summaryrefslogtreecommitdiffstats
path: root/charger/charger.c
diff options
context:
space:
mode:
Diffstat (limited to 'charger/charger.c')
-rw-r--r--charger/charger.c1015
1 files changed, 0 insertions, 1015 deletions
diff --git a/charger/charger.c b/charger/charger.c
deleted file mode 100644
index 66ddeaf..0000000
--- a/charger/charger.c
+++ /dev/null
@@ -1,1015 +0,0 @@
-/*
- * Copyright (C) 2011 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.
- */
-
-//#define DEBUG_UEVENTS
-#define CHARGER_KLOG_LEVEL 6
-
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <linux/input.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/poll.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/un.h>
-#include <time.h>
-#include <unistd.h>
-
-#include <sys/socket.h>
-#include <linux/netlink.h>
-
-#include <cutils/android_reboot.h>
-#include <cutils/klog.h>
-#include <cutils/list.h>
-#include <cutils/misc.h>
-#include <cutils/uevent.h>
-
-#ifdef CHARGER_ENABLE_SUSPEND
-#include <suspend/autosuspend.h>
-#endif
-
-#include "minui/minui.h"
-
-#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 BATTERY_FULL_THRESH 95
-
-#define LAST_KMSG_PATH "/proc/last_kmsg"
-#define LAST_KMSG_MAX_SZ (32 * 1024)
-
-#define LOGE(x...) do { KLOG_ERROR("charger", x); } while (0)
-#define LOGI(x...) do { KLOG_INFO("charger", x); } while (0)
-#define LOGV(x...) do { KLOG_DEBUG("charger", x); } while (0)
-
-struct key_state {
- bool pending;
- bool down;
- int64_t timestamp;
-};
-
-struct power_supply {
- struct listnode list;
- char name[256];
- char type[32];
- bool online;
- bool valid;
- char cap_path[PATH_MAX];
-};
-
-struct frame {
- const char *name;
- int disp_time;
- int min_capacity;
- bool level_only;
-
- gr_surface surface;
-};
-
-struct animation {
- bool run;
-
- struct frame *frames;
- int cur_frame;
- int num_frames;
-
- int cur_cycle;
- int num_cycles;
-
- /* current capacity being animated */
- int capacity;
-};
-
-struct charger {
- int64_t next_screen_transition;
- int64_t next_key_check;
- int64_t next_pwr_check;
-
- struct key_state keys[KEY_MAX + 1];
- int uevent_fd;
-
- struct listnode supplies;
- int num_supplies;
- int num_supplies_online;
-
- struct animation *batt_anim;
- gr_surface surf_unknown;
-
- struct power_supply *battery;
-};
-
-struct uevent {
- const char *action;
- const char *path;
- const char *subsystem;
- const char *ps_name;
- const char *ps_type;
- const char *ps_online;
-};
-
-static struct frame batt_anim_frames[] = {
- {
- .name = "charger/battery_0",
- .disp_time = 750,
- .min_capacity = 0,
- },
- {
- .name = "charger/battery_1",
- .disp_time = 750,
- .min_capacity = 20,
- },
- {
- .name = "charger/battery_2",
- .disp_time = 750,
- .min_capacity = 40,
- },
- {
- .name = "charger/battery_3",
- .disp_time = 750,
- .min_capacity = 60,
- },
- {
- .name = "charger/battery_4",
- .disp_time = 750,
- .min_capacity = 80,
- .level_only = true,
- },
- {
- .name = "charger/battery_5",
- .disp_time = 750,
- .min_capacity = BATTERY_FULL_THRESH,
- },
-};
-
-static struct animation battery_animation = {
- .frames = batt_anim_frames,
- .num_frames = ARRAY_SIZE(batt_anim_frames),
- .num_cycles = 3,
-};
-
-static struct charger charger_state = {
- .batt_anim = &battery_animation,
-};
-
-static int char_width;
-static int char_height;
-
-/* current time in milliseconds */
-static int64_t curr_time_ms(void)
-{
- struct timespec tm;
- clock_gettime(CLOCK_MONOTONIC, &tm);
- return tm.tv_sec * MSEC_PER_SEC + (tm.tv_nsec / NSEC_PER_MSEC);
-}
-
-static void clear_screen(void)
-{
- gr_color(0, 0, 0, 255);
- gr_fill(0, 0, gr_fb_width(), gr_fb_height());
-};
-
-#define MAX_KLOG_WRITE_BUF_SZ 256
