mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-12-12 04:40:58 +00:00
5f36285fc5
* [Keyboard] Add work louder micro * Update keyboards/work_louder/micro/readme.md * Update readme * Update kb config files * Update to use encoder map Co-authored-by: Tom Barnes <barnestom@me.com>
132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
// Copyright 2022 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
/*
|
|
* scan matrix
|
|
*/
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <avr/io.h>
|
|
#include "wait.h"
|
|
#include "print.h"
|
|
#include "debug.h"
|
|
#include "util.h"
|
|
#include "matrix.h"
|
|
#include "debounce.h"
|
|
#include QMK_KEYBOARD_H
|
|
|
|
/* matrix state(1:on, 0:off) */
|
|
extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values
|
|
extern matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
|
|
|
|
static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
|
|
static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
|
|
#define MATRIX_ROW_SHIFTER ((matrix_row_t)1)
|
|
|
|
static inline void setPinOutput_writeLow(pin_t pin) {
|
|
ATOMIC_BLOCK_FORCEON {
|
|
setPinOutput(pin);
|
|
writePinLow(pin);
|
|
}
|
|
}
|
|
|
|
static inline void setPinOutput_writeHigh(pin_t pin) {
|
|
ATOMIC_BLOCK_FORCEON {
|
|
setPinOutput(pin);
|
|
writePinHigh(pin);
|
|
}
|
|
}
|
|
|
|
static inline void setPinInputHigh_atomic(pin_t pin) {
|
|
ATOMIC_BLOCK_FORCEON {
|
|
setPinInputHigh(pin);
|
|
}
|
|
}
|
|
|
|
static inline uint8_t readMatrixPin(pin_t pin) {
|
|
if (pin != NO_PIN) {
|
|
return readPin(pin);
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
static bool select_row(uint8_t row) {
|
|
pin_t pin = row_pins[row];
|
|
if (pin != NO_PIN) {
|
|
setPinOutput_writeLow(pin);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static void unselect_row(uint8_t row) {
|
|
pin_t pin = row_pins[row];
|
|
if (pin != NO_PIN) {
|
|
setPinInputHigh_atomic(pin);
|
|
}
|
|
}
|
|
|
|
static void unselect_rows(void) {
|
|
for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
|
|
unselect_row(x);
|
|
}
|
|
}
|
|
|
|
__attribute__((weak)) void matrix_init_custom(void) {
|
|
unselect_rows();
|
|
for (uint8_t x = 0; x < MATRIX_COLS; x++) {
|
|
if (col_pins[x] != NO_PIN) {
|
|
setPinInputHigh_atomic(col_pins[x]);
|
|
}
|
|
}
|
|
setPinInputHigh_atomic(F7);
|
|
setPinInputHigh_atomic(F0);
|
|
}
|
|
|
|
void matrix_read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
|
|
// Start with a clear matrix row
|
|
matrix_row_t current_row_value = 0;
|
|
|
|
if (!select_row(current_row)) { // Select row
|
|
return; // skip NO_PIN row
|
|
}
|
|
matrix_output_select_delay();
|
|
|
|
// For each col...
|
|
matrix_row_t row_shifter = MATRIX_ROW_SHIFTER;
|
|
for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++, row_shifter <<= 1) {
|
|
uint8_t pin_state = 0;
|
|
if (current_row == 3 && col_index == 0) {
|
|
pin_state = !readMatrixPin(F7);
|
|
} else if (current_row == 3 && col_index == 3) {
|
|
pin_state = !readMatrixPin(F0);
|
|
} else {
|
|
pin_state = readMatrixPin(col_pins[col_index]);
|
|
}
|
|
// Populate the matrix row with the state of the col pin
|
|
current_row_value |= pin_state ? 0 : row_shifter;
|
|
}
|
|
|
|
// Unselect row
|
|
unselect_row(current_row);
|
|
matrix_output_unselect_delay(current_row, current_row_value != 0); // wait for all Col signals to go HIGH
|
|
|
|
// Update the matrix
|
|
current_matrix[current_row] = current_row_value;
|
|
}
|
|
|
|
bool matrix_scan_custom(matrix_row_t current_matrix[]) {
|
|
static matrix_row_t temp_matrix[MATRIX_ROWS] = {0};
|
|
|
|
for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
|
|
matrix_read_cols_on_row(temp_matrix, current_row);
|
|
}
|
|
|
|
bool changed = memcmp(current_matrix, temp_matrix, sizeof(temp_matrix)) != 0;
|
|
if (changed) {
|
|
memcpy(current_matrix, temp_matrix, sizeof(temp_matrix));
|
|
}
|
|
return changed;
|
|
}
|