Hi,
I have some compile errors with USB Blaster example.
Arduino: 1.8.5 (Windows 10), Board: "Arduino MKR Vidor 4000"
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Using board 'mkrvidor4000' from platform in folder: D:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25
Using core 'arduino' from platform in folder: D:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25
Detecting libraries used...
"D:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4/bin/arm-none-eabi-g++" -mcpu=cortex-m0plus -mthumb -c -g -Os -w -std=gnu++11 -ffunction-sections -fdata-sections -fno-threadsafe-statics -nostdlib --param max-inline-insns-single=500 -fno-rtti -fno-exceptions -w -x c++ -E -CC -DF_CPU=48000000L -DARDUINO=10805 -DARDUINO_SAMD_MKRVIDOR4000 -DARDUINO_ARCH_SAMD_BETA -D__SAMD21G18A__ -DUSB_VID=0x2341 -DUSB_PID=0x8056 -DUSBCON '-DUSB_MANUFACTURER="Arduino LLC"' '-DUSB_PRODUCT="Arduino MKR Vidor 4000"' -DUSE_BQ24195L_PMIC "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\CMSIS\4.5.0/CMSIS/Include/" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\CMSIS-Atmel\1.2.0/CMSIS/Device/ATMEL/" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25\cores\arduino" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25\variants\mkrvidor4000" "D:\Users\limba\AppData\Local\Temp\arduino_build_795560\sketch\USB_Blaster.ino.cpp" -o "nul"
"D:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4/bin/arm-none-eabi-g++" -mcpu=cortex-m0plus -mthumb -c -g -Os -w -std=gnu++11 -ffunction-sections -fdata-sections -fno-threadsafe-statics -nostdlib --param max-inline-insns-single=500 -fno-rtti -fno-exceptions -w -x c++ -E -CC -DF_CPU=48000000L -DARDUINO=10805 -DARDUINO_SAMD_MKRVIDOR4000 -DARDUINO_ARCH_SAMD_BETA -D__SAMD21G18A__ -DUSB_VID=0x2341 -DUSB_PID=0x8056 -DUSBCON '-DUSB_MANUFACTURER="Arduino LLC"' '-DUSB_PRODUCT="Arduino MKR Vidor 4000"' -DUSE_BQ24195L_PMIC "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\CMSIS\4.5.0/CMSIS/Include/" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\CMSIS-Atmel\1.2.0/CMSIS/Device/ATMEL/" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25\cores\arduino" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25\variants\mkrvidor4000" "-ID:\Users\limba\Documents\Arduino\libraries\USBBlaster\src" "D:\Users\limba\AppData\Local\Temp\arduino_build_795560\sketch\USB_Blaster.ino.cpp" -o "nul"
Generating function prototypes...
"D:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4/bin/arm-none-eabi-g++" -mcpu=cortex-m0plus -mthumb -c -g -Os -w -std=gnu++11 -ffunction-sections -fdata-sections -fno-threadsafe-statics -nostdlib --param max-inline-insns-single=500 -fno-rtti -fno-exceptions -w -x c++ -E -CC -DF_CPU=48000000L -DARDUINO=10805 -DARDUINO_SAMD_MKRVIDOR4000 -DARDUINO_ARCH_SAMD_BETA -D__SAMD21G18A__ -DUSB_VID=0x2341 -DUSB_PID=0x8056 -DUSBCON '-DUSB_MANUFACTURER="Arduino LLC"' '-DUSB_PRODUCT="Arduino MKR Vidor 4000"' -DUSE_BQ24195L_PMIC "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\CMSIS\4.5.0/CMSIS/Include/" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\CMSIS-Atmel\1.2.0/CMSIS/Device/ATMEL/" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25\cores\arduino" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25\variants\mkrvidor4000" "-ID:\Users\limba\Documents\Arduino\libraries\USBBlaster\src" "D:\Users\limba\AppData\Local\Temp\arduino_build_795560\sketch\USB_Blaster.ino.cpp" -o "D:\Users\limba\AppData\Local\Temp\arduino_build_795560\preproc\ctags_target_for_gcc_minus_e.cpp"
"C:\APPS\arduino-1.8.5\tools-builder\ctags\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "D:\Users\limba\AppData\Local\Temp\arduino_build_795560\preproc\ctags_target_for_gcc_minus_e.cpp"
Compiling sketch...
