Fix bug of matrix scan
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@ -1,5 +1,5 @@
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/*
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Copyright 2012,2013 Jun Wako <wakojun@gmail.com>
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Copyright 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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@ -149,7 +149,7 @@ static void init_cols(void)
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*/
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static matrix_row_t read_cols(void)
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{
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return PIND & ~(1<<PD7);
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return ~PIND & ~(1<<PD7);
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}
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/* Row pin configuration
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@ -174,7 +174,7 @@ static matrix_row_t read_cols(void)
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*/
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static void unselect_rows(void)
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{
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// Output low(DDR:1, PORT:0) to unselect
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// Output high(DDR:1, PORT:1) to unselect
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DDRB |= (1<<PB0);
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PORTB |= (1<<PB0);
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}
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