DMADRV API definition. More...
#include "em_device.h"
#include "ecode.h"
#include "em_dma.h"
#include "dmadrv_config.h"
#include "../Device/SiliconLabs/EFM32GG/Include/efm32gg_dmareq.h"
Go to the source code of this file.
Defines | |
#define | ECODE_EMDRV_DMADRV_OK ( ECODE_OK ) |
Success return value. | |
#define | ECODE_EMDRV_DMADRV_PARAM_ERROR ( ECODE_EMDRV_DMADRV_BASE | 0x00000001 ) |
Illegal input parameter. | |
#define | ECODE_EMDRV_DMADRV_NOT_INITIALIZED ( ECODE_EMDRV_DMADRV_BASE | 0x00000002 ) |
DMA is not initialized. | |
#define | ECODE_EMDRV_DMADRV_ALREADY_INITIALIZED ( ECODE_EMDRV_DMADRV_BASE | 0x00000003 ) |
DMA has already been initialized. | |
#define | ECODE_EMDRV_DMADRV_CHANNELS_EXHAUSTED ( ECODE_EMDRV_DMADRV_BASE | 0x00000004 ) |
No DMA channels available. | |
#define | ECODE_EMDRV_DMADRV_IN_USE ( ECODE_EMDRV_DMADRV_BASE | 0x00000005 ) |
DMA is in use. | |
#define | ECODE_EMDRV_DMADRV_ALREADY_FREED ( ECODE_EMDRV_DMADRV_BASE | 0x00000006 ) |
DMA channel was free. | |
#define | ECODE_EMDRV_DMADRV_CH_NOT_ALLOCATED ( ECODE_EMDRV_DMADRV_BASE | 0x00000007 ) |
The channel is not reserved. | |
#define | DMADRV_MAX_XFER_COUNT ((int)((_DMA_CTRL_N_MINUS_1_MASK >> _DMA_CTRL_N_MINUS_1_SHIFT) + 1)) |
Maximum length of one DMA transfer. | |
#define | DMADRV_MAX_XFER_COUNT ((int)((_LDMA_CH_CTRL_XFERCNT_MASK >> _LDMA_CH_CTRL_XFERCNT_SHIFT) + 1)) |
Maximum length of one DMA transfer. | |
Typedefs | |
typedef bool(* | DMADRV_Callback_t )(unsigned int channel, unsigned int sequenceNo, void *userParam) |
DMADRV transfer completion callback function. | |
Enumerations | |
enum | DMADRV_Peripheralsignal_t { dmadrvPeripheralSignal_NONE = 0, dmadrvPeripheralSignal_ADC0_SCAN = ((8 << 16) + 1), dmadrvPeripheralSignal_ADC0_SINGLE = ((8 << 16) + 0), dmadrvPeripheralSignal_AES_DATARD = ((49 << 16) + 2), dmadrvPeripheralSignal_AES_DATAWR = ((49 << 16) + 0), dmadrvPeripheralSignal_AES_KEYWR = ((49 << 16) + 3), dmadrvPeripheralSignal_AES_XORDATAWR = ((49 << 16) + 1), dmadrvPeripheralSignal_DAC0_CH0 = ((10 << 16) + 0), dmadrvPeripheralSignal_DAC0_CH1 = ((10 << 16) + 1), dmadrvPeripheralSignal_EBI_DDEMPTY = ((51 << 16) + 3), dmadrvPeripheralSignal_EBI_PXL0EMPTY = ((51 << 16) + 0), dmadrvPeripheralSignal_EBI_PXL1EMPTY = ((51 << 16) + 1), dmadrvPeripheralSignal_EBI_PXLFULL = ((51 << 16) + 2), dmadrvPeripheralSignal_I2C0_RXDATAV = ((20 << 16) + 0), dmadrvPeripheralSignal_I2C0_TXBL = ((20 << 16) + 1), dmadrvPeripheralSignal_I2C1_RXDATAV = ((21 << 16) + 0), dmadrvPeripheralSignal_I2C1_TXBL = ((21 << 16) + 1), dmadrvPeripheralSignal_LESENSE_BUFDATAV = ((50 << 16) + 0), dmadrvPeripheralSignal_LEUART0_RXDATAV = ((16 << 16) + 0), dmadrvPeripheralSignal_LEUART0_TXBL = ((16 << 16) + 1), dmadrvPeripheralSignal_LEUART0_TXEMPTY = ((16 << 16) + 2), dmadrvPeripheralSignal_LEUART1_RXDATAV = ((17 << 16) + 0), dmadrvPeripheralSignal_LEUART1_TXBL = ((17 << 16) + 1), dmadrvPeripheralSignal_LEUART1_TXEMPTY = ((17 << 16) + 2), dmadrvPeripheralSignal_MSC_WDATA = ((48 << 16) + 0), dmadrvPeripheralSignal_TIMER0_CC0 = ((24 << 16) + 1), dmadrvPeripheralSignal_TIMER0_CC1 = ((24 << 16) + 