volatile void Button::poll()
{
uint8_t i;
char p;
for(i = 0; i < NUM_KEYS; i++)
{
p = pgm_read_byte(&button_pins[i]);
if(i < 2)
p = (getBit(p, FB_PIN) == LOW);
else
p = (getBit(p, B_PIN) == LOW);
if(p) // key is pressed
{
if(button_count[i] < DEBOUNCE_REPEAT_DELAY)
{
button_count[i]++;
if(button_count[i] > DEBOUNCE_ON)
{
if(button_status[i] == 0)
{
button_flag[i] = 1;
button_status[i] = 1; //button debounced to 'pressed' status
clock.awake(); // keep from sleeping since a button was pressed
}
}
}
else
{
if(i + 1 == UP_KEY || i + 1 == DOWN_KEY || (verticalRepeat && (i + 1 == LEFT_KEY || i + 1 == RIGHT_KEY)))
{
button_flag[i] = 1;
button_status[i] = 1; //button debounced to 'pressed' status
button_count[i] = DEBOUNCE_REPEAT_DELAY - DEBOUNCE_REPEAT_SPEED;
}
else if(i + 1 == FL_KEY)
{
off_count++;
if(off_count > POWER_OFF_TIME)
{
menu.message(TEXT("Power Off"));
menu.task();
cli();
while(getBit(p, FB_PIN) == LOW) wdt_reset();
hardware_off();
}
}
}
}
else // not pressed
{
if(i + 1 == FL_KEY) off_count = 0;
if(button_count[i] > 0)
{
//button_flag[i] = 0;
if(button_count[i] > DEBOUNCE_MAX) button_count[i] = DEBOUNCE_MAX;
button_count[i]--;
if(button_count[i] < DEBOUNCE_OFF)
{
button_status[i] = 0; //button debounced to 'released' status
}
}
}
}
}
volatile char batteryStatus(char key, char first)
{
// uint16_t batt_high = 645;
// uint16_t batt_low = 540;
static uint8_t charging;
char stat = battery_status();
if(first)
{
charging = (stat > 0);
}
// unsigned int batt_level = battery_read_raw();
#define BATT_LINES 36
// uint8_t lines = ((batt_level - batt_low) * BATT_LINES) / (batt_high - batt_low);
uint8_t lines = (uint8_t)((uint16_t)battery_percent * BATT_LINES / 100);
if(lines > BATT_LINES - 1 && stat == 1)
lines = BATT_LINES - 1;
if(lines > BATT_LINES || stat == 2)
lines = BATT_LINES;
lcd.cls();
char* text;
text = getChargingStatus();
char l = lcd.measureStringTiny(text) / 2;
if(battery_status())
lcd.writeStringTiny(41 - l, 31, text);
// Draw Battery Outline //
lcd.drawLine(20, 15, 60, 15);
lcd.drawLine(20, 16, 20, 27);
lcd.drawLine(21, 27, 60, 27);
lcd.drawLine(60, 16, 60, 19);
lcd.drawLine(60, 23, 60, 26);
lcd.drawLine(61, 19, 61, 23);
// Draw Battery Charge //
for(uint8_t i = 0; i <= lines; i++)
{
lcd.drawLine(22 + i, 17, 22 + i, 25);
}
menu.setTitle(TEXT("Battery Status"));
menu.setBar(TEXT("RETURN"), BLANK_STR);
lcd.update();
if(stat == 0 && charging)
{
clock.awake();
return FN_CANCEL; // unplugged
}
if(key == FL_KEY)
return FN_CANCEL;
return FN_CONTINUE;
}