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/* ---------------------------------------------------------------------------- */
/* Atmel Microcontroller Software Support */
/* SAM Software Package License */
/* ---------------------------------------------------------------------------- */
/* Copyright (c) 2015, Atmel Corporation */
/* */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without */
/* modification, are permitted provided that the following condition is 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"
#ifndef __rtems__
#include "../../../../utils/utility.h"
#endif /* __rtems__ */
/*----------------------------------------------------------------------------
* 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_ */
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