 0; |
| | | |
| | | if( result ) |
| | |
| | | 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( ds18b20_get_temperature(&temp) < 0 ) |
| | | strncpy(msg, "{ \"temp\":\"error\" }", sizeof(msg)); |
| | | else |
| | | snprintf(msg, sizeof(msg), "{ \"temp\":\"%.2f\" }", 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); |
| | | } |
| | | |
| | | memset(msg, 0, sizeof(msg)); |
| | | snprintf(msg, sizeof(msg), "{ \"light\":\"%s\" }", light); |
| | | |
| | | 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_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) |
| | | { |
| | |
| | | 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); |
| | | } |
| | | } |
| | | } |
| | |
| | | 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); |
| | | } |
| | | } |
| | | |