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/*
* Copyright (C) 2011-2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "healthd_mode_charger.h"
#include <array>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/un.h>
#include <time.h>
#include <unistd.h>
#include <optional>
#include <android-base/file.h>
#include <android-base/macros.h>
#include <linux/netlink.h>
#include <sys/socket.h>
#include <cutils/android_get_control_file.h>
#include <cutils/klog.h>
#include <cutils/misc.h>
#include <cutils/properties.h>
#include <cutils/uevent.h>
#include <sys/reboot.h>
#include <suspend/autosuspend.h>
#include "AnimationParser.h"
#include "charger.sysprop.h"
#include "charger_utils.h"
#include "healthd_draw.h"
#include <android/hardware/health/2.0/IHealthInfoCallback.h>
#include <health/utils.h>
#include <health2impl/HalHealthLoop.h>
#include <health2impl/Health.h>
#include <healthd/healthd.h>
using namespace android;
using android::hardware::Return;
using android::hardware::health::GetHealthServiceOrDefault;
using android::hardware::health::HealthLoop;
using android::hardware::health::V1_0::BatteryStatus;
using android::hardware::health::V2_0::Result;
using android::hardware::health::V2_1::IHealth;
using IHealth_2_0 = android::hardware::health::V2_0::IHealth;
using HealthInfo_1_0 = android::hardware::health::V1_0::HealthInfo;
using HealthInfo_2_1 = android::hardware::health::V2_1::HealthInfo;
// main healthd loop
extern int healthd_main(void);
// minui globals
char* locale;
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif
#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define MSEC_PER_SEC (1000LL)
#define NSEC_PER_MSEC (1000000LL)
#define BATTERY_UNKNOWN_TIME (2 * MSEC_PER_SEC)
#define POWER_ON_KEY_TIME (2 * MSEC_PER_SEC)
#define UNPLUGGED_SHUTDOWN_TIME (10 * MSEC_PER_SEC)
#define UNPLUGGED_DISPLAY_TIME (3 * MSEC_PER_SEC)
#define MAX_BATT_LEVEL_WAIT_TIME (3 * MSEC_PER_SEC)
#define UNPLUGGED_SHUTDOWN_TIME_PROP "ro.product.charger.unplugged_shutdown_time"
#define LAST_KMSG_MAX_SZ (32 * 1024)
#define LOGE(x...) KLOG_ERROR("charger", x);
#define LOGW(x...) KLOG_WARNING("charger", x);
#define LOGV(x...) KLOG_DEBUG("charger", x);
namespace android {
// Resources in /product/etc/res overrides resources in /res.
// If the device is using the Generic System Image (GSI), resources may exist in
// both paths.
static constexpr const char* product_animation_desc_path =
"/product/etc/res/values/charger/animation.txt";
static constexpr const char* product_animation_root = "/product/etc/res/images/";
static constexpr const char* animation_desc_path = "/res/values/charger/animation.txt";
static const animation BASE_ANIMATION = {
.text_clock =
{
.pos_x = 0,
.pos_y = 0,
.color_r = 255,
.color_g = 255,
.color_b = 255,
.color_a = 255,
.font = nullptr,
},
.text_percent =
{
.pos_x = 0,
.pos_y = 0,
.color_r = 255,
.color_g = 255,
.color_b = 255,
.color_a = 255,
},
.run = false,
.frames = nullptr,
.cur_frame = 0,
.num_frames = 0,
.first_frame_repeats = 2,
.cur_cycle = 0,
.num_cycles = 3,
.cur_level = 0,
.cur_status = BATTERY_STATUS_UNKNOWN,
};
void Charger::InitDefaultAnimationFrames() {
owned_frames_ = {
{
.name = "charger/battery-charging0001",
.disp_time = 500,
.min_level = 0,
.max_level = 1,
.surface = NULL,
},
{
.name = "charger/battery-charging0002",
.disp_time = 500,
.min_level = 2,
.max_level = 2,
.surface = NULL,
},
{
.name = "charger/battery-charging0003",
.disp_time = 500,
.min_level = 3,
.max_level = 3,
.surface = NULL,
},
{
.name = "charger/battery-charging0004",
.disp_time = 500,
.min_level = 4,
.max_level = 4,
.surface = NULL,
},
{
.name = "charger/battery-charging0005",
.disp_time = 500,
.min_level = 5,
.max_level = 5,
.surface = NULL,
},
{
.name = "charger/battery-charging0006",
.disp_time = 500,
.min_level = 6,
.max_level = 6,
.surface = NULL,
},
{
.name = "charger/battery-charging0007",
.disp_time = 500,
.min_level = 7,
.max_level = 7,
.surface = NULL,
},
{
.name = "charger/battery-charging0008",
.disp_time = 500,
.min_level = 8,
.max_level = 8,
.surface = NULL,
},
{
.name = "charger/battery-charging0009",
