RTEMS: bsps/arm/atsam/contrib/libraries/libchip/source/xdmad.c File Reference

| RTEMS 5.4-rc2

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Functions | Variables
xdmad.c File Reference
`#include "chip.h"`
`#include <assert.h>`

## Functions
bool | XDMAD_UpdateStatusFromCallback (sXdmad *pXdmad, uint32_t Channel, uint32_t status)
void | XDMAD_DoNothingCallback (uint32_t Channel, void *pArg, uint32_t status)
| RTEMS_SYSINIT_ITEM (XDMAD_SysInitialize, RTEMS_SYSINIT_BSP_START, RTEMS_SYSINIT_ORDER_LAST_BUT_5)
uint32_t | XDMAD_AllocateChannel (sXdmad *pXdmad, uint8_t bSrcID, uint8_t bDstID)
| Allocate a XDMA channel for upper layer.
eXdmadRC | XDMAD_FreeChannel (sXdmad *pXdmad, uint32_t dwChannel)
| Free the specified xDMA channel.
eXdmadRC | XDMAD_SetCallback (sXdmad *pXdmad, uint32_t dwChannel, XdmadTransferCallback fCallback, void *pArg)
| Set the callback function for xDMA channel transfer.
eXdmadRC | XDMAD_PrepareChannel (sXdmad *pXdmad, uint32_t dwChannel)
| Enable clock of the xDMA peripheral, Enable the dma peripheral, configure configuration register for xDMA transfer.
eXdmadRC | XDMAD_ConfigureTransfer (sXdmad *pXdmad, uint32_t dwChannel, sXdmadCfg *pXdmaParam, uint32_t dwXdmaDescCfg, uint32_t dwXdmaDescAddr, uint32_t dwXdmaIntEn)
| Configure DMA for a single transfer.
eXdmadRC | XDMAD_StartTransfer (sXdmad *pXdmad, uint32_t dwChannel)
| Start xDMA transfer.
eXdmadRC | XDMAD_StopTransfer (sXdmad *pXdmad, uint32_t dwChannel)
| Stop DMA transfer.

## Variables
sXdmad | XDMAD_Instance