bface refactor (#6333)

* remove custom matrix support

* remove custom i2c and led driver

* minor cleanups

* update readme

1 files changed, 0 insertions, 94 deletions

diff --git a/keyboards/winkeyless/bface/backlight_ps2avrGB.c b/keyboards/winkeyless/bface/backlight_ps2avrGB.c
deleted file mode 100644
index c0f642840..000000000
--- a/keyboards/winkeyless/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