引入mqtt 引入cjson
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#include "main.h"
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#include "os-app.h"
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#include <stdio.h>
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#include <rtthread.h>
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#include <string.h>
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#include "usart-board.h"
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#include <MQTTPacket.h>
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#include "transport.h"
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#include <easyflash.h>
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#include "mqtt-board.h"
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#include "netdrv.h"
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#include "stdlib.h"
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#include "data.h"
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#if !defined(LOG_TAG)
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#define LOG_TAG "mqtt"
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#endif
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#include <elog.h>
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ALIGN (RT_ALIGN_SIZE)
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static char thread_stack[2048];
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static struct rt_thread mqtt_thread;
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static rt_timer_t timer;
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static char mqtt_tx_buff[500];
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static char mqtt_rx_buff[500];
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static enum {CONN = 1, DISC = 0} State = DISC;
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MqttDrv_t gMqttDrv =
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{
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.State = DISC,
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.txbuff = mqtt_tx_buff,
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.tx_size = 0,
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.tx_index = 0,
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.rxbuff = mqtt_rx_buff,
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.rx_size = 0,
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.rx_index = 0
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};
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// 定义mqtt 的数据存储buffer
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#define MQTT_BUFF_LENGTH 1500
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static uint8_t mqtt_buffer[MQTT_BUFF_LENGTH];
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//static uint8_t mqtt_payload[1200];
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//// 定义mqtt消息的 数据长度
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//static int mqtt_payload_size = 0;
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// 定义mqtt消息的 数据长度
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static int mqtt_buflen = 0;
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// 定义qos
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static int qos[SUBTOPIC_COUNT + 1] = {0};
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// 定义message id
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static int message_id = 0;
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// 定义mqtt 链接参数
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MQTTPacket_connectData connectData = MQTTPacket_connectData_initializer;
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MQTTString subtopic[SUBTOPIC_COUNT + 1] = {MQTTString_initializer};
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MQTTString pubtopic[SUBTOPIC_COUNT + 1] = {MQTTString_initializer};
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char sub_topic_str[SUBTOPIC_COUNT + 1][64] = {NULL};
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char pub_topic_str[SUBTOPIC_COUNT + 1][64] = {NULL};
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char client_id_str[64] = {NULL};
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static char device_id[32] = {NULL}; // 设备编码
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static char user_topic[32] = {NULL}; // topic
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static void net_data_rxdone (void)
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{
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rt_event_send (gUartEvents, EVENT_UART_ETH1_RX);
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}
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static int timerout_timer = 0;
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static void timerouter (void * parameter)
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{
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timerout_timer ++;
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if (timerout_timer > 90) // 超过90s 没有收到数据，重启网络
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{
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rt_event_send (gTrigEvents, EVENT_TRIG_MQTT_RST);
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timerout_timer = 0;
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}
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}
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static void thread_entry (void * argument)
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{
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int count = 0;
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// 初始化串口驱动
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rt_kprintf ("%s was start!\r\n", __FILE__);
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timer = rt_timer_create ("timer", timerouter, RT_NULL, 1000, RT_TIMER_FLAG_PERIODIC); // 异常检测定时器
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// 读取配置文件
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char * p = ef_get_env ("device_id");
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rt_sprintf (device_id, "%s", p);
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p = ef_get_env ("mqtt_topic");
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rt_memcpy (user_topic, p, strlen (p));
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int id = rand() % 1000;
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rt_sprintf (client_id_str, "GID_SLUICE_V2_220000%s", device_id) ;
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rt_kprintf ("clinet:%s\r\n", client_id_str);
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connectData.clientID.cstring = client_id_str;
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connectData.keepAliveInterval = 120;
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connectData.cleansession = 1;
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connectData.username.cstring = "admin";
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connectData.password.cstring = "admin";
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rt_sprintf (sub_topic_str[0], "device/%s/tx/220000%s", "update", device_id);