-
-static void dump_last_kmsg(void)
-{
- char *buf;
- char *ptr;
- unsigned sz = 0;
- int len;
-
- LOGI("\n");
- LOGI("*************** LAST KMSG ***************\n");
- LOGI("\n");
- buf = load_file(LAST_KMSG_PATH, &sz);
- if (!buf || !sz) {
- LOGI("last_kmsg not found. Cold reset?\n");
- goto out;
- }
-
- len = min(sz, LAST_KMSG_MAX_SZ);
- ptr = buf + (sz - len);
-
- while (len > 0) {
- int cnt = min(len, MAX_KLOG_WRITE_BUF_SZ);
- char yoink;
- char *nl;
-
- nl = memrchr(ptr, '\n', cnt - 1);
- if (nl)
- cnt = nl - ptr + 1;
-
- yoink = ptr[cnt];
- ptr[cnt] = '\0';
- klog_write(6, "<6>%s", ptr);
- ptr[cnt] = yoink;
-
- len -= cnt;
- ptr += cnt;
- }
-
- free(buf);
-
-out:
- LOGI("\n");
- LOGI("************* END LAST KMSG *************\n");
- LOGI("\n");
-}
-
-static int read_file(const char *path, char *buf, size_t sz)
-{
- int fd;
- size_t cnt;
-
- fd = open(path, O_RDONLY, 0);
- if (fd < 0)
- goto err;
-
- cnt = read(fd, buf, sz - 1);
- if (cnt <= 0)
- goto err;
- buf[cnt] = '\0';
- if (buf[cnt - 1] == '\n') {
- cnt--;
- buf[cnt] = '\0';
- }
-
- close(fd);
- return cnt;
-
-err:
- if (fd >= 0)
- close(fd);
- return -1;
-}
-
-static int read_file_int(const char *path, int *val)
-{
- char buf[32];
- int ret;
- int tmp;
- char *end;
-
- ret = read_file(path, buf, sizeof(buf));
- if (ret < 0)
- return -1;
-
- tmp = strtol(buf, &end, 0);
- if (end == buf ||
- ((end < buf+sizeof(buf)) && (*end != '\n' && *end != '\0')))
- goto err;
-
- *val = tmp;
- return 0;
-
-err:
- return -1;
-}
-
-static int get_battery_capacity(struct charger *charger)
-{
- int ret;
- int batt_cap = -1;
-
- if (!charger->battery)
- return -1;
-
- ret = read_file_int(charger->battery->cap_path, &batt_cap);
- if (ret < 0 || batt_cap > 100) {
- batt_cap = -1;
- }
-
- return batt_cap;
-}
-
-static struct power_supply *find_supply(struct charger *charger,
- const char *name)
-{
- struct listnode *node;
- struct power_supply *supply;
-
- list_for_each(node, &charger->supplies) {
- supply = node_to_item(node, struct power_supply, list);
- if (!strncmp(name, supply->name, sizeof(supply->name)))
- return supply;
- }
- return NULL;
-}
-
-static struct power_supply *add_supply(struct charger *charger,
- const char *name, const char *type,
- const char *path, bool online)
-{
- struct power_supply *supply;
-
- supply = calloc(1, sizeof(struct power_supply));
- if (!supply)
- return NULL;
-
- strlcpy(supply->name, name, sizeof(supply->name));
- strlcpy(supply->type, type, sizeof(supply->type));
- snprintf(supply->cap_path, sizeof(supply->cap_path),
- "/sys/%s/capacity", path);
- supply->online = online;
- list_add_tail(&charger->supplies, &supply->list);
- charger->num_supplies++;
- LOGV("... added %s %s %d\n", supply->name, supply->type, online);
- return supply;
-}
-
-static void remove_supply(struct charger *charger, struct power_supply *supply)
-{
- if (!supply)
- return;
- list_remove(&supply->list);
- charger->num_supplies--;
- free(supply);
-}
-
-#ifdef CHARGER_ENABLE_SUSPEND
-static int request_suspend(bool enable)
-{
- if (enable)
- return autosuspend_enable();
- else
- return autosuspend_disable();
-}
-#else
-static int request_suspend(bool enable)
-{
- return 0;
-}
-#endif
-
-static void parse_uevent(const char *msg, struct uevent *uevent)
-{
- uevent->action = "";
- uevent->path = "";
- uevent->subsystem = "";
- uevent->ps_name = "";
- uevent->ps_online = "";
- uevent->ps_type = "";
-
- /* currently ignoring SEQNUM */
- while (*msg) {
-#ifdef DEBUG_UEVENTS
- LOGV("uevent str: %s\n", msg);
-#endif
- if (!strncmp(msg, "ACTION=", 7)) {
- msg += 7;
- uevent->action = msg;
- } else if (!strncmp(msg, "DEVPATH=", 8)) {