.disp_time = 500,
.min_level = 9,
.max_level = 9,
.surface = NULL,
},
{
.name = "charger/battery-charging0010",
.disp_time = 500,
.min_level = 10,
.max_level = 10,
.surface = NULL,
},
{
.name = "charger/battery-charging0011",
.disp_time = 500,
.min_level = 11,
.max_level = 11,
.surface = NULL,
},
{
.name = "charger/battery-charging0012",
.disp_time = 500,
.min_level = 12,
.max_level = 12,
.surface = NULL,
},
{
.name = "charger/battery-charging0013",
.disp_time = 500,
.min_level = 13,
.max_level = 13,
.surface = NULL,
},
{
.name = "charger/battery-charging0014",
.disp_time = 500,
.min_level = 14,
.max_level = 14,
.surface = NULL,
},
{
.name = "charger/battery-charging0015",
.disp_time = 500,
.min_level = 15,
.max_level = 15,
.surface = NULL,
},
{
.name = "charger/battery-charging0016",
.disp_time = 500,
.min_level = 16,
.max_level = 16,
.surface = NULL,
},
{
.name = "charger/battery-charging0017",
.disp_time = 500,
.min_level = 17,
.max_level = 17,
.surface = NULL,
},
{
.name = "charger/battery-charging0018",
.disp_time = 500,
.min_level = 18,
.max_level = 18,
.surface = NULL,
},
{
.name = "charger/battery-charging0019",
.disp_time = 500,
.min_level = 19,
.max_level = 19,
.surface = NULL,
},
{
.name = "charger/battery-charging0020",
.disp_time = 500,
.min_level = 20,
.max_level = 20,
.surface = NULL,
},
{
.name = "charger/battery-charging0021",
.disp_time = 500,
.min_level = 21,
.max_level = 21,
.surface = NULL,
},
{
.name = "charger/battery-charging0022",
.disp_time = 500,
.min_level = 22,
.max_level = 22,
.surface = NULL,
},
{
.name = "charger/battery-charging0023",
.disp_time = 500,
.min_level = 23,
.max_level = 23,
.surface = NULL,
},
{
.name = "charger/battery-charging0024",
.disp_time = 500,
.min_level = 24,
.max_level = 24,
.surface = NULL,
},
{
.name = "charger/battery-charging0025",
.disp_time = 500,
.min_level = 25,
.max_level = 25,
.surface = NULL,
},
{
.name = "charger/battery-charging0026",
.disp_time = 500,
.min_level = 26,
.max_level = 26,
.surface = NULL,
},
{
.name = "charger/battery-charging0027",
.disp_time = 500,
.min_level = 27,
.max_level = 27,
.surface = NULL,
},
{
.name = "charger/battery-charging0028",
.disp_time = 500,
.min_level = 28,
.max_level = 28,
.surface = NULL,
},
{
.name = "charger/battery-charging0029",
.disp_time = 500,
.min_level = 29,
.max_level = 29,
.surface = NULL,
},
{
.name = "charger/battery-charging0030",
.disp_time = 500,
.min_level = 30,
.max_level = 30,
.surface = NULL,
},
{
.name = "charger/battery-charging0031",
.disp_time = 500,
.min_level = 31,
.max_level = 31,
.surface = NULL,
},
{
.name = "charger/battery-charging0032",
.disp_time = 500,
.min_level = 32,
.max_level = 32,
.surface = NULL,
},
{
.name = "charger/battery-charging0033",
.disp_time = 500,
.min_level = 33,
.max_level = 33,
.surface = NULL,
},
{
.name = "charger/battery-charging0034",
.disp_time = 500,
.min_level = 34,
.max_level = 34,
.surface = NULL,
},
{
.name = "charger/battery-charging0035",
.disp_time = 500,
.min_level = 35,
.max_level = 35,
.surface = NULL,
},
{
.name = "charger/battery-charging0036",
.disp_time = 500,
.min_level = 36,
.max_level = 36,
.surface = NULL,
},
{
.name = "charger/battery-charging0037",
.disp_time = 500,
.min_level = 37,
.max_level = 37,
.surface = NULL,
},
{
.name = "charger/battery-charging0038",
.disp_time = 500,
.min_level = 38,
.max_level = 38,
.surface = NULL,
},
{
.name = "charger/battery-charging0039",
.disp_time = 500,
.min_level = 39,
.max_level = 39,
.surface = NULL,
},
{
.name = "charger/battery-charging0040",
.disp_time = 500,
.min_level = 40,
.max_level = 40,
.surface = NULL,
},
{
.name = "charger/battery-charging0041",
.disp_time = 500,
.min_level = 41,
.max_level = 41,
.surface = NULL,
},
{
.name = "charger/battery-charging0042",
.disp_time = 500,
.min_level = 42,
.max_level = 42,
.surface = NULL,
},
{
.name = "charger/battery-charging0043",
.disp_time = 500,
.min_level = 43,
.max_level = 43,
.surface = NULL,
},
{
.name = "charger/battery-charging0044",
.disp_time = 500,
.min_level = 44,
.max_level = 44,
.surface = NULL,
},
{