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rt_sprintf (pub_topic_str[0], "device/%s/rx/220000%s", "update", device_id);
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// 读取设备编码
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rt_sprintf (sub_topic_str[1], "device/%s/tx/220000%s", user_topic, device_id);
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rt_sprintf (pub_topic_str[1], "device/%s/rx/220000%s", user_topic, device_id);
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#if (SUBTOPIC_COUNT > 1)
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rt_sprintf (sub_topic_str[2], "device/%s/tx/2200002308170002", user_topic);
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rt_sprintf (pub_topic_str[2], "device/%s/rx/2200002308170002", user_topic);
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#endif
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for (int i = 0; i < SUBTOPIC_COUNT + 1; i++)
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{
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subtopic[i].cstring = sub_topic_str[i];
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pubtopic[i].cstring = pub_topic_str[i];
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}
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rt_timer_start (timer);
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while (1)
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{
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MQTTINIT:
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if (g_netDrv->State != Conn)
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{
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//rt_kprintf ("mqtt tcp-connected fail\r\n");
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rt_thread_delay (1000); // 延迟3s 等待模块连接TCP 服务成功
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goto MQTTINIT;
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}
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// 链接MQTT 服务器
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rt_kprintf ("mqtt connected\r\n");
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mqtt_buflen = MQTTSerialize_connect (mqtt_buffer, MQTT_BUFF_LENGTH, &connectData);
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netdrv_service_tx (mqtt_buffer, mqtt_buflen);
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if (RT_EOK != rt_event_recv (gTrigEvents, EVENT_TRIG_NETMODE_RX1, RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR, 10000, RT_NULL))
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{
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goto MQTTINIT;
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}
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rt_thread_mdelay (10);
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if (MQTTPacket_read (mqtt_buffer, MQTT_BUFF_LENGTH, netdrv_getdata) == CONNACK)
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{
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unsigned char sessionPresent, connack_rc;
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if (MQTTDeserialize_connack (&sessionPresent, &connack_rc, mqtt_buffer, MQTT_BUFF_LENGTH) != 1 || connack_rc != 0)
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{
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rt_kprintf ("Unable to connect, return code %d\n", connack_rc);
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rt_thread_delay (3000);
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netdrv_clear();
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goto MQTTINIT;
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}
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}
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else
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{
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rt_kprintf ("mqtt error");
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netdrv_clear();
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goto MQTTINIT;
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}
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netdrv_clear();
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rt_kprintf ("connect to mqtt successful\n");
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// 订阅topic
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mqtt_buflen = MQTTSerialize_subscribe (mqtt_buffer, MQTT_BUFF_LENGTH, 0, message_id++, SUBTOPIC_COUNT + 1, subtopic, qos);
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netdrv_service_tx (mqtt_buffer, mqtt_buflen);
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if (RT_EOK != rt_event_recv (gTrigEvents, EVENT_TRIG_NETMODE_RX1, RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR, 10000, RT_NULL))
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{
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netdrv_clear();
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goto MQTTINIT;
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}
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if (MQTTPacket_read (mqtt_buffer, MQTT_BUFF_LENGTH, netdrv_getdata) == SUBACK) /* wait for suback */
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{
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unsigned short submsgid;
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int subcount;
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int granted_qos;
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MQTTDeserialize_suback (&submsgid, 1, &subcount, &granted_qos, mqtt_buffer, MQTT_BUFF_LENGTH);
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if (granted_qos != 0)
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{
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rt_kprintf ("granted qos != 0, %d\n", granted_qos);
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netdrv_clear();
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goto MQTTINIT;
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}
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}
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else
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{
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rt_kprintf ("sub topic faild\r\n");
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rt_thread_delay (1000);
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netdrv_clear();
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goto MQTTINIT;
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}
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netdrv_clear();
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rt_kprintf ("subtopic topic %s\r\n", subtopic[0].cstring);
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rt_event_send (gTrigEvents, EVENT_TRIG_MQTT_SUB);
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netdrv_clear();
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rt_thread_delay (500);
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State = CONN;
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while (1)
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{
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// 接受到数据
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if (RT_EOK == rt_event_recv (gTrigEvents, EVENT_TRIG_NETMODE_RX1, RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR, 0, RT_NULL))
