Guys, I have a program made for the Arduino Uno that compiles and works very well, but when it is compiling some red warning lines appear that I don't know what they are. Can anyone help me.
FQBN: arduino:avr:uno
Using board 'uno' from platform in folder: C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6
Using core 'arduino' from platform in folder: C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6
Detecting libraries used...
C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10607 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\cores\arduino -IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\variants\standard C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC\sketch\CDCB_Standard_Monitor_English_Test.ino.cpp -o nul
Alternatives for EEPROM.h: [EEPROM@2.0]
ResolveLibrary(EEPROM.h)
-> candidates: [EEPROM@2.0]
C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10607 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\cores\arduino -IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\variants\standard -IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\libraries\EEPROM\src C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC\sketch\CDCB_Standard_Monitor_English_Test.ino.cpp -o nul
Generating function prototypes...
C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10607 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\cores\arduino -IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\variants\standard -IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\libraries\EEPROM\src C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC\sketch\CDCB_Standard_Monitor_English_Test.ino.cpp -o C:\Users\Alessandro\AppData\Local\Temp\3064573041\sketch_merged.cpp
C:\Users\Alessandro\AppData\Local\Arduino15\packages\builtin\tools\ctags\5.8-arduino11/ctags -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives C:\Users\Alessandro\AppData\Local\Temp\3064573041\sketch_merged.cpp
Compiling sketch...
"C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-g++" -c -g -Os -Wall -Wextra -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10607 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\cores\arduino" "-IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\variants\standard" "-IC:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\libraries\EEPROM\src" "C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC\sketch\CDCB_Standard_Monitor_English_Test.ino.cpp" -o "C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC\sketch\CDCB_Standard_Monitor_English_Test.ino.cpp.o"
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino: In function 'bool Emergencia()':
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:284:32: warning: unknown escape sequence: '\P'
EscritaSerial("t0.txt=", "\x22\PRESS THE RESET BUTTON\x22");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:299:32: warning: unknown escape sequence: '\040'
EscritaSerial("t0.txt=", "\x22\ \x22");
^~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino: In function 'bool Seguranca()':
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:320:32: warning: unknown escape sequence: '\O'
EscritaSerial("t0.txt=", "\x22\OPEN POWER SINK THERMOSTAT\x22");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:337:32: warning: unknown escape sequence: '\O'
EscritaSerial("t0.txt=", "\x22\OPEN THERMAL OVERLOAD RELAY\x22");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:354:32: warning: unknown escape sequence: '\S'
EscritaSerial("t0.txt=", "\x22\STOPPED TREATMENT ROLL\x22");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:369:32: warning: unknown escape sequence: '\040'
EscritaSerial("t0.txt=", "\x22\ \x22");
^~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino: In function 'void LeituraSerial()':
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:402:38: warning: unknown escape sequence: '\040'
EscritaSerial("t0.txt=", "\x22\ \x22");
^~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:430:38: warning: unknown escape sequence: '\040'
EscritaSerial("t0.txt=", "\x22\ \x22");
^~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino: In function 'void Fault()':
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:698:36: warning: unknown escape sequence: '\S'
EscritaSerial("t0.txt=", "\x22\SHORT CIRCUIT\x22");
^~~~~~~~~~~~~~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:709:36: warning: unknown escape sequence: '\O'
EscritaSerial("t0.txt=", "\x22\OPEN CIRCUIT\x22");
^~~~~~~~~~~~~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:723:36: warning: unknown escape sequence: '\040'
EscritaSerial("t0.txt=", "\x22\ \x22");
^~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino: In function 'void MemSetpoint()':
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:743:32: warning: unknown escape sequence: '\M'
EscritaSerial("t0.txt=", "\x22\MEMORIZED SETPOINT\x22");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:752:34: warning: unknown escape sequence: '\040'
EscritaSerial("t0.txt=", "\x22\ \x22");
^~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino: In function 'void Monitor()':
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:777:36: warning: unknown escape sequence: '\O'
EscritaSerial("t0.txt=", "\x22\OUT OF POWER RANGE\x22");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:\Users\Alessandro\Documents\Arduino\CDCB_Standard_Monitor_English_Test\CDCB_Standard_Monitor_English_Test.ino:787:38: warning: unknown escape sequence: '\040'
EscritaSerial("t0.txt=", "\x22\ \x22");
^~~~~~~~~~~~
Compiling libraries...
Compiling library "EEPROM"
Compiling core...
Using precompiled core: C:\Users\Alessandro\AppData\Local\Temp\arduino\cores\arduino_avr_uno_3357823c29c93a4a255374de493c7151\core.a
Linking everything together...
"C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-gcc" -Wall -Wextra -Os -g -flto -fuse-linker-plugin -Wl,--gc-sections -mmcu=atmega328p -o "C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC/CDCB_Standard_Monitor_English_Test.ino.elf" "C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC\sketch\CDCB_Standard_Monitor_English_Test.ino.cpp.o" "C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC/..\..\cores\arduino_avr_uno_3357823c29c93a4a255374de493c7151\core.a" "-LC:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC" -lm
"C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-objcopy" -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 "C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC/CDCB_Standard_Monitor_English_Test.ino.elf" "C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC/CDCB_Standard_Monitor_English_Test.ino.eep"
"C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-objcopy" -O ihex -R .eeprom "C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC/CDCB_Standard_Monitor_English_Test.ino.elf" "C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC/CDCB_Standard_Monitor_English_Test.ino.hex"
Using library EEPROM at version 2.0 in folder: C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\libraries\EEPROM
"C:\Users\Alessandro\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-size" -A "C:\Users\Alessandro\AppData\Local\Temp\arduino\sketches\D925C4ECA18F0880F7F13C5EF213FBEC/CDCB_Standard_Monitor_English_Test.ino.elf"
Sketch uses 7350 bytes (22%) of program storage space. Maximum is 32256 bytes.
Global variables use 682 bytes (33%) of dynamic memory, leaving 1366 bytes for local variables. Maximum is 2048 bytes.