matlab serial dbgcmd,ESP8266 采用串口3通讯 WIFI代码

#include

#include

#include

/**'

* ESP8266 采用串口3通讯

*/

#define ESP8266SerialSerial3

#define mySerial Serial

#define RES_MAX_LENGTH 500

#define SEND_SUCCESS 1

#define SEND_FAIL 0

/**

* 链接的AP的账户密码

*/

char ssid[] ="zlei";

char pass[] ="18829237005";

/**

* Onenet 互联网信息

*/

char oneNetServer[] ="api.heclouds.com";       //不需要修改

char deviceId[] ="10005241";

char API_KEY[] ="qB40IZOP6Rx58EZ7ow16mA=VkRQ=";

char sensorID1[] ="waterLevel";

// ESP8266于Arduino交互的数据缓存

charESP8266Response[RES_MAX_LENGTH];

// 交互数据缓存的世纪存储长度

int resLength = 0;

// 请求时间计算的最小分度值

const unsigned long interval= 1000;

// 计时器,以毫秒为最小计数单位

unsigned long curTime = 0;

HttpPacketHead packet;

void setup() {

ESP8266Serial.begin(115200);

mySerial.begin(9600);

Timer1.initialize(interval);

Timer1.attachInterrupt(timeClock);

intiESP8266();

}

void loop() {

postDataToServer(API_KEY,deviceId,sensorID1,1.00); // 发送数据(数据为模拟数据)

delay(10000);

}

/**

* 制造重启命令

*/

void(* resetFunc) (void) =0;

/**

* ESP8266 板子进行初始化

* 1. 发送 AT 指令判断供电,TTL和WIFI模块是否正常 返回OK表示正常

* 2. 发送 AT+CWMODE=? 指令 选择模式1.Station模式,2. AP 模式

* 3. 发送AT+CWJAP="ssid","password" 来连接AP

*/

void intiESP8266(){

// AT 指令, 返回OK表明供电,TTL和WIFI模块通讯正常

if(sendATCommead("AT\r\n","OK", 1000, 2) ==SEND_SUCCESS );

else ESP8266_Error(1);

delay(100);

// AT+CWMODE=? 选择模式 1.Station模式,2. AP 模式

if(sendATCommead("AT+CWMODE=1\r\n","OK",1000,3) ==SEND_SUCCESS );

else ESP8266_Error(2);

// AT+CWJAP="sid","pass" 加入AP

char cwjap[50];

strcat(cwjap,"AT+CWJAP=\"");

strcat(cwjap,ssid);

strcat(cwjap,"\",\"");

strcat(cwjap,pass);

strcat(cwjap,"\"\r\n");

if(sendATCommead(cwjap,"OK",2000,4)== SEND_SUCCESS );

else ESP8266_Error(3);

}

/**

* ESP8266 错误信息处理

* @param type 错误信息类型

*/

void ESP8266_Error(inttype){

mySerial.println("ERROR");

mySerial.println(type);

while(1){

if(sendATCommead("AT\r\n","OK", 1000, 2) ==SEND_SUCCESS){

mySerial.print("\r\nRESET!!!!!!\r\n");

resetFunc();

}

}

}

/**

* Arduino 向ESP8266中发送AT指令

* @param commoned 需要发送的指令

* @param response 发送之后接收到response之后表示成功

* @param timeout 在发送命令之后 timeout 毫秒之后重新发送消息

* @param reTry 重新发送的次数

*/

unsigned intsendATCommead(char *commoned, char *response, int timeout, unsigned charreTry){

// 多次重复发送消息,直到接收到消息。

for(unsigned char tryTime = 0; tryTime

clearResponse(); // 清理接收缓存

mySerial.print("send commoned ");

mySerial.print(commoned);

mySerial.print(" to ESP8266.\n");

ESP8266Serial.write(commoned); // 通过串口发送命令

curTime = 0;

// 在延时范围内查看回复消息,如果回复消息成功,返回成功

while(curTime < timeout){

readResponse();

if(strstr(ESP8266Response, response) !=NULL){

mySerial.println("Response is");

mySerial.println("--------------Response Start ----------------");

mySerial.println(ESP8266Response);

mySerial.println("--------------Response end ------------------");

return SEND_SUCCESS;

}

}

}

// 发送失败

mySerial.print("response received,content is \n >>>> ");

mySerial.println(ESP8266Response);

return SEND_FAIL;