- msg += 8;
- uevent->path = msg;
- } else if (!strncmp(msg, "SUBSYSTEM=", 10)) {
- msg += 10;
- uevent->subsystem = msg;
- } else if (!strncmp(msg, "POWER_SUPPLY_NAME=", 18)) {
- msg += 18;
- uevent->ps_name = msg;
- } else if (!strncmp(msg, "POWER_SUPPLY_ONLINE=", 20)) {
- msg += 20;
- uevent->ps_online = msg;
- } else if (!strncmp(msg, "POWER_SUPPLY_TYPE=", 18)) {
- msg += 18;
- uevent->ps_type = msg;
- }
-
- /* advance to after the next \0 */
- while (*msg++)
- ;
- }
-
- LOGV("event { '%s', '%s', '%s', '%s', '%s', '%s' }\n",
- uevent->action, uevent->path, uevent->subsystem,
- uevent->ps_name, uevent->ps_type, uevent->ps_online);
-}
-
-static void process_ps_uevent(struct charger *charger, struct uevent *uevent)
-{
- int online;
- char ps_type[32];
- struct power_supply *supply = NULL;
- int i;
- bool was_online = false;
- bool battery = false;
-
- if (uevent->ps_type[0] == '\0') {
- char *path;
- int ret;
-
- if (uevent->path[0] == '\0')
- return;
- ret = asprintf(&path, "/sys/%s/type", uevent->path);
- if (ret <= 0)
- return;
- ret = read_file(path, ps_type, sizeof(ps_type));
- free(path);
- if (ret < 0)
- return;
- } else {
- strlcpy(ps_type, uevent->ps_type, sizeof(ps_type));
- }
-
- if (!strncmp(ps_type, "Battery", 7))
- battery = true;
-
- online = atoi(uevent->ps_online);
- supply = find_supply(charger, uevent->ps_name);
- if (supply) {
- was_online = supply->online;
- supply->online = online;
- }
-
- if (!strcmp(uevent->action, "add")) {
- if (!supply) {
- supply = add_supply(charger, uevent->ps_name, ps_type, uevent->path,
- online);
- if (!supply) {
- LOGE("cannot add supply '%s' (%s %d)\n", uevent->ps_name,
- uevent->ps_type, online);
- return;
- }
- /* only pick up the first battery for now */
- if (battery && !charger->battery)
- charger->battery = supply;
- } else {
- LOGE("supply '%s' already exists..\n", uevent->ps_name);
- }
- } else if (!strcmp(uevent->action, "remove")) {
- if (supply) {
- if (charger->battery == supply)
- charger->battery = NULL;
- remove_supply(charger, supply);
- supply = NULL;
- }
- } else if (!strcmp(uevent->action, "change")) {
- if (!supply) {
- LOGE("power supply '%s' not found ('%s' %d)\n",
- uevent->ps_name, ps_type, online);
- return;
- }
- } else {
- return;
- }
-
- /* allow battery to be managed in the supply list but make it not
- * contribute to online power supplies. */
- if (!battery) {
- if (was_online && !online)
- charger->num_supplies_online--;
- else if (supply && !was_online && online)
- charger->num_supplies_online++;
- }
-
- LOGI("power supply %s (%s) %s (action=%s num_online=%d num_supplies=%d)\n",
- uevent->ps_name, ps_type, battery ? "" : online ? "online" : "offline",
- uevent->action, charger->num_supplies_online, charger->num_supplies);
-}
-
-static void process_uevent(struct charger *charger, struct uevent *uevent)
-{
- if (!strcmp(uevent->subsystem, "power_supply"))
- process_ps_uevent(charger, uevent);
-}
-
-#define UEVENT_MSG_LEN 1024
-static int handle_uevent_fd(struct charger *charger, int fd)
-{
- char msg[UEVENT_MSG_LEN+2];
- int n;
-
- if (fd < 0)
- return -1;
-
- while (true) {
- struct uevent uevent;
-
- n = uevent_kernel_multicast_recv(fd, msg, UEVENT_MSG_LEN);
- if (n <= 0)
- break;
- if (n >= UEVENT_MSG_LEN) /* overflow -- discard */
- continue;
-
- msg[n] = '\0';
- msg[n+1] = '\0';
-
- parse_uevent(msg, &uevent);
- process_uevent(charger, &uevent);
- }
-
- return 0;
-}
-
-static int uevent_callback(int fd, short revents, void *data)
-{
- struct charger *charger = data;
-
- if (!(revents & POLLIN))
- return -1;
- return handle_uevent_fd(charger, fd);
-}
-
