Comments (8)
I'll look into what it would take to implement this for jtag3 programmers.
I've been in contact with the Microchip developers who are in charge of the JTAG3/EDBG firmware. It's not possible to leave the reset pin low after a programming session, so there is not much we can do about this...
IIRC yes it's possible but let me check to confirm
@dioannidis thank you! The USBasp is the go-to programmer for lots and lots of people. If this was possible, the USBasp just became a little more useful!
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I think we can probably implement such an option for programmers which can toggle the reset pin at different state.
linuxgpio should be one candidate. @stefanrueger mentioned that linuxspi already has -E
support.
We have some programmers which have similar functions, not using -E
. I think serialupdi is one example.
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I'll look into what it would take to implement this for jtag3 programmers.
@dioannidis I don't know much about the USBasp firmware, but it is possible to leave the reset pin low after programming?
from avrdude.
@dioannidis I don't know much about the USBasp firmware, but it is possible to leave the reset pin low after programming?
IIRC yes it's possible but let me check to confirm
from avrdude.
Good question! Originally -E
was implemented for parallel programmers (remember the parallel port for printers from the last millennium?). Only a couple of other programmers followed suit. Looking at the source code we have
$ grep "parseexitspecs *= *[^=]" -r src
src/pgm.c: pgm->parseexitspecs = NULL;
src/par.c: pgm->parseexitspecs = par_parseexitspecs;
src/linuxspi.c: pgm->parseexitspecs = linuxspi_parseexitspecs;
src/flip2.c: pgm->parseexitspecs = flip2_parseexitspecs;
Maybe the hardware pros amongst the team can help out with alternative ways of doing what you want to achieve... @mcuee @MCUdude
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remember the parallel port for printers from the last millennium?
I'm too young for that, but I think I know what you mean 😄 .
I currently have an working but not very nice solution. I keep an python thread running in the background which keeps avrdude open in terminal mode, but sometimes this creates some annoying issues.
This was also the reason I came upon the "-E" command while searching for alternatives.
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I think you are more familar with Microchip tools like Atmel ICE. Maybe you can help to see if we can offer such an options for some of the programmers.
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@MCUdude That would be really nice, especially for Microchip tools.
But I'm really surprised that this topic never came up if you consider how long avrdude exists.
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Related Issues (20)
- DragonFly BSD support HOT 9
- New attiny404 unprogrammable (RSP_ILLEGAL_MCU_STATE) HOT 6
- The last write/erase can fail with -c jtag2updi HOT 4
- Autotools build improvement HOT 6
- Autotools build improvement -- to reduce the warnings HOT 3
- Autotools build improvement -- to support NetBSD HOT 2
- Autotools build improvement -- to support OpenBSD HOT 1
- Documentation current avrdude limitations in pdf/html documentation HOT 2
- Further jtag2updi improvement HOT 2
- avrdude documentation improvement HOT 5
- github actions improvement HOT 8
- avrintel.h missing from installation HOT 30
- avrdude error: no usb support, please compile again with libusb installed
- Avrdude "simple syntax" HOT 8
- AVR109 auto reset functionality HOT 2
- Implement Damerau Levenshtein distance checking for parts and memories HOT 5
- error: use of undeclared identifier 'AVRDUDE_FULL_VERSION' HOT 15
- LinuxGPIO or SPI doesn't work on NVIDIA Orin Nx HOT 7
- Regression: EEPROM issue with official STK500 V1 FW -- avrdude 7.1 is okay but not 7.2 and 7.3 HOT 12
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