mh
/
qmk_firmware
mirror of https://github.com/qmk/qmk_firmware/


								/* Copyright 2020 sekigon-gonnoc

								 *

								 * 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 <http://www.gnu.org/licenses/>.

								 */


								//

								// Scan EC switch matrix using 74HC7051

								// Define MUX_SEL_PINS, DISCHARGE_PIN, and ANALOG_PORT to compile

								//


								#pragma once


								#include <stdint.h>

								#include <stdbool.h>


								#include "matrix.h"


								typedef struct {

								    uint16_t low_threshold;   // threshold for key release

								    uint16_t high_threshold;  // threshold for key press

								} ecsm_config_t;


								int      ecsm_init(ecsm_config_t const* const ecsm_config);

								bool     ecsm_matrix_scan(matrix_row_t current_matrix[]);

								void     ecsm_print_matrix(void);

								uint16_t ecsm_readkey_raw(uint8_t row, uint8_t col);

								bool     ecsm_update_key(matrix_row_t* current_row, uint8_t col, uint16_t sw_value);