esp01无法接收到来自Android应用的打开/关闭LED的请求，即使发送了请求，响应代码也为null。重新连接arduino系统时，所有先前失败的请求都会立即显示在串行监视器上。之前它可以正常工作，但之前也有一个延迟。我在下面附加了arduino和android代码。请帮忙。
Arduino代码-
Building wheels for collected packages: gym-retro
Building wheel for gym-retro (setup.py): started
Building wheel for gym-retro (setup.py): finished with status 'error'
Complete output from command c:\users\evgeny\appdata\local\programs\python\python37-32\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\Evgeny\\AppData\\Local\\Temp\\pip-install-t3ctdvi3\\gym-retro\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d C:\Users\Evgeny\AppData\Local\Temp\pip-wheel-q1w5imfc --python-tag cp37:
use_scm_version False
running bdist_wheel
running build
running build_py
creating build
creating build\lib.win32-3.7
creating build\lib.win32-3.7\retro
copying retro\enums.py -> build\lib.win32-3.7\retro
copying retro\retro_env.py -> build\lib.win32-3.7\retro
copying retro\__init__.py -> build\lib.win32-3.7\retro
creating build\lib.win32-3.7\retro\data
copying retro\data\__init__.py -> build\lib.win32-3.7\retro\data
creating build\lib.win32-3.7\retro\data\stable
copying retro\data\stable\__init__.py -> build\lib.win32-3.7\retro\data\stable
</skipped lots of text here/>
running build_ext
-- Submodules seem to be missing. Attempting to clone now.
CMake Error at CMakeLists.txt:13 (message):
Failed to check out submodules. Aborting.
-- Configuring incomplete, errors occurred!
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:\Users\Evgeny\AppData\Local\Temp\pip-install-t3ctdvi3\gym-retro\setup.py", line 92, in <module>
**kwargs
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\site-packages\setuptools\__init__.py", line 131, in setup
return distutils.core.setup(**attrs)
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\distutils\core.py", line 148, in setup
dist.run_commands()
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\distutils\dist.py", line 966, in run_commands
self.run_command(cmd)
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\site-packages\setuptools\command\install.py", line 61, in run
return orig.install.run(self)
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\distutils\command\install.py", line 545, in run
self.run_command('build')
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\distutils\command\build.py", line 135, in run
self.run_command(cmd_name)
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "C:\Users\Evgeny\AppData\Local\Temp\pip-install-t3ctdvi3\gym-retro\setup.py", line 53, in run
subprocess.check_call([cmake_exe, '.', '-G', 'Unix Makefiles', build_type, pyext_suffix, pylib_dir, python_executable])
File "c:\users\evgeny\appdata\local\programs\python\python37-32\lib\subprocess.py", line 341, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['C:\\Users\\Evgeny\\AppData\\Local\\Programs\\Python\\Python37-32\\Scripts\\cmake.exe', '.', '-G', 'Unix Makefiles', '', '-DPYEXT_SUFFIX:STRING=.cp37-win32.pyd', '-DPYLIB_DIRECTORY:PATH=build\\lib.win32-3.7', '-DPYTHON_EXECUTABLE:STRING=c:\\users\\evgeny\\appdata\\local\\programs\\python\\python37-32\\python.exe']' returned non-zero exit status 1.
Android代码
#include <SoftwareSerial.h>
#define DEBUG true
int led =11;
int ldr = A0;
int threshold=300;
int connectionId;
boolean iotLogic = true;
SoftwareSerial esp8266(2,3); // make RX Arduino line is pin 2, make TX Arduino line is pin 3.
