From da5cb5fd6f91c2f7aebbcebbf211252c51d9b4a5 Mon Sep 17 00:00:00 2001 From: peepeetee <43021794+peepeetee@users.noreply.github.com> Date: Tue, 1 Feb 2022 12:44:28 +0800 Subject: [Keyboard] move woodkeys.click keyboards to /woodkeys (#16113) --- keyboards/woodkeys/meira/matrix.c | 270 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 270 insertions(+) create mode 100644 keyboards/woodkeys/meira/matrix.c (limited to 'keyboards/woodkeys/meira/matrix.c') diff --git a/keyboards/woodkeys/meira/matrix.c b/keyboards/woodkeys/meira/matrix.c new file mode 100644 index 0000000000..8e8e9485b4 --- /dev/null +++ b/keyboards/woodkeys/meira/matrix.c @@ -0,0 +1,270 @@ +/* +Copyright 2012 Jun Wako +Copyright 2017 Cole Markham + +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 +#if defined(__AVR__) +#include +#endif +#include "meira.h" +#include "wait.h" +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" +#include "config.h" +#include "timer.h" + +#ifndef DEBOUNCE +# define DEBOUNCE 5 +#endif + +#if (DEBOUNCE > 0) + static uint16_t debouncing_time; + static bool debouncing = false; +#endif + +#if (MATRIX_COLS <= 8) +# define print_matrix_header() print("\nr/c 01234567\n") +# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop(matrix[i]) +# define ROW_SHIFTER ((uint8_t)1) +#elif (MATRIX_COLS <= 16) +# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n") +# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop16(matrix[i]) +# define ROW_SHIFTER ((uint16_t)1) +#elif (MATRIX_COLS <= 32) +# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n") +# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop32(matrix[i]) +# define ROW_SHIFTER ((uint32_t)1) +#endif + +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; + +static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; +static const uint8_t col_pins[4] = MATRIX_COL_PINS_SCANNED; +//static const uint8_t lrow_pins[MATRIX_ROWS] = LED_ROW_PINS; +//static const uint8_t lcol_pins[4] = LED_COL_PINS; + +/* matrix state(1:on, 0:off) */ +static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t matrix_debouncing[MATRIX_ROWS]; +static void init_rows(void); +//static void init_lcols(void); +static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col); +static void unselect_cols(void); +static void select_col(uint8_t col); + + +__attribute__ ((weak)) +void matrix_init_kb(void) { + matrix_init_user(); +} + +__attribute__ ((weak)) +void matrix_scan_kb(void) { + matrix_scan_user(); +} + +__attribute__ ((weak)) +void matrix_init_user(void) { +} + +__attribute__ ((weak)) +void matrix_scan_user(void) { +} + +inline +uint8_t matrix_rows(void) +{ + return MATRIX_ROWS; +} + +inline +uint8_t matrix_cols(void) +{ + return MATRIX_COLS; +} + +void matrix_init(void) +{ + debug_enable = true; + debug_matrix = true; + debug_mouse = true; + // initialize row and col + unselect_cols(); + init_rows(); +// init_lcols(); + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + matrix_debouncing[i] = 0; + } + + matrix_init_quantum(); + +} + +uint8_t _matrix_scan(void) +{ + // Set col, read rows + for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { +# if (DEBOUNCE > 0) + bool matrix_changed = read_rows_on_col(matrix_debouncing, current_col); + if (matrix_changed) { + debouncing = true; + debouncing_time = timer_read(); + } +# else + read_rows_on_col(matrix, current_col); +# endif + + } + +# if (DEBOUNCE > 0) + if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCE)) { + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + matrix[i] = matrix_debouncing[i]; + } + debouncing = false; + } +# endif + + return 1; +} + +uint8_t matrix_scan(void) +{ + uint8_t ret = _matrix_scan(); + matrix_scan_quantum(); + return ret; +} + +inline +bool matrix_is_on(uint8_t row, uint8_t col) +{ + return (matrix[row] & ((matrix_row_t)1<> 4) + 1) &= ~_BV(pin & 0xF); // IN + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI + } +} + + +static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) +{ + bool matrix_changed = false; + + // Select col and wait for col selection to stabilize + select_col(current_col); + wait_us(30); + + // For each row... + for(uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) + { + + // Store last value of row prior to reading + matrix_row_t last_row_value = current_matrix[row_index]; + + // Check row pin state + if ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF)) == 0) + { + // Pin LO, set col bit + current_matrix[row_index] |= (ROW_SHIFTER << current_col); + } + else + { + // Pin HI, clear col bit + current_matrix[row_index] &= ~(ROW_SHIFTER << current_col); + } + + // Determine if the matrix changed state + if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) + { + matrix_changed = true; + } + } + + // Unselect col + unselect_cols(); + + return matrix_changed; +} + +static void select_col(uint8_t col) +{ +#ifdef FLIPPED_BOARD + col = MATRIX_COLS - col - 1; +#endif + for(uint8_t x = 0; x < 4; x++) { + uint8_t pin = col_pins[x]; + _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT + if (((col >> x) & 0x1) == 1){ + _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HIGH + } else { + _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW + } + } +} + +static void unselect_cols(void) +{ + // FIXME This really needs to use the global enable on the decoder, because currently this sets the value to col1 + for(uint8_t x = 0; x < 4; x++) { + uint8_t pin = col_pins[x]; + _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT + _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW + } +} -- cgit v1.2.3