|
#include "spi.h"
|
|
|
|
void spi_init(void) {
|
|
// Set MOSI and SCK, SS/CS output, all others input
|
|
DDRB = (1<<PB3) | (1<<PB5) | (1<<PB2) | (1<<PB0);
|
|
// Enable SPI, Master, set clock rate fck/4, mode 0
|
|
SPCR = (1<<SPE) | (1<<MSTR);
|
|
|
|
// Set SS/CS
|
|
PORTB |= (1 << PB2) | (1 << PB0);
|
|
}
|