diff options
Diffstat (limited to 'keyboards/bface/backlight_ps2avrGB.c')
| -rw-r--r-- | keyboards/bface/backlight_ps2avrGB.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/keyboards/bface/backlight_ps2avrGB.c b/keyboards/bface/backlight_ps2avrGB.c deleted file mode 100644 index c0f6428407..0000000000 --- a/keyboards/bface/backlight_ps2avrGB.c +++ /dev/null @@ -1,94 +0,0 @@ -/* Copyright 2017 Sebastian Kaim - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifdef BACKLIGHT_ENABLE - -#include "backlight_ps2avrGB.h" -#define sbi(reg,bit) reg |= (_BV(bit)) -#define cbi(reg,bit) reg &= (~_BV(bit)) -#define PWM10 WGM10 -#define PWM11 WGM11 -#define COM1x1 COM1B1 -#define OCR1x OCR1B - -void backlight_init_ports(void) -{ -#if BACKLIGHT_ON_STATE == 0 - backlight_off(); -#else - backlight_on(); -#endif - - // setup pwm - // this bitmagic is sourced from the original firmware - /*TCCR1B = ((TCCR1B & ~0x07) | 0x03); - TCNT1H = 0; - TCNT1L = 0; - sbi(TIMSK, TOIE1); - OCR1BH = 0; - OCR1BL = 0; - cbi(TCCR1A,PWM11); - sbi(TCCR1A,PWM10); - sbi(TCCR1A,COM1B1); - cbi(TCCR1A,COM1B0);*/ - ICR1 = 0xFFFF; - - TCCR1A = _BV(COM1x1) | _BV(WGM11); // = 0b00001010; - TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001; - - backlight_init(); -} - -void backlight_set(uint8_t level) -{ - if( level == 0 ) { - backlight_off(); - } - else { - backlight_on(); - /*uint8_t pwm = get_pwm_for_brightness(level); - set_backlight_pwm(pwm); - TCCR1A |= _BV(COM1x1); - OCR1x = (level >= 2) ? 0xFFFF : 0x00FF;*/ - } -} - -#define PWM_MAX 0xFF -uint8_t get_pwm_for_brightness(uint8_t level) -{ - // we need to cast up here to allow multiplication with 0xFF. We could also use floats, but this is probably a lot faster. - uint16_t brightness = (uint16_t)level * (uint16_t)PWM_MAX / (uint16_t)BACKLIGHT_LEVELS; - return (uint8_t)brightness; -} - -void backlight_on(void) -{ - //_SFR_IO8(0x12) |= _BV(0x4); - LED_PIN |= BACKLIGHT_PORT_NUM; -} - -void backlight_off(void) -{ - //_SFR_IO8(0x12) &= ~_BV(0x4); - LED_PIN &= ~BACKLIGHT_PORT_NUM; -} - -void set_backlight_pwm(uint8_t level) { - // this does not work (yet) - //OCR1B = level; -} - -#endif // BACKLIGHT_ENABLE |