forked from aosp-mirror/platform_system_core
-
Notifications
You must be signed in to change notification settings - Fork 0
/
healthd_mode_charger.cpp
878 lines (744 loc) · 29 KB
/
healthd_mode_charger.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
/*
* 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 <charger/healthd_mode_charger.h>
#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/logging.h>
#include <android-base/macros.h>
#include <android-base/strings.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 "healthd_draw.h"
#include <aidl/android/hardware/health/BatteryStatus.h>
#include <health/HealthLoop.h>
#include <healthd/healthd.h>
#if !defined(__ANDROID_VNDK__)
#include "charger.sysprop.h"
#endif
using std::string_literals::operator""s;
using namespace android;
using aidl::android::hardware::health::BatteryStatus;
using android::hardware::health::HealthLoop;
// 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 (5 * 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 {
#if defined(__ANDROID_VNDK__)
static constexpr const char* vendor_animation_desc_path =
"/vendor/etc/res/values/charger/animation.txt";
static constexpr const char* vendor_animation_root = "/vendor/etc/res/images/";
static constexpr const char* vendor_default_animation_root = "/vendor/etc/res/images/default/";
#else
// Legacy animation resources are loaded from this directory.
static constexpr const char* legacy_animation_root = "/res/images/";
// Built-in animation resources are loaded from this directory.
static constexpr const char* system_animation_root = "/system/etc/res/images/";
// Resources in /product/etc/res overrides resources in /res and /system/etc/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";
#endif
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_ = {
{
.disp_time = 750,
.min_level = 0,
.max_level = 19,
.surface = NULL,
},
{
.disp_time = 750,
.min_level = 0,
.max_level = 39,
.surface = NULL,
},
{
.disp_time = 750,
.min_level = 0,
.max_level = 59,
.surface = NULL,
},
{
.disp_time = 750,
.min_level = 0,
.max_level = 79,
.surface = NULL,
},
{
.disp_time = 750,
.min_level = 80,
.max_level = 95,
.surface = NULL,
},
{
.disp_time = 750,
.min_level = 0,
.max_level = 100,
.surface = NULL,
},
};
}
Charger::Charger(ChargerConfigurationInterface* configuration)
: batt_anim_(BASE_ANIMATION), configuration_(configuration) {}
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("*************** LAST KMSG ***************\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("************* END LAST KMSG *************\n");
}
int Charger::RequestEnableSuspend() {
if (!configuration_->ChargerEnableSuspend()) {
return 0;
}
return autosuspend_enable();
}
int Charger::RequestDisableSuspend() {
if (!configuration_->ChargerEnableSuspend()) {
return 0;
}
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::BlankSecScreen() {
int drm = drm_ == DRM_INNER ? 1 : 0;
if (!init_screen_) {
/* blank the secondary screen */
healthd_draw_->blank_screen(false, drm);
healthd_draw_->redraw_screen(&batt_anim_, surf_unknown_);
healthd_draw_->blank_screen(true, drm);
init_screen_ = true;
}
}
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_.battery_level == 0 && health_info_.battery_status == 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) return;
/* 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, static_cast<int>(drm_));
if (healthd_draw_->has_multiple_connectors()) {
BlankSecScreen();
}
screen_blanked_ = true;
LOGV("[%" PRId64 "] animation done\n", now);
if (configuration_->ChargerIsOnline()) {
RequestEnableSuspend();
}
return;
}
disp_time = batt_anim_.frames[batt_anim_.cur_frame].disp_time;
/* turn off all screen */
if (screen_switch_ == SCREEN_SWITCH_ENABLE) {
