#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/sleep.h>
+#include <util/delay.h>
#include "lights.h"
static uint16_t button_start[N_BUTTONS];
static unsigned char button_pressed[N_BUTTONS];
-
-static unsigned char sleep_after_release;
+static unsigned char just_waked_up;
void init_buttons()
{
- DDRB &= ~(_BV(PB6) | _BV(PB0));
- PORTB |= _BV(PB6) | _BV(PB0);
+ unsigned char i;
- sleep_after_release = 0;
- // log_byte(PORTB);
-}
+ DDRA &= ~(_BV(PA3) | _BV(PA4));
+ PORTA |= _BV(PA3) | _BV(PA4);
-static void inline long_press(unsigned char n)
-{
- sleep_after_release = 1;
- gpio_set(1, 1);
+ for (i=0; i < N_BUTTONS; i++) {
+ button_start[i] = 0;
+ button_pressed[i] = 0;
+ }
+
+ just_waked_up = 1;
+
+ // log_byte(PORTA);
}
static void do_sleep()
{
- // led_set_status(2);
- // MCUCR |= _BV(ISC00); // any edge generates IRQ
log_byte(0xb0);
log_flush();
- set_sleep_mode(SLEEP_MODE_PWR_DOWN);
- PORTA = 0;
- PORTB = 0;
- DDRA = 0;
- DDRB = 0;
- GIMSK |= _BV(INT0); // enable INT0
- sleep_enable();
- sei();
- sleep_cpu();
- sleep_disable();
- cli();
- GIMSK &= ~_BV(INT0); // disable INT0
- hw_setup();
+
+ hw_suspend();
+ gpio_before_poweroff(); // Set the status LED on again
+
+ while((PINA & _BV(PA3)) == 0)
+ ; // wait for button release
+
+ _delay_ms(100);
+
+ susp_gpio(); // disable the status LED
+
+ power_down();
+}
+
+static void inline long_press(unsigned char n)
+{
+ if (n == 0)
+ do_sleep();
}
static void inline short_press(unsigned char n)
{
- led_set_status(1);
+ if (n == 0)
+ gpio_set(2,1);
}
void timer_check_buttons()
{
- unsigned char pinb = PINB;
+ unsigned char pin = PINA;
unsigned char i;
unsigned char port_states[N_BUTTONS] = {
- pinb & _BV(PB6),
- pinb & _BV(PB0),
+ pin & _BV(PA3),
+ pin & _BV(PA4),
};
+
for (i = 0; i < N_BUTTONS; i++) {
if (!port_states[i]) { // is pressed
+ if (i == 0 && just_waked_up)
+ continue;
if (button_pressed[i] == 0) {
// begin of button press
button_pressed[i] = 1;
button_start[i] = jiffies;
#if 0
- // log_byte(0xC0);
- // log_word(jiffies);
+ log_byte(0xC0);
+ log_word(jiffies);
#endif
} else if (button_pressed[i] == 1) {
// been already pressed
}
}
} else { // is not pressed
+ if (i == 0)
+ just_waked_up = 0;
if (button_pressed[i]) { // just depressed
uint16_t duration = jiffies - button_start[i];
#if 1
button_pressed[i] = 0;
if (duration > 6 && duration < 30)
short_press(i);
- if (sleep_after_release)
- do_sleep();
}
}
}
}
-ISR(INT0_vect)
-{
- hw_setup();
- log_byte(0xbb);
- log_flush();
-}
-