mirror of
https://github.com/Keychron/qmk_firmware.git
synced 2024-11-25 01:47:10 +06:00
132 lines
4.0 KiB
C
132 lines
4.0 KiB
C
/*
|
|
* Copyright 2018-2023 Jack Humbert <jack.humb@gmail.com>
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
#include "matrix.h"
|
|
#include <hal_pal.h>
|
|
#include <math.h>
|
|
#include "wait.h"
|
|
|
|
// STM32-specific watchdog config calculations
|
|
// timeout = 31.25us * PR * (RL + 1)
|
|
#define _STM32_IWDG_LSI(us) ((us) / 31.25)
|
|
#define STM32_IWDG_PR_US(us) (uint8_t)(log(_STM32_IWDG_LSI(us)) / log(2) - 11)
|
|
#define STM32_IWDG_PR_MS(s) STM32_IWDG_PR_US(s * 1000.0)
|
|
#define STM32_IWDG_PR_S(s) STM32_IWDG_PR_US(s * 1000000.0)
|
|
#define _STM32_IWDG_SCALAR(us) (2 << ((uint8_t)STM32_IWDG_PR_US(us) + 1))
|
|
#define STM32_IWDG_RL_US(us) (uint64_t)(_STM32_IWDG_LSI(us)) / _STM32_IWDG_SCALAR(us)
|
|
#define STM32_IWDG_RL_MS(s) STM32_IWDG_RL_US(s * 1000.0)
|
|
#define STM32_IWDG_RL_S(s) STM32_IWDG_RL_US(s * 1000000.0)
|
|
|
|
#if !defined(PLANCK_WATCHDOG_TIMEOUT)
|
|
# define PLANCK_WATCHDOG_TIMEOUT 1.0
|
|
#endif
|
|
|
|
/* matrix state(1:on, 0:off) */
|
|
static pin_t matrix_row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
|
|
static pin_t matrix_col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
|
|
|
|
static matrix_row_t matrix_inverted[MATRIX_COLS];
|
|
|
|
void matrix_init_custom(void) {
|
|
// actual matrix setup - cols
|
|
for (int i = 0; i < MATRIX_COLS; i++) {
|
|
gpio_set_pin_output(matrix_col_pins[i]);
|
|
gpio_write_pin_low(matrix_col_pins[i]);
|
|
}
|
|
|
|
// rows
|
|
for (int i = 0; i < MATRIX_ROWS; i++) {
|
|
gpio_set_pin_input_low(matrix_row_pins[i]);
|
|
}
|
|
|
|
// encoder A & B setup
|
|
gpio_set_pin_input_low(B12);
|
|
gpio_set_pin_input_low(B13);
|
|
|
|
#ifndef PLANCK_WATCHDOG_DISABLE
|
|
wdgInit();
|
|
|
|
static WDGConfig wdgcfg;
|
|
wdgcfg.pr = STM32_IWDG_PR_S(PLANCK_WATCHDOG_TIMEOUT);
|
|
wdgcfg.rlr = STM32_IWDG_RL_S(PLANCK_WATCHDOG_TIMEOUT);
|
|
wdgcfg.winr = STM32_IWDG_WIN_DISABLED;
|
|
wdgStart(&WDGD1, &wdgcfg);
|
|
#endif
|
|
}
|
|
|
|
bool matrix_scan_custom(matrix_row_t current_matrix[]) {
|
|
#ifndef PLANCK_WATCHDOG_DISABLE
|
|
// reset watchdog
|
|
wdgReset(&WDGD1);
|
|
#endif
|
|
|
|
bool changed = false;
|
|
|
|
// actual matrix
|
|
for (int col = 0; col < MATRIX_COLS; col++) {
|
|
matrix_row_t data = 0;
|
|
|
|
// strobe col
|
|
gpio_write_pin_high(matrix_col_pins[col]);
|
|
|
|
// need wait to settle pin state
|
|
wait_us(20);
|
|
|
|
// read row data
|
|
for (int row = 0; row < MATRIX_ROWS; row++) {
|
|
data |= (gpio_read_pin(matrix_row_pins[row]) << row);
|
|
}
|
|
|
|
// unstrobe col
|
|
gpio_write_pin_low(matrix_col_pins[col]);
|
|
|
|
if (matrix_inverted[col] != data) {
|
|
matrix_inverted[col] = data;
|
|
}
|
|
}
|
|
|
|
for (int row = 0; row < MATRIX_ROWS; row++) {
|
|
matrix_row_t old = current_matrix[row];
|
|
current_matrix[row] = 0;
|
|
for (int col = 0; col < MATRIX_COLS; col++) {
|
|
current_matrix[row] |= ((matrix_inverted[col] & (1 << row) ? 1 : 0) << col);
|
|
}
|
|
changed |= old != current_matrix[row];
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
#if defined(ENCODER_ENABLE) || defined(ENCODER_MAP_ENABLE)
|
|
#if !defined(PLANCK_ENCODER_SETTLE_PIN_STATE_DELAY)
|
|
# define PLANCK_ENCODER_SETTLE_PIN_STATE_DELAY 10
|
|
#endif
|
|
|
|
void encoder_quadrature_init_pin(uint8_t index, bool pad_b) {
|
|
}
|
|
|
|
uint8_t encoder_quadrature_read_pin(uint8_t index, bool pad_b) {
|
|
pin_t col_pin = pad_b ? B13 : B12;
|
|
gpio_set_pin_output(col_pin);
|
|
gpio_write_pin_high(col_pin);
|
|
wait_us(PLANCK_ENCODER_SETTLE_PIN_STATE_DELAY);
|
|
uint8_t ret = gpio_read_pin(matrix_row_pins[index]) ? 0 : 1;
|
|
gpio_set_pin_input_low(col_pin);
|
|
return ret;
|
|
}
|
|
#endif // ENCODER_ENABLE || ENCODER_MAP_ENABLE
|