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Support DMA 16 bit for Memory to peripheral #43

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merged 2 commits into from
Sep 6, 2020
Merged

Support DMA 16 bit for Memory to peripheral #43

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e20d346
use TransferWidth for GPDMA_TRANSFERTYPE_M2P, so it will support DMA …
rhapsodyv Aug 24, 2020
5fe22a6
allow enable/disable memory increase for DMA
rhapsodyv Aug 29, 2020
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6 changes: 3 additions & 3 deletions system/CMSIS/driver/lpc17xx_gpdma.c
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Original file line number Diff line number Diff line change
Expand Up @@ -284,9 +284,9 @@ Status GPDMA_Setup(GPDMA_Channel_CFG_Type *GPDMAChannelConfig)
= GPDMA_DMACCxControl_TransferSize((uint32_t)GPDMAChannelConfig->TransferSize) \
| GPDMA_DMACCxControl_SBSize((uint32_t)GPDMA_LUTPerBurst[GPDMAChannelConfig->DstConn]) \
| GPDMA_DMACCxControl_DBSize((uint32_t)GPDMA_LUTPerBurst[GPDMAChannelConfig->DstConn]) \
| GPDMA_DMACCxControl_SWidth((uint32_t)GPDMA_LUTPerWid[GPDMAChannelConfig->DstConn]) \
| GPDMA_DMACCxControl_DWidth((uint32_t)GPDMA_LUTPerWid[GPDMAChannelConfig->DstConn]) \
| GPDMA_DMACCxControl_SI \
| GPDMA_DMACCxControl_SWidth(GPDMAChannelConfig->TransferWidth > 0 ? GPDMAChannelConfig->TransferWidth : (uint32_t)GPDMA_LUTPerWid[GPDMAChannelConfig->DstConn]) \
| GPDMA_DMACCxControl_DWidth(GPDMAChannelConfig->TransferWidth > 0 ? GPDMAChannelConfig->TransferWidth : (uint32_t)GPDMA_LUTPerWid[GPDMAChannelConfig->DstConn]) \
| GPDMAChannelConfig->MemoryIncrease \
| GPDMA_DMACCxControl_I;
break;
// Peripheral to memory
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6 changes: 6 additions & 0 deletions system/CMSIS/include/lpc17xx_gpdma.h
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Expand Up @@ -381,6 +381,12 @@ typedef struct {
uint32_t DMALLI; /**< Linker List Item structure data address
if there's no Linker List, set as '0'
*/

uint32_t MemoryIncrease; /** Setup Memory Increase for GPDMA_TRANSFERTYPE_M2P
GPDMA_DMACCxControl_SI < Source increment
GPDMA_DMACCxControl_DI < Destination increment
Or both, or None
*/
} GPDMA_Channel_CFG_Type;

/**
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