.name = "charger/battery-charging0045",
.disp_time = 500,
.min_level = 45,
.max_level = 45,
.surface = NULL,
},
{
.name = "charger/battery-charging0046",
.disp_time = 500,
.min_level = 46,
.max_level = 46,
.surface = NULL,
},
{
.name = "charger/battery-charging0047",
.disp_time = 500,
.min_level = 47,
.max_level = 47,
.surface = NULL,
},
{
.name = "charger/battery-charging0048",
.disp_time = 500,
.min_level = 48,
.max_level = 48,
.surface = NULL,
},
{
.name = "charger/battery-charging0049",
.disp_time = 500,
.min_level = 49,
.max_level = 49,
.surface = NULL,
},
{
.name = "charger/battery-charging0050",
.disp_time = 500,
.min_level = 50,
.max_level = 50,
.surface = NULL,
},
{
.name = "charger/battery-charging0051",
.disp_time = 500,
.min_level = 51,
.max_level = 51,
.surface = NULL,
},
{
.name = "charger/battery-charging0052",
.disp_time = 500,
.min_level = 52,
.max_level = 52,
.surface = NULL,
},
{
.name = "charger/battery-charging0053",
.disp_time = 500,
.min_level = 53,
.max_level = 53,
.surface = NULL,
},
{
.name = "charger/battery-charging0054",
.disp_time = 500,
.min_level = 54,
.max_level = 54,
.surface = NULL,
},
{
.name = "charger/battery-charging0055",
.disp_time = 500,
.min_level = 55,
.max_level = 55,
.surface = NULL,
},
{
.name = "charger/battery-charging0056",
.disp_time = 500,
.min_level = 56,
.max_level = 56,
.surface = NULL,
},
{
.name = "charger/battery-charging0057",
.disp_time = 500,
.min_level = 57,
.max_level = 57,
.surface = NULL,
},
{
.name = "charger/battery-charging0058",
.disp_time = 500,
.min_level = 58,
.max_level = 58,
.surface = NULL,
},
{
.name = "charger/battery-charging0059",
.disp_time = 500,
.min_level = 59,
.max_level = 59,
.surface = NULL,
},
{
.name = "charger/battery-charging0060",
.disp_time = 500,
.min_level = 60,
.max_level = 60,
.surface = NULL,
},
{
.name = "charger/battery-charging0061",
.disp_time = 500,
.min_level = 61,
.max_level = 61,
.surface = NULL,
},
{
.name = "charger/battery-charging0062",
.disp_time = 500,
.min_level = 62,
.max_level = 62,
.surface = NULL,
},
{
.name = "charger/battery-charging0063",
.disp_time = 500,
.min_level = 63,
.max_level = 63,
.surface = NULL,
},
{
.name = "charger/battery-charging0064",
.disp_time = 500,
.min_level = 64,
.max_level = 64,
.surface = NULL,
},
{
.name = "charger/battery-charging0065",
.disp_time = 500,
.min_level = 65,
.max_level = 65,
.surface = NULL,
},
{
.name = "charger/battery-charging0066",
.disp_time = 500,
.min_level = 66,
.max_level = 66,
.surface = NULL,
},
{
.name = "charger/battery-charging0067",
.disp_time = 500,
.min_level = 67,
.max_level = 67,
.surface = NULL,
},
{
.name = "charger/battery-charging0068",
.disp_time = 500,
.min_level = 68,
.max_level = 68,
.surface = NULL,
},
{
.name = "charger/battery-charging0069",
.disp_time = 500,
.min_level = 69,
.max_level = 69,
.surface = NULL,
},
{
.name = "charger/battery-charging0070",
.disp_time = 500,
.min_level = 70,
.max_level = 70,
.surface = NULL,
},
{
.name = "charger/battery-charging0071",
.disp_time = 500,
.min_level = 71,
.max_level = 71,
.surface = NULL,
},
{
.name = "charger/battery-charging0072",
.disp_time = 500,
.min_level = 72,
.max_level = 72,
.surface = NULL,
},
{
.name = "charger/battery-charging0073",
.disp_time = 500,
.min_level = 73,
.max_level = 73,
.surface = NULL,
},
{
.name = "charger/battery-charging0074",
.disp_time = 500,
.min_level = 74,
.max_level = 74,
.surface = NULL,
},
{
.name = "charger/battery-charging0075",
.disp_time = 500,
.min_level = 75,
.max_level = 75,
.surface = NULL,
},
{
.name = "charger/battery-charging0076",
.disp_time = 500,
.min_level = 76,
.max_level = 76,
.surface = NULL,
},
{
.name = "charger/battery-charging0077",
.disp_time = 500,
.min_level = 77,
.max_level = 77,
.surface = NULL,
},
{
.name = "charger/battery-charging0078",
.disp_time = 500,
.min_level = 78,
.max_level = 78,
.surface = NULL,
},
{
.name = "charger/battery-charging0079",
.disp_time = 500,
.min_level = 79,
.max_level = 79,
.surface = NULL,
},
{
.name = "charger/battery-charging0080",
.disp_time = 500,
.min_level = 80,
.max_level = 80,
.surface = NULL,
