mirror of
https://github.com/Keychron/qmk_firmware.git
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89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
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/* Copyright 2022 @ lokher (https://www.keychron.com)
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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 2 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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/******************************************************************************
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*
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* Filename: lpm.c
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*
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* Description: Contains low power mode implementation
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*
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******************************************************************************/
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#include "quantum.h"
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#if defined(PROTOCOL_CHIBIOS)
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# include <usb_main.h>
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#endif
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#include "bluetooth.h"
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#include "indicator.h"
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#include "lpm.h"
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#include "transport.h"
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#include "battery.h"
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extern matrix_row_t matrix[MATRIX_ROWS];
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extern bluetooth_transport_t bluetooth_transport;
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static uint32_t lpm_timer_buffer;
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static bool lpm_time_up = false;
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static matrix_row_t empty_matrix[MATRIX_ROWS] = {0};
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void lpm_init(void) {
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#ifdef USB_POWER_SENSE_PIN
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setPinInputHigh(USB_POWER_SENSE_PIN);
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#endif
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lpm_timer_reset();
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}
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inline void lpm_timer_reset(void) {
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lpm_time_up = false;
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lpm_timer_buffer = sync_timer_read32();
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}
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void lpm_timer_stop(void) {
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lpm_time_up = false;
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lpm_timer_buffer = 0;
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}
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static inline bool lpm_any_matrix_action(void) { return memcmp(matrix, empty_matrix, sizeof(empty_matrix)); }
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/* Implement of entering low power mode and wakeup varies per mcu or platform */
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__attribute__((weak)) void enter_power_mode(pm_t mode) {}
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__attribute__((weak)) bool usb_power_connected(void) {
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#ifdef USB_POWER_SENSE_PIN
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return readPin(USB_POWER_SENSE_PIN) == USB_POWER_CONNECTED_LEVEL;
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#endif
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return true;
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}
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void lpm_task(void) {
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if (!lpm_time_up && sync_timer_elapsed32(lpm_timer_buffer) > RUN_MODE_PROCESS_TIME) {
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lpm_time_up = true;
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lpm_timer_buffer = 0;
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}
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if (get_transport() == TRANSPORT_BLUETOOTH && lpm_time_up && !indicator_is_running()
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#ifdef LED_MATRIX_ENABLE
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&& led_matrix_is_driver_shutdown()
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#endif
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#ifdef RGB_MATRIX_ENABLE
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&& rgb_matrix_is_driver_shutdown()
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#endif
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&& !lpm_any_matrix_action())
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enter_power_mode(LOW_POWER_MODE);
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}
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