74 lines
4.4 KiB
C
74 lines
4.4 KiB
C
/* Copyright 2023 Cipulot
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*
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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 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "matrix.h"
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#include "eeconfig.h"
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#include "util.h"
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typedef struct PACKED {
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uint8_t actuation_mode; // 0: normal board-wide APC, 1: Rapid trigger from specific board-wide actuation point, 2: Rapid trigger from resting point
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uint16_t mode_0_actuation_threshold; // threshold for key press in mode 0
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uint16_t mode_0_release_threshold; // threshold for key release in mode 0
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uint16_t mode_1_initial_deadzone_offset; // threshold for key press in mode 1
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uint8_t mode_1_actuation_offset; // offset for key press in mode 1 and 2 (1-255)
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uint8_t mode_1_release_offset; // offset for key release in mode 1 and 2 (1-255)
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uint16_t bottoming_reading[MATRIX_ROWS][MATRIX_COLS]; // bottoming reading
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} eeprom_ec_config_t;
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typedef struct {
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uint8_t actuation_mode; // 0: normal board-wide APC, 1: Rapid trigger from specific board-wide actuation point (it can be very near that baseline noise and be "full travel")
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uint16_t mode_0_actuation_threshold; // threshold for key press in mode 0
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uint16_t mode_0_release_threshold; // threshold for key release in mode 0
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uint16_t mode_1_initial_deadzone_offset; // threshold for key press in mode 1 (initial deadzone)
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uint16_t rescaled_mode_0_actuation_threshold[MATRIX_ROWS][MATRIX_COLS]; // threshold for key press in mode 0 rescaled to actual scale
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uint16_t rescaled_mode_0_release_threshold[MATRIX_ROWS][MATRIX_COLS]; // threshold for key release in mode 0 rescaled to actual scale
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uint16_t rescaled_mode_1_initial_deadzone_offset[MATRIX_ROWS][MATRIX_COLS]; // threshold for key press in mode 1 (initial deadzone) rescaled to actual scale
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uint8_t mode_1_actuation_offset; // offset for key press in mode 1 (1-255)
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uint8_t mode_1_release_offset; // offset for key release in mode 1 (1-255)
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uint16_t extremum[MATRIX_ROWS][MATRIX_COLS]; // extremum values for mode 1
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uint16_t noise_floor[MATRIX_ROWS][MATRIX_COLS]; // noise floor detected during startup
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bool bottoming_calibration; // calibration mode for bottoming out values (true: calibration mode, false: normal mode)
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bool bottoming_calibration_starter[MATRIX_ROWS][MATRIX_COLS]; // calibration mode for bottoming out values (true: calibration mode, false: normal mode)
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uint16_t bottoming_reading[MATRIX_ROWS][MATRIX_COLS]; // bottoming reading
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} ec_config_t;
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// Check if the size of the reserved persistent memory is the same as the size of struct eeprom_ec_config_t
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_Static_assert(sizeof(eeprom_ec_config_t) == EECONFIG_KB_DATA_SIZE, "Mismatch in keyboard EECONFIG stored data");
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extern eeprom_ec_config_t eeprom_ec_config;
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extern ec_config_t ec_config;
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void init_row(void);
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void init_amux(void);
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void select_amux_channel(uint8_t channel, uint8_t col);
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void disable_unused_amux(uint8_t channel);
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void discharge_capacitor(void);
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void charge_capacitor(uint8_t row);
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int ec_init(void);
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void ec_noise_floor(void);
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bool ec_matrix_scan(matrix_row_t current_matrix[]);
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uint16_t ec_readkey_raw(uint8_t channel, uint8_t row, uint8_t col);
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bool ec_update_key(matrix_row_t* current_row, uint8_t row, uint8_t col, uint16_t sw_value);
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void ec_print_matrix(void);
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uint16_t rescale(uint16_t x, uint16_t in_min, uint16_t in_max, uint16_t out_min, uint16_t out_max);
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