configintuart1.c

来自「基於 c51/8051 的 nand Flash Memory HY27US08」· C语言 代码 · 共 34 行

#if defined(__PIC24F__)
#include <p24Fxxxx.h>
#endif
#include "uart.h"


/**********************************************************************
* Function Name     : ConfigIntUART1                                  *
* Description       : This function sets priority for RX,TX interrupt * 
*                     and enable/disables the interrupt               *
* Parameters        : unsigned int config enable/disable and priority *
* Return Value      : None                                            *  
**********************************************************************/
#ifdef _UART_IRDA_V1_1

void ConfigIntUART1(unsigned int config)
{
    /* clear IF flags */
    IFS0bits.U1RXIF = 0;
    IFS0bits.U1TXIF = 0;

    /* set priority */
    IPC2bits.U1RXIP = 0x0007 & config;
    IPC3bits.U1TXIP = (0x0070 & config) >> 4;

    /* enable/disable interrupt */
    IEC0bits.U1RXIE = (0x0008 & config) >> 3;
    IEC0bits.U1TXIE = (0x0080 & config) >> 7;
}

#else
#warning "Does not build on this target"
#endif