Arduino: 1.8.9 (Windows 10), TD: 1.50, Board: "Teensy 4.0, Serial, 600 MHz, Faster, US English" C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\DW\Documents\Arduino\libraries -fqbn=teensy:avr:teensy40:usb=serial,speed=600,opt=o2std,keys=en-us -ide-version=10809 -build-path C:\Users\DW\AppData\Local\Temp\arduino_build_513841 -warnings=none -build-cache C:\Users\DW\AppData\Local\Temp\arduino_cache_318560 -verbose C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC\examples\adc_test\adc_test.ino C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\DW\Documents\Arduino\libraries -fqbn=teensy:avr:teensy40:usb=serial,speed=600,opt=o2std,keys=en-us -ide-version=10809 -build-path C:\Users\DW\AppData\Local\Temp\arduino_build_513841 -warnings=none -build-cache C:\Users\DW\AppData\Local\Temp\arduino_cache_318560 -verbose C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC\examples\adc_test\adc_test.ino Using board 'teensy40' from platform in folder: C:\Program Files (x86)\Arduino\hardware\teensy\avr Using core 'teensy4' from platform in folder: C:\Program Files (x86)\Arduino\hardware\teensy\avr Detecting libraries used... "C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -std=gnu++14 -fno-exceptions -fpermissive -fno-rtti -fno-threadsafe-statics -felide-constructors -Wno-error=narrowing -mthumb -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -D__IMXRT1062__ -DTEENSYDUINO=150 -DARDUINO=10809 -DARDUINO_TEENSY40 -DF_CPU=600000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy4" "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841\\sketch\\adc_test.ino.cpp" -o nul "C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -std=gnu++14 -fno-exceptions -fpermissive -fno-rtti -fno-threadsafe-statics -felide-constructors -Wno-error=narrowing -mthumb -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -D__IMXRT1062__ -DTEENSYDUINO=150 -DARDUINO=10809 -DARDUINO_TEENSY40 -DF_CPU=600000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy4" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\ADC" "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841\\sketch\\adc_test.ino.cpp" -o nul Using cached library dependencies for file: C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC\ADC.cpp Using cached library dependencies for file: C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC\ADC_Module.cpp Using cached library dependencies for file: C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC\AnalogBufferDMA.cpp Using cached library dependencies for file: C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC\RingBuffer.cpp "C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -std=gnu++14 -fno-exceptions -fpermissive -fno-rtti -fno-threadsafe-statics -felide-constructors -Wno-error=narrowing -mthumb -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -D__IMXRT1062__ -DTEENSYDUINO=150 -DARDUINO=10809 -DARDUINO_TEENSY40 -DF_CPU=600000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy4" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\ADC" "C:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\ADC\\RingBufferDMA.cpp" -o nul Generating function prototypes... "C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -E -CC -x c++ -w -g -Wall -ffunction-sections -fdata-sections -nostdlib -std=gnu++14 -fno-exceptions -fpermissive -fno-rtti -fno-threadsafe-statics -felide-constructors -Wno-error=narrowing -mthumb -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -D__IMXRT1062__ -DTEENSYDUINO=150 -DARDUINO=10809 -DARDUINO_TEENSY40 -DF_CPU=600000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy4" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\ADC" "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841\\sketch\\adc_test.ino.cpp" -o "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841\\preproc\\ctags_target_for_gcc_minus_e.cpp" "C:\\Program Files (x86)\\Arduino\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841\\preproc\\ctags_target_for_gcc_minus_e.cpp" Compiling sketch... "C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/precompile_helper" "C:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr/cores/teensy4" "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841" "C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -x c++-header -O2 -g -Wall -ffunction-sections -fdata-sections -nostdlib -MMD -std=gnu++14 -fno-exceptions -fpermissive -fno-rtti -fno-threadsafe-statics -felide-constructors -Wno-error=narrowing -mthumb -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -D__IMXRT1062__ -DTEENSYDUINO=150 -DARDUINO=10809 -DARDUINO_TEENSY40 -DF_CPU=600000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr/cores/teensy4" "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841/pch/Arduino.h" -o "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841/pch/Arduino.h.gch" Using previously compiled file: C:\Users\DW\AppData\Local\Temp\arduino_build_513841\pch\Arduino.h.gch "C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -c -O2 -g -Wall -ffunction-sections -fdata-sections -nostdlib -MMD -std=gnu++14 -fno-exceptions -fpermissive -fno-rtti -fno-threadsafe-statics -felide-constructors -Wno-error=narrowing -mthumb -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -D__IMXRT1062__ -DTEENSYDUINO=150 -DARDUINO=10809 -DARDUINO_TEENSY40 -DF_CPU=600000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841/pch" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy4" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\ADC" "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841\\sketch\\adc_test.ino.cpp" -o "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841\\sketch\\adc_test.ino.cpp.o" Compiling libraries... Compiling library "ADC" Using previously compiled file: C:\Users\DW\AppData\Local\Temp\arduino_build_513841\libraries\ADC\ADC.cpp.o Using previously compiled file: C:\Users\DW\AppData\Local\Temp\arduino_build_513841\libraries\ADC\RingBuffer.cpp.o "C:\\Program Files (x86)\\Arduino\\hardware\\teensy/../tools/arm/bin/arm-none-eabi-g++" -c -O2 -g -Wall -ffunction-sections -fdata-sections -nostdlib -MMD -std=gnu++14 -fno-exceptions -fpermissive -fno-rtti -fno-threadsafe-statics -felide-constructors -Wno-error=narrowing -mthumb -mcpu=cortex-m7 -mfloat-abi=hard -mfpu=fpv5-d16 -D__IMXRT1062__ -DTEENSYDUINO=150 -DARDUINO=10809 -DARDUINO_TEENSY40 -DF_CPU=600000000 -DUSB_SERIAL -DLAYOUT_US_ENGLISH "-IC:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841/pch" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\cores\\teensy4" "-IC:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\ADC" "C:\\Program Files (x86)\\Arduino\\hardware\\teensy\\avr\\libraries\\ADC\\RingBufferDMA.cpp" -o "C:\\Users\\DW\\AppData\\Local\\Temp\\arduino_build_513841\\libraries\\ADC\\RingBufferDMA.cpp.o" Using previously compiled file: C:\Users\DW\AppData\Local\Temp\arduino_build_513841\libraries\ADC\ADC_Module.cpp.o Using previously compiled file: C:\Users\DW\AppData\Local\Temp\arduino_build_513841\libraries\ADC\AnalogBufferDMA.cpp.o C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC\RingBufferDMA.cpp: In constructor 'RingBufferDMA::RingBufferDMA(volatile int16_t*, uint32_t, uint8_t)': C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC\RingBufferDMA.cpp:33:19: error: 'ADC0_RA' was not declared in this scope , ADC_RA(&ADC0_RA + (uint32_t)0x20000*ADC_number) ^ C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC\RingBufferDMA.cpp: In member function 'void RingBufferDMA::start(void (*)())': C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC\RingBufferDMA.cpp:64:30: error: 'DMAMUX_SOURCE_ADC0' was not declared in this scope uint8_t DMAMUX_SOURCE_ADC = DMAMUX_SOURCE_ADC0; ^ Using library ADC at version 8.0 in folder: C:\Program Files (x86)\Arduino\hardware\teensy\avr\libraries\ADC Error compiling for board Teensy 4.0.