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| author | Kevin O'Connor <kevin@koconnor.net> | 2022-05-04 13:54:42 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2022-05-04 13:54:42 -0400 |
| commit | c4232bea2e2278b98a3b51e1d14b287d766ab5c2 (patch) | |
| tree | 328c0c1360825eb6425d6535db70c8da8573fc0f /docs/Bootloaders.md | |
| parent | 722ad4a1d2798d600ad34c8c8e7d74171e018aef (diff) | |
| download | kutter-c4232bea2e2278b98a3b51e1d14b287d766ab5c2.tar.gz kutter-c4232bea2e2278b98a3b51e1d14b287d766ab5c2.tar.xz kutter-c4232bea2e2278b98a3b51e1d14b287d766ab5c2.zip | |
docs: Note pins used for stm32flash in Bootloaders.md
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'docs/Bootloaders.md')
| -rw-r--r-- | docs/Bootloaders.md | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/docs/Bootloaders.md b/docs/Bootloaders.md index 884cfbfd..6933c47b 100644 --- a/docs/Bootloaders.md +++ b/docs/Bootloaders.md @@ -254,10 +254,11 @@ bossac -U -p /dev/ttyACM0 --offset=0x4000 -w out/klipper.bin -v -b -R ## STM32F103 micro-controllers (Blue Pill devices) The STM32F103 devices have a ROM that can flash a bootloader or -application via 3.3V serial. To access this ROM, one should connect -the "boot 0" pin to high and "boot 1" pin to low, and then reset the -device. The "stm32flash" package can then be used to flash the device -using something like: +application via 3.3V serial. Typically one would wire the PA10 (MCU +Rx) and PA9 (MCU Tx) pins to a 3.3V UART adapter. To access the ROM, +one should connect the "boot 0" pin to high and "boot 1" pin to low, +and then reset the device. The "stm32flash" package can then be used +to flash the device using something like: ``` stm32flash -w out/klipper.bin -v -g 0 /dev/ttyAMA0 ``` |