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Some implementations of led matrix

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This commit is contained in:
Kai Ryu 2014-01-13 22:04:24 +09:00
parent 6c71b19c77
commit be407eb8d3
3 changed files with 52 additions and 0 deletions
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29
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);
}

6
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
keyboard/gh60/led_matrix.c Normal file
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@ -0,0 +1,17 @@
/*
Copyright 2013,2014 Kai Ryu <kai1103@gmail.com>
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/>.
*/