ESP8266——OneNet的GET指令及C语言代码

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GET指令的HTTP数据报文

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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；

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