},
{
.name = "charger/battery-charging0081",
.disp_time = 500,
.min_level = 81,
.max_level = 81,
.surface = NULL,
},
{
.name = "charger/battery-charging0082",
.disp_time = 500,
.min_level = 82,
.max_level = 82,
.surface = NULL,
},
{
.name = "charger/battery-charging0083",
.disp_time = 500,
.min_level = 83,
.max_level = 83,
.surface = NULL,
},
{
.name = "charger/battery-charging0084",
.disp_time = 500,
.min_level = 84,
.max_level = 84,
.surface = NULL,
},
{
.name = "charger/battery-charging0085",
.disp_time = 500,
.min_level = 85,
.max_level = 85,
.surface = NULL,
},
{
.name = "charger/battery-charging0086",
.disp_time = 500,
.min_level = 86,
.max_level = 86,
.surface = NULL,
},
{
.name = "charger/battery-charging0087",
.disp_time = 500,
.min_level = 87,
.max_level = 87,
.surface = NULL,
},
{
.name = "charger/battery-charging0088",
.disp_time = 500,
.min_level = 88,
.max_level = 88,
.surface = NULL,
},
{
.name = "charger/battery-charging0089",
.disp_time = 500,
.min_level = 89,
.max_level = 89,
.surface = NULL,
},
{
.name = "charger/battery-charging0090",
.disp_time = 500,
.min_level = 90,
.max_level = 90,
.surface = NULL,
},
{
.name = "charger/battery-charging0091",
.disp_time = 500,
.min_level = 91,
.max_level = 91,
.surface = NULL,
},
{
.name = "charger/battery-charging0092",
.disp_time = 500,
.min_level = 92,
.max_level = 92,
.surface = NULL,
},
{
.name = "charger/battery-charging0093",
.disp_time = 500,
.min_level = 93,
.max_level = 93,
.surface = NULL,
},
{
.name = "charger/battery-charging0094",
.disp_time = 500,
.min_level = 94,
.max_level = 94,
.surface = NULL,
},
{
.name = "charger/battery-charging0095",
.disp_time = 500,
.min_level = 95,
.max_level = 95,
.surface = NULL,
},
{
.name = "charger/battery-charging0096",
.disp_time = 500,
.min_level = 96,
.max_level = 96,
.surface = NULL,
},
{
.name = "charger/battery-charging0097",
.disp_time = 500,
.min_level = 97,
.max_level = 97,
.surface = NULL,
},
{
.name = "charger/battery-charging0098",
.disp_time = 500,
.min_level = 98,
.max_level = 98,
.surface = NULL,
},
{
.name = "charger/battery-charging0099",
.disp_time = 500,
.min_level = 99,
.max_level = 99,
.surface = NULL,
},
{
.name = "charger/battery-charging0100",
.disp_time = 500,
.min_level = 100,
.max_level = 100,
.surface = NULL,
},
};
}
Charger::Charger(const sp<IHealth>& service)
: HalHealthLoop("charger", service), batt_anim_(BASE_ANIMATION) {}
Charger::~Charger() {}
/* current time in milliseconds */
static int64_t curr_time_ms() {
timespec tm;
clock_gettime(CLOCK_MONOTONIC, &tm);
return tm.tv_sec * MSEC_PER_SEC + (tm.tv_nsec / NSEC_PER_MSEC);
}
#define MAX_KLOG_WRITE_BUF_SZ 256
static void dump_last_kmsg(void) {
std::string buf;
char* ptr;
size_t len;
LOGW("\n");
LOGW("*************** LAST KMSG ***************\n");
LOGW("\n");
const char* kmsg[] = {
// clang-format off
"/sys/fs/pstore/console-ramoops-0",
"/sys/fs/pstore/console-ramoops",
"/proc/last_kmsg",
// clang-format on
};
for (size_t i = 0; i < arraysize(kmsg) && buf.empty(); ++i) {
auto fd = android_get_control_file(kmsg[i]);
if (fd >= 0) {
android::base::ReadFdToString(fd, &buf);
} else {
android::base::ReadFileToString(kmsg[i], &buf);
}
}
if (buf.empty()) {
LOGW("last_kmsg not found. Cold reset?\n");
goto out;
}
len = min(buf.size(), LAST_KMSG_MAX_SZ);
ptr = &buf[buf.size() - len];
while (len > 0) {
size_t cnt = min(len, MAX_KLOG_WRITE_BUF_SZ);
char yoink;
char* nl;
nl = (char*)memrchr(ptr, '\n', cnt - 1);
if (nl) cnt = nl - ptr + 1;
yoink = ptr[cnt];
ptr[cnt] = '\0';
klog_write(6, "<4>%s", ptr);
ptr[cnt] = yoink;
len -= cnt;
ptr += cnt;
}
out:
LOGW("\n");
LOGW("************* END LAST KMSG *************\n");
LOGW("\n");
}
static int request_suspend(bool enable) {
if (!android::sysprop::ChargerProperties::enable_suspend().value_or(false)) {
return 0;
}
if (enable)
return autosuspend_enable();
else
return autosuspend_disable();
}
static void kick_animation(animation* anim) {
anim->run = true;
}
static void reset_animation(animation* anim) {
anim->cur_cycle = 0;
anim->cur_frame = 0;
anim->run = false;
}
void Charger::UpdateScreenState(int64_t now) {
