avrdude with Arduino Nano Every #980

mcuee · 2022-05-30T13:24:40Z

Ref: https://www.avrfreaks.net/forum/uploading-code-new-arduino-nano-every

Quite some boards from Arduino, including Nano Every (ATmega4809) needs the COM port to be opened / closed at 1200baud to start the Bootloader or on-board programmer.

As per the above, there is a way to use a batch file under Windows. Just wondering if there is a way to enhance avrdude to carry out this one as a command line option. Or this will always need to be done by the user outside of avrdude.

mode %COMPORT% baud=12 dtr=on > nul
mode %COMPORT% baud=12 dtr=off > nul

Without the above, it will fail.

PS C:\work\avr\avrdude_test\avrdude-v7.0-windows-x64> .\avrdude.exe -v -patmega4809 -cjtag2updi -PCOM7 -b115200

avrdude.exe: Version 7.0
             Copyright (c) Brian Dean, http://www.bdmicro.com/
             Copyright (c) Joerg Wunsch

             System wide configuration file is "C:/work/avr/avrdude_test/avrdude-v7.0-windows-x64/avrdude.conf"

             Using Port                    : COM7
             Using Programmer              : jtag2updi
             Overriding Baud Rate          : 115200
avrdude.exe: jtagmkII_getsync() attempt 1 of 10: sign-on command: status -1
avrdude.exe: jtagmkII_getsync() attempt 2 of 10: sign-on command: status -1
...

The text was updated successfully, but these errors were encountered:

mcuee · 2022-05-30T13:25:37Z

Run log using the official Windows binary

PS C:\work\avr\avrdude_test\avrdude-v7.0-windows-x64> mode COM7 baud=12 dtr=on > nul
PS C:\work\avr\avrdude_test\avrdude-v7.0-windows-x64> mode COM7 baud=12 dtr=off > nul
PS C:\work\avr\avrdude_test\avrdude-v7.0-windows-x64> .\avrdude.exe -v -patmega4809 -cjtag2updi -PCOM7 -b115200 -e -D -Uflash:w:.\Blink_Every.ino.nona4809.hex

avrdude.exe: Version 7.0
             Copyright (c) Brian Dean, http://www.bdmicro.com/
             Copyright (c) Joerg Wunsch

             System wide configuration file is "C:/work/avr/avrdude_test/avrdude-v7.0-windows-x64/avrdude.conf"

             Using Port                    : COM7
             Using Programmer              : jtag2updi
             Overriding Baud Rate          : 115200
JTAG ICE mkII sign-on message:
Communications protocol version: 1
M_MCU:
  boot-loader FW version:        1
  firmware version:              1.07
  hardware version:              1
S_MCU:
  boot-loader FW version:        1
  firmware version:              6.07
  hardware version:              1
Serial number:                   00:00:00:00:00:00
Device ID:                       JTAGICE mkII
             AVR Part                      : ATmega4809
             RESET disposition             : dedicated
             RETRY pulse                   : SCK
             Serial program mode           : yes
             Parallel program mode         : yes
             Memory Detail                 :

                                               Block Poll               Page                       Polled
               Memory Type Alias    Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
               ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
               signature               0     0     0    0 no          3    1      0     0     0 0x00 0x00
               prodsig                 0     0     0    0 no         61   61      0     0     0 0x00 0x00
               sernum                  0     0     0    0 no         10    1      0     0     0 0x00 0x00
               osccal16                0     0     0    0 no          2    1      0     0     0 0x00 0x00
               osccal20                0     0     0    0 no          2    1      0     0     0 0x00 0x00
               tempsense               0     0     0    0 no          2    1      0     0     0 0x00 0x00
               osc16err                0     0     0    0 no          2    1      0     0     0 0x00 0x00
               osc20err                0     0     0    0 no          2    1      0     0     0 0x00 0x00
               fuses                   0     0     0    0 no          9   10      0     0     0 0x00 0x00
               fuse0       wdtcfg      0     0     0    0 no          1    1      0     0     0 0x00 0x00
               fuse1       bodcfg      0     0     0    0 no          1    1      0     0     0 0x00 0x00
               fuse2       osccfg      0     0     0    0 no          1    1      0     0     0 0x00 0x00
               fuse4       tcd0cfg     0     0     0    0 no          1    1      0     0     0 0x00 0x00
               fuse5       syscfg0     0     0     0    0 no          1    1      0     0     0 0x00 0x00
               fuse6       syscfg1     0     0     0    0 no          1    1      0     0     0 0x00 0x00
               fuse7       append      0     0     0    0 no          1    1      0     0     0 0x00 0x00
               fuse8       bootend     0     0     0    0 no          1    1      0     0     0 0x00 0x00
               lock                    0     0     0    0 no          1    1      0     0     0 0x00 0x00
               data                    0     0     0    0 no          0    1      0     0     0 0x00 0x00
               userrow     usersig     0     0     0    0 no         64   64      0     0     0 0x00 0x00
               flash                   0     0     0    0 no      49152  128      0     0     0 0x00 0x00
               eeprom                  0     0     0    0 no        256   64      0     0     0 0x00 0x00

