dmadrv.c File Reference
DMADRV API implementation.
- Version
- 5.5.0
License
(C) Copyright 2014 Silicon Labs, www.silabs.com
This file is licensed under the Silabs License Agreement. See the file "Silabs_License_Agreement.txt" for details. Before using this software for any purpose, you must agree to the terms of that agreement.
Definition in file
dmadrv.c
.
#include <stdbool.h>
#include <stddef.h>
#include "
em_device.h
"
#include "
em_cmu.h
"
#include "
em_core.h
"
#include "
dmadrv.h
"
Functions |
|
| Ecode_t | DMADRV_AllocateChannel (unsigned int *channelId, void *capabilities) |
|
Allocate (reserve) a DMA channel.
|
|
| Ecode_t | DMADRV_DeInit (void) |
|
Deinitialize DMADRV.
|
|
| Ecode_t | DMADRV_FreeChannel (unsigned int channelId) |
|
Free an allocated (reserved) DMA channel.
|
|
| Ecode_t | DMADRV_Init (void) |
|
Initialize DMADRV.
|
|
| Ecode_t | DMADRV_LdmaStartTransfer (int channelId, LDMA_TransferCfg_t *transfer, LDMA_Descriptor_t *descriptor, DMADRV_Callback_t callback, void *cbUserParam) |
|
Start an LDMA transfer.
|
|
| Ecode_t | DMADRV_MemoryPeripheral (unsigned int channelId, DMADRV_PeripheralSignal_t peripheralSignal, void *dst, void *src, bool srcInc, int len, DMADRV_DataSize_t size, DMADRV_Callback_t callback, void *cbUserParam) |
|
Start a memory to a peripheral DMA transfer.
|
|
| Ecode_t | DMADRV_MemoryPeripheralPingPong (unsigned int channelId, DMADRV_PeripheralSignal_t peripheralSignal, void *dst, void *src0, void *src1, bool srcInc, int len, DMADRV_DataSize_t size, DMADRV_Callback_t callback, void *cbUserParam) |
|
Start a memory to a peripheral ping-pong DMA transfer.
|
|
| Ecode_t | DMADRV_PauseTransfer (unsigned int channelId) |
|
Pause an ongoing DMA transfer.
|
|
| Ecode_t | DMADRV_PeripheralMemory (unsigned int channelId, DMADRV_PeripheralSignal_t peripheralSignal, void *dst, void *src, bool dstInc, int len, DMADRV_DataSize_t size, DMADRV_Callback_t callback, void *cbUserParam) |
|
Start a peripheral to memory DMA transfer.
|
|
| Ecode_t | DMADRV_PeripheralMemoryPingPong (unsigned int channelId, DMADRV_PeripheralSignal_t peripheralSignal, void *dst0, void *dst1, void *src, bool dstInc, int len, DMADRV_DataSize_t size, DMADRV_Callback_t callback, void *cbUserParam) |
|
Start a peripheral to memory ping-pong DMA transfer.
|
|
| Ecode_t | DMADRV_ResumeTransfer (unsigned int channelId) |
|
Resume an ongoing DMA transfer.
|
|
| Ecode_t | DMADRV_StopTransfer (unsigned int channelId) |
|
Stop an ongoing DMA transfer.
|
|
| Ecode_t | DMADRV_TransferActive (unsigned int channelId, bool *active) |
|
Check if a transfer is running.
|
|
| Ecode_t | DMADRV_TransferCompletePending (unsigned int channelId, bool *pending) |
|
Check if a transfer complete is pending.
|
|
| Ecode_t | DMADRV_TransferDone (unsigned int channelId, bool *done) |
|
Check if a transfer has completed.
|
|
| Ecode_t | DMADRV_TransferRemainingCount (unsigned int channelId, int *remaining) |
|
Get number of items remaining in a transfer.
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|