Establish support for Bathroom Epiphanies Tiger Lily controller
Replacement controller for Filco Majestouch 2 104 key keyboard. BE advises code will also work with the Black Petal controller - I don't have one to test with. Tests working perfectly on my Filco.
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135
keyboards/tiger_lily/matrix.c
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135
keyboards/tiger_lily/matrix.c
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/*
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Copyright 2017 Gabriel Young <gabeplaysdrums@live.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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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <util/delay.h>
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#include "print.h"
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#include "debug.h"
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#include "util.h"
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#include "matrix.h"
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#ifndef DEBOUNCING_DELAY
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# define DEBOUNCING_DELAY 5
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#endif
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static uint8_t debouncing = DEBOUNCING_DELAY;
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static matrix_row_t matrix[MATRIX_ROWS];
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static matrix_row_t matrix_debouncing[MATRIX_ROWS];
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static matrix_row_t scan_col(void) {
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return (
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(PINC&(1<<2) ? 0 : ((matrix_row_t)1<<0)) | \
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(PINB&(1<<3) ? 0 : ((matrix_row_t)1<<1)) | \
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(PINB&(1<<4) ? 0 : ((matrix_row_t)1<<2)) | \
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(PINB&(1<<2) ? 0 : ((matrix_row_t)1<<3)) | \
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(PINB&(1<<1) ? 0 : ((matrix_row_t)1<<4)) | \
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(PINC&(1<<7) ? 0 : ((matrix_row_t)1<<5)) | \
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(PINB&(1<<6) ? 0 : ((matrix_row_t)1<<6)) | \
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(PINB&(1<<5) ? 0 : ((matrix_row_t)1<<7))
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);
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}
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static void select_col(uint8_t col) {
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switch (col) {
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case 0: PORTD = (PORTD & ~0b01110111) | 0b01110110; break; \
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case 1: PORTD = (PORTD & ~0b01110111) | 0b01100001; break; \
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case 2: PORTD = (PORTD & ~0b01110111) | 0b01100101; break; \
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case 3: PORTD = (PORTD & ~0b01110111) | 0b00000011; break; \
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case 4: PORTD = (PORTD & ~0b01110111) | 0b00000111; break; \
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case 5: PORTD = (PORTD & ~0b01110111) | 0b00010011; break; \
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case 6: PORTD = (PORTD & ~0b01110111) | 0b00010111; break; \
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case 7: PORTD = (PORTD & ~0b01110111) | 0b00100011; break; \
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case 8: PORTD = (PORTD & ~0b01110111) | 0b00100111; break; \
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case 9: PORTD = (PORTD & ~0b01110111) | 0b00110011; break; \
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case 10: PORTD = (PORTD & ~0b01110111) | 0b01110010; break; \
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case 11: PORTD = (PORTD & ~0b01110111) | 0b01100110; break; \
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case 12: PORTD = (PORTD & ~0b01110111) | 0b01110000; break; \
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case 13: PORTD = (PORTD & ~0b01110111) | 0b01100100; break; \
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case 14: PORTD = (PORTD & ~0b01110111) | 0b01100000; break; \
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case 15: PORTD = (PORTD & ~0b01110111) | 0b01000111; break; \
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case 16: PORTD = (PORTD & ~0b01110111) | 0b01000011; break; \
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case 17: PORTD = (PORTD & ~0b01110111) | 0b00110111; break;
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}
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}
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void matrix_init(void) {
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/* Column output pins */ \
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DDRD |= 0b01110111; \
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/* Row input pins */ \
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DDRC &= ~0b10000100; \
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DDRB &= ~0b01111110; \
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PORTC |= 0b10000100; \
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PORTB |= 0b01111110;
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for (uint8_t i=0; i < MATRIX_ROWS; i++)
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matrix[i] = matrix_debouncing[i] = 0;
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matrix_init_quantum();
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}
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uint8_t matrix_scan(void) {
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for (uint8_t col = 0; col < MATRIX_COLS; col++) {
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select_col(col);
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_delay_us(3);
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matrix_row_t col_scan = scan_col();
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
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bool curr_bit = col_scan & (1<<row);
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if (prev_bit != curr_bit) {
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matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
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debouncing = DEBOUNCING_DELAY;
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}
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}
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}
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if (debouncing) {
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if (--debouncing)
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_delay_ms(1);
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else
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for (uint8_t i = 0; i < MATRIX_ROWS; i++)
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matrix[i] = matrix_debouncing[i];
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}
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matrix_scan_quantum();
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return 1;
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}
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inline matrix_row_t matrix_get_row(uint8_t row) {
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return matrix[row];
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}
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void matrix_print(void) {
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print("\nr\\c ABCDEFGHIJKLMNOPQR\n");
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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matrix_row_t matrix_row = matrix_get_row(row);
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xprintf("%02X: ", row);
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for (uint8_t col = 0; col < MATRIX_COLS; col++) {
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bool curr_bit = matrix_row & (1<<col);
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xprintf("%c", curr_bit ? '*' : '.');
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}
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print("\n");
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}
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}
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uint8_t matrix_key_count(void) {
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uint8_t count = 0;
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for (uint8_t row = 0; row < MATRIX_ROWS; row++)
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count += bitpop32(matrix[row]);
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return count;
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}
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