diff options
| author | Damien George | 2018-05-02 12:07:10 +1000 |
|---|---|---|
| committer | Damien George | 2018-05-02 12:17:45 +1000 |
| commit | dcfd2de5c2319f026e53c0a63495823a5bb11706 (patch) | |
| tree | 8a91d80fccc40709a1877b78ee53f4b49cb39f63 | |
| parent | d4f8414ebdc5e61ef9127778ab0ce4c09f8839e9 (diff) | |
stm32/dac: Make deinit disable the output buffer on H7 and L4 MCUs.
| -rw-r--r-- | ports/stm32/dac.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/ports/stm32/dac.c b/ports/stm32/dac.c index 1b6838641..7a72a2106 100644 --- a/ports/stm32/dac.c +++ b/ports/stm32/dac.c @@ -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 } |