uint16_t ioMasterSPI1(uint16_t u16_c) {
checkRxErrorSPI1();
#if defined(_SRXMPT) && defined(_SPIBEN)
//enhanced SPI module, need to handle possibility of enhanced SPI mode
if (!SPI1CON2bits.SPIBEN) {//check enhanced buffer mode bit
//legacy mode
_SPI1IF = 0; //clear interrupt flag since we are about to write new value
SPI1BUF = u16_c;
while (!_SPI1IF) { //wait for operation to complete
doHeartbeat();
}
} else {
//enhanced buffer mode
SPI1BUF = u16_c;
while (SPI1STATbits.SRXMPT) { //this flag is zero when RX buffer has data
doHeartbeat();
}
}
#else
//legacy mode
_SPI1IF = 0; //clear interrupt flag since we are about to write new value
SPI1BUF = u16_c;
while (!_SPI1IF) { //wait for operation to complete
doHeartbeat();
}
#endif
return(SPI1BUF);
}
uint16 ioMasterSPI1(uint16 u16_c) {
checkRxErrorSPI1();
_SPI1IF = 0; //clear interrupt flag since we are about to write new value
SPI1BUF = u16_c;
while (!_SPI1IF) { //wait for operation to complete
doHeartbeat();
};
return(SPI1BUF);
}
