masterwritei2c1.c

Mplab C30编译器

#if defined(__PIC24F__)
#include <p24Fxxxx.h>
#endif
#include <i2c.h>

/************************************************************************************************
Function Prototype : char MasterWriteI2C1(unsigned char data_out)

Include            : i2c.h
 
Description        : This function is used to write out a single data byte to the I2C device.
 
Arguments          : data_out - A single data byte to be written to the I2C bus device.
 
Return Value       : This function returns -1 if there was a write collision else it returns a 0.
 
Remarks            : This function reads in a single byte from the I2C bus.
                     This function performs the same function as MastergetcI2C.
**************************************************************************************************/

#ifdef _I2C_V2_1


char MasterWriteI2C1(unsigned char data_out)
{
    I2C1TRN = data_out;

    if(I2C1STATbits.IWCOL)        /* If write collision occurs,return -1 */
        return -1;
    else
    {
        return 0;
    }
}



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