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author | tmk <tmk@users.noreply.github.com> | 2014-03-24 10:45:46 +0900 |
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committer | tmk <tmk@users.noreply.github.com> | 2014-03-24 10:45:46 +0900 |
commit | 1722e04e73301ffa1a4153644230f894570005da (patch) | |
tree | e5954e892ed0092f3dca2945fb7443137043de68 /keyboard/lightsaber/backlight.c | |
parent | 7474e14d068210242b9cb59b21afce25f66e2a6e (diff) | |
parent | 1482fe92a0c5af6f0a84396a3f9fee73d59bb48f (diff) |
Merge pull request #102 from xauser/master
Support for Lightsaber keyboard
Diffstat (limited to 'keyboard/lightsaber/backlight.c')
-rw-r--r-- | keyboard/lightsaber/backlight.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/keyboard/lightsaber/backlight.c b/keyboard/lightsaber/backlight.c new file mode 100644 index 0000000000..b28200807c --- /dev/null +++ b/keyboard/lightsaber/backlight.c @@ -0,0 +1,56 @@ +/* +Copyright 2014 Ralf Schmitt <ralf@bunkertor.net> + +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/>. +*/ + +#include <avr/io.h> +#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); + } +} |