             Programmer Type : JTAGMKII_PDI
             Description     : JTAGv2 to UPDI bridge
             M_MCU HW version: 1
             M_MCU FW version: 1.07
             S_MCU HW version: 1
             S_MCU FW version: 6.07
             Serial number   : 00:00:00:00:00:00
             Vtarget         : 5.0 V

avrdude.exe: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.28s

avrdude.exe: Device signature = 0x1e9651 (probably m4809)
avrdude.exe: erasing chip
avrdude.exe: reading input file ".\Blink_Every.ino.nona4809.hex"
avrdude.exe: input file .\Blink_Every.ino.nona4809.hex auto detected as Intel Hex
avrdude.exe: writing flash (1118 bytes):

Writing | ################################################## | 100% 0.86s

avrdude.exe: 1118 bytes of flash written
avrdude.exe: verifying flash memory against .\Blink_Every.ino.nona4809.hex:
avrdude.exe: input file .\Blink_Every.ino.nona4809.hex auto detected as Intel Hex

Reading | ################################################## | 100% 0.22s

avrdude.exe: 1118 bytes of flash verified

avrdude.exe done.  Thank you.

mcuee · 2022-05-30T13:26:21Z

Run log from Arduino.

Forcing reset using 1200bps open/close on port COM7
C:\Users\xiaof\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/bin/avrdude -CC:\Users\xiaof\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf -v -patmega4809 -cjtag2updi -PCOM7 -b115200 -e -D -Uflash:w:C:\Users\xiaof\AppData\Local\Temp\arduino_build_648363/Blink_Every.ino.hex:i -Ufuse2:w:0x01:m -Ufuse5:w:0xC9:m -Ufuse8:w:0x00:m {upload.extra_files} 

avrdude: Version 6.3-20190619
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2014 Joerg Wunsch

         System wide configuration file is "C:\Users\xiaof\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf"

         Using Port                    : COM7
         Using Programmer              : jtag2updi
         Overriding Baud Rate          : 115200
JTAG ICE mkII sign-on message:
Communications protocol version: 1
M_MCU:
  boot-loader FW version:        1
  firmware version:              1.07
  hardware version:              1
S_MCU:
  boot-loader FW version:        1
  firmware version:              6.07
  hardware version:              1
Serial number:                   00:00:00:00:00:00
Device ID:                       JTAGICE mkII
         AVR Part                      : ATmega4809
         Chip Erase delay              : 0 us
         PAGEL                         : P00
         BS2                           : P00
         RESET disposition             : dedicated
         RETRY pulse                   : SCK
         serial program mode           : yes
         parallel program mode         : yes
         Timeout                       : 0
         StabDelay                     : 0
         CmdexeDelay                   : 0
         SyncLoops                     : 0
         ByteDelay                     : 0
         PollIndex                     : 0
         PollValue                     : 0x00
         Memory Detail                 :

