can1isrxready.c

来自「Microchip的官方PIC24H系列16位单片机的外设源程序库。」· C语言 代码 · 共 29 行

#include<CAN.h>
#include<p30fxxxx.h>

#if defined(__dsPIC30F4013__) || defined(__dsPIC30F5011__) || defined(__dsPIC30F6011__)  || defined(__dsPIC30F6012__) \
    || defined(__dsPIC30F5013__) || defined(__dsPIC30F6013__) || defined(__dsPIC30F6014__) || defined(__dsPIC30F4012__) \
    || defined(__dsPIC30F4011__) || defined(__dsPIC30F6010__) || defined(__dsPIC30F5015__)

/***************************************************************************
* Function Name     : CAN1IsRXReady
* Description       : This function returns RXFUL bit status which indicates 
*                     whether the receive buffer contains any received message
* Parameters        : char buffno
* Return Value      : char: RXFUL bit status
****************************************************************************/

char CAN1IsRXReady(char buffno)
{  
    switch(buffno)
    {
    case 0:
        return C1RX0CONbits.RXFUL;
    case 1:
        return C1RX1CONbits.RXFUL;
    }
    return 0;
}

#endif