SPI: fix compilation on F4 when DSHOT_BITBANG is not used
This commit is contained in:
parent
5933d96bc3
commit
d464dd7378
|
@ -570,7 +570,7 @@ bool spiSetBusInstance(extDevice_t *dev, uint32_t device)
|
|||
void spiInitBusDMA()
|
||||
{
|
||||
uint32_t device;
|
||||
#ifdef STM32F4
|
||||
#if defined(STM32F4) && defined(USE_DSHOT_BITBANG)
|
||||
/* Check https://www.st.com/resource/en/errata_sheet/dm00037591-stm32f405407xx-and-stm32f415417xx-device-limitations-stmicroelectronics.pdf
|
||||
* section 2.1.10 which reports an errata that corruption may occurs on DMA2 if AHB peripherals (eg GPIO ports) are
|
||||
* access concurrently with APB peripherals (eg SPI busses). Bitbang DSHOT uses DMA2 to write to GPIO ports. If this
|
||||
|
@ -608,7 +608,7 @@ void spiInitBusDMA()
|
|||
dmaTxIdentifier = DMA_NONE;
|
||||
continue;
|
||||
}
|
||||
#ifdef STM32F4
|
||||
#if defined(STM32F4) && defined(USE_DSHOT_BITBANG)
|
||||
if (dshotBitbangActive && (DMA_DEVICE_NO(dmaTxIdentifier) == 2)) {
|
||||
dmaTxIdentifier = DMA_NONE;
|
||||
break;
|
||||
|
@ -642,7 +642,7 @@ void spiInitBusDMA()
|
|||
dmaRxIdentifier = DMA_NONE;
|
||||
continue;
|
||||
}
|
||||
#ifdef STM32F4
|
||||
#if defined(STM32F4) && defined(USE_DSHOT_BITBANG)
|
||||
if (dshotBitbangActive && (DMA_DEVICE_NO(dmaRxIdentifier) == 2)) {
|
||||
dmaRxIdentifier = DMA_NONE;
|
||||
break;
|
||||
|
|
Loading…
Reference in New Issue