Hi,
as per a previous post re pyUPDI not working here I now have a problem with pymcuprog as below, any help much appreciated:
PS C:\Users\Paul\Documents\PlatformIO\Projects\Arduino-code-blinkled> pymcuprog write -d atmega4809 -t uart -u COM3 -c 250k -f .pio\build\ATmega4809\firmware.hex
pymcuprog.serialupdi.link - WARNING - Check failed
pymcuprog.serialupdi.link - WARNING - Check failed
Traceback (most recent call last):
File "c:\users\paul\appdata\local\programs\python\python39\lib\runpy.py", line 197, in _run_module_as_main
return _run_code(code, main_globals, None,
File "c:\users\paul\appdata\local\programs\python\python39\lib\runpy.py", line 87, in _run_code
exec(code, run_globals)
File "C:\Users\Paul\AppData\Local\Programs\Python\Python39\Scripts\pymcuprog.exe\__main__.py", line 7, in <module>
File "c:\users\paul\appdata\local\programs\python\python39\lib\site-packages\pymcuprog\pymcuprog.py", line 285, in main
return pymcuprog_main.pymcuprog(arguments)
File "c:\users\paul\appdata\local\programs\python\python39\lib\site-packages\pymcuprog\pymcuprog_main.py", line 80, in pymcuprog
status = _start_session(backend, device_selected, args)
File "c:\users\paul\appdata\local\programs\python\python39\lib\site-packages\pymcuprog\pymcuprog_main.py", line 549, in _start_session
backend.start_session(sessionconfig)
File "c:\users\paul\appdata\local\programs\python\python39\lib\site-packages\pymcuprog\backend.py", line 363, in start_session
self.programmer.setup_device(
File "c:\users\paul\appdata\local\programs\python\python39\lib\site-packages\pymcuprog\programmer.py", line 78, in setup_device
self.device_model = get_nvm_access_provider(self.transport,
File "c:\users\paul\appdata\local\programs\python\python39\lib\site-packages\pymcuprog\nvm.py", line 44, in get_nvm_access_provider
accessprovider = NvmAccessProviderSerial(transport, device_info, baud=frequency, options=options)
File "c:\users\paul\appdata\local\programs\python\python39\lib\site-packages\pymcuprog\nvmserialupdi.py", line 51, in __init__
self.avr = UpdiApplication(port, baud, self.dut)
File "c:\users\paul\appdata\local\programs\python\python39\lib\site-packages\pymcuprog\serialupdi\application.py", line 81, in __init__
datalink.init_datalink()
File "c:\users\paul\appdata\local\programs\python\python39\lib\site-packages\pymcuprog\serialupdi\link.py", line 60, in init_datalink
raise PymcuprogError("UPDI initialisation failed")
pymcuprog.pymcuprog_errors.PymcuprogError: UPDI initialisation failed
platformio.ini below
; PlatformIO Project Configuration File
;
; Build options: build flags, source filter
; Upload options: custom upload port, speed and extra flags
; Library options: dependencies, extra library storages
; Advanced options: extra scripting
;
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html
[env:ATmega4809]
board = ATmega4809
platform = atmelmegaavr
framework = arduino
board_build.variant = 40pin-standard
board_build.f_cpu = 20000000L
monitor_flags =
--echo
upload_protocol = custom
upload_speed = 115200
upload_port = COM3
upload_flags =
-d
atmega4809
-c
$UPLOAD_PORT
-b
$UPLOAD_SPEED
upload_command = pyupdi $UPLOAD_FLAGS -f $SOURCE
monitor_port = COM6
monitor_speed = 19200
lib_deps = qub1750ul/SoftwareReset@^3.0.0
;upload_protocol = custom
;upload_speed = 115200
;upload_port = COM4
;upload_flags =
; -t
; uart
; -d
; $BOARD_MCU
; -u
; $UPLOAD_PORT
; -c
; $UPLOAD_SPEED
;upload_command = pymcuprog write $UPLOAD_FLAGS -f $SOURCE
[platformio]
description = The integrated Azimuth Encoder