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esp8266.ino
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esp8266.ino
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/*
采用外接电源单独供电,2 3口作为软串口接PC机作为调试端
1 0为串口,连接WIFI模块
*/
#include <SoftwareSerial.h>
#include "edp.c"
#include <Arduino.h>
#define KEY "So=pFHatlf6sG5a6dKNK3wW106Q=" //APIkey
#define ID "576498633" //设备ID
//#define PUSH_ID "680788"
#define PUSH_ID NULL,72r8
// 串口
#define _baudrate 115200
#define _rxpin 3
#define _txpin 2
#define WIFI_UART dbgSerial
#define DBG_UART Serial //调试打印串口
Servo myservo; // 定义舵机对象,最多八个
SoftwareSerial dbgSerial( _rxpin, _txpin ); // 软串口,调试打印
edp_pkt *pkt;
bool doCmdOk(String data, char *keyword)
{
bool result = false;
if (data != "") //对于tcp连接命令,直接等待第二次回复
{
WIFI_UART.println(data); //发送AT指令
DBG_UART.print("SEND: ");
DBG_UART.println(data);
}
if (data == "AT") //检查模块存在
delay(2000);
else
while (!WIFI_UART.available()); // 等待模块回复
delay(200);
if (WIFI_UART.find(keyword)) //返回值判断
{
DBG_UART.println("do cmd OK");
result = true;
}
else
{
DBG_UART.println("do cmd ERROR");
result = false;
}
while (WIFI_UART.available()) WIFI_UART.read(); //清空串口接收缓存
delay(500); //指令时间间隔
return result;
}
void setup()
{
char buf[100] = {0};
int tmp;
pinMode(13, OUTPUT); //WIFI模块指示灯
myservo.attach(9); // 设置舵机控制针脚
WIFI_UART.begin( _baudrate );
DBG_UART.begin( _baudrate );
WIFI_UART.setTimeout(3000); //设置find超时时间
delay(3000);
DBG_UART.println("hello world!");
delay(2000);
while (!doCmdOk("AT", "OK"));
digitalWrite(13, HIGH); // 使Led亮
while (!doCmdOk("AT+CWMODE=3", "OK")); //工作模式
while (!doCmdOk("AT+CWJAP=\"nova 4\",\"12345678\"", "OK"));
while (!doCmdOk("AT+CIPSTART=\"TCP\",\"183.230.40.39\",876", "CONNECT"));
while (!doCmdOk("AT+CIPMODE=1", "OK")); //透传模式
while (!doCmdOk("AT+CIPSEND", ">")); //开始发送
}
void loop()
{
static int edp_connect = 0;
bool trigger = false;
edp_pkt rcv_pkt;
unsigned char pkt_type;
int i, tmp;
char num[10];
/* EDP 连接 */
if (!edp_connect)
{
while (WIFI_UART.available()) WIFI_UART.read(); //清空串口接收缓存
packetSend(packetConnect(ID, KEY)); //发送EPD连接包
while (!WIFI_UART.available()); //等待EDP连接应答
if ((tmp = WIFI_UART.readBytes(rcv_pkt.data, sizeof(rcv_pkt.data))) > 0 )
{
rcvDebug(rcv_pkt.data, tmp);
if (rcv_pkt.data[0] == 0x20 && rcv_pkt.data[2] == 0x00 && rcv_pkt.data[3] == 0x00)
{
edp_connect = 1;
DBG_UART.println("EDP connected.");
}
else
DBG_UART.println("EDP connect error.");
}
packetClear(&rcv_pkt);
}
while (WIFI_UART.available())
{
readEdpPkt(&rcv_pkt);
if (isEdpPkt(&rcv_pkt))
{
pkt_type = rcv_pkt.data[0];
switch (pkt_type)
{
case CMDREQ:
char edp_command[50];
char edp_cmd_id[40];
long id_len, cmd_len, rm_len;
char datastr[20];
char val[10];
memset(edp_command, 0, sizeof(edp_command));
memset(edp_cmd_id, 0, sizeof(edp_cmd_id));
edpCommandReqParse(&rcv_pkt, edp_cmd_id, edp_command, &rm_len, &id_len, &cmd_len);
DBG_UART.print("rm_len: ");
DBG_UART.println(rm_len, DEC);
delay(10);
DBG_UART.print("id_len: ");
DBG_UART.println(id_len, DEC);
delay(10);
DBG_UART.print("cmd_len: ");
DBG_UART.println(cmd_len, DEC);
delay(10);
DBG_UART.print("id: ");
DBG_UART.println(edp_cmd_id);
delay(10);
DBG_UART.print("cmd: ");
DBG_UART.println(edp_command);
//数据处理与应用中EDP命令内容对应
//本例中格式为 datastream:[1/0]
sscanf(edp_command, "%[^:]:%s", datastr, val);
if (atoi(val) == 1)
for(pos = 0; pos < 20; pos += 1)
{
myservo.write(pos);
delay(1);
} // 使舵机旋转,从而带动开关开灯
else
for(pos = 20; pos>=1; pos-=1)
{
myservo.write(pos);
delay(1);
}//关灯
packetSend(packetDataSaveTrans(NULL, datastr, val)); //将新数据值上传至数据流
break;
default:
DBG_UART.print("unknown type: ");
DBG_UART.println(pkt_type, HEX);
break;
}
}
//delay(4);
}
if (rcv_pkt.len > 0)
packetClear(&rcv_pkt);
delay(150);
}
/*
* readEdpPkt
* 从串口缓存中读数据到接收缓存
*/
bool readEdpPkt(edp_pkt *p)
{
int tmp;
if ((tmp = WIFI_UART.readBytes(p->data + p->len, sizeof(p->data))) > 0 )
{
rcvDebug(p->data + p->len, tmp);
p->len += tmp;
}
return true;
}
/*
* packetSend
* 将待发数据发送至串口,并释放到动态分配的内存
*/
void packetSend(edp_pkt* pkt)
{
if (pkt != NULL)
{
WIFI_UART.write(pkt->data, pkt->len); //串口发送
WIFI_UART.flush();
free(pkt); //回收内存
}
}
void rcvDebug(unsigned char *rcv, int len)
{
int i;
DBG_UART.print("rcv len: ");
DBG_UART.println(len, DEC);
for (i = 0; i < len; i++)
{
DBG_UART.print(rcv[i], HEX);
DBG_UART.print(" ");
}
DBG_UART.println("");
}