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main.c
173 lines (148 loc) · 2.79 KB
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main.c
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#include <avr/interrupt.h>
#include "hexbright.h"
#ifdef DEBUG
#include <stdio.h>
#endif
#define OVERTEMP 340
EMPTY_INTERRUPT(TIMER0_COMPA_vect);
typedef enum mode_t mode_t;
enum mode_t {
MODE_OFF = 0,
MODE_CYCLE_LEVEL1,
MODE_CYCLE_LEVEL2,
MODE_CYCLE_LEVEL3,
MODE_CYCLE_LEVEL4,
MODE_CYCLE_LEVEL5,
MODE_CYCLE_END,
MODE_PERSIST_BLINKY,
MODE_PERSIST_END,
MODE_HOLD_BLINKY,
MODE_HOLD_END,
};
int main(void)
{
uint8_t button;
mode_t mode = MODE_OFF;
mode_t next_mode = MODE_OFF;
uint8_t up_time = 0;
uint8_t down_time = 0;
uint8_t time = 0;
init_hardware();
leds[GREEN_LED].state = LED_OFF;
leds[GREEN_LED].on_time = 31;
leds[GREEN_LED].off_time = 31;
leds[RED_LED].state = LED_HIZ;
while (1) {
button = poll_button();
if (button & 2) {
if (down_time < 255) {
down_time++;
}
up_time = 0;
} else {
if (up_time < 255) {
up_time++;
}
down_time = 0;
}
if (time < 255) {
time++;
}
// Button pressed
if (button == 1) {
if (mode != MODE_OFF && up_time >= 62) {
next_mode = MODE_OFF;
} else if (mode < MODE_CYCLE_END) {
next_mode = mode + 1;
if (next_mode == MODE_CYCLE_END) {
next_mode = MODE_OFF;
}
} else {
next_mode = MODE_OFF;
}
}
// Button held
if (down_time >= 37) {
switch (mode) {
case MODE_CYCLE_LEVEL1:
next_mode = MODE_HOLD_BLINKY;
break;
case MODE_CYCLE_LEVEL2:
next_mode = MODE_PERSIST_BLINKY;
break;
default:
break;
}
}
// Button released
if (button == 2 && mode > MODE_PERSIST_END) {
next_mode = MODE_OFF;
}
if (poll_temp() >= OVERTEMP) {
if (mode > MODE_CYCLE_LEVEL2) {
next_mode = MODE_CYCLE_LEVEL2;
} else if (next_mode > MODE_CYCLE_LEVEL2) {
next_mode = MODE_OFF;
}
}
if (next_mode != mode) {
mode = next_mode;
set_power(mode);
switch (mode) {
case MODE_OFF:
set_light(0);
break;
case MODE_CYCLE_LEVEL1:
set_light(50);
break;
case MODE_CYCLE_LEVEL2:
set_light(250);
break;
case MODE_CYCLE_LEVEL3:
set_light(1000);
break;
case MODE_CYCLE_LEVEL4:
set_light(1500);
break;
case MODE_CYCLE_LEVEL5:
set_light(2000);
break;
case MODE_PERSIST_BLINKY:
case MODE_HOLD_BLINKY:
time = 0;
set_light(2000);
break;
default:
mode = MODE_OFF;
break;
}
}
switch (mode) {
case MODE_PERSIST_BLINKY:
case MODE_HOLD_BLINKY:
if (time >= 24) {
set_light(2000);
time = 0;
} else if (time >= 8) {
set_light(0);
}
break;
default:
break;
}
switch (poll_charger()) {
case CHARGE_SHUTDOWN:
leds[GREEN_LED].state = LED_OFF;
break;
case CHARGE_CHARGING:
leds[GREEN_LED].state |= LED_FLASH;
break;
case CHARGE_FINISHED:
leds[GREEN_LED].state = LED_ON;
break;
}
update_leds();
sleep();
}
return 0;
}