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https://github.com/Rockbox/rockbox.git
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51ba8b3eee
This also adds hwrev info to the debug output. Change-Id: Ia75218cacb8f756a23a77334ea6ab69ac3b20d10
95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2017 by Marcin Bukat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <sys/types.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdio.h>
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#include "system.h"
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#include "power-erosq.h"
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#include "power.h"
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#include "panic.h"
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#include "sysfs.h"
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#include "tick.h"
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const char * const sysfs_bat_voltage[2] = {
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"/sys/class/power_supply/battery/voltage_now",
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"/sys/class/power_supply/axp_battery/voltage_now",
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};
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const char * const sysfs_bat_capacity[2] = {
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"/sys/class/power_supply/battery/capacity",
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"/sys/class/power_supply/axp_battery/capacity",
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};
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const char * const sysfs_bat_status[2] = {
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"/sys/class/power_supply/battery/status",
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"/sys/class/power_supply/axp_battery/status",
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};
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int hwver = 1; /* Exported */
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unsigned int erosq_power_get_battery_voltage(void)
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{
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int battery_voltage;
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int x = sysfs_get_int(sysfs_bat_voltage[hwver == 4], &battery_voltage);
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if (!x && hwver != 4) {
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hwver = 4;
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sysfs_get_int(sysfs_bat_voltage[hwver == 4], &battery_voltage);
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}
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return battery_voltage/1000;
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}
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unsigned int erosq_power_get_battery_capacity(void)
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{
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int battery_capacity;
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int x = sysfs_get_int(sysfs_bat_capacity[hwver == 4], &battery_capacity);
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if (!x && hwver != 4) {
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hwver = 4;
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sysfs_get_int(sysfs_bat_capacity[hwver == 4], &battery_capacity);
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}
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return battery_capacity;
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}
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/* We get called multiple times per tick, let's cut that back! */
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static long last_tick = 0;
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static bool last_power = false;
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bool charging_state(void)
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{
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if ((current_tick - last_tick) > HZ/2 ) {
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char buf[12] = {0};
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int x = sysfs_get_string(sysfs_bat_status[hwver == 4], buf, sizeof(buf));
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if (!x && hwver != 4) {
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hwver = 4;
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sysfs_get_string(sysfs_bat_status[hwver == 4], buf, sizeof(buf));
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}
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last_tick = current_tick;
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last_power = (strncmp(buf, "Charging", 8) == 0);
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}
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return last_power;
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}
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