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Fix stm32 brake error handler triggering caused by Arduino - #105

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Moddingear:stm32_brake_HAL_MSP_INIT
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Moddingear:stm32_brake_HAL_MSP_INIT

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Arduino overrides HAL_DAC_MspInit and tries to pinout the DAC pin, even though HAL_DAC_MODULE_ONLY is set.

It fails, but also trigger the error_handler. This crashes the stm32.

This adds a workaround, by not calling HAL_DAC_Init. It's not pretty, but it works.

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github-actions Bot commented Oct 2, 2026

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Memory usage change @ 08b86e4

Board flash % RAM for global variables %
adafruit:samd:adafruit_metro_m4 0 - 0 0.0 - 0.0 N/A N/A
arduino:avr:nano 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
rp2040:rp2040:rpipico 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
arduino:sam:arduino_due_x 0 - 0 0.0 - 0.0 N/A N/A
arduino:samd:nano_33_iot 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
esp32:esp32:esp32 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
esp32:esp32:esp32s2 0 - 0 0.0 - 0.0 0 - 0 0.0 - 0.0
Click for full report table
Board examples/drivers/drv8316/drv8316_3pwm
flash
% examples/drivers/drv8316/drv8316_3pwm
RAM for global variables
% examples/drivers/drv8316/drv8316_6pwm
flash
% examples/drivers/drv8316/drv8316_6pwm
RAM for global variables
% examples/encoders/calibrated_sensor/calibration_save
flash
% examples/encoders/calibrated_sensor/calibration_save
RAM for global variables
% examples/encoders/linearhall
flash
% examples/encoders/linearhall
RAM for global variables
% examples/encoders/mt6816/mt6816_spi
flash
% examples/encoders/mt6816/mt6816_spi
RAM for global variables
% examples/drivers/simplefocnano/simplefocnano_atmega
flash
% examples/drivers/simplefocnano/simplefocnano_atmega
RAM for global variables
%
adafruit:samd:adafruit_metro_m4 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A
arduino:avr:nano 0 0.0 0 0.0
rp2040:rp2040:rpipico 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
arduino:sam:arduino_due_x 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A 0 0.0 N/A N/A
arduino:samd:nano_33_iot 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
esp32:esp32:esp32 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
esp32:esp32:esp32s2 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0 0 0.0
Click for full report CSV
Board,examples/drivers/drv8316/drv8316_3pwm<br>flash,%,examples/drivers/drv8316/drv8316_3pwm<br>RAM for global variables,%,examples/drivers/drv8316/drv8316_6pwm<br>flash,%,examples/drivers/drv8316/drv8316_6pwm<br>RAM for global variables,%,examples/encoders/calibrated_sensor/calibration_save<br>flash,%,examples/encoders/calibrated_sensor/calibration_save<br>RAM for global variables,%,examples/encoders/linearhall<br>flash,%,examples/encoders/linearhall<br>RAM for global variables,%,examples/encoders/mt6816/mt6816_spi<br>flash,%,examples/encoders/mt6816/mt6816_spi<br>RAM for global variables,%,examples/drivers/simplefocnano/simplefocnano_atmega<br>flash,%,examples/drivers/simplefocnano/simplefocnano_atmega<br>RAM for global variables,%
adafruit:samd:adafruit_metro_m4,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A
arduino:avr:nano,,,,,,,,,,,,,,,,,,,,,0,0.0,0,0.0
rp2040:rp2040:rpipico,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,,,,
arduino:sam:arduino_due_x,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,0,0.0,N/A,N/A,,,,
arduino:samd:nano_33_iot,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,,,,
esp32:esp32:esp32,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,,,,,0,0.0,0,0.0,,,,
esp32:esp32:esp32s2,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,,,,

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