int disp_time;
if (!batt_anim_.run || now < next_screen_transition_) return;
// If battery level is not ready, keep checking in the defined time
if (health_info_.batteryLevel == 0 && health_info_.batteryStatus == BatteryStatus::UNKNOWN) {
if (wait_batt_level_timestamp_ == 0) {
// Set max delay time and skip drawing screen
wait_batt_level_timestamp_ = now + MAX_BATT_LEVEL_WAIT_TIME;
LOGV("[%" PRId64 "] wait for battery capacity ready\n", now);
return;
} else if (now <= wait_batt_level_timestamp_) {
// Do nothing, keep waiting
return;
}
// If timeout and battery level is still not ready, draw unknown battery
}
if (healthd_draw_ == nullptr) {
std::optional<bool> out_screen_on;
service()->shouldKeepScreenOn([&](Result res, bool screen_on) {
if (res == Result::SUCCESS) {
*out_screen_on = screen_on;
}
});
if (out_screen_on.has_value()) {
if (!*out_screen_on) {
LOGV("[%" PRId64 "] leave screen off\n", now);
batt_anim_.run = false;
next_screen_transition_ = -1;
if (charger_online()) request_suspend(true);
return;
}
}
healthd_draw_.reset(new HealthdDraw(&batt_anim_));
if (android::sysprop::ChargerProperties::disable_init_blank().value_or(false)) {
healthd_draw_->blank_screen(true);
screen_blanked_ = true;
}
}
/* animation is over, blank screen and leave */
if (batt_anim_.num_cycles > 0 && batt_anim_.cur_cycle == batt_anim_.num_cycles) {
reset_animation(&batt_anim_);
next_screen_transition_ = -1;
healthd_draw_->blank_screen(true);
screen_blanked_ = true;
LOGV("[%" PRId64 "] animation done\n", now);
if (charger_online()) request_suspend(true);
return;
}
disp_time = batt_anim_.frames[batt_anim_.cur_frame].disp_time;
/* unblank the screen on first cycle and first frame */
if (batt_anim_.cur_cycle == 0 && batt_anim_.cur_frame == 0) healthd_draw_->blank_screen(false);
if (screen_blanked_) {
healthd_draw_->blank_screen(false);
screen_blanked_ = false;
}
/* animation starting, set up the animation */
if (batt_anim_.cur_frame == 0) {
LOGV("[%" PRId64 "] animation starting\n", now);
batt_anim_.cur_level = health_info_.batteryLevel;
batt_anim_.cur_status = (int)health_info_.batteryStatus;
if (health_info_.batteryLevel >= 0 && batt_anim_.num_frames != 0) {
/* find first frame given current battery level */
for (int i = 0; i < batt_anim_.num_frames; i++) {
if (batt_anim_.cur_level >= batt_anim_.frames[i].min_level &&
batt_anim_.cur_level <= batt_anim_.frames[i].max_level) {
batt_anim_.cur_frame = i;
break;
}
}
if (charger_online()) {
// repeat the first frame first_frame_repeats times
disp_time = batt_anim_.frames[batt_anim_.cur_frame].disp_time *
batt_anim_.first_frame_repeats;
} else {
disp_time = UNPLUGGED_DISPLAY_TIME / batt_anim_.num_cycles;
}
LOGV("cur_frame=%d disp_time=%d\n", batt_anim_.cur_frame, disp_time);
}
}
/* draw the new frame (@ cur_frame) */
healthd_draw_->redraw_screen(&batt_anim_, surf_unknown_);
/* if we don't have anim frames, we only have one image, so just bump
* the cycle counter and exit
*/
if (batt_anim_.num_frames == 0 || batt_anim_.cur_level < 0) {
LOGW("[%" PRId64 "] animation missing or unknown battery status\n", now);
next_screen_transition_ = now + BATTERY_UNKNOWN_TIME;
batt_anim_.cur_cycle++;
return;
}
/* schedule next screen transition */
next_screen_transition_ = curr_time_ms() + disp_time;
/* advance frame cntr to the next valid frame only if we are charging
* if necessary, advance cycle cntr, and reset frame cntr
*/
if (charger_online()) {
batt_anim_.cur_frame++;
while (batt_anim_.cur_frame < batt_anim_.num_frames &&
(batt_anim_.cur_level < batt_anim_.frames[batt_anim_.cur_frame].min_level ||
batt_anim_.cur_level > batt_anim_.frames[batt_anim_.cur_frame].max_level)) {
batt_anim_.cur_frame++;
}
if (batt_anim_.cur_frame >= batt_anim_.num_frames) {
batt_anim_.cur_cycle++;
batt_anim_.cur_frame = 0;
/* don't reset the cycle counter, since we use that as a signal
* in a test above to check if animation is over
*/
}
} else {
/* Stop animating if we're not charging.
* If we stop it immediately instead of going through this loop, then
* the animation would stop somewhere in the middle.
