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- /*
- Copyright 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/>.
- */
-
- #ifndef SHIFT_REGISTER_H
- #define SHIFT_REGISTER_H
-
- #include <avr/io.h>
- #include <stdint.h>
-
- #define SR_PORT PORTF
- #define SR_DDR DDRF
- #define SR_CLK_BIT PF6
- #define SR_DATA_BIT PF5
- #define SR_LATCH_BIT PF4
-
- void shift_register_init(void);
- void shift_register_write_byte(uint8_t byte);
- void shift_register_write_word(uint16_t word);
- void shift_register_clk(void);
- void shift_register_data(uint8_t bit);
- void shift_register_latch(void);
-
- #endif
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