mega2560+esp8266+dht11遇到烧录程序超时
编译通过,但是下载程序时会超时。IDE换了好几个版本的也不行,确定板子和串口是对的,io口全部没接也不能下载,其他程序可以正常下载。如果把这个程序中的#define DebugSerial Serial 相关代码注释掉,也能正常下载,不知道怎么回事就是一个mega2560+dht11+esp8266,读取温湿度数据上传到onenet
所需库文件链接:http://pan.baidu.com/s/1miJEIFI 密码:y8ks
ESP8266 ---> Serial3(TX3/RX3) 用户发送和读取WIFI指令
DHT11 ---> D8 单总线读取温湿度数据值
DEBUG接口---> Serial(D0/D1)
1.把发送给ESP8266的数据,也在DEBUG串口输出,观看指令运行到哪一步,
2.ESP8266接收的数据,也通过DEBUG口转发出来,观看反馈数据是否正确。
3.错误跳转,观看错误发生的位置
附上全套代码以及库文件
#include <TimerOne.h>
#include <HttpPacket.h>
#include <ArduinoJson.h>
#include <dht11.h>
dht11 DHT11;
#define DHT11PIN 8 //DHT11 连接ARDUINO 8
HttpPacketHead packet;
#define DebugSerial Serial
#define ESP8266Serail Serial3
#define Success 1U
#define Failure 0U
int L = 13; //LED指示灯引脚
unsigned longTime_Cont = 0; //定时器计数器
const unsigned int esp8266RxBufferLength = 600;
char esp8266RxBuffer;
unsigned int ii = 0;
char OneNetServer[] = "api.heclouds.com"; //不需要修改
const char ssid[] = "PushPull"; //修改为自己的路由器用户名
const char password[] = "********"; //修改为自己的路由器密码
char device_id[] = "600911"; //修改为自己的设备ID
char API_KEY[] = "R9xO5NZm6oVI4YBHvCPKEqtwYtMA"; //修改为自己的API_KEY
char sensor_id1[] = "TEMP";
char sensor_id2[] = "HUMI";
void setup() {
pinMode(L, OUTPUT);
digitalWrite(L, LOW);
DebugSerial.begin(9600);
ESP8266Serail.begin(115200);
Timer1.initialize(1000);
Timer1.attachInterrupt(Timer1_handler);
initEsp8266();
DebugSerial.println("setup end!");
}
void loop() {
//获取温湿度数据
int chk = DHT11.read(DHT11PIN); //读取温湿度值
//串口调试DHT11输出信息
DebugSerial.print("Read sensor: ");
switch (chk)
{
case DHTLIB_OK:
DebugSerial.println("OK");
break;
case DHTLIB_ERROR_CHECKSUM:
DebugSerial.println("Checksum error");
break;
case DHTLIB_ERROR_TIMEOUT:
DebugSerial.println("Time out error");
break;
default:
DebugSerial.println("Unknown error");
break;
}
//发送数据到Onenet
postDataToOneNet(API_KEY,device_id,sensor_id1,DHT11.temperature);
delay(100);
postDataToOneNet(API_KEY,device_id,sensor_id2,DHT11.humidity);
delay(5000);
}
void postDataToOneNet(char* API_VALUE_temp,char* device_id_temp,char* sensor_id_temp,double thisData)
{
//合成POST请求
StaticJsonBuffer<200> jsonBuffer;
JsonObject& value = jsonBuffer.createObject();
value["value"] = thisData;
JsonObject& id_datapoints = jsonBuffer.createObject();
id_datapoints["id"] = sensor_id_temp;
JsonArray& datapoints = id_datapoints.createNestedArray("datapoints");
datapoints.add(value);
JsonObject& myJson = jsonBuffer.createObject();
JsonArray& datastreams = myJson.createNestedArray("datastreams");
datastreams.add(id_datapoints);
char p;
int num = myJson.printTo(p, sizeof(p));
packet.setHostAddress(OneNetServer);
packet.setDevId(device_id_temp); //device_id
packet.setAccessKey(API_VALUE_temp);//API_KEY
// packet.setDataStreamId("<datastream_id>"); //datastream_id
// packet.setTriggerId("<trigger_id>");
// packet.setBinIdx("<bin_index>");
/*create the http message about add datapoint */
packet.createCmdPacket(POST, TYPE_DATAPOINT, p);
// if (strlen(packet.content))
//Serial.print(packet.content);
// Serial.print(p);
int httpLength = strlen(packet.content) + num;
//连接服务器
char cmd;
memset(cmd, 0, 400); //清空cmd
strcpy(cmd, "AT+CIPSTART=\"TCP\",\"");
strcat(cmd, OneNetServer);
strcat(cmd, "\",80\r\n");
if (sendCommand(cmd, "CONNECT", 7, 10000, 5) == Success);
else ESP8266_ERROR(1);
//发送数据
memset(cmd, 0, 400); //清空cmd
