66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
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Copyright 2013,2014 Kai Ryu <kai1103@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LED_MATRIX_H
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#define LED_MATRIX_H
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#include <stdint.h>
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#include <stdbool.h>
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#if (LED_MATRIX_COLS <= 8)
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typedef uint8_t led_matrix_row_t;
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#elif (LED_MATRIX_COLS <= 16)
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typedef uint16_t led_matrix_row_t;
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#elif (LED_MATRIX_COLS <= 32)
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typedef uint32_t led_matrix_row_t;
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#else
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#error "LED_MATRIX_COLS: invalid value"
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#endif
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typedef struct {
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union {
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int8_t delta;
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struct {
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bool direction:1;
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};
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};
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uint8_t value;
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} led_matrix_element_t;
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#ifdef LED_MATRIX_ENABLE
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void led_matrix_init(void);
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void led_matrix_enable(void);
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void led_matrix_disable(void);
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void led_matrix_init_cols(void);
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led_matrix_row_t led_matrix_make_cols(uint8_t row, uint8_t pwm);
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void led_matrix_set_value(uint8_t row, uint8_t col, uint8_t value);
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void led_matrix_set_delta(uint8_t row, uint8_t col, int8_t delta);
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extern void led_matrix_write_cols(led_matrix_row_t cols);
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extern void led_matrix_unselect_rows(void);
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extern void led_matrix_select_row(uint8_t row);
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#else
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#define led_matrix_init()
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#define led_matrix_enable()
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#define led_matrix_disable()
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#define led_matrix_init_cols()
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#define led_matrix_write_cols()
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#define led_matrix_unselect_rows()
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#define led_matrix_select_row()
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#endif
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#endif
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