                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           signature      0     0     0    0 no          3    0      0     0     0 0x00 0x00
           prodsig        0     0     0    0 no         61   61      0     0     0 0x00 0x00
           fuses          0     0     0    0 no          9    0      0     0     0 0x00 0x00
           fuse0          0     0     0    0 no          1    0      0     0     0 0x00 0x00
           fuse1          0     0     0    0 no          1    0      0     0     0 0x00 0x00
           fuse2          0     0     0    0 no          1    0      0     0     0 0x00 0x00
           fuse4          0     0     0    0 no          1    0      0     0     0 0x00 0x00
           fuse5          0     0     0    0 no          1    0      0     0     0 0x00 0x00
           fuse6          0     0     0    0 no          1    0      0     0     0 0x00 0x00
           fuse7          0     0     0    0 no          1    0      0     0     0 0x00 0x00
           fuse8          0     0     0    0 no          1    0      0     0     0 0x00 0x00
           lock           0     0     0    0 no          1    0      0     0     0 0x00 0x00
           data           0     0     0    0 no          0    0      0     0     0 0x00 0x00
           usersig        0     0     0    0 no         64   64      0     0     0 0x00 0x00
           flash          0     0     0    0 no      49152  128      0     0     0 0x00 0x00
           eeprom         0     0     0    0 no        256   64      0     0     0 0x00 0x00

         Programmer Type : JTAGMKII_PDI
         Description     : JTAGv2 to UPDI bridge
         M_MCU hardware version: 1
         M_MCU firmware version: 1.07
         S_MCU hardware version: 1
         S_MCU firmware version: 6.07
         Serial number:          00:00:00:00:00:00
         Vtarget         : 5.0 V

avrdude: jtagmkII_initialize(): Cannot locate "flash" and "boot" memories in description
avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.28s

avrdude: Device signature = 0x1e9651 (probably m4809)
avrdude: erasing chip
avrdude: reading input file "C:\Users\xiaof\AppData\Local\Temp\arduino_build_648363/Blink_Every.ino.hex"
avrdude: writing flash (1118 bytes):

Writing | ################################################## | 100% 0.86s

avrdude: 1118 bytes of flash written
avrdude: verifying flash memory against C:\Users\xiaof\AppData\Local\Temp\arduino_build_648363/Blink_Every.ino.hex:
avrdude: load data flash data from input file C:\Users\xiaof\AppData\Local\Temp\arduino_build_648363/Blink_Every.ino.hex:
avrdude: input file C:\Users\xiaof\AppData\Local\Temp\arduino_build_648363/Blink_Every.ino.hex contains 1118 bytes
avrdude: reading on-chip flash data:

Reading | ################################################## | 100% 0.22s

avrdude: verifying ...
avrdude: 1118 bytes of flash verified
avrdude: reading input file "0x01"
avrdude: writing fuse2 (1 bytes):

Writing | ################################################## | 100% 0.01s

avrdude: 1 bytes of fuse2 written
avrdude: verifying fuse2 memory against 0x01:
avrdude: load data fuse2 data from input file 0x01:
avrdude: input file 0x01 contains 1 bytes
avrdude: reading on-chip fuse2 data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of fuse2 verified
avrdude: reading input file "0xC9"
avrdude: writing fuse5 (1 bytes):

Writing | ################################################## | 100% 0.01s

avrdude: 1 bytes of fuse5 written
avrdude: verifying fuse5 memory against 0xC9:
avrdude: load data fuse5 data from input file 0xC9:
avrdude: input file 0xC9 contains 1 bytes
avrdude: reading on-chip fuse5 data:

Reading | ################################################## | 100% 0.01s

avrdude: verifying ...
avrdude: 1 bytes of fuse5 verified
avrdude: reading input file "0x00"
avrdude: writing fuse8 (1 bytes):

Writing | ################################################## | 100% 0.01s

avrdude: 1 bytes of fuse8 written
avrdude: verifying fuse8 memory against 0x00:
avrdude: load data fuse8 data from input file 0x00:
avrdude: input file 0x00 contains 1 bytes
avrdude: reading on-chip fuse8 data:

Reading | ################################################## | 100% 0.00s

avrdude: verifying ...
avrdude: 1 bytes of fuse8 verified

avrdude done.  Thank you.

mcuee · 2022-05-30T13:46:56Z

Maybe this is the same as the discussion for Leonardo.

Flashing an Arduino Leonardo with AVRDUDE is troublesome #788

mcuee · 2022-06-02T13:34:50Z

I will close this one and refer to #788.

