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Fix stm32 brake error handler triggering caused by Arduino #105

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Fix stm32 brake error handler triggering caused by Arduino #105

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11 changes: 10 additions & 1 deletion src/brake/stm32/stm32_brake.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -265,8 +265,17 @@ stm32_brake::stm32_brake(PinName _vbus_pin, PinName _brake_pin, uint8_t _brake_a

void stm32_brake::start_brake(float trigger_voltage_over_vref)
{
volatile HAL_StatusTypeDef status;
HAL_StatusTypeDef status;
//Even if HAL_DAC_MODULE_ONLY is set, Arduino still overrides HAL_DAC_MspInit and tries to pinmap the DAC out, fails and crashes the stm32.
//Set this to 1 when it's fixed.
#if 0
status = HAL_DAC_Init(&hdac);
#else
assert_param(IS_DAC_ALL_INSTANCE(hdac.Instance));
hdac.Lock = HAL_UNLOCKED;
hdac.State = HAL_DAC_STATE_READY;
hdac.ErrorCode = HAL_DAC_ERROR_NONE;
#endif
DAC_ChannelConfTypeDef dac_channel_config = get_dac_config();
status = HAL_DAC_ConfigChannel(&hdac, &dac_channel_config, dac_channel);
status = set_raw_threshold(trigger_voltage_over_vref);
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