#include "common.h"
-#include <util/delay.h>
#include <avr/interrupt.h>
#include <stdlib.h>
#include <stdio.h>
#include "timer.h"
#include "cli.h"
#include "env.h"
-
-#define udelay(n) _delay_us(n)
+#include "z180-serv.h"
+#include "spi.h"
static uint8_t mcusr;
#endif
+ISR(INT5_vect)
+{
+ Stat |= S_MSG_PENDING;
+}
+
+ISR(INT6_vect)
+{
+ Stat |= S_CON_PENDING;
+}
+
static
void setup_avr(void)
{
CLKPR = 0;
/* Timer */
- PRR0 &= ~_BV(PRTIM2);
- OCR2A = F_CPU / 256 / 1000 - 1; /* Timer2: 1000Hz interval (OC2A) */
- TCCR2A = (0b10 << WGM20); /* CTC Mode */
- TCCR2B = (0b110 << CS20); /* Prescaler 256 */
- TIMSK2 = _BV(OCIE2A); /* Enable TC2.oca interrupt */
+ PRR1 &= ~_BV(PRTIM3);
+ OCR3A = F_CPU / 1000 - 1; /* Timer3: 1000Hz interval (OC3A) */
+ 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))) |
+ (0b10 << ISC50) | (0b10 << ISC60);
+ /* Reset pending ints */
+ EIFR |= _BV(INTF5) | _BV(INTF6);
+ /* Enable INT5, and INT6 */
+ EIMSK |= _BV(INT5) | _BV(INT6);
}
static
*/
if (bootdelay >= 0) {
if (tstc()) { /* we got a key press */
- (void) my_getchar(); /* consume input */
+ (void) my_getchar(1); /* consume input */
my_puts_P(PSTR("\b\b\b 0"));
abort = 1; /* don't auto boot */
}
char *s;
int bootdelay;
- bootdelay = (int) getenv_ulong(PSTR("bootdelay"), 10, CONFIG_BOOTDELAY);
+ bootdelay = (int) getenv_ulong(PSTR(ENV_BOOTDELAY), 10, CONFIG_BOOTDELAY);
debug("### main_loop entered: bootdelay=%d\n\n", bootdelay);
_delay_ms(20);
- s = getenv(PSTR("bootcmd"));
+ s = getenv(PSTR(ENV_BOOTCMD));
stored_bootdelay = bootdelay;
return s;
}
int main(void)
{
-
setup_avr();
z80_setup_bus();
if (reset_reason_is_power_on())
_delay_ms(CONFIG_PWRON_DELAY);
- serial_setup(getenv_ulong(PSTR("baudrate"), 10, CONFIG_BAUDRATE));
+ serial_setup(getenv_ulong(PSTR(ENV_BAUDRATE), 10, CONFIG_BAUDRATE));
sei();
#if DEBUG
i2c_init(CONFIG_SYS_I2C_CLOCK);
#endif
- printf_P(PSTR("\n(ATMEGA1281+HD64180)_stamp Tester\n"));
+ printf_P(PSTR("\nATMEGA1281+Z8S180 Stamp Monitor\n\n"));
+ setup_z180_serv();
main_loop();
}