Flashing an Arduino Leonardo with AVRDUDE is troublesome #788

mcuee · 2022-07-28T11:33:33Z

I have a similar issue with Atmega32 using avr109 bootloader.

PS C:\work\avr\avrdude_test\avrdude_bin> mode COM9 baud=12 dtr=on > nul
PS C:\work\avr\avrdude_test\avrdude_bin> mode COM9 baud=12 dtr=off > nul
PS C:\work\avr\avrdude_test\avrdude_bin> .\avrdude_git.exe -c avr109 -P COM9 -b 115200 -p m32a
 -D -U flash:v:.\m32a_muzi_no_bootloader.hex:i

Connecting to programmer: .
Found programmer: Id = "AVRBOOT"; type = S
    Software Version = 1.5; No Hardware Version given.
Programmer supports auto addr increment.
Programmer supports buffered memory access with buffersize=128 bytes.

Programmer supports the following devices:
    Device code: 0x7f

avrdude_git.exe: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.00s

avrdude_git.exe: Device signature = 0x1e9502 (probably m32a)
avrdude_git.exe: verifying flash memory against .\m32a_muzi_no_bootloader.hex:

Reading | ################################################## | 100% 0.18s

avrdude_git.exe: 1376 bytes of flash verified

avrdude_git.exe done.  Thank you.

mcuee · 2022-07-28T11:39:44Z

Note to self: how to build avr109 for Atmega32/32a (16MHz external crystal, 115200 baud rate and 2048B bootloader size, short PB4 to ground to enter bootloader)

PS C:\work\avr\avrdude_test\others\avr109_atmel\AVR109_atmega32> make
...
PS C:\work\avr\avrdude_test\avrdude_bin> .\avrdude_git.exe -c usbasp -p m32a
 -D -U lfuse:w:0x3f:m -U hfuse:w:0x10:m
...

AVR109_atmega32_GCC.zip

Strange that I can not get avr109 to work with Arduino Uno (ATmega328p) -- flash writing failed (not writing anything) but eeprom writing is okay.

C:\work\avr\avrdude_test\avrdude_bin> .\avrdude_git.exe -c avr109 -P COM2 -p m328p
 -b 57600 -D -U flash:w:.\blink_uno_no_bootloader.hex:i

Connecting to programmer: .
Found programmer: Id = "AVRBOOT"; type = S
    Software Version = 1.5; No Hardware Version given.
Programmer supports auto addr increment.
Programmer supports buffered memory access with buffersize=128 bytes.

Programmer supports the following devices:

avrdude_git.exe: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude_git.exe: Device signature = 0x1e950f (probably m328p)
avrdude_git.exe: reading input file ".\blink_uno_no_bootloader.hex"
avrdude_git.exe: writing flash (924 bytes):

Writing | ################################################## | 100% 0.23s

avrdude_git.exe: 924 bytes of flash written
avrdude_git.exe: verifying flash memory against .\blink_uno_no_bootloader.hex:

Reading | ################################################## | 100% 0.24s

avrdude_git.exe: verification error, first mismatch at byte 0x0000
                 0xff != 0x0c
avrdude_git.exe: verification error; content mismatch

avrdude_git.exe done.  Thank you.

C:\work\avr\avrdude_test\avrdude_bin> .\avrdude_git.exe -c avr109 -P COM2 -p m328p -b 57600 
-D -U eeprom:w:.\hex\entest.eep:i

Connecting to programmer: .
Found programmer: Id = "AVRBOOT"; type = S
    Software Version = 1.5; No Hardware Version given.
Programmer supports auto addr increment.
Programmer supports buffered memory access with buffersize=128 bytes.

Programmer supports the following devices:

avrdude_git.exe: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude_git.exe: Device signature = 0x1e950f (probably m328p)
avrdude_git.exe: reading input file ".\hex\entest.eep"
avrdude_git.exe: writing eeprom (512 bytes):

Writing | ################################################## | 100% 3.29s

avrdude_git.exe: 512 bytes of eeprom written
avrdude_git.exe: verifying eeprom memory against .\hex\entest.eep:

Reading | ################################################## | 100% 1.39s

avrdude_git.exe: 512 bytes of eeprom verified

avrdude_git.exe done.  Thank you.

