From af19f56ec98d27ab939b024effefcbebbab8f125 Mon Sep 17 00:00:00 2001 From: Ralf Schmitt Date: Sat, 23 Aug 2014 17:16:16 +0200 Subject: Support for Lightpad keypad --- keyboard/lightpad/backlight.c | 129 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 keyboard/lightpad/backlight.c (limited to 'keyboard/lightpad/backlight.c') diff --git a/keyboard/lightpad/backlight.c b/keyboard/lightpad/backlight.c new file mode 100644 index 000000000..693c566fc --- /dev/null +++ b/keyboard/lightpad/backlight.c @@ -0,0 +1,129 @@ +/* +Copyright 2014 Ralf Schmitt + +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 . +*/ + +#include +#include "backlight.h" + +/* Backlight pin configuration + * + * FN1 PB0 (low) + * FN2 PB5 (low) + * FN3 PB4 (low) + * FN4 PD7 (low) + * REAR PD6 (high) + * NUMPAD PB2 (high) + * NUMLOCK PB1 (low) + */ +void backlight_init_ports() { + DDRB |= (1<<0) | (1<<1) | (1<<2) | (1<<4) | (1<<5); + DDRD |= (1<<6) | (1<<7); + + backlight_disable_numlock(); +} + +void backlight_set(uint8_t level) { + (level & BACKLIGHT_FN1) ? backlight_enable_fn1() : backlight_disable_fn1(); + (level & BACKLIGHT_FN2) ? backlight_enable_fn2() : backlight_disable_fn2(); + (level & BACKLIGHT_FN3) ? backlight_enable_fn3() : backlight_disable_fn3(); + (level & BACKLIGHT_FN4) ? backlight_enable_fn4() : backlight_disable_fn4(); + (level & BACKLIGHT_NUMPAD) ? backlight_enable_numpad() : backlight_disable_numpad(); + (level & BACKLIGHT_REAR) ? backlight_enable_rear() : backlight_disable_rear(); +} + +void backlight_enable_fn1() { + PORTB &= ~(1<<0); +} + +void backlight_disable_fn1() { + PORTB |= (1<<0); +} + +void backlight_invert_fn1() { + PORTB ^= (1<<0); +} + +void backlight_enable_fn2() { + PORTB &= ~(1<<5); +} + +void backlight_disable_fn2() { + PORTB |= (1<<5); +} + +void backlight_invert_fn2() { + PORTB ^= (1<<5); +} + +void backlight_enable_fn3() { + PORTB &= ~(1<<4); +} + +void backlight_disable_fn3() { + PORTB |= (1<<4); +} + +void backlight_invert_fn3() { + PORTB ^= (1<<4); +} + +void backlight_enable_fn4() { + PORTD &= ~(1<<7); +} + +void backlight_disable_fn4() { + PORTD |= (1<<7); +} + +void backlight_invert_fn4() { + PORTD ^= (1<<7); +} + +void backlight_enable_numpad() { + PORTB |= (1<<2); +} + +void backlight_disable_numpad() { + PORTB &= ~(1<<2); +} + +void backlight_invert_numpad() { + PORTB ^= (1<<2); +} + +void backlight_enable_numlock() { + PORTB &= ~(1<<1); +} + +void backlight_disable_numlock() { + PORTB |= (1<<1); +} + +void backlight_invert_numlock() { + PORTB ^= (1<<1); +} + +void backlight_enable_rear() { + PORTD |= (1<<6); +} + +void backlight_disable_rear() { + PORTD &= ~(1<<6); +} + +void backlight_invert_rear() { + PORTD ^= (1<<6); +} -- cgit v1.2.3-70-g09d2