// This means that you need to connect the TX line from the esp to the Arduino's pin 2
// and the RX line from the esp to the Arduino's pin 3
void setup()
{
Serial.begin(115200);
esp8266.begin(115200); // your esp's baud rate might be different
pinMode(led,OUTPUT);
digitalWrite(led,LOW);
sendCommand("AT+RST\r\n",2000,DEBUG); // reset module
sendCommand("AT+CWMODE=3\r\n",2000,DEBUG); // configure as access point
sendCommand("AT+CWJAP=\"PKS\",\"91101132\"\r\n",2000,DEBUG);
delay(3000);
sendCommand("AT+CIFSR\r\n",2000,DEBUG); // get ip address
sendCommand("AT+CIPMUX=1\r\n",2000,DEBUG); // configure for multiple connections
sendCommand("AT+CIPSERVER=1,80\r\n",2000,DEBUG); // turn on server on port 80
Serial.println("Server Ready");
}
void loop()
{
int sensorval=analogRead(ldr);
if(esp8266.available()) // check if the esp is sending a message
{
if(esp8266.find("+IPD,"))
{
delay(1000); // wait for the serial buffer to fill up (read all the serial data)
// get the connection id so that we can then disconnect
connectionId = esp8266.read()-48; // subtract 48 because the read() function returns
// the ASCII decimal value and 0 (the first decimal number) starts at 48
if(esp8266.find("IOT=")){// advance cursor to "pin="
int iot= esp8266.read()-48;
Serial.println(iot);
if(iot==1){
iotLogic=true;
}
else if(iot==0){
iotLogic=false;
}
}
if(iotLogic){
if(sensorval>threshold){
digitalWrite(led,LOW);
}
else{
digitalWrite(led,HIGH);
}
}
else{
esp8266.find("pin=");
int val=esp8266.read()-48;
Serial.println(val);
if(val==1){
digitalWrite(led,HIGH);
}
else{
digitalWrite(led,LOW);
}
}
// build string that is send back to device that is requesting pin toggle
String content;
content = "Pin ";
content += led;
content += " is ";
if(digitalRead(led))
{
content += "ON";
}
else
{
content += "OFF";
}
sendHTTPResponse(connectionId,content);
// make close command
String closeCommand = "AT+CIPCLOSE=";
closeCommand+=connectionId; // append connection id
closeCommand+="\r\n";
sendCommand(closeCommand,1000,DEBUG); // close connection
}
}
}
/*
* Name: sendData
* Description: Function used to send data to ESP8266.
* Params: command - the data/command to send; timeout - the time to wait for a response; debug - print to Serial window?(true = yes, false = no)
* Returns: The response from the esp8266 (if there is a reponse)
*/
String sendData(String command, const int timeout, boolean debug)
{
String response = "";
int dataSize = command.length();
char data[dataSize];
command.toCharArray(data,dataSize);
esp8266.write(data,dataSize); // send the read character to the esp8266
if(debug)
{
Serial.println("\r\n====== HTTP Response From Arduino ======");
Serial.write(data,dataSize);
Serial.println("\r\n========================================");
}
long int time = millis();
while( (time+timeout) > millis())
{
while(esp8266.available())
{
// The esp has data so display its output to the serial window
char c = esp8266.read(); // read the next character.
response+=c;
}
}
if(debug)
{
Serial.println(response);
}
return response;
}
/*
* Name: sendHTTPResponse
* Description: Function that sends HTTP 200, HTML UTF-8 response
*/
void sendHTTPResponse(int connectionId, String content)
{
// build HTTP response
String httpResponse;
String httpHeader;
// HTTP Header
httpHeader = "HTTP/1.1 200 OK\r\nContent-Type: text/html; charset=UTF-8\r\n";
httpHeader += "Content-Length: ";
httpHeader += content.length();
httpHeader += "\r\n";
httpHeader +="Connection: keep-alive\r\n\r\n";
httpResponse = httpHeader + content + " "; // There is a bug in this code: the last character of "content" is not sent, I cheated by adding this extra space
sendCIPData(connectionId,httpResponse);
}
/*
* Name: sendCIPDATA
* Description: sends a CIPSEND=<connectionId>,<data> command
*
*/
void sendCIPData(int connectionId, String data)
{
String cipSend = "AT+CIPSEND=";
cipSend += connectionId;
cipSend += ",";
cipSend +=data.length();
cipSend +="\r\n";
sendCommand(cipSend,1000,DEBUG);
sendData(data,1000,DEBUG);
}
/*
* Name: sendCommand
* Description: Function used to send data to ESP8266.
* Params: command - the data/command to send; timeout - the time to wait for a response; debug - print to Serial window?(true = yes, false = no)
* Returns: The response from the esp8266 (if there is a reponse)
*/
String sendCommand(String command, const int timeout, boolean debug)
{
String response = "";
esp8266.print(command); // send the read character to the esp8266
long int time = millis();
while( (time+timeout) > millis())
{
while(esp8266.available())
{
// The esp has data so display its output to the serial window
char c = esp8266.read(); // read the next character.
response+=c;
}
}
if(debug)
{
Serial.print(response);
}
return response;
}