C:\work\avr\avrdude_test\avrdude_bin> .\avrdude_git.exe -c avr109 -P COM2 -p m328p -b 57600 
-D -U eeprom:v:.\hex\entest.eep:i

Connecting to programmer: .
Found programmer: Id = "AVRBOOT"; type = S
    Software Version = 1.5; No Hardware Version given.
Programmer supports auto addr increment.
Programmer supports buffered memory access with buffersize=128 bytes.

Programmer supports the following devices:

avrdude_git.exe: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude_git.exe: Device signature = 0x1e950f (probably m328p)
avrdude_git.exe: verifying eeprom memory against .\hex\entest.eep:

Reading | ################################################## | 100% 1.38s

avrdude_git.exe: 512 bytes of eeprom verified

avrdude_git.exe done.  Thank you.

avr109_gcc.zip

mcuee · 2022-07-30T11:12:32Z

The following fuse settings works fine for Arduino Uno (ATmega328P). Baud rate of 57600 is just nice and baud rate of 115200 will not work.

Again I need to manually reset the chip or use the above com port trick.

PS C:\work\avr\avrdude_test\avrdude_bin> .\avrdude_git.exe -c usbasp -p m328p 
-U lfuse:w:0xff:m -U hfuse:w:0xd8:m -U efuse:w:0xfd:m

avrdude_git.exe: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude_git.exe: Device signature = 0x1e950f (probably m328p)
avrdude_git.exe: reading input file "0xff"
avrdude_git.exe: writing lfuse (1 bytes):

Writing | ################################################## | 100% 0.00s

avrdude_git.exe: 1 bytes of lfuse written
avrdude_git.exe: verifying lfuse memory against 0xff:

Reading | ################################################## | 100% 0.00s

avrdude_git.exe: 1 bytes of lfuse verified
avrdude_git.exe: reading input file "0xd8"
avrdude_git.exe: writing hfuse (1 bytes):

Writing | ################################################## | 100% 0.01s

avrdude_git.exe: 1 bytes of hfuse written
avrdude_git.exe: verifying hfuse memory against 0xd8:

Reading | ################################################## | 100% 0.00s

avrdude_git.exe: 1 bytes of hfuse verified
avrdude_git.exe: reading input file "0xfd"
avrdude_git.exe: writing efuse (1 bytes):

Writing | ################################################## | 100% 0.00s

avrdude_git.exe: 1 bytes of efuse written
avrdude_git.exe: verifying efuse memory against 0xfd:

Reading | ################################################## | 100% 0.00s

avrdude_git.exe: 1 bytes of efuse verified

avrdude_git.exe done.  Thank you.

PS C:\work\avr\avrdude_test\avrdude_bin> .\avrdude_git.exe -c usbasp -p m328p
 -U .\bootloader_avr109_m328p_pd4_57600.hex

avrdude_git.exe: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude_git.exe: Device signature = 0x1e950f (probably m328p)
avrdude_git.exe: NOTE: "flash" memory has been specified, an erase cycle will be performed
                 To disable this feature, specify the -D option.
avrdude_git.exe: erasing chip
avrdude_git.exe: reading input file ".\bootloader_avr109_m328p_pd4_57600.hex"
avrdude_git.exe: input file .\bootloader_avr109_m328p_pd4_57600.hex auto detected as Intel Hex
avrdude_git.exe: writing flash (30054 bytes):

Writing | ################################################## | 100% 0.02s

avrdude_git.exe: 30054 bytes of flash written
avrdude_git.exe: verifying flash memory against .\bootloader_avr109_m328p_pd4_57600.hex:
avrdude_git.exe: input file .\bootloader_avr109_m328p_pd4_57600.hex auto detected as Intel Hex

Reading | ################################################## | 100% 0.02s

avrdude_git.exe: 30054 bytes of flash verified

avrdude_git.exe done.  Thank you.

PS C:\work\avr\avrdude_test\avrdude_bin> .\avrdude_git.exe -c avr109 -P COM9 -b 57600 
-p m328p -D -U flash:w:.\hex\Blink.ino.standard.hex

Connecting to programmer: .
Found programmer: Id = "AVRBOOT"; type = S
    Software Version = 1.5; No Hardware Version given.
Programmer supports auto addr increment.
Programmer supports buffered memory access with buffersize=128 bytes.