healthd_draw_->blank_screen(true, 0 /* drm */);
healthd_draw_->blank_screen(true, 1 /* drm */);
healthd_draw_->rotate_screen(static_cast<int>(drm_));
screen_blanked_ = true;
screen_switch_ = SCREEN_SWITCH_DISABLE;
}
if (screen_blanked_) {
healthd_draw_->blank_screen(false, static_cast<int>(drm_));
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_.battery_level;
batt_anim_.cur_status = (int)health_info_.battery_status;
if (health_info_.battery_level >= 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 (configuration_->ChargerIsOnline()) {
// 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 (configuration_->ChargerIsOnline()) {
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;
}
int Charger::SetSwCallback(int code, int value) {
if (code > SW_MAX) return -1;
if (code == SW_LID) {
if ((screen_switch_ == SCREEN_SWITCH_DEFAULT) || ((value != 0) && (drm_ == DRM_INNER)) ||
((value == 0) && (drm_ == DRM_OUTER))) {
screen_switch_ = SCREEN_SWITCH_ENABLE;
drm_ = (value != 0) ? DRM_OUTER : DRM_INNER;
keys_[code].pending = true;
}
}
return 0;
}
void Charger::UpdateInputState(input_event* ev) {
if (ev->type == EV_SW && ev->code == SW_LID) {
SetSwCallback(ev->code, ev->value);
return;
}
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_);
RequestDisableSuspend();
}
} else {
/* if the power key got released, force screen state cycle */
if (key->pending) {
kick_animation(&batt_anim_);
RequestDisableSuspend();
}
}
}
key->pending = false;
}
void Charger::ProcessHallSensor(int code) {
key_state* key = &keys_[code];
if (code == SW_LID) {
if (key->pending) {
reset_animation(&batt_anim_);
kick_animation(&batt_anim_);
RequestDisableSuspend();
}
}
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;
ProcessHallSensor(SW_LID);
}
void Charger::HandlePowerSupplyState(int64_t now) {
int timer_shutdown = UNPLUGGED_SHUTDOWN_TIME;
if (!have_battery_state_) return;
if (!configuration_->ChargerIsOnline()) {
RequestDisableSuspend();
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.
*/
RequestDisableSuspend();
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;
}
}
void Charger::OnHeartbeat() {
// charger* charger = &charger_state;
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);
}
void Charger::OnHealthInfoChanged(const ChargerHealthInfo& health_info) {
if (!have_battery_state_) {
have_battery_state_ = true;
next_screen_transition_ = curr_time_ms() - 1;
RequestDisableSuspend();
reset_animation(&batt_anim_);
kick_animation(&batt_anim_);
}
health_info_ = health_info;
if (property_get_bool("ro.charger_mode_autoboot", false)) {
if (health_info_.battery_level >= boot_min_cap_) {
if (property_get_bool("ro.enable_boot_charger_mode", false)) {
LOGW("booting from charger mode\n");
property_set("sys.boot_from_charger_mode", "1");
} else {
LOGW("Battery SOC = %d%%, Automatically rebooting\n", health_info_.battery_level);
reboot(RB_AUTOBOOT);
}
}
}
}
int Charger::OnPrepareToWait(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 defined(__ANDROID_VNDK__)
if (base::ReadFileToString(vendor_animation_desc_path, &content)) {
parse_success = parse_animation_desc(content, &batt_anim_);
batt_anim_.set_resource_root(vendor_animation_root);
} else {
LOGW("Could not open animation description at %s\n", vendor_animation_desc_path);
parse_success = false;
}
#else
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_);
// Fallback resources always exist in system_animation_root. On legacy devices with an old
// ramdisk image, resources may be overridden under root. For example,
// /res/images/charger/battery_fail.png may not be the same as
// system/core/healthd/images/battery_fail.png in the source tree, but is a device-specific
// image. Hence, load from /res, and fall back to /system/etc/res.
