euint8 if_spiSend(hwInterface *iface, euint8 outgoing)
{
euint8 incoming;
#if ( HW_ENDPOINT_LPC2000_SPINUM == 0 )
SELECT_CARD();
S0SPDR = outgoing;
while( !(S0SPSR & (1<<SPIF)) ) ;
incoming = S0SPDR;
UNSELECT_CARD();
#endif
#if ( HW_ENDPOINT_LPC2000_SPINUM == 1 )
// SELECT_CARD(); // done by hardware
while( !(SSPSR & (1<<TNF)) ) ;
SSPDR = outgoing;
while( !(SSPSR & (1<<RNE)) ) ;
incoming = SSPDR;
// UNSELECT_CARD(); // done by hardware
#endif
return(incoming);
}
uint8_t if_spiSend(hwInterface * iface, uint8_t outgoing)
{
euint8 incoming;
SELECT_CARD();
LPC_SPI->SPDR = outgoing;
while (!(LPC_SPI->SPSR & (1 << SPIF)));
incoming = LPC_SPI->SPDR;
UNSELECT_CARD();
return incoming;
}