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main.cpp
- Committer:
- zhangyx
- Date:
- 2017-11-15
- Revision:
- 5:9a0acd11c445
- Parent:
- 4:46e5e96a6233
- Child:
- 7:49a823b5a935
File content as of revision 5:9a0acd11c445:
/*----------------------------------------------------- File Name : main.cpp Purpose : For esp8266 mbed porting Creation Date : 22-06-2017 Last Modified : Created By : Jeasine Ma [jeasinema[at]gmail[dot]com] -----------------------------------------------------*/ #include <cstdarg> #include <cstring> #include "mbed.h" #include "esp8266.h" Serial ser2usb(PA_9, PA_10, 115200); DigitalOut LED(PD_2); int main(void) { // 选定与 esp8266 相连接的串口,WiFi 名称和密码 // 参数分别为 TX pin / RX pin / SSID / Password Esp8266 client(PA_2, PA_3, "TSINGHUA.iCenter", "TS.icenter"); //声明所有的传感器,每行一个,每个由名字、单位两部分组成,最后一行必须为空指针作为结尾 //服务器收到声明后,将在网页上显示这些传感器 const char* sensors[][2] = { "pressure", "Pa", "temperature", "C", "humidity", "%", NULL, NULL //最后一行以空指针作为结束标记 }; //声明所有的执行器,每行一个,每个由名字、参数类型两部分组成,最后一行必须为空指针作为结尾 //服务器收到声明后,将在网页上显示这些执行器 const char* actuators[][2] = { "servo1", "int", "switch2", "int", NULL, NULL //最后一行以空指针作为结束标记 }; //连接到服务器 client.connect_mqtt_broker("tdxls-iot.xicp.net", sensors, actuators); ser2usb.printf("Initialization done.\r\n"); char actuator_name[32], control_value[32]; float last_report=0; Timer t;// 定时器用于计量发送传感器数据的时间 t.start(); while(1) { //检查有没有收到新的执行器控制指令 if(client.get_control_cmd(actuator_name, control_value)){ ser2usb.printf("Received CMD %s, %s\r\n", actuator_name, control_value); //判断哪个执行器收到命令 if(strcmp(actuator_name, "switch1")){ //do something for switch1 LED = atoi(control_value); }else if(strcmp(actuator_name, "switch2")){ //do something for switch2 } } if(t.read() - last_report > 1){ // 每1s发送汇报一次传感器数据 //汇报传感器数据,两个参数分别是传感器名字和值 client.publish_value("pressure", "100000 Pa"); client.publish_value("temperature", "20 C"); client.publish_value("humidity", "30 %"); last_report = t.read(); } } }