EFM32 Happy Gecko Software Documentation
efm32hg-doc-5.1.2
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Configuration structure for alternate scatter-gather descriptor.
#include <em_dma.h>
Data Fields | |
DMA_ArbiterConfig_TypeDef | arbRate |
void * | dst |
DMA_DataInc_TypeDef | dstInc |
uint8_t | hprot |
uint16_t | nMinus1 |
bool | peripheral |
DMA_DataSize_TypeDef | size |
void * | src |
DMA_DataInc_TypeDef | srcInc |
DMA_ArbiterConfig_TypeDef DMA_CfgDescrSGAlt_TypeDef::arbRate |
Arbitration rate, ie number of DMA transfers done before rearbitration takes place.
Definition at line 298 of file em_dma.h.
Referenced by DMA_CfgDescrScatterGather().
void* DMA_CfgDescrSGAlt_TypeDef::dst |
Pointer to location to transfer data to.
Definition at line 283 of file em_dma.h.
Referenced by DMA_CfgDescrScatterGather().
DMA_DataInc_TypeDef DMA_CfgDescrSGAlt_TypeDef::dstInc |
Destination increment size for each DMA transfer
Definition at line 286 of file em_dma.h.
Referenced by DMA_CfgDescrScatterGather().
uint8_t DMA_CfgDescrSGAlt_TypeDef::hprot |
HPROT signal state, please refer to reference manual, DMA chapter for further details. Normally set to 0 if protection is not an issue. The following bits are available:
Definition at line 312 of file em_dma.h.
Referenced by DMA_CfgDescrScatterGather().
uint16_t DMA_CfgDescrSGAlt_TypeDef::nMinus1 |
Number of DMA transfers minus 1 to do. Must be <= 1023.
Definition at line 301 of file em_dma.h.
Referenced by DMA_CfgDescrScatterGather().
bool DMA_CfgDescrSGAlt_TypeDef::peripheral |
Specify if a memory or peripheral scatter-gather DMA cycle. Notice that this parameter should be the same for all alternate descriptors.
Definition at line 320 of file em_dma.h.
Referenced by DMA_CfgDescrScatterGather().
DMA_DataSize_TypeDef DMA_CfgDescrSGAlt_TypeDef::size |
DMA transfer unit size.
Definition at line 292 of file em_dma.h.
Referenced by DMA_CfgDescrScatterGather().
void* DMA_CfgDescrSGAlt_TypeDef::src |
Pointer to location to transfer data from.
Definition at line 280 of file em_dma.h.
Referenced by DMA_CfgDescrScatterGather().
DMA_DataInc_TypeDef DMA_CfgDescrSGAlt_TypeDef::srcInc |
Source increment size for each DMA transfer
Definition at line 289 of file em_dma.h.
Referenced by DMA_CfgDescrScatterGather().