batt_anim_.set_resource_root(legacy_animation_root, system_animation_root);
} else {
LOGW("Could not open animation description at %s\n", animation_desc_path);
parse_success = false;
}
#endif
#if defined(__ANDROID_VNDK__)
auto default_animation_root = vendor_default_animation_root;
#else
auto default_animation_root = system_animation_root;
#endif
if (!parse_success) {
LOGW("Could not parse animation description. "
"Using default animation with resources at %s\n",
default_animation_root);
batt_anim_ = BASE_ANIMATION;
batt_anim_.animation_file.assign(default_animation_root + "charger/battery_scale.png"s);
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(default_animation_root + "charger/battery_fail.png"s);
}
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::InitHealthdDraw() {
if (healthd_draw_ == nullptr) {
std::optional<bool> out_screen_on = configuration_->ChargerShouldKeepScreenOn();
if (out_screen_on.has_value()) {
if (!*out_screen_on) {
LOGV("[%" PRId64 "] leave screen off\n", curr_time_ms());
batt_anim_.run = false;
next_screen_transition_ = -1;
if (configuration_->ChargerIsOnline()) {
RequestEnableSuspend();
}
return;
}
}
healthd_draw_ = HealthdDraw::Create(&batt_anim_);
if (healthd_draw_ == nullptr) return;
#if !defined(__ANDROID_VNDK__)
if (android::sysprop::ChargerProperties::disable_init_blank().value_or(false)) {
healthd_draw_->blank_screen(true, static_cast<int>(drm_));
screen_blanked_ = true;
}
#endif
}
}
void Charger::OnInit(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();
configuration_->ChargerRegisterEvent(epollfd, &charger_event_handler, EVENT_WAKEUP_FD);
}
InitAnimation();
InitHealthdDraw();
ret = CreateDisplaySurface(batt_anim_.fail_file, &surf_unknown_);
if (ret < 0) {
#if !defined(__ANDROID_VNDK__)
LOGE("Cannot load custom battery_fail image. Reverting to built in: %d\n", ret);
ret = CreateDisplaySurface((system_animation_root + "charger/battery_fail.png"s).c_str(),
&surf_unknown_);
#endif
if (ret < 0) {
LOGE("Cannot load built in battery_fail image\n");
surf_unknown_ = NULL;
}
}
GRSurface** scale_frames;
int scale_count;
int scale_fps; // Not in use (charger/battery_scale doesn't have FPS text
// chunk). We are using hard-coded frame.disp_time instead.
ret = CreateMultiDisplaySurface(batt_anim_.animation_file, &scale_count, &scale_fps,
&scale_frames);
if (ret < 0) {
LOGE("Cannot load battery_scale image\n");
batt_anim_.num_frames = 0;
batt_anim_.num_cycles = 1;
} else if (scale_count != batt_anim_.num_frames) {
LOGE("battery_scale image has unexpected frame count (%d, expected %d)\n", scale_count,
batt_anim_.num_frames);
batt_anim_.num_frames = 0;
batt_anim_.num_cycles = 1;
} else {
for (i = 0; i < batt_anim_.num_frames; i++) {
batt_anim_.frames[i].surface = scale_frames[i];
}
}
drm_ = DRM_INNER;
screen_switch_ = SCREEN_SWITCH_DEFAULT;
ev_sync_key_state(std::bind(&Charger::SetKeyCallback, this, std::placeholders::_1,
std::placeholders::_2));
(void)ev_sync_sw_state(
std::bind(&Charger::SetSwCallback, 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.
configuration_->ChargerInitConfig(config);
boot_min_cap_ = config->boot_min_cap;
}
int Charger::CreateDisplaySurface(const std::string& name, GRSurface** surface) {
return res_create_display_surface(name.c_str(), surface);
}
int Charger::CreateMultiDisplaySurface(const std::string& name, int* frames, int* fps,
GRSurface*** surface) {
return res_create_multi_display_surface(name.c_str(), frames, fps, surface);
}
void set_resource_root_for(const std::string& root, const std::string& backup_root,
std::string* value) {
if (value->empty()) {
return;
}
std::string new_value = root + *value + ".png";
// If |backup_root| is provided, additionally check whether the file under |root| is
// accessible or not. If not accessible, fallback to file under |backup_root|.
if (!backup_root.empty() && access(new_value.data(), F_OK) == -1) {
new_value = backup_root + *value + ".png";
}
*value = new_value;
}
void animation::set_resource_root(const std::string& root, const std::string& backup_root) {
CHECK(android::base::StartsWith(root, "/") && android::base::EndsWith(root, "/"))
<< "animation root " << root << " must start and end with /";
CHECK(backup_root.empty() || (android::base::StartsWith(backup_root, "/") &&
android::base::EndsWith(backup_root, "/")))
<< "animation backup root " << backup_root << " must start and end with /";
set_resource_root_for(root, backup_root, &animation_file);
set_resource_root_for(root, backup_root, &fail_file);
set_resource_root_for(root, backup_root, &text_clock.font_file);
set_resource_root_for(root, backup_root, &text_percent.font_file);
}
} // namespace android