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// Copyright 2022 QMK
// SPDX-License-Identifier: GPL-2.0-or-later
#include "suspend.h"
#include "matrix.h"
extern matrix_row_t matrix_previous[MATRIX_ROWS];
static matrix_row_t wakeup_matrix[MATRIX_ROWS];
// TODO: Move to more correct location
__attribute__((weak)) void matrix_power_up(void) {}
__attribute__((weak)) void matrix_power_down(void) {}
/** \brief Run user level Power down
*
* FIXME: needs doc
*/
__attribute__((weak)) void suspend_power_down_user(void) {}
/** \brief Run keyboard level Power down
*
* FIXME: needs doc
*/
__attribute__((weak)) void suspend_power_down_kb(void) {
suspend_power_down_user();
}
/** \brief run user level code immediately after wakeup
*
* FIXME: needs doc
*/
__attribute__((weak)) void suspend_wakeup_init_user(void) {}
/** \brief run keyboard level code immediately after wakeup
*
* FIXME: needs doc
*/
__attribute__((weak)) void suspend_wakeup_init_kb(void) {
suspend_wakeup_init_user();
}
/** \brief suspend wakeup condition
*
* FIXME: needs doc
*/
bool suspend_wakeup_condition(void) {
matrix_power_up();
matrix_scan();
matrix_power_down();
bool wakeup = false;
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
wakeup_matrix[row] = matrix_get_row(row);
wakeup |= wakeup_matrix[row] != 0;
}
return wakeup;
}
void update_matrix_state_after_wakeup(void) {
matrix_power_up();
matrix_scan();
matrix_power_down();
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
const matrix_row_t current_row = matrix_get_row(row);
wakeup_matrix[row] |= current_row & ~matrix_previous[row];
matrix_previous[row] |= current_row;
}
}
bool keypress_is_wakeup_key(uint8_t row, uint8_t col) {
return (wakeup_matrix[row] & ((matrix_row_t)1 << col));
}
void wakeup_matrix_handle_key_event(uint8_t row, uint8_t col, bool pressed) {
if (!pressed) {
wakeup_matrix[row] &= ~((matrix_row_t)1 << col);
}
}
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