From a70acecb1c1777acd719747e1b6b0829c245149c Mon Sep 17 00:00:00 2001 From: Ralf Schmitt Date: Tue, 17 Jun 2014 15:41:20 +0200 Subject: Added support for bpiphany's Kitten Paw controller (Costar Majestouch) --- keyboard/kitten_paw/matrix.c | 239 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 239 insertions(+) create mode 100644 keyboard/kitten_paw/matrix.c (limited to 'keyboard/kitten_paw/matrix.c') diff --git a/keyboard/kitten_paw/matrix.c b/keyboard/kitten_paw/matrix.c new file mode 100644 index 000000000..08d64c5f4 --- /dev/null +++ b/keyboard/kitten_paw/matrix.c @@ -0,0 +1,239 @@ +/* +Copyright 2014 Ralf Schmitt + +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 . +*/ + +#include +#include +#include +#include +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" + +#ifndef DEBOUNCE +# define DEBOUNCE 0 +#endif +static uint8_t debouncing = DEBOUNCE; + +static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; + +static uint8_t read_rows(void); +static void init_rows(void); +static void unselect_cols(void); +static void select_col(uint8_t col); + +inline uint8_t matrix_rows(void) +{ + return MATRIX_ROWS; +} + +inline uint8_t matrix_cols(void) +{ + return MATRIX_COLS; +} + +void matrix_init(void) +{ + unselect_cols(); + init_rows(); + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + matrix_debouncing[i] = 0; + } +} + +uint8_t matrix_scan(void) +{ + for (uint8_t col = 0; col < MATRIX_COLS; col++) { + select_col(col); + _delay_us(3); + uint8_t rows = read_rows(); + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { + bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<