mirror of
https://github.com/Keychron/qmk_firmware.git
synced 2024-12-02 05:37:00 +06:00
294 lines
8.8 KiB
C
294 lines
8.8 KiB
C
/* Copyright 2022 @ Keychron (https://www.keychron.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 "quantum.h"
|
|
#include "indicator.h"
|
|
#include "transport.h"
|
|
|
|
#define HC595_STCP B0
|
|
#define HC595_SHCP A1
|
|
#define HC595_DS A7
|
|
|
|
pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
|
|
pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
|
|
|
|
extern indicator_config_t indicator_config;
|
|
static uint32_t power_on_indicator_timer_buffer;
|
|
extern bool bat_low_led_pin_state;
|
|
|
|
#define POWER_ON_LED_DURATION 3000
|
|
|
|
static inline void HC595_delay(uint16_t n) {
|
|
while (n-- > 0) {
|
|
asm volatile("nop" ::: "memory");
|
|
};
|
|
}
|
|
|
|
static void HC595_output(uint32_t data) {
|
|
uint8_t i;
|
|
uint8_t n = 1;
|
|
|
|
for (i = 0; i < (MATRIX_COLS + 3); i++) {
|
|
writePinLow(HC595_SHCP);
|
|
|
|
if (data & 0x1)
|
|
writePinHigh(HC595_DS);
|
|
else
|
|
writePinLow(HC595_DS);
|
|
|
|
data >>= 1;
|
|
|
|
HC595_delay(n);
|
|
|
|
writePinHigh(HC595_SHCP);
|
|
HC595_delay(n);
|
|
}
|
|
|
|
HC595_delay(n);
|
|
writePinLow(HC595_STCP);
|
|
HC595_delay(n);
|
|
writePinHigh(HC595_STCP);
|
|
}
|
|
|
|
static inline void setPinOutput_writeLow(pin_t pin) {
|
|
ATOMIC_BLOCK_FORCEON {
|
|
setPinOutput(pin);
|
|
writePinLow(pin);
|
|
}
|
|
}
|
|
|
|
static inline void setPinInput_high(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_col(uint8_t col) {
|
|
pin_t pin = col_pins[col];
|
|
uint32_t value = 0;
|
|
|
|
if (pin != NO_PIN) {
|
|
setPinOutput_writeLow(pin);
|
|
return true;
|
|
} else {
|
|
if (power_on_indicator_timer_buffer) {
|
|
if (sync_timer_elapsed32(power_on_indicator_timer_buffer) > POWER_ON_LED_DURATION) {
|
|
power_on_indicator_timer_buffer = 0;
|
|
HC595_output((~(0x1 << (21 - col - 1))) & (7 << 0));
|
|
} else {
|
|
HC595_output((~(0x1 << (21 - col - 1))));
|
|
}
|
|
} else {
|
|
if (get_transport() == TRANSPORT_BLUETOOTH) {
|
|
if (indicator_config.value) {
|
|
if (indicator_config.value & 0x80) {
|
|
value = ~(0x1 << (21 - col - 1)) & ~(3 << 0);
|
|
HC595_output(value);
|
|
} else {
|
|
value = (~(0x1 << (21 - col - 1))) & ~(7 << 0);
|
|
HC595_output(value);
|
|
}
|
|
} else {
|
|
if (host_keyboard_led_state().caps_lock) {
|
|
value = (~(0x1 << (21 - col - 1))) & ~(5 << 0);
|
|
HC595_output(value);
|
|
} else {
|
|
value = (~(0x1 << (21 - col - 1))) & ~(7 << 0);
|
|
HC595_output(value);
|
|
}
|
|
}
|
|
if (bat_low_led_pin_state) {
|
|
HC595_output(value | (1 << 0));
|
|
}
|
|
} else {
|
|
if (host_keyboard_led_state().caps_lock) {
|
|
HC595_output((~(0x1 << (21 - col - 1))) & ~(5 << 0));
|
|
} else {
|
|
HC595_output((~(0x1 << (21 - col - 1))) & ~(7 << 0));
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static void unselect_col(uint8_t col) {
|
|
pin_t pin = col_pins[col];
|
|
uint32_t value = 0;
|
|
|
|
if (pin != NO_PIN) {
|
|
#ifdef MATRIX_UNSELECT_DRIVE_HIGH
|
|
setPinOutput_writeHigh(pin);
|
|
#else
|
|
setPinInput_high(pin);
|
|
#endif
|
|
} else {
|
|
if (power_on_indicator_timer_buffer) {
|
|
if (sync_timer_elapsed32(power_on_indicator_timer_buffer) > POWER_ON_LED_DURATION) {
|
|
power_on_indicator_timer_buffer = 0;
|
|
HC595_output(0x1FFFFF & ~(7 << 0));
|
|
} else {
|
|
HC595_output(0x1FFFFF);
|
|
}
|
|
} else {
|
|
