Peter Drescher / EALib

The wait in mci_WaitForEvent will delay all card transactions.

Dependencies:   FATFileSystem

Fork of EALib by EmbeddedArtists AB

gpdma.h@9:da373a015d07, 2013-12-15 (annotated)

Committer:
dreschpe
Date:
Sun Dec 15 21:58:56 2013 +0000
Revision:
9:da373a015d07
Parent:
0:0fdadbc3d852 
the wait in mci_WaitForEvent will delay all card transactions.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 0:0fdadbc3d852 1
embeddedartists 0:0fdadbc3d852 2 #ifndef GPDMA_H
embeddedartists 0:0fdadbc3d852 3 #define GPDMA_H
embeddedartists 0:0fdadbc3d852 4
embeddedartists 0:0fdadbc3d852 5 #include "platform.h"
embeddedartists 0:0fdadbc3d852 6
embeddedartists 0:0fdadbc3d852 7 #define GPDMA_CONN_SDC ((1UL)) /*!< SD card */
embeddedartists 0:0fdadbc3d852 8
embeddedartists 0:0fdadbc3d852 9 typedef enum
embeddedartists 0:0fdadbc3d852 10 {
embeddedartists 0:0fdadbc3d852 11 GPDMA_TRANSFERTYPE_M2M_CONTROLLER_DMA, /* Memory to memory - DMA control */
embeddedartists 0:0fdadbc3d852 12 GPDMA_TRANSFERTYPE_M2P_CONTROLLER_DMA, /* Memory to peripheral - DMA control */
embeddedartists 0:0fdadbc3d852 13 GPDMA_TRANSFERTYPE_P2M_CONTROLLER_DMA, /* Peripheral to memory - DMA control */
embeddedartists 0:0fdadbc3d852 14 GPDMA_TRANSFERTYPE_P2P_CONTROLLER_DMA, /* Source peripheral to destination peripheral - DMA control */
embeddedartists 0:0fdadbc3d852 15 GPDMA_TRANSFERTYPE_P2P_CONTROLLER_DestPERIPHERAL, /* Source peripheral to destination peripheral - destination peripheral control */
embeddedartists 0:0fdadbc3d852 16 GPDMA_TRANSFERTYPE_M2P_CONTROLLER_PERIPHERAL, /* Memory to peripheral - peripheral control */
embeddedartists 0:0fdadbc3d852 17 GPDMA_TRANSFERTYPE_P2M_CONTROLLER_PERIPHERAL, /* Peripheral to memory - peripheral control */
embeddedartists 0:0fdadbc3d852 18 GPDMA_TRANSFERTYPE_P2P_CONTROLLER_SrcPERIPHERAL, /* Source peripheral to destination peripheral - source peripheral control */
embeddedartists 0:0fdadbc3d852 19 } gpdma_flowControl_t;
embeddedartists 0:0fdadbc3d852 20
embeddedartists 0:0fdadbc3d852 21 /**
embeddedartists 0:0fdadbc3d852 22 * @brief Initialize the GPDMA
embeddedartists 0:0fdadbc3d852 23 * @param pGPDMA : The base of GPDMA on the chip
embeddedartists 0:0fdadbc3d852 24 * @return Nothing
embeddedartists 0:0fdadbc3d852 25 */
embeddedartists 0:0fdadbc3d852 26 void gpdma_init();
embeddedartists 0:0fdadbc3d852 27
embeddedartists 0:0fdadbc3d852 28 /**
embeddedartists 0:0fdadbc3d852 29 * @brief Shutdown the GPDMA
embeddedartists 0:0fdadbc3d852 30 * @param pGPDMA : The base of GPDMA on the chip
embeddedartists 0:0fdadbc3d852 31 * @return Nothing
embeddedartists 0:0fdadbc3d852 32 */
embeddedartists 0:0fdadbc3d852 33 void gpdma_deinit();
embeddedartists 0:0fdadbc3d852 34
embeddedartists 0:0fdadbc3d852 35 /**
embeddedartists 0:0fdadbc3d852 36 * @brief Stop a stream DMA transfer
embeddedartists 0:0fdadbc3d852 37 * @param ChannelNum : Channel Number to be closed
embeddedartists 0:0fdadbc3d852 38 * @return Nothing
embeddedartists 0:0fdadbc3d852 39 */
embeddedartists 0:0fdadbc3d852 40 void gpdma_stop(uint8_t ChannelNum);
embeddedartists 0:0fdadbc3d852 41
embeddedartists 0:0fdadbc3d852 42 /**
embeddedartists 0:0fdadbc3d852 43 * @brief The GPDMA stream interrupt status checking