-/* force the kernel to regenerate the change events for the existing
- * devices, if valid */
-static void do_coldboot(struct charger *charger, DIR *d, const char *event,
- bool follow_links, int max_depth)
-{
- struct dirent *de;
- int dfd, fd;
-
- dfd = dirfd(d);
-
- fd = openat(dfd, "uevent", O_WRONLY);
- if (fd >= 0) {
- write(fd, event, strlen(event));
- close(fd);
- handle_uevent_fd(charger, charger->uevent_fd);
- }
-
- while ((de = readdir(d)) && max_depth > 0) {
- DIR *d2;
-
- LOGV("looking at '%s'\n", de->d_name);
-
- if ((de->d_type != DT_DIR && !(de->d_type == DT_LNK && follow_links)) ||
- de->d_name[0] == '.') {
- LOGV("skipping '%s' type %d (depth=%d follow=%d)\n",
- de->d_name, de->d_type, max_depth, follow_links);
- continue;
- }
- LOGV("can descend into '%s'\n", de->d_name);
-
- fd = openat(dfd, de->d_name, O_RDONLY | O_DIRECTORY);
- if (fd < 0) {
- LOGE("cannot openat %d '%s' (%d: %s)\n", dfd, de->d_name,
- errno, strerror(errno));
- continue;
- }
-
- d2 = fdopendir(fd);
- if (d2 == 0)
- close(fd);
- else {
- LOGV("opened '%s'\n", de->d_name);
- do_coldboot(charger, d2, event, follow_links, max_depth - 1);
- closedir(d2);
- }
- }
-}
-
-static void coldboot(struct charger *charger, const char *path,
- const char *event)
-{
- char str[256];
-
- LOGV("doing coldboot '%s' in '%s'\n", event, path);
- DIR *d = opendir(path);
- if (d) {
- snprintf(str, sizeof(str), "%s\n", event);
- do_coldboot(charger, d, str, true, 1);
- closedir(d);
- }
-}
-
-static int draw_text(const char *str, int x, int y)
-{
- int str_len_px = gr_measure(str);
-
- if (x < 0)
- x = (gr_fb_width() - str_len_px) / 2;
- if (y < 0)
- y = (gr_fb_height() - char_height) / 2;
- gr_text(x, y, str, 0);
-
- return y + char_height;
-}
-
-static void android_green(void)
-{
- gr_color(0xa4, 0xc6, 0x39, 255);
-}
-
-/* returns the last y-offset of where the surface ends */
-static int draw_surface_centered(struct charger *charger, gr_surface surface)
-{
- int w;
- int h;
- int x;
- int y;
-
- w = gr_get_width(surface);
- h = gr_get_height(surface);
- x = (gr_fb_width() - w) / 2 ;
- y = (gr_fb_height() - h) / 2 ;
-
- LOGV("drawing surface %dx%d+%d+%d\n", w, h, x, y);
- gr_blit(surface, 0, 0, w, h, x, y);
- return y + h;
-}
-
-static void draw_unknown(struct charger *charger)
-{
- int y;
- if (charger->surf_unknown) {
- draw_surface_centered(charger, charger->surf_unknown);
- } else {
- android_green();
- y = draw_text("Charging!", -1, -1);
- draw_text("?\?/100", -1, y + 25);
- }
-}
-
-static void draw_battery(struct charger *charger)
-{
- struct animation *batt_anim = charger->batt_anim;
- struct frame *frame = &batt_anim->frames[batt_anim->cur_frame];
-
- if (batt_anim->num_frames != 0) {
- draw_surface_centered(charger, frame->surface);
- LOGV("drawing frame #%d name=%s min_cap=%d time=%d\n",
- batt_anim->cur_frame, frame->name, frame->min_capacity,
- frame->disp_time);
- }
-}
-
-static void redraw_screen(struct charger *charger)
-{
- struct animation *batt_anim = charger->batt_anim;
-
- clear_screen();
-
- /* try to display *something* */
- if (batt_anim->capacity < 0 || batt_anim->num_frames == 0)
- draw_unknown(charger);
- else
- draw_battery(charger);
- gr_flip();
-}
-
-static void kick_animation(struct animation *anim)
-{
- anim->run = true;
-}
-
-static void reset_animation(struct animation *anim)
-{
- anim->cur_cycle = 0;
- anim->cur_frame = 0;
- anim->run = false;
-}
-
-static void update_screen_state(struct charger *charger, int64_t now)
-{
- struct animation *batt_anim = charger->batt_anim;
- int cur_frame;
- int disp_time;
-
- if (!batt_anim->run || now < charger->next_screen_transition)
- return;
-
