ben-wpan/atusb/fw2/board.c

#include <stdint.h>

#include <avr/io.h>

#define F_CPU   8000000UL
#include <util/delay.h>

#include "board.h"


void reset_rf(void)
{
	/* AT86RF231 data sheet, 12.4.13, reset pulse width: 625 ns (min) */

	CLR(nRST_RF);
	_delay_us(1);
	SET(nRST_RF);

	/* 12.4.14: SPI access latency after reset: 625 ns (min) */

	_delay_us(1);
}


uint8_t read_irq(void)
{
	return PIN(IRQ_RF);
}