ESP8266——OneNet的GET指令及C语言代码

GET指令的HTTP数据报文

GET /devices/你的设备号/datastreams/你的数据流名称 HTTP/1.1\r\n
Host: api.heclouds.com\r\n
api-key: 你的apikey\r\n\r\n

我更改了ESP8266的波特率，改成了4800的；

AT+UART=4800,8,1,0,0\r\n //更改esp8266的波特率

 #include "reg52.h"

 typedef unsigned int uint;
 typedef unsigned char uchar;

#define DATASIZE 110

sbit LED = P2^0;

uchar datalen = 0;
uchar value;
uchar cnt = 0;
uchar recbuffer[DATASIZE];



void Delay600ms()       //@12.000MHz
{
    unsigned char i, j, k;

    i = 5;
    j = 144;
    k = 71;
    do
    {
        do
        {
            while (--k);
        } while (--j);
    } while (--i);
}




void UsartInit(void)    {
    SCON = 0x50;
    TMOD = 0x20;
    PCON = 0x80;
    TH1  = 0xF3;
    TL1  = 0xF3;
    ES   = 1;
    EA   = 1;
    TR1  = 1;
}
void SendUart(uchar value)  {
    ES = 0;
    SBUF = value;
    while(!TI);
    TI = 0;
    ES = 1;
}

void SendString(uchar *str) {
    while(*str != '\0') {
        SendUart(*str);
        str++;
    }


}
void wificonnection() {
    SendString("AT\r\n");
    //SendString("AT+CWMODE=1\r\n");
    //SendString("AT+RST");
    SendString("AT+CWJAP=\"****\",\"******\"\r\n");
    Delay600ms();
    Delay600ms();

}

void TCPconnection() {
    SendString("AT+CIPMUX=0\r\n");
    Delay600ms();
    Delay600ms();
    SendString("AT+CIPSTART=\"TCP\",\"183.230.40.33\",80\r\n");
    Delay600ms();
    Delay600ms();
    SendString("AT+CIPMODE=1\r\n");
    Delay600ms();
    Delay600ms();
    SendString("AT+CIPSEND\r\n");
    Delay600ms();
    Delay600ms();
}

void check() {
    SendString("GET /devices/******/datastreams/*** HTTP/1.1\r\n");
    SendString("Host: api.heclouds.com\r\n");
    SendString("api-key: ********************\r\n\r\n");
    Delay600ms();            
}
void main() {
    UsartInit();
    wificonnection();
    TCPconnection();
    while(1) {
        check();
        Delay600ms();
        if(value == '1') LED = 0;
        else if(value == '0') LED = 1;
    }
 }

void Usart() interrupt 4 {
    uchar rec;
    if(RI != 0) {
        rec = SBUF;
        RI = 0;
    }
    if(rec == '{') cnt = 1;
    if(cnt == 1) {
        if(rec != '}') {
            recbuffer[datalen++] = rec;
        }
        else {
            cnt = 0;
            value = recbuffer[datalen - 1];
            //SendString(recbuffer);
            //SendString("\r\n");
            //SendUart(value);
            //SendString("\r\nok\r\n");
            datalen = 0;
        }   
    }
}