#include "common.h"
-#include <util/delay.h>
#include <avr/interrupt.h>
#include <stdlib.h>
#include <stdio.h>
#include "cli.h"
#include "env.h"
#include "z180-serv.h"
-
-#define udelay(n) _delay_us(n)
+#include "spi.h"
static uint8_t mcusr;
TCCR3B = (0b01<<WGM32)|(0b001<<CS30); /* CTC Mode, Prescaler 1 */
TIMSK3 = _BV(OCIE3A); /* Enable TC2.oca interrupt */
+ /* SPI as master */
+ PRR0 &= ~_BV(PRSPI);
+ SPI_DDR = (SPI_DDR & ~_BV(SPI_MISO))
+ | _BV(SPI_MOSI) | _BV(SPI_SCK) | _BV(SPI_SS);
+ SPI_PORT = (SPI_PORT & ~(_BV(SPI_MOSI) | _BV(SPI_SCK)))
+ | _BV(SPI_SS);
+
/* INT5, INT6: falling edge */
- EICRB = (EICRB & ~((0b11 << ISC50) | (0b11 << ISC60))) |
+ EICRB = (EICRB & ~((0b11 << ISC50) | (0b11 << ISC60))) |
(0b10 << ISC50) | (0b10 << ISC60);
/* Reset pending ints */
EIFR |= _BV(INTF5) | _BV(INTF6);
int main(void)
{
-
setup_avr();
z80_setup_bus();