efm32hg/html/dmactrl_8c_source.html

 /***************************************************************************/

 #include "em_device.h"

 #include "em_common.h"

 #include "dmactrl.h"


 #if ( ( DMA_CHAN_COUNT > 0 ) && ( DMA_CHAN_COUNT <= 4 ) )

 #define DMACTRL_CH_CNT      4

 #define DMACTRL_ALIGNMENT   128


 #elif ( ( DMA_CHAN_COUNT > 4 ) && ( DMA_CHAN_COUNT <= 8 ) )

 #define DMACTRL_CH_CNT      8

 #define DMACTRL_ALIGNMENT   256


 #elif ( ( DMA_CHAN_COUNT > 8 ) && ( DMA_CHAN_COUNT <= 12 ) )

 #define DMACTRL_CH_CNT      16

 #define DMACTRL_ALIGNMENT   256


 #else

 #error "Unsupported DMA channel count (dmactrl.c)."

 #endif


 SL_ALIGN(DMACTRL_ALIGNMENT)

 DMA_DESCRIPTOR_TypeDef dmaControlBlock[DMACTRL_CH_CNT * 2] SL_ATTRIBUTE_ALIGN(DMACTRL_ALIGNMENT);

em_device.h
CMSIS Cortex-M Peripheral Access Layer for Silicon Laboratories microcontroller devices.

SL_ALIGN
#define SL_ALIGN(X)
Macro for aligning a variable.   Use this macro before the variable definition.   X denotes the stora...
Definition: em_common.h:168

em_common.h
General purpose utilities.

DMA_DESCRIPTOR_TypeDef
Definition: efm32hg_dma_descriptor.h:40

SL_ATTRIBUTE_ALIGN
DMA_DESCRIPTOR_TypeDef dmaControlBlock[DMACTRL_CH_CNT *2] SL_ATTRIBUTE_ALIGN(DMACTRL_ALIGNMENT)

dmactrl.h
DMA control data block.