Comments (5)
jrb
commented on September 23, 2024
I found the symlink for the bootloader points to the wrong place. When my YS1 is in bootloader mode, /dev/RFCAT_BL_YS1 exists, but rfcat_bootloader fails to open it with an invalid ioctl (you have to hack in debug prints; the "something is talking to" actually means "I couldnt open it as a serial port".
fortunately I sound when the ys1 is in bootloader mode, I also have a /dev/ttyACM0 (your dev name may vary). this worked with rfcat_bootloader as RFCAT_BL_YS1 was expected to.
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atlas0fd00m
commented on September 23, 2024
hey jared,
thanks for the comment. what was wrong? invalid ioctl? you are able to flash the /dev/ttyACM0 but not the /dev/RFCAT_BL_YS1?
yes, the bootloader script is not terribly robust (error handling when you can't talk to the dongle). typically when you can't talk to the /dev/RFCAT_BL_* it is because NetworkManager is trying to open it as a modem. at least that's historically what's been wrong.
can you give any other insight? /dev/RFCAT_BL_YS1 should work just as well (if not better) as /dev/ttyACM0, assuming you don't have multiple RfCats plugged in or some other oddity.
thanks!
@
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jrb
commented on September 23, 2024
This is the output of rfcat_bootloader patched to print the exception:
$ rfcat_bootloader /dev/RFCAT_BL_YS1 erase_all
Could not configure port: (25, 'Inappropriate ioctl for device')
Something is talking to the RfCat dongle (Modem Manager, most likely). Retrying again after 5 seconds. This can take a minute, please be patient.
^CTraceback (most recent call last):
File "/usr/bin/rfcat_bootloader", line 216, in <module>
time.sleep(6)
KeyboardInterrupt
You can see the usb device (all removed entries are completely unrelated to YS1)
lsusb
...snip...
Bus 001 Device 035: ID 1d50:605c OpenMoko, Inc. YARD Stick One bootloader
...snip...
The RFCAT symlink points to the /dev/bus entry:
$ file /dev/RFCAT_BL_YS1
/dev/RFCAT_BL_YS1: symbolic link to bus/usb/001/035
For good measure, here are my udev rules (slightly modifies from yours, but should behave similarly)
# legacy RfCats and cc1111usb
SUBSYSTEMS=="usb" ATTRS{idVendor}=="0451" ATTRS{idProduct}=="4715" MODE:="0660" SYMLINK+="RFCAT%n" GROUP="rfcat"
# modern RfCats
SUBSYSTEMS=="usb" ATTRS{idVendor}=="1d50" ATTRS{idProduct}=="6047" MODE:="0660" SYMLINK+="RFCAT%n" GROUP="rfcat"
SUBSYSTEMS=="usb" ATTRS{idVendor}=="1d50" ATTRS{idProduct}=="6048" MODE:="0660" SYMLINK+="RFCAT%n" GROUP="rfcat"
SUBSYSTEMS=="usb" ATTRS{idVendor}=="1d50" ATTRS{idProduct}=="605b" MODE:="0660" SYMLINK+="RFCAT%n" GROUP="rfcat"
# RfCat bootloader subsystem (uses it's own product id)
SUBSYSTEMS=="usb" ATTRS{idVendor}=="1d50" ATTRS{idProduct}=="6049" MODE:="0660" SYMLINK+="RFCAT_BL_C" ENV{ID_MM_DEVICE_IGNORE}="1" GROUP="rfcat"
SUBSYSTEMS=="usb" ATTRS{idVendor}=="1d50" ATTRS{idProduct}=="604a" MODE:="0660" SYMLINK+="RFCAT_BL_D" ENV{ID_MM_DEVICE_IGNORE}="1" GROUP="rfcat"
SUBSYSTEMS=="usb" ATTRS{idVendor}=="1d50" ATTRS{idProduct}=="605c" MODE:="0660" SYMLINK+="RFCAT_BL_YS1" ENV{ID_MM_DEVICE_IGNORE}="1" GROUP="rfcat"
SUBSYSTEMS=="usb" ATTRS{idVendor}=="1d50" ATTRS{idProduct}=="ecc0" MODE:="0660" SYMLINK+="RFCAT_BL_SRF" ENV{ID_MM_DEVICE_IGNORE}="1" GROUP="rfcat"
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jrb
commented on September 23, 2024
Looks like the udev rules didnt get applied to the tty subsystem. Changing
SUBSYSTEMS=="usb" to
SUBSYSTEM=="tty" SUBSYSTEMS=="usb"
fixed the symlink on my Arch system.
$ file /dev/RFCAT_BL_YS1
/dev/RFCAT_BL_YS1: symbolic link to ttyACM0
I'll test on ubuntu later and open a pr
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jrb
commented on September 23, 2024
see #35 for my PR
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