slavereadi2c.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 21 行

#include <i2c.h>
#include <p30fxxxx.h>

/**********************************************************************
*    Function Name:  SlaveReadI2C										
*    Description:    This routine reads a single byte from the I2C Bus. 
*                    The RBF bit is checked until it is set.When set,
*                    the receive register is full and it's contents are
*                    returned.					 
*    Parameters:     void									
*    Return Value:   unsigned char
***********************************************************************/

unsigned char SlaveReadI2C(void)
{
     while(!I2CSTATbits.RBF);
     I2CSTATbits.I2COV = 0;
     return(I2CRCV);

}