From 526d988a0caadc1a48bea862f605c9cee90c3dd3 Mon Sep 17 00:00:00 2001 From: Ralf Schmitt Date: Wed, 19 Mar 2014 23:58:08 +0100 Subject: Added basic led+backlight support --- keyboard/lightsaber/backlight.c | 56 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 keyboard/lightsaber/backlight.c (limited to 'keyboard/lightsaber/backlight.c') diff --git a/keyboard/lightsaber/backlight.c b/keyboard/lightsaber/backlight.c new file mode 100644 index 000000000..b28200807 --- /dev/null +++ b/keyboard/lightsaber/backlight.c @@ -0,0 +1,56 @@ +/* +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 + * + * Alphas PB1 (high) + * Numeric PB2 (high) + * Mod+Num PB3 (high) + * Backside PD6 (high) + * TopRight PD7 (low) + * F-Row PE6 (high) + * + */ +void backlight_set(uint8_t level) +{ + // Set as output. + DDRB |= (1<<1) | (1<<2) | (1<<3); + DDRD |= (1<<6) | (1<<7); + DDRE |= (1<<6); + + if(level & (1<<0)) + { + PORTB &= ~(1<<1); + PORTB &= ~(1<<2); + PORTB &= ~(1<<3); + PORTD &= ~(1<<6); + PORTD |= (1<<7); + PORTE &= ~(1<<6); + } + else + { + PORTB |= (1<<1); + PORTB |= (1<<2); + PORTB |= (1<<3); + PORTD |= (1<<6); + PORTD &= ~(1<<7); + PORTE |= (1<<6); + } +} -- cgit v1.2.3