Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources
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162
sdk/app/mqtt/mqtt_client_demo/mqtt_client_demo.c
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162
sdk/app/mqtt/mqtt_client_demo/mqtt_client_demo.c
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// Copyright (c) 2020 Cesanta Software Limited
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// All rights reserved
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//
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// Example MQTT client. It performs the following steps:
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// 1. Connects to the Aliyun IoT MQTT server
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// 2. When connected, subscribes to the topic `s_sub_topic`
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// 3. Publishes message `hello` to the `s_post_topic` periodically
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//
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// This example requires TLS support. By default, it is built with mbedTLS,
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// therefore make sure mbedTLS is installed. To build with OpenSSL, execute:
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// make clean all CFLAGS="-W -Wall -DMG_ENABLE_OPENSSL=1 -lssl"
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// In order to get MQTT URL, login to Aliyun IoT, click on "Settings" on the left
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// bar, copy the "Endpoint" URL.
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#include "sys_config.h"
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#include "typesdef.h"
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#include "list.h"
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#include "dev.h"
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#include "devid.h"
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#include "osal/string.h"
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#include "osal/semaphore.h"
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#include "osal/mutex.h"
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#include "osal/irq.h"
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#include "osal/work.h"
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#include "osal/sleep.h"
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#include "osal/timer.h"
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#include "hal/gpio.h"
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#include "lib/common/common.h"
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#include "lib/common/sysevt.h"
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#include "lib/syscfg/syscfg.h"
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#include <string.h>
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#if MQTT_CLIENT
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#include "mongoose.h"
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#include "mqtt_client_demo.h"
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static const char *s_url =
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User_TXW80X_MQTTServer_IP;
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// "mqtts://a1pjwh2bop1ojt-ats.iot.eu-west-1.amazonaws.com";
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// To create certificates:
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// 1. Click Policies -> Create, fill fields:
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// Name : Policy1
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// Action : iot:*
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// Resource ARN: *
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// Effect : allow
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// then, click "Create"
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// 2. Click Manage -> Things -> Create things -> Create single thing -> Next
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// Thing name: t1, no shadow, Next
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// Auto-generate new certificate, Next
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// Select policy Policy1, Create thing
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// 3. From the dialog box that appears, download:
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// xxx-certificate.pem.crt as cert.pem to the example directory
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// xxx-private.pem.key as key.pem to the example directory
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static const char *s_cert = "cert.pem";
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static const char *s_key = "key.pem";
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static const char *s_sub_topic = User_MQTT_Subscribe_Topic;
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static const char *s_post_topic = User_MQTT_Post_Topic;
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static int s_qos = 1;
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os_task_t mqtt_task;
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static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
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//_os_printf("%s\r\n",__FUNCTION__);
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if (ev == MG_EV_OPEN) {
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// c->is_hexdumping = 1;
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} else if (ev == MG_EV_ERROR) {
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// On error, log error message
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MG_ERROR(("error!!!!%p %s", c->fd, (char *) ev_data));
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} else if (ev == MG_EV_CONNECT) {
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if (mg_url_is_ssl(s_url)) {
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struct mg_tls_opts opts = {.ca = "ca.pem"};
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mg_tls_init(c, &opts);
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}
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} else if (ev == MG_EV_MQTT_OPEN) {
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// MQTT connect is successful
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struct mg_str topic = mg_str(s_sub_topic);
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MG_INFO(("Connected to %s", s_url));
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MG_INFO(("Subscribing to %s", s_sub_topic));
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mg_mqtt_sub(c, topic, s_qos);
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c->data[0] = 'X'; // Set a label that we're logged in
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} else if (ev == MG_EV_MQTT_MSG) {
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// When we receive MQTT message, print it
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struct mg_mqtt_message *mm = (struct mg_mqtt_message *) ev_data;
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MG_INFO(("Received on %.*s : %.*s", (int) mm->topic.len, mm->topic.ptr,
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(int) mm->data.len, mm->data.ptr));
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} else if (ev == MG_EV_POLL && c->data[0] == 'X') {
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static unsigned long prev_second;
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unsigned long now_second = (*(unsigned long *) ev_data) / 1000;
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if (now_second != prev_second) {
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struct mg_str topic = mg_str(s_post_topic), data = mg_str("{\"a\":123}");