*/
batt_anim_.cur_frame = 0;
batt_anim_.cur_cycle++;
}
}
int Charger::SetKeyCallback(int code, int value) {
int64_t now = curr_time_ms();
int down = !!value;
if (code > KEY_MAX) return -1;
/* ignore events that don't modify our state */
if (keys_[code].down == down) return 0;
/* only record the down even timestamp, as the amount
* of time the key spent not being pressed is not useful */
if (down) keys_[code].timestamp = now;
keys_[code].down = down;
keys_[code].pending = true;
if (down) {
LOGV("[%" PRId64 "] key[%d] down\n", now, code);
} else {
int64_t duration = now - keys_[code].timestamp;
int64_t secs = duration / 1000;
int64_t msecs = duration - secs * 1000;
LOGV("[%" PRId64 "] key[%d] up (was down for %" PRId64 ".%" PRId64 "sec)\n", now, code,
secs, msecs);
}
return 0;
}
void Charger::UpdateInputState(input_event* ev) {
if (ev->type != EV_KEY) return;
SetKeyCallback(ev->code, ev->value);
}
void Charger::SetNextKeyCheck(key_state* key, int64_t timeout) {
int64_t then = key->timestamp + timeout;
if (next_key_check_ == -1 || then < next_key_check_) next_key_check_ = then;
}
void Charger::ProcessKey(int code, int64_t now) {
key_state* key = &keys_[code];
if (code == KEY_POWER) {
if (key->down) {
int64_t reboot_timeout = key->timestamp + POWER_ON_KEY_TIME;
if (now >= reboot_timeout) {
/* We do not currently support booting from charger mode on
all devices. Check the property and continue booting or reboot
accordingly. */
if (property_get_bool("ro.enable_boot_charger_mode", false)) {
LOGW("[%" PRId64 "] booting from charger mode\n", now);
property_set("sys.boot_from_charger_mode", "1");
} else {
if (batt_anim_.cur_level >= boot_min_cap_) {
LOGW("[%" PRId64 "] rebooting\n", now);
reboot(RB_AUTOBOOT);
} else {
LOGV("[%" PRId64
"] ignore power-button press, battery level "
"less than minimum\n",
now);
}
}
} else {
/* if the key is pressed but timeout hasn't expired,
* make sure we wake up at the right-ish time to check
*/
SetNextKeyCheck(key, POWER_ON_KEY_TIME);
/* Turn on the display and kick animation on power-key press
* rather than on key release
*/
kick_animation(&batt_anim_);
request_suspend(false);
}
} else {
/* if the power key got released, force screen state cycle */
if (key->pending) {
kick_animation(&batt_anim_);
request_suspend(false);
}
}
}
key->pending = false;
}
void Charger::HandleInputState(int64_t now) {
ProcessKey(KEY_POWER, now);
if (next_key_check_ != -1 && now > next_key_check_) next_key_check_ = -1;
}
void Charger::HandlePowerSupplyState(int64_t now) {
int timer_shutdown = UNPLUGGED_SHUTDOWN_TIME;
if (!have_battery_state_) return;
if (!charger_online()) {
request_suspend(false);
if (next_pwr_check_ == -1) {
/* Last cycle would have stopped at the extreme top of battery-icon
* Need to show the correct level corresponding to capacity.
*
* Reset next_screen_transition_ to update screen immediately.
* Reset & kick animation to show complete animation cycles
* when charger disconnected.
*/
timer_shutdown =
property_get_int32(UNPLUGGED_SHUTDOWN_TIME_PROP, UNPLUGGED_SHUTDOWN_TIME);
next_screen_transition_ = now - 1;
reset_animation(&batt_anim_);
kick_animation(&batt_anim_);
next_pwr_check_ = now + timer_shutdown;
LOGW("[%" PRId64 "] device unplugged: shutting down in %" PRId64 " (@ %" PRId64 ")\n",
now, (int64_t)timer_shutdown, next_pwr_check_);
} else if (now >= next_pwr_check_) {
LOGW("[%" PRId64 "] shutting down\n", now);
reboot(RB_POWER_OFF);
} else {
/* otherwise we already have a shutdown timer scheduled */
}
} else {
/* online supply present, reset shutdown timer if set */
if (next_pwr_check_ != -1) {
/* Reset next_screen_transition_ to update screen immediately.
* Reset & kick animation to show complete animation cycles
* when charger connected again.
