C:\Users\Thomas\Documents\Arduino\Doorpi\Doorpi.ino:62:1: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]

 };

 ^

C:\Users\Thomas\Documents\Arduino\Doorpi\Doorpi.ino:62:1: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]

C:\Users\Thomas\Documents\Arduino\Doorpi\Doorpi.ino: In function 'void loop()':

C:\Users\Thomas\Documents\Arduino\Doorpi\Doorpi.ino:326:20: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]

             device = "DS2401";

                    ^

C:\Users\Thomas\Documents\Arduino\Doorpi\Doorpi.ino:367:20: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]

             device = "unknown";

                    ^

In file included from C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.h:18:0,

                 from C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:15:

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp: In function 'bool recvRetNumber(uint32_t*, uint32_t)':

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexConfig.h:37:19: error: 'Serial2' was not declared in this scope

 #define nexSerial Serial2

                   ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:55:5: note: in expansion of macro 'nexSerial'

     nexSerial.setTimeout(timeout);

     ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:67:31: warning: left shift count >= width of type

         *number = (temp[4] << 24) | (temp[3] << 16) | (temp[2] << 8) | (temp[1]);

                               ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:67:49: warning: left shift count >= width of type

         *number = (temp[4] << 24) | (temp[3] << 16) | (temp[2] << 8) | (temp[1]);

                                                 ^

In file included from C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.h:18:0,

                 from C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:15:

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp: In function 'uint16_t recvRetString(char*, uint16_t, uint32_t)':

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexConfig.h:37:19: error: 'Serial2' was not declared in this scope

 #define nexSerial Serial2

                   ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:114:16: note: in expansion of macro 'nexSerial'

         while (nexSerial.available())

                ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp: In function 'void sendCommand(const char*)':

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexConfig.h:37:19: error: 'Serial2' was not declared in this scope

 #define nexSerial Serial2

                   ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:166:12: note: in expansion of macro 'nexSerial'

     while (nexSerial.available())

            ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexConfig.h:37:19: error: 'Serial2' was not declared in this scope

 #define nexSerial Serial2

                   ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:171:5: note: in expansion of macro 'nexSerial'

     nexSerial.print(cmd);

     ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp: In function 'bool recvRetCommandFinished(uint32_t)':

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexConfig.h:37:19: error: 'Serial2' was not declared in this scope

 #define nexSerial Serial2

                   ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:192:5: note: in expansion of macro 'nexSerial'

     nexSerial.setTimeout(timeout);

     ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp: In function 'bool nexInit()':

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexConfig.h:37:19: error: 'Serial2' was not declared in this scope

 #define nexSerial Serial2

                   ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:226:5: note: in expansion of macro 'nexSerial'

     nexSerial.begin(9600);

     ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp: In function 'void nexLoop(NexTouch**)':

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexConfig.h:37:19: error: 'Serial2' was not declared in this scope

 #define nexSerial Serial2

                   ^

C:\Users\Thomas\Documents\Arduino\libraries\ITEADLIB_Arduino_Nextion-master\NexHardware.cpp:242:12: note: in expansion of macro 'nexSerial'

     while (nexSerial.available() > 0)

            ^

exit status 1