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MG_INFO(("Publishing to %s", s_post_topic));
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mg_mqtt_pub(c, topic, data, s_qos, false);
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prev_second = now_second;
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}
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}
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if (ev == MG_EV_ERROR || ev == MG_EV_CLOSE) {
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MG_INFO(("Got event %d, stopping...", ev));
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*(bool *) fn_data = true; // Signal that we're done
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}
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}
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int mqtt_demo(void) {
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struct mg_mgr mgr;
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struct mg_mqtt_opts opts = {
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.user = mg_str(User_MQTT_UserName) ,
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.pass = mg_str(User_MQTT_Password),
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.client_id = mg_str(User_MQTT_Client_Id),
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.will_topic = mg_str(s_sub_topic),
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.will_message = mg_str("i'm offline"),
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.will_qos = (uint8_t)s_qos,
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.version = 4,
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.keepalive = 60,
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.will_retain = 0,
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.clean = 1,
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};
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bool done = false;
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mg_log_set(MG_LL_DEBUG);
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mg_mgr_init(&mgr); // Initialise event manager
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MG_INFO(("Connecting to %s", s_url)); // Inform that we're starting
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mg_mqtt_connect(&mgr, s_url, &opts, fn, &done); // Create client connection
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while (!done) mg_mgr_poll(&mgr, 5000); // Loop until done
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mg_mgr_free(&mgr); // Finished, cleanup
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return 0;
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}
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static sysevt_hdl_res dhcp_client_get_ip(uint32 event_id, uint32 data, uint32 priv)
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{
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static uint8_t is_get_ip = 0;
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_os_printf("%s:%d!!!!!!!!!!!\n",__FUNCTION__,__LINE__);
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if(!is_get_ip)
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{
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is_get_ip = 1;
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OS_TASK_INIT("mqtt", &mqtt_task, mqtt_demo, NULL, OS_TASK_PRIORITY_NORMAL, 8192);
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}
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return 0;
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}
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int mqtt_test_init(uint32 ip)
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{
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_os_printf("%s:%d\tip:%X\n",__FUNCTION__,__LINE__,ip);
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sys_event_take(SYS_EVENT(SYS_EVENT_WIFI, SYSEVT_WIFI_STA_CONNECTTED),dhcp_client_get_ip,0);
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//if(!ip)
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//{
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// sys_event_take(SYS_EVENT(SYS_EVENT_NETWORK, SYSEVT_LWIP_DHCPC_DONE),dhcp_client_get_ip,0);
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//}
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//else
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//{
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// OS_TASK_INIT("mqtt", &mqtt_task, mqtt_demo, NULL, OS_TASK_PRIORITY_NORMAL, 8192);
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//}
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return 0;
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}
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#endif
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31
sdk/app/mqtt/mqtt_client_demo/mqtt_client_demo.h
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31
sdk/app/mqtt/mqtt_client_demo/mqtt_client_demo.h
Normal file
@@ -0,0 +1,31 @@
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#ifndef MQTT_TEST_H
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#define MQTT_TEST_H
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#define USE_MQTT_EMQX 1 //MEQX本地服务器，可以自由创建修改
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#define USE_MQTT_Aliyun 0
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#define CMD_TIMEOUT_MS 30000
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#define BUF_SIZE 256
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#if USE_MQTT_EMQX
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#define User_MQTT_Client_Id "1234"//"gkfxeunUMuu.TestDevice|securemode=2,signmethod=hmacsha256,timestamp=1671767379823|"
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#define User_MQTT_UserName "Test"//"TestDevice&gkfxeunUMuu"
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#define User_MQTT_Password "12345"//"a5ed28169bbf68b523cd0425b37d519f690b8cbae6a61d2fc818fd11c65fa208"
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#define User_TXW80X_MQTTServer_IP "mqtt://192.168.1.100"//"iot-06z00hveu8ylc8u.mqtt.iothub.aliyuncs.com"
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#define User_TXW80X_MQTTServer_PORT 1883
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#define User_MQTT_Subscribe_Topic "Topic1234"//"/sys/gkfxeunUMuu/TestDevice/thing/event/property/post_reply"
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#define User_MQTT_Post_Topic "Topic1234"//"/sys/gkfxeunUMuu/TestDevice/thing/event/property/post"
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#elif USE_MQTT_Aliyun
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#define User_MQTT_Client_Id "gkfxeunUMuu.TestDevice|securemode=2,signmethod=hmacsha256,timestamp=1671767379823|"
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#define User_MQTT_UserName "TestDevice&gkfxeunUMuu"
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#define User_MQTT_Password "a5ed28169bbf68b523cd0425b37d519f690b8cbae6a61d2fc818fd11c65fa208"
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#define User_TXW80X_MQTTServer_IP "mqtt://iot-06z00hveu8ylc8u.mqtt.iothub.aliyuncs.com:1883"
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#define User_TXW80X_MQTTServer_PORT 1883
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#define User_MQTT_Subscribe_Topic "/gkfxeunUMuu/TestDevice/user/comc"//"/sys/gkfxeunUMuu/TestDevice/thing/event/property/post_reply"
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#define User_MQTT_Post_Topic "/gkfxeunUMuu/TestDevice/user/comc"//"/sys/gkfxeunUMuu/TestDevice/thing/event/property/post"
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#endif
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int mqtt_test_init(uint32 ip);
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#endif
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