if (get_transport() == TRANSPORT_BLUETOOTH) {
|
|
if (indicator_config.value) {
|
|
if (indicator_config.value & 0x80) {
|
|
if (col == (MATRIX_COLS - 1)) {
|
|
value = 0x1FFFFF & ~(3 << 0);
|
|
HC595_output(value);
|
|
}
|
|
} else {
|
|
if (col == (MATRIX_COLS - 1)) {
|
|
if (col == (MATRIX_COLS - 1)) {
|
|
value = 0x1FFFFF & ~(7 << 0);
|
|
HC595_output(value);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (host_keyboard_led_state().caps_lock) {
|
|
if (col == (MATRIX_COLS - 1)) {
|
|
if (col == (MATRIX_COLS - 1)) {
|
|
value = 0x1FFFFF & ~(5 << 0);
|
|
HC595_output(value);
|
|
}
|
|
}
|
|
} else {
|
|
if (col == (MATRIX_COLS - 1)) {
|
|
if (col == (MATRIX_COLS - 1)) {
|
|
value = 0x1FFFFF & ~(7 << 0);
|
|
HC595_output(value);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (bat_low_led_pin_state) {
|
|
HC595_output(value | (1 << 0));
|
|
}
|
|
} else {
|
|
if (host_keyboard_led_state().caps_lock) {
|
|
if (col == (MATRIX_COLS - 1)) {
|
|
HC595_output(0x1FFFFF & ~(5 << 0));
|
|
}
|
|
} else {
|
|
if (col == (MATRIX_COLS - 1)) {
|
|
HC595_output(0x1FFFFF & ~(7 << 0));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void unselect_cols(void) {
|
|
for (uint8_t x = 0; x < MATRIX_COLS; x++) {
|
|
pin_t pin = col_pins[x];
|
|
if (pin != NO_PIN) {
|
|
#ifdef MATRIX_UNSELECT_DRIVE_HIGH
|
|
setPinOutput_writeHigh(pin);
|
|
#else
|
|
setPinInput_high(pin);
|
|
#endif
|
|
} else {
|
|
if (x == 0) {
|
|
HC595_output(0xFFFFFFFF);
|
|
power_on_indicator_timer_buffer = sync_timer_read32() | 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void select_all_cols(void) {
|
|
for (uint8_t x = 0; x < MATRIX_COLS; x++) {
|
|
pin_t pin = col_pins[x];
|
|
if (pin != NO_PIN) {
|
|
setPinOutput_writeLow(pin);
|
|
} else {
|
|
if (x == 0) {
|
|
if (host_keyboard_led_state().caps_lock) {
|
|
HC595_output(0x00000000 | (2 << 0));
|
|
} else {
|
|
HC595_output(0x00000000);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
|
|
// Select col
|
|
if (!select_col(current_col)) { // select col
|
|
return; // skip NO_PIN col
|
|
}
|
|
HC595_delay(200);
|
|
|
|
// For each row...
|
|
for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) {
|
|
// Check row pin state
|
|
if (readMatrixPin(row_pins[row_index]) == 0) {
|
|
// Pin LO, set col bit
|
|
current_matrix[row_index] |= (MATRIX_ROW_SHIFTER << current_col);
|
|
// key_pressed = true;
|
|
} else {
|
|
// Pin HI, clear col bit
|
|
current_matrix[row_index] &= ~(MATRIX_ROW_SHIFTER << current_col);
|
|
}
|
|
}
|
|
|
|
unselect_col(current_col);
|
|
HC595_delay(200);
|
|
}
|
|
|
|
void matrix_init_custom(void) {
|
|
setPinOutput(HC595_DS);
|
|
setPinOutput(HC595_STCP);
|
|
setPinOutput(HC595_SHCP);
|
|
|
|
for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
|
|
if (row_pins[x] != NO_PIN) {
|
|
setPinInput_high(row_pins[x]);
|
|
}
|
|
}
|
|
|
|
unselect_cols();
|
|
}
|
|
|
|
bool matrix_scan_custom(matrix_row_t current_matrix[]) {
|
|
bool matrix_has_changed = false;
|
|
|
|
matrix_row_t curr_matrix[MATRIX_ROWS] = {0};
|
|
|
|
// Set col, read rows
|
|
for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
|
|
matrix_read_rows_on_col(curr_matrix, current_col);
|
|
}
|
|
|
|
matrix_has_changed = memcmp(current_matrix, curr_matrix, sizeof(curr_matrix)) != 0;
|
|
if (matrix_has_changed) memcpy(current_matrix, curr_matrix, sizeof(curr_matrix));
|
|
|
|
return matrix_has_changed;
|
|
}
|