/*********************************************************************
 *
 *                  SPI API implementation file
 *
 *********************************************************************
 * FileName:        spi_chn_rx_buff_empty_lib.c
 * Dependencies:    spi.h
 *
 * Processor:       PIC32
 *
 * Compiler:        MPLAB XC32
 *                  MPLAB IDE
 * Company:         Microchip Technology Inc.
 *
 * Software License Agreement
 *
 * The software supplied herewith by Microchip Technology Incorporated
 * (the “Company”) for its PIC32 Microcontroller is intended
 * and supplied to you, the Company’s customer, for use solely and
 * exclusively on Microchip PIC32 Microcontroller products.
 * The software is owned by the Company and/or its supplier, and is
 * protected under applicable copyright laws. All rights are reserved.
 * Any use in violation of the foregoing restrictions may subject the
 * user to criminal sanctions under applicable laws, as well as to
 * civil liability for the breach of the terms and conditions of this
 * license.
 *
 * THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES,
 * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED
 * TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT,
 * IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR
 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 *
 *
 * $Id$
 * $Name$
 *
 ********************************************************************/
#include <peripheral/spi.h>

#include "_spi_map_tbl.h"


/********************
 * Channel functions.
 * Defined only if there's at least one valid SPI channel
 * *********************************/
#ifdef _SPI_DEF_CHN_

#ifdef _SPI_REV_5XX_

/*********************************************************************
 * Function:        int SpiChnRxBuffEmpty(SpiChannel chn)
 *
 * PreCondition:    None
 *
 * Input:           chn - the channel to check
 *
 * Output:          TRUE - if the RX buffer is empty
 *                  FALSE otherwise
 *
 * Side Effects:    None
 *
 * Overview:        This function returns the SPI channel RX Buffer empty condition.
 *
 * Note:            Valid only in enhanced buffer (FIFO) mode.
 *
 * Example:         int isRxEmpty=SpiChnRxBuffEmpty(SPI_CHANNEL1);
 ********************************************************************/
int SpiChnRxBuffEmpty(SpiChannel chn)
{
	return _SpiMapTbl[chn]->stat.SPIRBE!=0;
}


/*********************************************************************
 * Function:        int SpiChnRxBuffFull(SpiChannel chn)
 *
 * PreCondition:    None
 *
 * Input:           chn - the channel to check
 *
 * Output:          TRUE - if the RX buffer is full
 *                  FALSE otherwise
 *
 * Side Effects:    None
 *
 * Overview:        This function returns the SPI channel RX Buffer full condition.
 *
 * Note:            Valid in both standard and enhanced buffer (FIFO) mode.
 *                  In enhanced buffer mode it signals that the whole FIFO is full.
 *
 * Example:         int isRxFull=SpiChnRxBuffFull(SPI_CHANNEL1);
 ********************************************************************/
int SpiChnRxBuffFull(SpiChannel chn)
{
	return _SpiMapTbl[chn]->stat.SPIRBF!=0;
}



#endif	// _SPI_REV_5XX_

#endif	// _SPI_DEF_CHN_