embeddedartists 0:0fdadbc3d852 44 * @param ChannelNum : Channel Number to be checked on interruption
embeddedartists 0:0fdadbc3d852 45 * @return Status:
embeddedartists 0:0fdadbc3d852 46 * - true : DMA transfer success
embeddedartists 0:0fdadbc3d852 47 * - false : DMA transfer failed
embeddedartists 0:0fdadbc3d852 48 */
embeddedartists 0:0fdadbc3d852 49 bool gpdma_interrupt(uint8_t ChannelNum);
embeddedartists 0:0fdadbc3d852 50
embeddedartists 0:0fdadbc3d852 51 /**
embeddedartists 0:0fdadbc3d852 52 * @brief Get a free GPDMA channel for one DMA connection
embeddedartists 0:0fdadbc3d852 53 * @param pCh : Assigned channel number (only valid if success)
embeddedartists 0:0fdadbc3d852 54 * @return Status:
embeddedartists 0:0fdadbc3d852 55 * - true : Found a free DMA channel
embeddedartists 0:0fdadbc3d852 56 * - false : No free DMA channels, pCh value is undefined
embeddedartists 0:0fdadbc3d852 57 */
embeddedartists 0:0fdadbc3d852 58 bool gpdma_getFreeChannel(uint8_t* pCh);
embeddedartists 0:0fdadbc3d852 59
embeddedartists 0:0fdadbc3d852 60 /**
embeddedartists 0:0fdadbc3d852 61 * @brief Do a DMA transfer M2M, M2P,P2M or P2P
embeddedartists 0:0fdadbc3d852 62 * @param ChannelNum : Channel used for transfer
embeddedartists 0:0fdadbc3d852 63 * @param src : Address of Memory or PeripheralConnection_ID which is the source
embeddedartists 0:0fdadbc3d852 64 * @param dst : Address of Memory or PeripheralConnection_ID which is the destination
embeddedartists 0:0fdadbc3d852 65 * @param TransferType: Select the transfer controller and the type of transfer. Should be:
embeddedartists 0:0fdadbc3d852 66 * - GPDMA_TRANSFERTYPE_M2M_CONTROLLER_DMA
embeddedartists 0:0fdadbc3d852 67 * - GPDMA_TRANSFERTYPE_M2P_CONTROLLER_DMA
embeddedartists 0:0fdadbc3d852 68 * - GPDMA_TRANSFERTYPE_P2M_CONTROLLER_DMA
embeddedartists 0:0fdadbc3d852 69 * - GPDMA_TRANSFERTYPE_P2P_CONTROLLER_DMA
embeddedartists 0:0fdadbc3d852 70 * - GPDMA_TRANSFERTYPE_P2P_CONTROLLER_DestPERIPHERAL
embeddedartists 0:0fdadbc3d852 71 * - GPDMA_TRANSFERTYPE_M2P_CONTROLLER_PERIPHERAL
embeddedartists 0:0fdadbc3d852 72 * - GPDMA_TRANSFERTYPE_P2M_CONTROLLER_PERIPHERAL
embeddedartists 0:0fdadbc3d852 73 * - GPDMA_TRANSFERTYPE_P2P_CONTROLLER_SrcPERIPHERAL
embeddedartists 0:0fdadbc3d852 74 * @param Size : The number of DMA transfers
embeddedartists 0:0fdadbc3d852 75 * @return False on error, true on success
embeddedartists 0:0fdadbc3d852 76 */
embeddedartists 0:0fdadbc3d852 77 //bool gpdma_transfer(uint8_t ChannelNum,
embeddedartists 0:0fdadbc3d852 78 // uint32_t src,
embeddedartists 0:0fdadbc3d852 79 // uint32_t dst,
embeddedartists 0:0fdadbc3d852 80 // gpdma_flowControl_t TransferType,
embeddedartists 0:0fdadbc3d852 81 // uint32_t Size);
embeddedartists 0:0fdadbc3d852 82
embeddedartists 0:0fdadbc3d852 83 bool gpdma_transfer_to_mci(uint8_t ChannelNum,
embeddedartists 0:0fdadbc3d852 84 uint32_t src,
embeddedartists 0:0fdadbc3d852 85 uint32_t Size);
embeddedartists 0:0fdadbc3d852 86 bool gpdma_transfer_from_mci(uint8_t ChannelNum,
embeddedartists 0:0fdadbc3d852 87 uint32_t dst,
embeddedartists 0:0fdadbc3d852 88 uint32_t Size);
embeddedartists 0:0fdadbc3d852 89 #endif
embeddedartists 0:0fdadbc3d852 90
embeddedartists 0:0fdadbc3d852 91