}

/**

* 向服务器发送数据请求

* @param apiKey 访问网站的apiKey

* @param deviceID 设备ID

* @param sensorID 传感器ID

* @param data 发送的数据

*/

void postDataToServer(char*apiKey, char *deviceID, char *sensorID, double data){

StaticJsonBuffer<400> jsonBuffer;

JsonObject &value =jsonBuffer.createObject();

value["value"] = data;

JsonObject &idDataPoints =jsonBuffer.createObject();

idDataPoints["id"] = sensorID;

JsonArray &dataPoints = idDataPoints.createNestedArray("dataPoints");

dataPoints.add(value);

JsonObject &myJson =jsonBuffer.createObject();

JsonArray &dataStreams =myJson.createNestedArray("dataStreams");

dataStreams.add(idDataPoints);

// 设置POST的请求表头

char postData[400];

int postLength = myJson.printTo(postData,sizeof(postData));

packet.setHostAddress(oneNetServer);

packet.setDevId(deviceId);

packet.setAccessKey(API_KEY);

packet.createCmdPacket(POST, TYPE_DATAPOINT,postData);

int httpLength = strlen(packet.content) +postLength;

char cmd[500];

// 链接服务器

memset(cmd, 0, 500);

sprintf(cmd,"AT+CIPSTART=\"TCP\",\"%s\",80\r\n",oneNetServer);

if(sendATCommead(cmd,"CONNECT",3000, 5) == SEND_SUCCESS);

else ESP8266_Error(4);

// 发送数据

memset(cmd,0,500);

sprintf(cmd,"AT+CIPSEND=%d\r\n",httpLength);

if(sendATCommead(cmd,">",3000,3)== SEND_SUCCESS);

else ESP8266_Error(5);

memset(cmd,0,500);

strcpy(cmd,packet.content);

strcat(cmd,postData);

if(sendATCommead(cmd,"succ\"}",5000,5) == SEND_SUCCESS);

else ESP8266_Error(6);

if(sendATCommead("AT+CIPCLOSE\r\n","CLOSED",3000,3)== SEND_SUCCESS);

else ESP8266_Error(7);

}

/**

* @TODO 将ESP8266返回的数据返回到缓存数组中

* 1. 清理缓存数据

* 2. 将读取的数据存入全局数组中

* 3. 超出数组长度之后

*/

void readResponse(){

clearResponse();

while(ESP8266Serial.available()){

ESP8266Response[resLength++] =ESP8266Serial.read();

if(resLength == RES_MAX_LENGTH)clearResponse();

}

}

/**

* @todo 清理数据交互缓存区

*/

void clearResponse(){

memset(ESP8266Response,0,RES_MAX_LENGTH);

resLength = 0;

}

/**

* 计时器函数,单位为毫秒

*/

void timeClock(){

curTime++;

}

温湿度上传数据:

#include

#include

//bool SendDataByHttp();

void(* resetFunc) (void) =0;//系统复位

int ledPin = 13;

int resetWIFI = 8;

int timeCount = 0;

#define API_KEY  "5=u1Uo3anU=av33dYi3bk4aflF0="    //APIkey

#define DEVICE_ID   "19888592"                     //设备ID

#defineESP8266_WIFI_INFO   "AT+CWJAP=\"4F\",\"yy1234567\"\r\n"

#defineESP8266_ONENET_INFO  "AT+CIPSTART=\"TCP\",\"183.230.40.33\",80\r\n"

#define SECOND  1000L

// 串口

#define _baudrate   9600

#define _rxpin      3

#define _txpin      2

#define  DBG_UART  dbgSerial   //调试打印串口

#define  WIFI_UART  Serial

SoftwareSerial dbgSerial(_rxpin, _txpin ); // 软串口,调试打印

void setup() {

//--------------------------------------

//pinMode(resetWIFI, OUTPUT);//控制 模块的重新启动

//pinMode(ledPin, OUTPUT);   //WIFI模块指示灯

digitalWrite(ledPin, HIGH);   // 使Led亮

digitalWrite(resetWIFI, LOW); //硬件复位8266

delay(250);

digitalWrite(resetWIFI, HIGH);

delay(2000);

//--------------------------------------

WIFI_UART.begin( _baudrate );

DBG_UART.begin( _baudrate );

while (!WIFI_UART) {

;

}

while (!DBG_UART) {

;