- /* animation is over, blank screen and leave */
- if (batt_anim->cur_cycle == batt_anim->num_cycles) {
- reset_animation(batt_anim);
- charger->next_screen_transition = -1;
- gr_fb_blank(true);
- LOGV("[%lld] animation done\n", now);
- if (charger->num_supplies_online > 0)
- request_suspend(true);
- return;
- }
-
- disp_time = batt_anim->frames[batt_anim->cur_frame].disp_time;
-
- /* animation starting, set up the animation */
- if (batt_anim->cur_frame == 0) {
- int batt_cap;
- int ret;
-
- LOGV("[%lld] animation starting\n", now);
- batt_cap = get_battery_capacity(charger);
- if (batt_cap >= 0 && batt_anim->num_frames != 0) {
- int i;
-
- /* find first frame given current capacity */
- for (i = 1; i < batt_anim->num_frames; i++) {
- if (batt_cap < batt_anim->frames[i].min_capacity)
- break;
- }
- batt_anim->cur_frame = i - 1;
-
- /* show the first frame for twice as long */
- disp_time = batt_anim->frames[batt_anim->cur_frame].disp_time * 2;
- }
-
- batt_anim->capacity = batt_cap;
- }
-
- /* unblank the screen on first cycle */
- if (batt_anim->cur_cycle == 0)
- gr_fb_blank(false);
-
- /* draw the new frame (@ cur_frame) */
- redraw_screen(charger);
-
- /* 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->capacity < 0) {
- LOGV("[%lld] animation missing or unknown battery status\n", now);
- charger->next_screen_transition = now + BATTERY_UNKNOWN_TIME;
- batt_anim->cur_cycle++;
- return;
- }
-
- /* schedule next screen transition */
- charger->next_screen_transition = now + disp_time;
-
- /* advance frame cntr to the next valid frame
- * if necessary, advance cycle cntr, and reset frame cntr
- */
- batt_anim->cur_frame++;
-
- /* if the frame is used for level-only, that is only show it when it's
- * the current level, skip it during the animation.
- */
- while (batt_anim->cur_frame < batt_anim->num_frames &&
- batt_anim->frames[batt_anim->cur_frame].level_only)
- 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
- */
- }
-}
-
-static int set_key_callback(int code, int value, void *data)
-{
- struct charger *charger = data;
- int64_t now = curr_time_ms();
- int down = !!value;
-
- if (code > KEY_MAX)
- return -1;
-
- /* ignore events that don't modify our state */
- if (charger->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)
- charger->keys[code].timestamp = now;
- charger->keys[code].down = down;
- charger->keys[code].pending = true;
- if (down) {
- LOGV("[%lld] key[%d] down\n", now, code);
- } else {
- int64_t duration = now - charger->keys[code].timestamp;
- int64_t secs = duration / 1000;
- int64_t msecs = duration - secs * 1000;
- LOGV("[%lld] key[%d] up (was down for %lld.%lldsec)\n", now,
- code, secs, msecs);
- }
-
- return 0;
-}
-
-static void update_input_state(struct charger *charger,
- struct input_event *ev)
-{
- if (ev->type != EV_KEY)
- return;
- set_key_callback(ev->code, ev->value, charger);
-}
-
-static void set_next_key_check(struct charger *charger,
- struct key_state *key,
- int64_t timeout)
-{
- int64_t then = key->timestamp + timeout;
-
- if (charger->next_key_check == -1 || then < charger->next_key_check)
- charger->next_key_check = then;
-}
-
-static void process_key(struct charger *charger, int code, int64_t now)
-{
- struct key_state *key = &charger->keys[code];
- int64_t next_key_check;
-
- if (code == KEY_POWER) {
- if (key->down) {
- int64_t reboot_timeout = key->timestamp + POWER_ON_KEY_TIME;
- if (now >= reboot_timeout) {
- LOGI("[%lld] rebooting\n", now);
- android_reboot(ANDROID_RB_RESTART, 0, 0);
- } else {
- /* if the key is pressed but timeout hasn't expired,
- * make sure we wake up at the right-ish time to check
