kopia lustrzana https://github.com/martin-ger/esp_mqtt
126 wiersze
4.4 KiB
C
126 wiersze
4.4 KiB
C
/* main.c -- MQTT client example
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*
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* Copyright (c) 2014-2015, Tuan PM <tuanpm at live dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "ets_sys.h"
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#include "driver/uart.h"
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#include "osapi.h"
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#include "mqtt.h"
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#include "wifi.h"
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#include "debug.h"
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#include "gpio.h"
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#include "user_interface.h"
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#include "mem.h"
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MQTT_Client mqttClient;
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static void ICACHE_FLASH_ATTR wifiConnectCb(uint8_t status)
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{
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if (status == STATION_GOT_IP) {
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MQTT_Connect(&mqttClient);
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} else {
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MQTT_Disconnect(&mqttClient);
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}
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}
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static void ICACHE_FLASH_ATTR mqttConnectedCb(uint32_t *args)
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{
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MQTT_Client* client = (MQTT_Client*)args;
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INFO("MQTT: Connected\r\n");
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MQTT_Subscribe(client, "/mqtt/topic/0", 0);
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MQTT_Subscribe(client, "/mqtt/topic/1", 1);
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MQTT_Subscribe(client, "/mqtt/topic/2", 2);
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MQTT_Publish(client, "/mqtt/topic/0", "hello0", 6, 0, 0);
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MQTT_Publish(client, "/mqtt/topic/1", "hello1", 6, 1, 0);
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MQTT_Publish(client, "/mqtt/topic/2", "hello2", 6, 2, 0);
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}
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static void ICACHE_FLASH_ATTR mqttDisconnectedCb(uint32_t *args)
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{
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MQTT_Client* client = (MQTT_Client*)args;
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INFO("MQTT: Disconnected\r\n");
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}
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static void ICACHE_FLASH_ATTR mqttPublishedCb(uint32_t *args)
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{
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MQTT_Client* client = (MQTT_Client*)args;
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INFO("MQTT: Published\r\n");
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}
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static void ICACHE_FLASH_ATTR mqttDataCb(uint32_t *args, const char* topic, uint32_t topic_len, const char *data, uint32_t data_len)
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{
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char *topicBuf = (char*)os_zalloc(topic_len + 1),
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*dataBuf = (char*)os_zalloc(data_len + 1);
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MQTT_Client* client = (MQTT_Client*)args;
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os_memcpy(topicBuf, topic, topic_len);
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topicBuf[topic_len] = 0;
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os_memcpy(dataBuf, data, data_len);
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dataBuf[data_len] = 0;
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INFO("Receive topic: %s, data: %s \r\n", topicBuf, dataBuf);
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os_free(topicBuf);
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os_free(dataBuf);
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}
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void ICACHE_FLASH_ATTR print_info()
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{
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INFO("\r\n\r\n[INFO] BOOTUP...\r\n");
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INFO("[INFO] SDK: %s\r\n", system_get_sdk_version());
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INFO("[INFO] Chip ID: %08X\r\n", system_get_chip_id());
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INFO("[INFO] Memory info:\r\n");
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system_print_meminfo();
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INFO("[INFO] -------------------------------------------\n");
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INFO("[INFO] Build time: %s\n", BUID_TIME);
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INFO("[INFO] -------------------------------------------\n");
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}
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static void ICACHE_FLASH_ATTR app_init(void)
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{
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uart_init(BIT_RATE_115200, BIT_RATE_115200);
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print_info();
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MQTT_InitConnection(&mqttClient, MQTT_HOST, MQTT_PORT, DEFAULT_SECURITY);
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//MQTT_InitConnection(&mqttClient, "192.168.11.122", 1880, 0);
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MQTT_InitClient(&mqttClient, MQTT_CLIENT_ID, MQTT_USER, MQTT_PASS, MQTT_KEEPALIVE, MQTT_CLEAN_SESSION);
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//MQTT_InitClient(&mqttClient, "client_id", "user", "pass", 120, 1);
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MQTT_InitLWT(&mqttClient, "/lwt", "offline", 0, 0);
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MQTT_OnConnected(&mqttClient, mqttConnectedCb);
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MQTT_OnDisconnected(&mqttClient, mqttDisconnectedCb);
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MQTT_OnPublished(&mqttClient, mqttPublishedCb);
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MQTT_OnData(&mqttClient, mqttDataCb);
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WIFI_Connect(STA_SSID, STA_PASS, wifiConnectCb);
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}
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void user_init(void)
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{
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system_init_done_cb(app_init);
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}
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