}

//------------------------------------------

//init WIFI module

DBG_UART.print("1. AT\r\n");

if(ESP8266_SendCmd("AT\r\n", "OK", 1800))resetFunc();

//ESP8266_SendCmd("AT+CWMODE=3\r\n", "OK", 1800);

delay(500);

DBG_UART.print("2. CWJAP\r\n");

if (ESP8266_SendCmd(ESP8266_WIFI_INFO,"GOT IP", 5000))resetFunc(); //CONNECTED

delay(500);

DBG_UART.print("3. CIPSTART\r\n");

if (ESP8266_SendCmd(ESP8266_ONENET_INFO,"CONNECT", 3000))resetFunc();

delay(500);

ESP8266_SendCmd("AT+CIPMODE=1\r\n","OK", 2000);

delay(500);

DBG_UART.print("4. CIPSEND\r\n");

if (ESP8266_SendCmd("AT+CIPSEND\r\n",">", 3000))resetFunc();

DBG_UART.print("5. ESP8266 InitOK\r\n");

}

void loop() {

if (++timeCount >= 10)

{

DBG_UART.print("OneNet_SendDatastart\r\n");

if (SendDataByHttp())

DBG_UART.print("OneNet_SendDatasuccess!\r\n");

else

DBG_UART.print("OneNet_SendDatafail!\r\n");

timeCount = 0;

}

delay(500);

}

bool findstr(String str,char *key)

{

int num = str.length();

int len = strlen(key);

int i, k;

if (num >= len)

{

for (i = 0; i <= num - len; i++)

{

for (k = 0; k < len; k++)

{

if (str[k + i] != key[k])break;

}

if (k >= len)return true;

}

}

return false;

}

/*

doCmdOk

发送命令至模块,从回复中获取期待的关键字

keyword: 所期待的关键字

成功找到关键字返回true,否则返回false

*/

bool ESP8266_SendCmd(StringstrCmd, char *OkKey, unsigned int timeout)

{

String strData = "";

char c;

unsigned long t;

WIFI_UART.print(strCmd);

//等待应答

t = millis();

while ((t + timeout) > millis())

{

while (WIFI_UART.available())

{

c = WIFI_UART.read();

strData += c;

}

}

if (findstr(strData, OkKey))

{

DBG_UART.println(strData);

return false;

}

else

{

DBG_UART.print(strData);

return true;

}

}

String CreateDataForHttp(char *strStreamId,double value)

{

//String str ="{\"datastreams\":[{\"id\":\"" +String(strStreamId) +"\",\"datapoints\":[{\"value\":" +String(value) + "}]}]}"; //默认为完整JSON型

String str = "{\"" +String(strStreamId) + "\":" + String(value) + "}";//type=3

return str;

}

bool SendDataByHttp()

{

int cnt;

char c;

String ptr;

String strData = "";

unsigned long timeout = 0;

char val=analogRead(A0);

float temp=val*0.4888;

ptr =CreateDataForHttp("sys-mmm",temp); //自己定义数据,或者获取传感器数据

cnt = ptr.length();

//发送数据 http

WIFI_UART.print("POST /devices/"+ String(DEVICE_ID) + "/datapoints?type=3 HTTP/1.1\r\n");//DBG_UART.print("POST /devices/" + String(DEVICE_ID) +"/datapoints HTTP/1.1\r\n");

WIFI_UART.print("api-key:" +String(API_KEY) + "\r\n");//DBG_UART.print("api-key:" +String(API_KEY) + "\r\n");

WIFI_UART.print("Host:api.heclouds.com\r\n");//DBG_UART.print("Host:api.heclouds.com\r\n");

WIFI_UART.print("Content-Length:"+ String(cnt) + "\r\n");//DBG_UART.print("Content-Length:"+ String(cnt) + "\r\n");

WIFI_UART.println(); // DBG_UART.println();

WIFI_UART.print(ptr);//DBG_UART.print(ptr);

WIFI_UART.println(); //DBG_UART.println();

DBG_UART.println(ptr);

//delay(1000);

//等待结果

strData = "";

timeout = millis();

while (millis() - timeout < 5000)

{

while (WIFI_UART.available())

{

c = char(WIFI_UART.read());

strData += c;

}

}

if (findstr(strData, "OK"))

{

DBG_UART.println(strData);

return true;

}

else

{

DBG_UART.println(strData);

return false;

}

}

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