From aaeaf27e116e3386301963e37d61341a65256543 Mon Sep 17 00:00:00 2001 From: Jason Date: Sat, 9 Jun 2018 13:25:22 -0700 Subject: Adding Singa Repo w/ Config Support (#3155) * Adding Singa Repo w/ Config Support * Used Tilde instead of GRV * PR Fixes * oops, forgot to change the keymaps * splitbs -> split_bs --- keyboards/singa/matrix.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 keyboards/singa/matrix.c (limited to 'keyboards/singa/matrix.c') diff --git a/keyboards/singa/matrix.c b/keyboards/singa/matrix.c new file mode 100644 index 000000000..245813dfd --- /dev/null +++ b/keyboards/singa/matrix.c @@ -0,0 +1,112 @@ +/* +Copyright 2017 Luiz Ribeiro + +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 "matrix.h" + +#ifndef DEBOUNCE +# define DEBOUNCE 5 +#endif + +static uint8_t debouncing = DEBOUNCE; + +static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; + +void matrix_set_row_status(uint8_t row); +uint8_t bit_reverse(uint8_t x); + +void matrix_init(void) { + // all outputs for rows high + DDRB = 0xFF; + PORTB = 0xFF; + // all inputs for columns + DDRA = 0x00; + DDRC &= ~(0x111111<<2); + DDRD &= ~(1< 7 + (~PINA) & 0xFF + ) | ( + // cols 8..13, PORTC 7 -> 0 + bit_reverse((~PINC) & 0xFF) << 8 + ) | ( + // col 14, PORTD 7 + ((~PIND) & (1 << PIND7)) << 7 + ); + + if (matrix_debouncing[row] != cols) { + matrix_debouncing[row] = cols; + debouncing = DEBOUNCE; + } + } + + if (debouncing) { + if (--debouncing) { + _delay_ms(1); + } else { + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + matrix[i] = matrix_debouncing[i]; + } + } + } + + matrix_scan_quantum(); + + return 1; +} + +// declarations +void matrix_set_row_status(uint8_t row) { + DDRB = (1 << row); + PORTB = ~(1 << row); +} + +uint8_t bit_reverse(uint8_t x) { + x = ((x >> 1) & 0x55) | ((x << 1) & 0xaa); + x = ((x >> 2) & 0x33) | ((x << 2) & 0xcc); + x = ((x >> 4) & 0x0f) | ((x << 4) & 0xf0); + return x; +} + +inline matrix_row_t matrix_get_row(uint8_t row) { + return matrix[row]; +} + +void matrix_print(void) { +} -- cgit v1.2.3