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Code Issues Wiki Activity

Register allocated DMA channels for dma show

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This commit is contained in:
Steve Evans 2025-06-30 18:45:32 +01:00
parent dd9a51a108
commit f98298c22e
4 changed files with 11 additions and 4 deletions
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9
src/platform/PICO/bus_spi_pico.c
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@ -302,7 +302,6 @@ void spiInitBusDMA(void)
// no more available channels so give up
return;
}
channel_rx = dma_claim_unused_channel(true);
if (channel_rx == -1) {
// no more available channels so give up, first releasing the one
@ -311,6 +310,14 @@ void spiInitBusDMA(void)
return;
}
if (!dmaAllocate(DMA_CHANNEL_TO_IDENTIFIER(channel_tx), OWNER_SPI_SDO, device + 1) ||
!dmaAllocate(DMA_CHANNEL_TO_IDENTIFIER(channel_rx), OWNER_SPI_SDI, device + 1)) {
// This should never happen if all allocated channels are claimed
dma_channel_unclaim(channel_tx);
dma_channel_unclaim(channel_rx);
return;
}
bus->dmaTx = &dmaDescriptors[DMA_CHANNEL_TO_INDEX(channel_tx)];
bus->dmaTx->channel = channel_tx;

2
src/platform/PICO/dma_pico.c
View file

@ -47,7 +47,7 @@ dmaChannelDescriptor_t dmaDescriptors[DMA_LAST_HANDLER] = {
DEFINE_DMA_CHANNEL(DMA_CH9_HANDLER),
DEFINE_DMA_CHANNEL(DMA_CH10_HANDLER),
DEFINE_DMA_CHANNEL(DMA_CH11_HANDLER),
#ifdef RP2350
#if defined(RP2350A) || defined(RP2350B)
DEFINE_DMA_CHANNEL(DMA_CH12_HANDLER),
DEFINE_DMA_CHANNEL(DMA_CH13_HANDLER),
DEFINE_DMA_CHANNEL(DMA_CH14_HANDLER),

2
src/platform/PICO/dma_reqmap_mcu.c
View file

@ -49,7 +49,7 @@ static dmaChannelSpec_t dmaChannelSpec[MAX_PERIPHERAL_DMA_OPTIONS] = {
DMA(10),
DMA(11),
DMA(12),
#ifdef RP2350
#if defined(RP2350A) || defined(RP2350B)
DMA(13),
DMA(14),
DMA(15),

2
src/platform/PICO/include/platform/dma.h
View file

@ -39,7 +39,7 @@ typedef enum {
DMA_CH9_HANDLER,
DMA_CH10_HANDLER,
DMA_CH11_HANDLER,
#ifdef RP2350
#if defined(RP2350A) || defined(RP2350B)
DMA_CH12_HANDLER,
DMA_CH13_HANDLER,
DMA_CH14_HANDLER,