/* ---------------------------------------------------------------------------- | |
* SAM Software Package License | |
* ---------------------------------------------------------------------------- | |
* Copyright (c) 2011, Atmel Corporation | |
* | |
* All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions are met: | |
* | |
* - Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the disclaimer below. | |
* | |
* Atmel's name may not be used to endorse or promote products derived from | |
* this software without specific prior written permission. | |
* | |
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR | |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE | |
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, | |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, | |
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
* ---------------------------------------------------------------------------- | |
*/ | |
/** | |
* \file | |
* | |
* Implementation of SPI driver, transfer data through DMA. | |
* | |
*/ | |
#ifndef QSPI_DMA_H | |
#define QSPI_DMA_H | |
/*---------------------------------------------------------------------------- | |
* Headers | |
*----------------------------------------------------------------------------*/ | |
#include "chip.h" | |
//_RB_#include "../../../../utils/utility.h" | |
/*---------------------------------------------------------------------------- | |
* Definitions | |
*----------------------------------------------------------------------------*/ | |
/** An unspecified error has occurred.*/ | |
#define QSPID_ERROR 1 | |
/** SPI driver is currently in use.*/ | |
#define QSPID_ERROR_LOCK 2 | |
#define QSPID_CH_NOT_ENABLED 0xFF | |
/*---------------------------------------------------------------------------- | |
* Types | |
*----------------------------------------------------------------------------*/ | |
/** SPI transfer complete callback. */ | |
typedef void (*QspidCallback)( uint8_t, void* ) ; | |
/** Constant structure associated with SPI port. This structure prevents | |
client applications to have access in the same time. */ | |
typedef struct _Qspid | |
{ | |
Qspid_t Qspid; | |
/** Pointer to DMA driver */ | |
sXdmad* pXdmad; | |
/** Polling */ | |
uint8_t Polling ; | |
/** Tx ch num */ | |
uint8_t TxChNum ; | |
/** Rx ch num */ | |
uint8_t RxChNum ; | |
/** QSPI Xfr state. */ | |
volatile uint8_t progress ; | |
} QspiDma_t ; | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
/*---------------------------------------------------------------------------- | |
* Exported functions | |
*----------------------------------------------------------------------------*/ | |
uint32_t QSPID_Configure( QspiDma_t *pQspidma, QspiMode_t Mode, | |
uint32_t dwConfiguration, sXdmad* pXdmad); | |
uint32_t QSPID_EnableQspiRxChannel(QspiDma_t *pQspidma); | |
uint32_t QSPID_EnableQspiTxChannel(QspiDma_t *pQspidma); | |
uint32_t QSPID_DisableQspiRxChannel(QspiDma_t *pQspidma); | |
uint32_t QSPID_DisableQspiTxChannel(QspiDma_t *pQspidma); | |
uint32_t QSPID_DisableSpiChannel(QspiDma_t *pQspidma); | |
uint32_t QSPID_EnableSpiChannel(QspiDma_t *pQspidma); | |
uint32_t QSPID_ReadWriteQSPI( QspiDma_t *pQspidma, Access_t const ReadWrite); | |
uint32_t QSPID_ReadWriteSPI(QspiDma_t *pQspidma, Access_t const ReadWrite); | |
uint32_t QSPID_IsBusy( volatile uint8_t *QspiSemaphore) ; | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* #ifndef _SPI_DMA_ */ |