*/
request_suspend(false);
next_screen_transition_ = now - 1;
reset_animation(&batt_anim_);
kick_animation(&batt_anim_);
LOGW("[%" PRId64 "] device plugged in: shutdown cancelled\n", now);
}
next_pwr_check_ = -1;
}
}
/* Follow in ../hardware/qcom/display/liblight/lights.c */
static constexpr const char* rgb_red_blink_file = "/sys/class/leds/red/breath";
static constexpr const char* rgb_red_led_file = "/sys/class/leds/red/brightness";
static constexpr const char* rgb_green_led_file = "/sys/class/leds/green/brightness";
static constexpr const char* rgb_blue_led_file = "/sys/class/leds/blue/brightness";
using light_buffer_t = std::array<char, 128u>;
static constexpr unsigned int RGB_ON_LEVEL = 0x7F;
static constexpr unsigned int RGB_OFF_LEVEL = 0x00;
static int write_level_to_led(unsigned int level, const char* led_file)
{
const int fd = open(led_file, O_WRONLY);
if(fd < 0)
{
return -errno;
}
light_buffer_t buffer{};
const int bytes = sprintf(buffer.data(), "%u", level);
if (bytes <= 0) {
LOGE("Charging RGB: Failed on buffer init!\n");
close(fd);
return -1;
}
const int vRet = write(fd, buffer.data(), static_cast<size_t>(bytes));
LOGV("Charging RGB: Config LED %s(%d)\n", buffer.data(), vRet);
const int errno_ = errno;
close(fd);
if (vRet == -1) {
LOGE("Charging RGB: Failed at write(): %d\n", errno_);
return -errno_;
}
return 0;
}
static int write_rgb_red_led_cfg(unsigned int level)
{
const int err = write_level_to_led(level, rgb_red_led_file);
LOGV("Charging RGB: Config RED LED (%d)\n", err);
return err;
}
static int write_rgb_red_blink_cfg(unsigned int level, unsigned int onMS, unsigned int offMS)
{
int blink = 0;
if (onMS > 0 && offMS > 0) {
/*******************************
* if ON time == OFF time
* use blink mode 2
* else
* use blink mode 1
*******************************/
if (onMS == offMS) {
blink = 2;
}
else {
blink = 1;
}
}
if (blink) {
const int err = write_level_to_led(blink, rgb_red_blink_file);
if (err) {
LOGE("Charging RGB: Config RED BLINK failed!\n");
return err;
}
LOGV("Charging RGB: Config RED BLINK (%d)\n", err);
return 0;
}
return write_rgb_red_led_cfg(level);
}
static int write_rgb_green_led_cfg(unsigned int level)
{
const int err = write_level_to_led(level, rgb_green_led_file);
LOGV("Charging RGB: Config GREEN LED (%d)\n", err);
return err;
}
static int write_rgb_blue_led_cfg(unsigned int level)
{
const int err = write_level_to_led(level, rgb_blue_led_file);
LOGV("Charging RGB: Config BLUE LED (%d)\n", err);
return err;
}
static void charging_rgbled_off()
{
write_rgb_red_led_cfg(RGB_OFF_LEVEL);
write_rgb_green_led_cfg(RGB_OFF_LEVEL);
write_rgb_blue_led_cfg(RGB_OFF_LEVEL);
}
void Charger::charging_rgbled_update()
{
if (!have_battery_state_) {
LOGE("Charging RGB: There is not battery\n");
led_last_battery_level_ = -1; /* Reset record when charger plug out */
charging_rgbled_off();
return;
}
if (!charger_online()){
LOGV("Charging RGB: unplug charging\n");
led_last_battery_level_ = -1; /* Reset record when charger plug out */
charging_rgbled_off();
return;
}
const int battery_level = health_info_.batteryLevel;
if (led_last_battery_level_ == battery_level) {
return;
}
LOGV("Charging RGB: Battery Level: %d / %d\n", battery_level, led_last_battery_level_);
led_last_battery_level_ = battery_level;
if (battery_level >= 100) {
write_rgb_green_led_cfg(RGB_ON_LEVEL);
write_rgb_red_led_cfg(RGB_OFF_LEVEL);
}
else if (battery_level < 100 && battery_level >= 90) {
write_rgb_green_led_cfg(RGB_ON_LEVEL);
write_rgb_red_led_cfg(RGB_OFF_LEVEL);
}
else if (battery_level < 90 && battery_level >= 15) {
write_rgb_green_led_cfg(RGB_ON_LEVEL);
write_rgb_red_led_cfg(RGB_ON_LEVEL);
}
else if (battery_level < 15 && battery_level >= 5) {
write_rgb_green_led_cfg(RGB_OFF_LEVEL);
write_rgb_red_blink_cfg(RGB_ON_LEVEL, 0x00, 0x00);
}
else {
write_rgb_green_led_cfg(RGB_OFF_LEVEL);
write_rgb_red_blink_cfg(RGB_ON_LEVEL, 0x00, 0x00);
}
}
void Charger::Heartbeat() {
int64_t now = curr_time_ms();
HandleInputState(now);
HandlePowerSupplyState(now);
/* do screen update last in case any of the above want to start
* screen transitions (animations, etc)
*/
UpdateScreenState(now);
charging_rgbled_update();
}
void Charger::OnHealthInfoChanged(const HealthInfo_2_1& health_info) {
set_charger_online(health_info);
if (!have_battery_state_) {
have_battery_state_ = true;
next_screen_transition_ = curr_time_ms() - 1;
request_suspend(false);
reset_animation(&batt_anim_);
kick_animation(&batt_anim_);
}
health_info_ = health_info.legacy.legacy;
AdjustWakealarmPeriods(charger_online());
}
int Charger::PrepareToWait(void) {
int64_t now = curr_time_ms();
