#include "WiFiEsp.h"
// Emulate Serial1 on pins 6/7 if not present
#ifndef HAVE_HWSERIAL1
#include "SoftwareSerial.h"
SoftwareSerial Serial1(6, 7); // RX, TX
#endif
String res = "";
char ssid[] = "ssid"; // your network SSID (name)
char pass[] = "passs"; // your network password
int status = WL_IDLE_STATUS; // the Wifi radio's status
int reqCount = 0; // number of requests received
WiFiEspServer server(23);
WiFiEspClient client;
void setup() {
pinMode(2,OUTPUT);
Serial.begin(115200);
// initialize serial for ESP module
Serial1.begin(9600);
// initialize ESP module
WiFi.init(&Serial1);
// check for the presence of the shield
if (WiFi.status() == WL_NO_SHIELD) {
Serial.println("WiFi shield not present");
// don't continue
while (true);
}
// attempt to connect to WiFi network
while ( status != WL_CONNECTED) {
Serial.print("Attempting to connect to WPA SSID: ");
Serial.println(ssid);
// Connect to WPA/WPA2 network
status = WiFi.begin(ssid, pass);
}
Serial.println("You're connected to the network");
Serial.println(WiFi.localIP());
WiFi.config(IPAddress(192,168,0,165));
// start the web server on port 80
server.begin();
}
void loop(){
if(!client){
client = server.available();
if(client){
client.println("Welcome to telnet server!, 192.168.0.165:23");
client.flush();
}
}
if(client){
if(client.available()>0){
res = "";
while(client.available()>0){
//char inChar = client.read();
// if(inChar == 'Q')client.stop();
// else if(inChar == 'H') digitalWrite(2,HIGH);
// else if (inChar == 'J') digitalWrite(2,LOW);
char c = client.read();
res += c;
}
Serial.println(res);
int i = res.indexOf("ON")+3;
int j = i+1;
String hh = res.substring(i,j);
int type = hh.toInt();
Serial.println(hh);
if(type == 1)
{
int ii = res.indexOf("ON")+5;
int jj = ii+1;
String hhh = res.substring(ii,jj);
Serial.println(hhh);
int ihhh = hhh.toInt();
if(ihhh != 0 && ihhh != 1 && (2 <=ihhh)&& ( ihhh <= 9 ))
{
pinMode(ihhh,OUTPUT);
digitalWrite(ihhh,HIGH);
}
else{
client.print("Pin is TX/RX, or not 2<= pin <=9\r\n");
client.flush();
}
}else if(type == 2){
int iii = res.indexOf("ON")+5;
int jjj = iii+2;
String hhhh = res.substring(iii,jjj);
Serial.println(hhhh);
int ihhhh = hhhh.toInt();
if(ihhhh != 0 && ihhhh != 1 && !((2<=ihhhh)&&(ihhhh <= 9)) && (10 <= ihhhh)&&(ihhhh <= 13 ))
{
pinMode(ihhhh,OUTPUT);
digitalWrite(ihhhh,HIGH);
}
else{
client.print("Pin is TX/RX, or not 2<= pin <=9\r\n");
client.flush();
}
}
}
// client.flush();
if(!client.connected())
Serial.println("Client disconnected from Telnet Server");
}
}
Error is:
Arduino: 1.8.9 (Windows Store 1.8.21.0) (Windows 10), Board: "Arduino/Genuino Uno"
C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.21.0_x86__mdqgnx93n4wtt\hardware\arduino\avr\cores\arduino\HardwareSerial.cpp: In member function 'availableForWrite':
C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.21.0_x86__mdqgnx93n4wtt\hardware\arduino\avr\cores\arduino\HardwareSerial.cpp:203:1: internal compiler error: Segmentation fault
}
^
Please submit a full bug report,
with preprocessed source if appropriate.
See http://gcc.gnu.org/bugs.html for instructions.
lto-wrapper.exe: fatal error: C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.21.0_x86__mdqgnx93n4wtt\hardware\tools\avr/bin/avr-gcc returned 1 exit status
compilation terminated.
c:/program files/windowsapps/arduinollc.arduinoide_1.8.21.0_x86__mdqgnx93n4wtt/hardware/tools/avr/bin/../lib/gcc/avr/5.4.0/../../../../avr/bin/ld.exe: error: lto-wrapper failed
collect2.exe: error: ld returned 1 exit status
exit status 1 Error compiling for board Arduino/Genuino Uno.
Arduino IDE version is: 1.8.9(Windows Store 1.8.21.0)