esp_mqtt/user/user_main.c

108 wiersze
3.3 KiB
C

/* main.c -- MQTT client example
*
* Copyright (c) 2014-2015, Tuan PM <tuanpm at live dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "ets_sys.h"
#include "driver/uart.h"
#include "osapi.h"
#include "mqtt.h"
#include "wifi.h"
#include "config.h"
#include "debug.h"
#include "gpio.h"
#include "user_interface.h"
MQTT_Client mqttClient;
void wifiConnectCb(uint8_t status)
{
if(status == STATION_GOT_IP){
MQTT_Connect(&mqttClient);
MQTT_Subscribe(&mqttClient, "/test/topic");
MQTT_Subscribe(&mqttClient, "/test2/topic");
}
}
void mqttConnectedCb(uint32_t *args)
{
MQTT_Client* client = (MQTT_Client*)args;
INFO("MQTT: Connected\r\n");
}
void mqttDisconnectedCb(uint32_t *args)
{
MQTT_Client* client = (MQTT_Client*)args;
INFO("MQTT: Disconnected\r\n");
}
void mqttPublishedCb(uint32_t *args)
{
MQTT_Client* client = (MQTT_Client*)args;
INFO("MQTT: Published\r\n");
}
void mqttDataCb(uint32_t *args, const char* topic, uint32_t topic_len, const char *data, uint32_t data_len)
{
char topicBuf[64], dataBuf[64];
MQTT_Client* client = (MQTT_Client*)args;
os_memcpy(dataBuf, topic, topic_len);
topicBuf[topic_len] = 0;
os_memcpy(dataBuf, data, data_len);
dataBuf[data_len] = 0;
INFO("MQTT topic: %s, data: %s \r\n", topicBuf, dataBuf);
/* Echo back to /echo channel*/
MQTT_Publish(client, "/echo", dataBuf, data_len, 0, 0);
}
void user_init(void)
{
uart_init(BIT_RATE_115200, BIT_RATE_115200);
os_delay_us(1000000);
CFG_Load();
MQTT_InitConnection(&mqttClient, sysCfg.mqtt_host, sysCfg.mqtt_port, SEC_SSL);
MQTT_InitClient(&mqttClient, sysCfg.device_id, sysCfg.mqtt_user, sysCfg.mqtt_pass, sysCfg.mqtt_keepalive);
MQTT_OnConnected(&mqttClient, mqttConnectedCb);
MQTT_OnDisconnected(&mqttClient, mqttDisconnectedCb);
MQTT_OnPublished(&mqttClient, mqttPublishedCb);
MQTT_OnData(&mqttClient, mqttDataCb);
WIFI_Connect(sysCfg.sta_ssid, sysCfg.sta_pwd, wifiConnectCb);
INFO("\r\nSystem started ...\r\n");
}