From 04885a3b447c82437d919d467328800eb00af629 Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Fri, 21 Aug 2015 10:46:53 -0400 Subject: preonic --- keyboard/preonic/matrix.c | 234 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 234 insertions(+) create mode 100644 keyboard/preonic/matrix.c (limited to 'keyboard/preonic/matrix.c') diff --git a/keyboard/preonic/matrix.c b/keyboard/preonic/matrix.c new file mode 100644 index 0000000000..98ef55ed68 --- /dev/null +++ b/keyboard/preonic/matrix.c @@ -0,0 +1,234 @@ +/* +Copyright 2012 Jun Wako +Generated by planckkeyboard.com (2014 Jack Humbert) + +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 . +*/ + +/* + * scan matrix + */ +#include +#include +#include +#include +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" + +#ifndef DEBOUNCE +# define DEBOUNCE 10 +#endif +static uint8_t debouncing = DEBOUNCE; + +/* matrix state(1:on, 0:off) */ +static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; + +static matrix_row_t read_cols(void); +static void init_cols(void); +static void unselect_rows(void); +static void select_row(uint8_t row); + +inline +uint8_t matrix_rows(void) +{ + return MATRIX_ROWS; +} + +inline +uint8_t matrix_cols(void) +{ + return MATRIX_COLS; +} + +void matrix_init(void) +{ + // To use PORTF disable JTAG with writing JTD bit twice within four cycles. + MCUCR |= (1<