Replaced tabs with spaces to match TMK convention.
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b80b6b369c
commit
65680819df
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@ -5,42 +5,42 @@
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void backlight_init_ports()
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void backlight_init_ports()
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{
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{
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// Setup PB7 as output and output low.
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// Setup PB7 as output and output low.
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DDRB |= (1<<7);
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DDRB |= (1<<7);
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PORTB &= ~(1<<7);
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PORTB &= ~(1<<7);
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// Use full 16-bit resolution.
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// Use full 16-bit resolution.
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ICR1 = 0xFFFF;
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ICR1 = 0xFFFF;
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// I could write a wall of text here to explain... but TL;DW
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// I could write a wall of text here to explain... but TL;DW
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// Go read the ATmega32u4 datasheet.
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// Go read the ATmega32u4 datasheet.
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// And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
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// And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
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// Pin PB7 = OCR1C (Timer 1, Channel C)
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// Pin PB7 = OCR1C (Timer 1, Channel C)
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// Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
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// Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
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// (i.e. start high, go low when counter matches.)
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// (i.e. start high, go low when counter matches.)
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// WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
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// WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
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// Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
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// Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
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TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
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TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
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TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
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TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
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// Default to zero duty cycle.
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// Default to zero duty cycle.
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OCR1C = 0x0000;
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OCR1C = 0x0000;
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}
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}
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void backlight_set(uint8_t level)
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void backlight_set(uint8_t level)
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{
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{
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if ( level == 0 )
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if ( level == 0 )
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{
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{
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// Turn off PWM control on PB7, revert to output low.
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// Turn off PWM control on PB7, revert to output low.
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TCCR1A &= ~(_BV(COM1C1));
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TCCR1A &= ~(_BV(COM1C1));
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}
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}
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else
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else
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{
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{
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// Turn on PWM control of PB7
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// Turn on PWM control of PB7
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TCCR1A |= _BV(COM1C1);
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TCCR1A |= _BV(COM1C1);
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OCR1C = level << 12 | 0x0FFF;
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OCR1C = level << 12 | 0x0FFF;
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}
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}
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}
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}
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@ -49,8 +49,8 @@ const uint16_t PROGMEM fn_actions[] = {
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[26] = ACTION_MODS_KEY(MOD_LSFT | MOD_RSFT, KC_PAUSE),
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[26] = ACTION_MODS_KEY(MOD_LSFT | MOD_RSFT, KC_PAUSE),
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[27] = ACTION_BACKLIGHT_TOGGLE(),
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[27] = ACTION_BACKLIGHT_TOGGLE(),
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[28] = ACTION_BACKLIGHT_INCREASE(),
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[28] = ACTION_BACKLIGHT_INCREASE(),
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[29] = ACTION_BACKLIGHT_DECREASE()
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[29] = ACTION_BACKLIGHT_DECREASE()
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};
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};
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@ -22,8 +22,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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void led_set(uint8_t usb_led)
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void led_set(uint8_t usb_led)
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{
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{
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// Using PE6 Caps Lock LED
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// Using PE6 Caps Lock LED
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if (usb_led & (1<<USB_LED_CAPS_LOCK))
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if (usb_led & (1<<USB_LED_CAPS_LOCK))
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{
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{
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// Output high.
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// Output high.
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DDRE |= (1<<6);
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DDRE |= (1<<6);
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@ -62,8 +62,8 @@ void matrix_init(void)
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MCUCR |= (1<<JTD);
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MCUCR |= (1<<JTD);
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MCUCR |= (1<<JTD);
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MCUCR |= (1<<JTD);
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// TODO fix this dependency
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// TODO fix this dependency
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backlight_init_ports();
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backlight_init_ports();
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// initialize row and col
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// initialize row and col
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unselect_rows();
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unselect_rows();
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