stm32/dac: Make deinit disable the output buffer on H7 and L4 MCUs.
@@ -279,12 +279,16 @@ STATIC mp_obj_t pyb_dac_deinit(mp_obj_t self_in) {
pyb_dac_obj_t *self = self_in;
if (self->dac_channel == DAC_CHANNEL_1) {
DAC_Handle.Instance->CR &= ~DAC_CR_EN1;
- #ifndef STM32H7
+ #if defined(STM32H7) || defined(STM32L4)
+ DAC->MCR = (DAC->MCR & ~(7 << DAC_MCR_MODE1_Pos)) | 2 << DAC_MCR_MODE1_Pos;
+ #else
DAC_Handle.Instance->CR |= DAC_CR_BOFF1;
#endif
} else {
DAC_Handle.Instance->CR &= ~DAC_CR_EN2;
- #ifndef STM32H7
+ #if defined(STM32H7) || defined(STM32L4)
+ DAC->MCR = (DAC->MCR & ~(7 << DAC_MCR_MODE2_Pos)) | 2 << DAC_MCR_MODE2_Pos;
+ #else
DAC_Handle.Instance->CR |= DAC_CR_BOFF2;
#endif
}