"D:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4/bin/arm-none-eabi-g++" -mcpu=cortex-m0plus -mthumb -c -g -Os -w -std=gnu++11 -ffunction-sections -fdata-sections -fno-threadsafe-statics -nostdlib --param max-inline-insns-single=500 -fno-rtti -fno-exceptions -MMD -DF_CPU=48000000L -DARDUINO=10805 -DARDUINO_SAMD_MKRVIDOR4000 -DARDUINO_ARCH_SAMD_BETA -D__SAMD21G18A__ -DUSB_VID=0x2341 -DUSB_PID=0x8056 -DUSBCON '-DUSB_MANUFACTURER="Arduino LLC"' '-DUSB_PRODUCT="Arduino MKR Vidor 4000"' -DUSE_BQ24195L_PMIC "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\CMSIS\4.5.0/CMSIS/Include/" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\CMSIS-Atmel\1.2.0/CMSIS/Device/ATMEL/" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25\cores\arduino" "-ID:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25\variants\mkrvidor4000" "-ID:\Users\limba\Documents\Arduino\libraries\USBBlaster\src" "D:\Users\limba\AppData\Local\Temp\arduino_build_795560\sketch\USB_Blaster.ino.cpp" -o "D:\Users\limba\AppData\Local\Temp\arduino_build_795560\sketch\USB_Blaster.ino.cpp.o"
Compiling libraries...
Compiling library "USBBlaster"
Compiling core...
Using previously compiled file: D:\Users\limba\AppData\Local\Temp\arduino_build_795560\core\clockout.c.o
Using previously compiled file: D:\Users\limba\AppData\Local\Temp\arduino_build_795560\core\variant.cpp.o
Using precompiled core
Linking everything together...
"D:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4/bin/arm-none-eabi-g++" "-LD:\Users\limba\AppData\Local\Temp\arduino_build_795560" -Os -Wl,--gc-sections -save-temps "-TD:\Users\limba\AppData\Local\Arduino15\packages\arduino\hardware\samd_beta\1.6.25\variants\mkrvidor4000/linker_scripts/gcc/flash_with_bootloader.ld" "-Wl,-Map,D:\Users\limba\AppData\Local\Temp\arduino_build_795560/USB_Blaster.ino.map" --specs=nano.specs --specs=nosys.specs -mcpu=cortex-m0plus -mthumb -Wl,--cref -Wl,--check-sections -Wl,--gc-sections -Wl,--unresolved-symbols=report-all -Wl,--warn-common -Wl,--warn-section-align -o "D:\Users\limba\AppData\Local\Temp\arduino_build_795560/USB_Blaster.ino.elf" "D:\Users\limba\AppData\Local\Temp\arduino_build_795560\sketch\USB_Blaster.ino.cpp.o" "D:\Users\limba\AppData\Local\Temp\arduino_build_795560\core\clockout.c.o" "D:\Users\limba\AppData\Local\Temp\arduino_build_795560\core\variant.cpp.o" -Wl,--start-group "-LD:\Users\limba\AppData\Local\Arduino15\packages\arduino\tools\CMSIS\4.5.0/CMSIS/Lib/GCC/" -larm_cortexM0l_math -lm "D:\Users\limba\AppData\Local\Temp\arduino_build_795560/..\arduino_cache_121649\core\core_arduino_samd_beta_mkrvidor4000_9905c625ab12965dad04252731657ebd.a" -Wl,--end-group
D:\Users\limba\AppData\Local\Temp\arduino_build_795560\sketch\USB_Blaster.ino.cpp.o: In function `setup':
D:\Users\limba\Documents\Arduino\USB_Blaster/USB_Blaster.ino:8: undefined reference to `USBBlaster_::begin(bool)'
D:\Users\limba\Documents\Arduino\USB_Blaster/USB_Blaster.ino:11: undefined reference to `USBBlaster'
D:\Users\limba\AppData\Local\Temp\arduino_build_795560\sketch\USB_Blaster.ino.cpp.o: In function `loop':
D:\Users\limba\Documents\Arduino\USB_Blaster/USB_Blaster.ino:14: undefined reference to `USBBlaster_::loop()'
D:\Users\limba\Documents\Arduino\USB_Blaster/USB_Blaster.ino:15: undefined reference to `USBBlaster'
collect2.exe: error: ld returned 1 exit status
Using library USBBlaster at version 1.0.0 in folder: D:\Users\limba\Documents\Arduino\libraries\USBBlaster
exit status 1
Error compiling for board Arduino MKR Vidor 4000.
It seems that it can't find precompiled library.
Other question about this. Does this allow also use normal USB blaster in same system like used in DE0-Nano?