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stm32/dac: Add support for DAC feature on STM32G0.

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DAC.write() and DAC.write_timed() are now available on STM32G0.

Tested on NUCLEO_G0B1RE.

Signed-off-by: Yuuki NAGAO <wf.yn386@gmail.com>
This commit is contained in:
Yuuki NAGAO
2025-07-25 20:14:03 +09:00
committed by Damien George
parent 1b35116c92
commit 152a0782e6
3 changed files with 5 additions and 5 deletions
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2
ports/stm32/boards/NUCLEO_G0B1RE/mpconfigboard.h
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@@ -5,7 +5,7 @@
#define MICROPY_HW_HAS_FLASH (1)
#define MICROPY_HW_ENABLE_RNG (0)
#define MICROPY_HW_ENABLE_RTC (1)
#define MICROPY_HW_ENABLE_DAC (0)
#define MICROPY_HW_ENABLE_DAC (1)
#define MICROPY_HW_ENABLE_USB (0) // can be enabled if USB cable connected to PA11/PA12
#define MICROPY_PY_PYB_LEGACY (0)

2
ports/stm32/dac.c
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@@ -97,7 +97,7 @@ static uint32_t TIMx_Config(mp_obj_t timer) {
// work out the trigger channel (only certain ones are supported)
if (tim->Instance == TIM2) {
return DAC_TRIGGER_T2_TRGO;
#if defined(TIM4)
#if defined(TIM4) && defined(DAC_TRIGGER_T4_TRGO) // G0B1 doesn't have this
} else if (tim->Instance == TIM4) {
return DAC_TRIGGER_T4_TRGO;
#endif

6
ports/stm32/dma.c
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@@ -1657,7 +1657,7 @@ static void dma_idle_handler(uint32_t tick) {
}
#endif
#if defined(STM32F0) || defined(STM32G4) || defined(STM32L0) || defined(STM32L1) || defined(STM32L4)
#if defined(STM32F0) || defined(STM32G0) || defined(STM32G4) || defined(STM32L0) || defined(STM32L1) || defined(STM32L4)
void dma_nohal_init(const dma_descr_t *descr, uint32_t config) {
DMA_Channel_TypeDef *dma = descr->instance;
@@ -1680,7 +1680,7 @@ void dma_nohal_init(const dma_descr_t *descr, uint32_t config) {
} else {
__HAL_DMA2_REMAP(descr->sub_instance);
}
#elif defined(STM32G4)
#elif defined(STM32G0) || defined(STM32G4)
uint32_t *dmamux_ctrl = (void *)(DMAMUX1_Channel0_BASE + 0x04 * descr->id);
*dmamux_ctrl = (*dmamux_ctrl & ~(0x7f)) | descr->sub_instance;
#elif defined(STM32L1)
@@ -1807,7 +1807,7 @@ void dma_nohal_start(const dma_descr_t *descr, uint32_t src_addr, uint32_t dst_a
dma->CCR |= DMA_CCR_EN;
}
#elif defined(STM32G0) || defined(STM32N6) || defined(STM32WB) || defined(STM32WL)
#elif defined(STM32N6) || defined(STM32WB) || defined(STM32WL)
// These functions are currently not implemented or needed for this MCU.