Kai Ryu
10 years ago
3 changed files with 52 additions and 0 deletions
+ 29
- 0
common/led_matrix.c
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| @@ -18,3 +18,32 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. | |||
| #include <avr/io.h> | |||
| #include <avr/interrupt.h> | |||
| #include "led_matrix.h" | |||
| #define LED_MATRIX_TIMER_TOP F_CPU/(256*64)/LED_MATRIX_ROWS | |||
| void led_matrix_init(void) | |||
| { | |||
| /* Timer1 setup */ | |||
| /* CTC mode */ | |||
| TCCR1B |= (1<<WGM12); | |||
| /* Clock selelct: clk/1 */ | |||
| TCCR1B |= (1<<CS10); | |||
| /* Set TOP value */ | |||
| uint8_t sreg = SREG; | |||
| cli(); | |||
| OCR1AH = (LED_MATRIX_TIMER_TOP >> 8) & 0xFF; | |||
| OCR1AL = LED_MATRIX_TIMER_TOP & 0xFF; | |||
| SREG = sreg; | |||
| } | |||
| void led_matrix_enable(void) | |||
| { | |||
| /* Enable Compare Match Interrupt */ | |||
| TIMSK1 |= _BV(OCIE1A); | |||
| } | |||
| void led_matrix_disable(void) | |||
| { | |||
| /* Disable Compare Match Interrupt */ | |||
| TIMSK1 &= ~_BV(OCIE1A); | |||
| } | |||
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common/led_matrix.h
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| @@ -31,11 +31,17 @@ typedef struct { | |||
| uint8_t value; | |||
| } led_matrix_element_t; | |||
| #ifdef LED_MATRIX_ENABLE | |||
| uint8_t led_matrix_rows(void); | |||
| uint8_t led_matrix_cols(void); | |||
| void led_matrix_init(void); | |||
| void led_matrix_enable(void); | |||
| void led_matrix_disable(void); | |||
| uint8_t led_matrix_scan(void); | |||
| #else | |||
| #define led_matrix_rows() | |||
| #define led_matrix_cols() | |||
| #define led_matrix_init() | |||
| #endif | |||
| #endif | |||
+ 17
- 0
keyboard/gh60/led_matrix.c
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| @@ -0,0 +1,17 @@ | |||
| /* | |||
| Copyright 2013,2014 Kai Ryu <[email protected]> | |||
| 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/>. | |||
| */ | |||