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{
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if (MQTTPacket_read (mqtt_buffer, MQTT_BUFF_LENGTH, netdrv_getdata) == PUBLISH)
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{
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unsigned char dup;
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int qos;
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unsigned char retained;
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unsigned short msgid;
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int payloadlen_in;
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unsigned char* payload_in;
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int rc;
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MQTTString receivedTopic;
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rc = MQTTDeserialize_publish (&dup, &qos, &retained, &msgid, &receivedTopic,
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&payload_in, &payloadlen_in, mqtt_buffer, MQTT_BUFF_LENGTH);
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rt_memcpy (gMqttDrv.rxbuff, payload_in, payloadlen_in) ;
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gMqttDrv.rx_size = payloadlen_in;
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//rt_memcpy(gMqttDrv.topic,receivedTopic.lenstring.data,receivedTopic.lenstring.len);
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for (int var = 0; var < SUBTOPIC_COUNT + 1; ++var)
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{
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if (rt_memcmp (subtopic[var].cstring, receivedTopic.lenstring.data, receivedTopic.lenstring.len) == 0)
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{
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gMqttDrv.rx_index = var;
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rt_kprintf ("recv from :%d,%*.s\r\n", gMqttDrv.rx_index, receivedTopic.lenstring.len, receivedTopic.lenstring.data);
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break;
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}
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}
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if (gMqttDrv.rx_index == 0) // 0 通道为升级通道
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{
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rt_event_send (gTrigEvents, EVENT_TRIG_UPGRADE_RX);
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}
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else
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{
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rt_event_send (gTrigEvents, EVENT_TRIG_COMM_RX);
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}
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timerout_timer = 0;
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}
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netdrv_clear();
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}
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// 发送数据
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if (RT_EOK == rt_event_recv (gTrigEvents, EVENT_TRIG_MQTT_TX, RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR, 0, RT_NULL))
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{
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mqtt_buflen = MQTTSerialize_publish (mqtt_buffer, MQTT_BUFF_LENGTH, 0, 0, 0, 0, pubtopic[gMqttDrv.tx_index], (uint8_t *) gMqttDrv.txbuff, gMqttDrv.tx_size);
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netdrv_service_tx (mqtt_buffer, mqtt_buflen);
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}
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if (RT_EOK == rt_event_recv (gTrigEvents, EVENT_TRIG_MQTT_RST, RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR, 0, RT_NULL))
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{
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rt_kprintf ("mqtt conn lost\r\n");
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netdrv_reset();
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State = DISC;
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rt_event_send (gTrigEvents, EVENT_TRIG_COMM_RST);
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goto MQTTINIT;
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}
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// 网络链接丢失
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if (g_netDrv->State != Conn)
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{
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rt_kprintf ("mqtt conn lost\r\n");
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netdrv_reset();
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State = DISC;
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rt_event_send (gTrigEvents, EVENT_TRIG_COMM_RST);
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goto MQTTINIT;
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}
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rt_thread_delay (100);
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}
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}
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}
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void MQTT_SendData (void)
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{
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// topic_index = index;
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//// rt_memcpy(mqtt_payload,data,size);
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//// mqtt_payload_size = size ;
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rt_event_send (gTrigEvents, EVENT_TRIG_MQTT_TX);
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}
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int MQTT_Subscribed (void)
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{
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return State;
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}
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void MQTTThreadStart (void)
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{
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/* 创建线程1，名称是thread1，入口是thread1_entry*/
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rt_thread_init (&mqtt_thread, "mqtt_thread",
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thread_entry, RT_NULL,
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&thread_stack[0],
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sizeof (thread_stack),
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MQTT_THREAD_PRIORITY, MQTT_THREAD_TIMESLICE);
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rt_thread_startup (&mqtt_thread);
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return ;
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}
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void shell_mqtt_time (void)
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{
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rt_kprintf ("lost_timer:%u\r\n", timerout_timer) ;
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}
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