2), dmadrvPeripheralSignal_TIMER0_CC2 = ((24 << 16) + 3), dmadrvPeripheralSignal_TIMER0_UFOF = ((24 << 16) + 0), dmadrvPeripheralSignal_TIMER1_CC0 = ((25 << 16) + 1), dmadrvPeripheralSignal_TIMER1_CC1 = ((25 << 16) + 2), dmadrvPeripheralSignal_TIMER1_CC2 = ((25 << 16) + 3), dmadrvPeripheralSignal_TIMER1_UFOF = ((25 << 16) + 0), dmadrvPeripheralSignal_TIMER2_CC0 = ((26 << 16) + 1), dmadrvPeripheralSignal_TIMER2_CC1 = ((26 << 16) + 2), dmadrvPeripheralSignal_TIMER2_CC2 = ((26 << 16) + 3), dmadrvPeripheralSignal_TIMER2_UFOF = ((26 << 16) + 0), dmadrvPeripheralSignal_TIMER3_CC0 = ((27 << 16) + 1), dmadrvPeripheralSignal_TIMER3_CC1 = ((27 << 16) + 2), dmadrvPeripheralSignal_TIMER3_CC2 = ((27 << 16) + 3), dmadrvPeripheralSignal_TIMER3_UFOF = ((27 << 16) + 0), dmadrvPeripheralSignal_UART0_RXDATAV = ((44 << 16) + 0), dmadrvPeripheralSignal_UART0_TXBL = ((44 << 16) + 1), dmadrvPeripheralSignal_UART0_TXEMPTY = ((44 << 16) + 2), dmadrvPeripheralSignal_UART1_RXDATAV = ((45 << 16) + 0), dmadrvPeripheralSignal_UART1_TXBL = ((45 << 16) + 1), dmadrvPeripheralSignal_UART1_TXEMPTY = ((45 << 16) + 2), dmadrvPeripheralSignal_USART0_RXDATAV = ((12 << 16) + 0), dmadrvPeripheralSignal_USART0_TXBL = ((12 << 16) + 1), dmadrvPeripheralSignal_USART0_TXEMPTY = ((12 << 16) + 2), dmadrvPeripheralSignal_USART1_RXDATAV = ((13 << 16) + 0), dmadrvPeripheralSignal_USART1_RXDATAVRIGHT = ((13 << 16) + 3), dmadrvPeripheralSignal_USART1_TXBL = ((13 << 16) + 1), dmadrvPeripheralSignal_USART1_TXBLRIGHT = ((13 << 16) + 4), dmadrvPeripheralSignal_USART1_TXEMPTY = ((13 << 16) + 2), dmadrvPeripheralSignal_USART2_RXDATAV = ((14 << 16) + 0), dmadrvPeripheralSignal_USART2_RXDATAVRIGHT = ((14 << 16) + 3), dmadrvPeripheralSignal_USART2_TXBL = ((14 << 16) + 1), dmadrvPeripheralSignal_USART2_TXBLRIGHT = ((14 << 16) + 4), dmadrvPeripheralSignal_USART2_TXEMPTY = ((14 << 16) + 2) } |
Peripherals that can trigger UDMA transfers. More... | |
enum | DMADRV_Datasize_t { dmadrvDataSize1 = dmaDataSize1, dmadrvDataSize2 = dmaDataSize2, dmadrvDataSize4 = dmaDataSize4 } |
Data size of one UDMA transfer item. More... | |
enum | DMADRV_PeripheralSignal_t { dmadrvPeripheralSignal_NONE = 0 } |
Peripherals that can trigger LDMA transfers. More... | |
enum | DMADRV_DataSize_t { dmadrvDataSize1 = dmaDataSize1, dmadrvDataSize2 = dmaDataSize2, dmadrvDataSize4 = dmaDataSize4 } |
Data size of one LDMA transfer item. More... | |
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 allocate (reserved) DMA channel. | |
Ecode_t | DMADRV_Init (void) |
Initialize DMADRV. | |
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 peripheral 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_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 peripheral ping-pong 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_LdmaStartTransfer (int channelId, LDMA_TransferCfg_t *transfer, LDMA_Descriptor_t *descriptor, DMADRV_Callback_t callback, void *cbUserParam) |
Start a LDMA 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. |
DMADRV API definition.
(C) Copyright 2014 Silicon Labs, http://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.h.