/**************************************************************************/

/*!

@file spi.h

@author K. Townsend

@section LICENSE

Software License Agreement (BSD License)

Copyright (c) 2013, K. Townsend (microBuilder.eu)

All rights reserved.

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright

notice, this list of conditions and the following disclaimer in the

documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holders nor the

names of its contributors may be used to endorse or promote products

derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY

EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.

*/

/**************************************************************************/

#ifndef _SPI_H_

#define _SPI_H_

#ifdef __cplusplus

extern "C" {

#endif

#include "LPC8xx.h"

#define SPI_CFG_ENABLE (1 << 0)

#define SPI_CFG_MASTER (1 << 2)

#define SPI_DLY_PREDELAY(d) ((d) << 0)

#define SPI_DLY_POSTDELAY(d) ((d) << 4)

#define SPI_DLY_FRAMEDELAY(d) ((d) << 8)

#define SPI_DLY_INTERDELAY(d) ((d) << 12)

#define SPI_TXDATCTL_EOT (1 << 20)

#define SPI_TXDATCTL_FSIZE(s) ((s) << 24)

#define SPI_STAT_RXRDY (1 << 0)

#define SPI_STAT_TXRDY (1 << 1)

void spiInit ( LPC_SPI_TypeDef *SPIx, uint32_t div, uint32_t delay );

uint8_t spiTransfer ( LPC_SPI_TypeDef *SPIx, uint8_t data );

#ifdef __cplusplus

}

#endif

#endif