int64_t next_event = INT64_MAX;
int64_t timeout;
LOGV("[%" PRId64 "] next screen: %" PRId64 " next key: %" PRId64 " next pwr: %" PRId64 "\n",
now, next_screen_transition_, next_key_check_, next_pwr_check_);
if (next_screen_transition_ != -1) next_event = next_screen_transition_;
if (next_key_check_ != -1 && next_key_check_ < next_event) next_event = next_key_check_;
if (next_pwr_check_ != -1 && next_pwr_check_ < next_event) next_event = next_pwr_check_;
if (next_event != -1 && next_event != INT64_MAX)
timeout = max(0, next_event - now);
else
timeout = -1;
return (int)timeout;
}
int Charger::InputCallback(int fd, unsigned int epevents) {
input_event ev;
int ret;
ret = ev_get_input(fd, epevents, &ev);
if (ret) return -1;
UpdateInputState(&ev);
return 0;
}
static void charger_event_handler(HealthLoop* /*charger_loop*/, uint32_t /*epevents*/) {
int ret;
ret = ev_wait(-1);
if (!ret) ev_dispatch();
}
void Charger::InitAnimation() {
bool parse_success;
std::string content;
if (base::ReadFileToString(product_animation_desc_path, &content)) {
parse_success = parse_animation_desc(content, &batt_anim_);
batt_anim_.set_resource_root(product_animation_root);
} else if (base::ReadFileToString(animation_desc_path, &content)) {
parse_success = parse_animation_desc(content, &batt_anim_);
} else {
LOGW("Could not open animation description at %s\n", animation_desc_path);
parse_success = false;
}
if (!parse_success) {
LOGW("Could not parse animation description. Using default animation.\n");
batt_anim_ = BASE_ANIMATION;
batt_anim_.animation_file.assign("charger/battery_scale");
InitDefaultAnimationFrames();
batt_anim_.frames = owned_frames_.data();
batt_anim_.num_frames = owned_frames_.size();
}
if (batt_anim_.fail_file.empty()) {
batt_anim_.fail_file.assign("charger/battery_fail");
}
LOGV("Animation Description:\n");
LOGV(" animation: %d %d '%s' (%d)\n", batt_anim_.num_cycles, batt_anim_.first_frame_repeats,
batt_anim_.animation_file.c_str(), batt_anim_.num_frames);
LOGV(" fail_file: '%s'\n", batt_anim_.fail_file.c_str());
LOGV(" clock: %d %d %d %d %d %d '%s'\n", batt_anim_.text_clock.pos_x,
batt_anim_.text_clock.pos_y, batt_anim_.text_clock.color_r, batt_anim_.text_clock.color_g,
batt_anim_.text_clock.color_b, batt_anim_.text_clock.color_a,
batt_anim_.text_clock.font_file.c_str());
LOGV(" percent: %d %d %d %d %d %d '%s'\n", batt_anim_.text_percent.pos_x,
batt_anim_.text_percent.pos_y, batt_anim_.text_percent.color_r,
batt_anim_.text_percent.color_g, batt_anim_.text_percent.color_b,
batt_anim_.text_percent.color_a, batt_anim_.text_percent.font_file.c_str());
for (int i = 0; i < batt_anim_.num_frames; i++) {
LOGV(" frame %.2d: %d %d %d\n", i, batt_anim_.frames[i].disp_time,
batt_anim_.frames[i].min_level, batt_anim_.frames[i].max_level);
}
}
void Charger::Init(struct healthd_config* config) {
int ret;
int i;
int epollfd;
dump_last_kmsg();
LOGW("--------------- STARTING CHARGER MODE ---------------\n");
ret = ev_init(
std::bind(&Charger::InputCallback, this, std::placeholders::_1, std::placeholders::_2));
if (!ret) {
epollfd = ev_get_epollfd();
RegisterEvent(epollfd, &charger_event_handler, EVENT_WAKEUP_FD);
}
InitAnimation();
ret = res_create_display_surface(batt_anim_.fail_file.c_str(), &surf_unknown_);
if (ret < 0) {
LOGE("Cannot load custom battery_fail image. Reverting to built in: %d\n", ret);
ret = res_create_display_surface("charger/battery_fail", &surf_unknown_);
if (ret < 0) {
LOGE("Cannot load built in battery_fail image\n");
surf_unknown_ = NULL;
}
}
for (i = 0; i < batt_anim_.num_frames; i++) {
LOGW("[B]%s(%d): frame.name=%s\n", __func__, __LINE__, batt_anim_.frames[i].name);
ret = res_create_display_surface(batt_anim_.frames[i].name, &batt_anim_.frames[i].surface);
if (ret < 0) {
LOGE("Cannot load image %s\n", batt_anim_.frames[i].name);
/* TODO: free the already allocated surfaces... */
batt_anim_.num_frames = 0;
batt_anim_.num_cycles = 1;
}
}
ev_sync_key_state(std::bind(&Charger::SetKeyCallback, this, std::placeholders::_1,
std::placeholders::_2));
next_screen_transition_ = -1;
next_key_check_ = -1;
next_pwr_check_ = -1;
wait_batt_level_timestamp_ = 0;
// Retrieve healthd_config from the existing health HAL.
HalHealthLoop::Init(config);
boot_min_cap_ = config->boot_min_cap;
}
} // namespace android
int healthd_charger_main(int argc, char** argv) {
int ch;
while ((ch = getopt(argc, argv, "cr")) != -1) {
switch (ch) {
case 'c':
// -c is now a noop
break;
case 'r':
// -r is now a noop
break;
case '?':
default:
LOGE("Unrecognized charger option: %c\n", optopt);
exit(1);
}
}
Charger charger(GetHealthServiceOrDefault());
return charger.StartLoop();
}