Programmer supports the following devices:

avrdude_git.exe: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude_git.exe: Device signature = 0x1e950f (probably m328p)
avrdude_git.exe: reading input file ".\hex\Blink.ino.standard.hex"
avrdude_git.exe: input file .\hex\Blink.ino.standard.hex auto detected as Intel Hex
avrdude_git.exe: writing flash (924 bytes):

Writing | ################################################## | 100% 0.31s

avrdude_git.exe: 924 bytes of flash written
avrdude_git.exe: verifying flash memory against .\hex\Blink.ino.standard.hex:
avrdude_git.exe: input file .\hex\Blink.ino.standard.hex auto detected as Intel Hex

Reading | ################################################## | 100% 0.26s

avrdude_git.exe: 924 bytes of flash verified

avrdude_git.exe done.  Thank you.

PS C:\work\avr\avrdude_test\avrdude_bin> .\avrdude_git.exe -c avr109 -P COM9 -b 57600 -p m328p -D -U flash:v:.\hex\Blink.ino.standard.hex

Connecting to programmer: .
(Does not work).

PS C:\work\avr\avrdude_test\avrdude_bin> mode COM9 baud=12 dtr=on > nul
PS C:\work\avr\avrdude_test\avrdude_bin> mode COM9 baud=12 dtr=off > nul
PS C:\work\avr\avrdude_test\avrdude_bin> .\avrdude_git.exe -c avr109 -P COM9 -b 57600 -p m328p -D -U flash:v:.\hex\Blink.ino.standard.hex

Connecting to programmer: .
Found programmer: Id = "AVRBOOT"; type = S
    Software Version = 1.5; No Hardware Version given.
Programmer supports auto addr increment.
Programmer supports buffered memory access with buffersize=128 bytes.

Programmer supports the following devices:

avrdude_git.exe: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.01s

avrdude_git.exe: Device signature = 0x1e950f (probably m328p)
avrdude_git.exe: verifying flash memory against .\hex\Blink.ino.standard.hex:
avrdude_git.exe: input file .\hex\Blink.ino.standard.hex auto detected as Intel Hex

Reading | ################################################## | 100% 0.25s

avrdude_git.exe: 924 bytes of flash verified

avrdude_git.exe done.  Thank you.

bootloader_avr109_m328p_pd4_57600.hex.txt

mcuee mentioned this issue May 30, 2022

Flashing an Arduino Leonardo with AVRDUDE is troublesome #788

Closed

mcuee closed this as completed Jun 2, 2022

This was referenced Jun 6, 2022

[bug #42324] Feature Request: Refactor rts/dtr toggling as generic option #344

Closed

avrdude with Arduino Nano Every: conf file with Arduino vs conf file from avrdude #991

Closed

mcuee added the duplicate This issue or pull request already exists label Jun 20, 2022

mcuee mentioned this issue Aug 1, 2022

Revert "Ensure page_size is always at least 1" #984

Closed

This was referenced Aug 11, 2022

[bug #51117] Problems with extended address (>128K) and buffer size #454

Closed

Nano every reset arduino/ArduinoCore-megaavr#118

Open

mcuee mentioned this issue Sep 7, 2022

Upload to Uno WiFi Rev2 fails on fuse5 verification when using AVRDUDE 7.0 arduino/ArduinoCore-megaavr#119

Open

mcuee mentioned this issue Oct 15, 2022

Nano Every program upload issue depending on how a .ino file is opened with Arduino IDE and MegaCoreX 1.1.0 MCUdude/MegaCoreX#156

Closed

mcuee mentioned this issue Sep 24, 2023

Support for cross-platform "1200bps touch" using libserialport #1500

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mcuee mentioned this issue Oct 7, 2023

Support for serial port "touch" functionality using libserialport #1507

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avrdude with Arduino Nano Every #980

avrdude with Arduino Nano Every #980

mcuee commented May 30, 2022 •

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mcuee commented Jul 28, 2022 •

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avrdude with Arduino Nano Every #980

avrdude with Arduino Nano Every #980

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