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base: finga:a5d88e879c5e9298b29d25f5a5795b56bf4f15ae
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finga:main
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compare: finga:05c9888a7514181d9a88d6e668d4640a9b59c3d3
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finga:main

No commits in common. "a5d88e879c5e9298b29d25f5a5795b56bf4f15ae" and "05c9888a7514181d9a88d6e668d4640a9b59c3d3" have entirely different histories.
a5d88e879c ... 05c9888a75

1 changed files with 18 additions and 50 deletions
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firmware/src/main.c
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@ -16,8 +16,8 @@
#define ENC_A (PINB & (1 << PB6))
#define ENC_B (PINB & (1 << PB7))
uint8_t EEMEM eeprom_contrast = 8;
uint8_t EEMEM eeprom_backlight = 1;
uint8_t EEMEM eeprom_contrast = 0;
uint8_t EEMEM eeprom_backlight = 0;
static const uint8_t sacred_chao[200] = { 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF0, 0xF8, 0xFC, 0xFC, 0xFE, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFE, 0xFE, 0xFC, 0xFC, 0xF8, 0xF0, 0xF0, 0xE0, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00,
0x80, 0xF0, 0xFC, 0xFE, 0xFF, 0xFF, 0x7F, 0x3F, 0x1F, 0x3F, 0x3F, 0x7F, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x1F, 0x0F, 0x0F, 0x07, 0x07, 0x07, 0x03, 0xC3, 0xE3, 0x73, 0x37, 0x17, 0x07, 0x0F, 0x1E, 0x3C, 0xF0, 0x80,
@ -137,29 +137,10 @@ void lcd_init(void) {
lcd_write(0x2F); // (5) Set Power Control: Booster, Regulator and Follower on
lcd_write(0x27); // (8) Set VLCD Resistor Ratio: Set Contrast
lcd_write(0x81); // (9) Set Electronic Volume: Set Contrast
lcd_write(value_contrast); // (9) Set Electronic Volume: Set Contrast
lcd_write(0x10); // (9) Set Electronic Volume: Set Contrast
lcd_write(0xAF); // (12) Set Display Enable: Display on
}
void lcd_update_contrast(void) {
SPI_PORT &= ~(1 << LCD_CD);
lcd_write(0x81); // (9) Set Electronic Volume: Set Contrast
lcd_write(value_contrast); // (9) Set Electronic Volume: Set Contrast
SPI_PORT |= (1 << LCD_CD);
}
void lcd_update_backlight(void) {
switch (value_backlight) {
case 0:
DDRD &= (0 << PD5);
break;
default:
DDRD |= (1 << PD5);
OCR0B = value_backlight - 1;
break;
}
}
void lcd_fill(uint8_t data) {
for (uint8_t i = 0; i < 8; i++) {
SPI_PORT &= ~(1 << LCD_CD);
@ -426,19 +407,18 @@ static void lcd_setup(void) {
lcd_write_kerning(2, contrast_selected);
lcd_write_symbol_page(&sym_colon, i, contrast_selected);
lcd_write_kerning(2, contrast_selected);
lcd_write_kerning(16, false);
lcd_write_integer_page(value_contrast, 2, i, change_contrast_selected);
lcd_write_kerning(9, false);
lcd_write_integer_page(value_contrast, 3, i, change_contrast_selected);
lcd_write_kerning(2, change_contrast_selected);
}
for (uint8_t i = 0; i < 2; i++) {
SPI_PORT &= ~(1 << LCD_CD);
lcd_write(0x00);
lcd_write(0x02);
lcd_write(0x10);
lcd_write(0xB4 + i);
SPI_PORT |= (1 << LCD_CD);
lcd_write_kerning(2, backlight_selected);
lcd_write_symbol_page(&sym_b, i, backlight_selected);
lcd_write_kerning(2, backlight_selected);
lcd_write_symbol_page(&sym_a, i, backlight_selected);
@ -537,16 +517,10 @@ static void update_setup(enum input event) {
setup_state = contrast;
break;
case change_contrast:
if (value_contrast < 63) {
value_contrast++;
lcd_update_contrast();
}
break;
case change_backlight:
if (value_backlight < 100) {
value_backlight++;
lcd_update_backlight();
}
break;
}
lcd_setup();
@ -561,16 +535,10 @@ static void update_setup(enum input event) {
setup_state = back;
break;
case change_contrast:
if (value_contrast > 0) {
value_contrast--;
lcd_update_contrast();
}
break;
case change_backlight:
if (value_backlight > 0) {
value_backlight--;
lcd_update_backlight();
}
break;
}
lcd_setup();
@ -610,13 +578,11 @@ static void update_setup(enum input event) {
case change_contrast:
setup_state = contrast;
value_contrast = eeprom_read_byte(&eeprom_contrast);
lcd_update_contrast();
lcd_setup();
break;
case change_backlight:
setup_state = backlight;
value_backlight = eeprom_read_byte(&eeprom_backlight);
lcd_update_backlight();
lcd_setup();
break;
}
@ -695,9 +661,10 @@ ISR(PCINT1_vect) {
TCNT1 = 0;
}
} else { // press
if (!(TCCR1B & (1 << CS10)))
if (!(TCCR1B & (1 << CS10))) {
TCCR1B |= (1 << CS11) | (1 << CS10); // Enable Timer/Counter1
}
}
// TODO: proper debouncing
_delay_us(70);
@ -705,7 +672,7 @@ ISR(PCINT1_vect) {
sei();
}
// Timer/Counter1 compare match A for back event
// Timer/Counter1 compare match A
ISR(TIMER1_COMPA_vect) {
cli();
@ -721,12 +688,13 @@ int main(void) {
value_contrast = eeprom_read_byte(&eeprom_contrast);
value_backlight = eeprom_read_byte(&eeprom_backlight);
// Init backlight: FastPWM: 1.25kHz
// FastPWM: 1.25kHz
// TODO: Try to get the backlit even more dim
TCCR0A |= (1 << WGM01) | (1 << WGM00) | (1 << COM0B1);
TCCR0B |= (1 << CS01) | (1 << WGM02); // prescaler = 8;
TCCR0A = (1 << WGM01) | (1 << WGM00) | (1 << COM0B1);
TCCR0B = (1 << CS01) | (1 << WGM02); // prescaler = 8;
OCR0A = 100;
lcd_update_backlight();
OCR0B = 0;
DDRD |= (1 << PD5);
// SPI setup
spi_init();