/*
* Send using hardware SPI to our device
*/
void ws2803_shift_out(uint8_t * bufor)
{
for (uint8_t var = 0; var < WS2803_LED_CNT; var++)
{
SPI_send_byte( bufor[var] );
}
_delay_us(500); // default time to shift out the data - TODO:potential to be replaced with interrupt
}
u08 SPI_transfer_byte(u08 data)
{
// send the given data
SPI_send_byte(data);
// wait for transfer to complete
#ifdef SPI_USEINT
while(!SPI_transfer_complete);
#else
while(!(SPSR) & (1<<SPIF));
// *** reading of the SPSR and SPDR are crucial
// *** to the clearing of the SPIF flag
// *** in non-interrupt mode
//inp(SPDR);
// set flag
SPI_transfer_complete = 1;
#endif
// return the received data
return SPDR;
}