sprintf(cmd, "AT+CIPSEND=%d\r\n", httpLength);
if (sendCommand(cmd, ">", 1, 3000, 1) == Success);
else ESP8266_ERROR(2);
memset(cmd, 0, 400); //清空cmd
strcpy(cmd, packet.content);
strcat(cmd, p);
if (sendCommand(cmd, "\"succ\"}", 7, 3000, 3) == Success);
else ESP8266_ERROR(3);
if (sendCommand("AT+CIPCLOSE\r\n", "CLOSED", 6, 3000, 1) == Success);
else ESP8266_ERROR(4);
}
void initEsp8266()
{
if (sendCommand("AT\r\n", "OK", 2, 3000, 10) == Success);
else ESP8266_ERROR(5);
if (sendCommand("AT+RST\r\n", "ready", 5, 10000, 10) == Success);
else ESP8266_ERROR(6);
if (sendCommand("AT+CWMODE=1\r\n", "OK", 2, 3000, 10) == Success);
else ESP8266_ERROR(7);
char cmd;
strcpy(cmd, "AT+CWJAP=\"");
strcat(cmd, ssid);
strcat(cmd, "\",\"");
strcat(cmd, password);
strcat(cmd, "\"\r\n");
if (sendCommand(cmd, "OK", 2, 20000, 10) == Success);
else ESP8266_ERROR(8);
if (sendCommand("AT+CIPMUX=0\r\n", "OK", 2, 3000, 10) == Success);
else ESP8266_ERROR(9);
if (sendCommand("AT+CIFSR\r\n", "OK", 2, 20000, 10) == Success);
else ESP8266_ERROR(10);
}
void(* resetFunc) (void) = 0; //制造重启命令
void ESP8266_ERROR(int num)
{
DebugSerial.print("ERROR");
DebugSerial.println(num);
while (1)
{
digitalWrite(L, HIGH);
delay(300);
digitalWrite(L, LOW);
delay(300);
if (sendCommand("AT\r\n", "OK", 2, 100, 10) == Success)
{
DebugSerial.print("\r\nRESET!!!!!!\r\n");
resetFunc();
}
}
}
unsigned int sendCommand(char *Command, char *Response, unsigned int Res_Length, unsigned long Timeout, unsigned char Retry)
{
clrEsp8266RxBuffer();
for (unsigned char n = 0; n < Retry; n++)
{
DebugSerial.print("\r\nsend AT Command:\r\n----------\r\n");
DebugSerial.write(Command);
ESP8266Serail.write(Command);
Time_Cont = 0;
while (Time_Cont < Timeout)
{
esp8266ReadBuffer();
if ((mystrstr(esp8266RxBuffer, Response, ii, Res_Length)) != NULL)
{
DebugSerial.print("\r\nreceive AT Command:\r\n==========\r\n");
DebugSerial.print(esp8266RxBuffer); //输出接收到的信息
clrEsp8266RxBuffer();
return Success;
}
}
Time_Cont = 0;
}
DebugSerial.print("\r\nreceive AT Command:\r\n==========\r\n");
DebugSerial.print(esp8266RxBuffer);//输出接收到的信息
clrEsp8266RxBuffer();
return Failure;
}
unsigned char mystrstr(char *s, char *t, unsigned int Length_s, unsigned int Length_t)
{ char x = 0; char *p; p = t;
int i = 0, j = 0;
for (; i < Length_s; s++, i++)
{
while (*t == *s)
{ s++; t++; i++; j++;
if (j >= Length_t) return 1;
}
s -= j;
t = p; j = 0;
}
return NULL;
}
void Timer1_handler(void)
{
Time_Cont++;
}
void esp8266ReadBuffer() {
while (ESP8266Serail.available())
{
esp8266RxBuffer = ESP8266Serail.read();
if (ii == esp8266RxBufferLength)clrEsp8266RxBuffer();
}
}
void clrEsp8266RxBuffer(void)
{
memset(esp8266RxBuffer, 0, esp8266RxBufferLength); //清空
ii = 0;
} 你板子插一下电脑看会不会自动复位,如果不会可能是丢Bootloader了 赤云 发表于 2017-5-16 00:17
你板子插一下电脑看会不会自动复位,如果不会可能是丢Bootloader了
奇怪的是,烧其他程序一切正常,就烧这个程序会超时。这也是丢bootloader? 再见依然13 发表于 2017-5-19 19:22
奇怪的是,烧其他程序一切正常,就烧这个程序会超时。这也是丢bootloader?
那应该不是BootLoader的问题了,我一般遇到下不了程序,要么就BootLoader,要么就arduino串口连其他东西了,现在看来都不是额 赤云 发表于 2017-5-19 21:58
那应该不是BootLoader的问题了,我一般遇到下不了程序,要么就BootLoader,要么就arduino串口连其他东西 ...
是的,很奇怪,尴尬了,这个程序注释掉debug就能下载,但是程序还有问题,就是两个小时后数据就传不了, 得重启arduino才行,目前就是想看debug信息看不了 可能是!!!问题导致,,,这句 DebugSerial.print("\r\nRESET!!!!!!\r\n");中含有!!!,, txrx 有个口被占用!导致的!
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