- */
- set_next_key_check(charger, key, POWER_ON_KEY_TIME);
- }
- } else {
- /* if the power key got released, force screen state cycle */
- if (key->pending) {
- request_suspend(false);
- kick_animation(charger->batt_anim);
- }
- }
- }
-
- key->pending = false;
-}
-
-static void handle_input_state(struct charger *charger, int64_t now)
-{
- process_key(charger, KEY_POWER, now);
-
- if (charger->next_key_check != -1 && now > charger->next_key_check)
- charger->next_key_check = -1;
-}
-
-static void handle_power_supply_state(struct charger *charger, int64_t now)
-{
- if (charger->num_supplies_online == 0) {
- request_suspend(false);
- if (charger->next_pwr_check == -1) {
- charger->next_pwr_check = now + UNPLUGGED_SHUTDOWN_TIME;
- LOGI("[%lld] device unplugged: shutting down in %lld (@ %lld)\n",
- now, UNPLUGGED_SHUTDOWN_TIME, charger->next_pwr_check);
- } else if (now >= charger->next_pwr_check) {
- LOGI("[%lld] shutting down\n", now);
- android_reboot(ANDROID_RB_POWEROFF, 0, 0);
- } else {
- /* otherwise we already have a shutdown timer scheduled */
- }
- } else {
- /* online supply present, reset shutdown timer if set */
- if (charger->next_pwr_check != -1) {
- LOGI("[%lld] device plugged in: shutdown cancelled\n", now);
- kick_animation(charger->batt_anim);
- }
- charger->next_pwr_check = -1;
- }
-}
-
-static void wait_next_event(struct charger *charger, int64_t now)
-{
- int64_t next_event = INT64_MAX;
- int64_t timeout;
- struct input_event ev;
- int ret;
-
- LOGV("[%lld] next screen: %lld next key: %lld next pwr: %lld\n", now,
- charger->next_screen_transition, charger->next_key_check,
- charger->next_pwr_check);
-
- if (charger->next_screen_transition != -1)
- next_event = charger->next_screen_transition;
- if (charger->next_key_check != -1 && charger->next_key_check < next_event)
- next_event = charger->next_key_check;
- if (charger->next_pwr_check != -1 && charger->next_pwr_check < next_event)
- next_event = charger->next_pwr_check;
-
- if (next_event != -1 && next_event != INT64_MAX)
- timeout = max(0, next_event - now);
- else
- timeout = -1;
- LOGV("[%lld] blocking (%lld)\n", now, timeout);
- ret = ev_wait((int)timeout);
- if (!ret)
- ev_dispatch();
-}
-
-static int input_callback(int fd, short revents, void *data)
-{
- struct charger *charger = data;
- struct input_event ev;
- int ret;
-
- ret = ev_get_input(fd, revents, &ev);
- if (ret)
- return -1;
- update_input_state(charger, &ev);
- return 0;
-}
-
-static void event_loop(struct charger *charger)
-{
- int ret;
-
- while (true) {
- int64_t now = curr_time_ms();
-
- LOGV("[%lld] event_loop()\n", now);
- handle_input_state(charger, now);
- handle_power_supply_state(charger, now);
-
- /* do screen update last in case any of the above want to start
- * screen transitions (animations, etc)
- */
- update_screen_state(charger, now);
-
- wait_next_event(charger, now);
- }
-}
-
-int main(int argc, char **argv)
-{
- int ret;
- struct charger *charger = &charger_state;
- int64_t now = curr_time_ms() - 1;
- int fd;
- int i;
-
- list_init(&charger->supplies);
-
- klog_init();
- klog_set_level(CHARGER_KLOG_LEVEL);
-
- dump_last_kmsg();
-
- LOGI("--------------- STARTING CHARGER MODE ---------------\n");
-
- gr_init();
- gr_font_size(&char_width, &char_height);
-
- ev_init(input_callback, charger);
-
- fd = uevent_open_socket(64*1024, true);
- if (fd >= 0) {
- fcntl(fd, F_SETFL, O_NONBLOCK);
- ev_add_fd(fd, uevent_callback, charger);
- }
- charger->uevent_fd = fd;
- coldboot(charger, "/sys/class/power_supply", "add");
-
- ret = res_create_surface("charger/battery_fail", &charger->surf_unknown);
- if (ret < 0) {
- LOGE("Cannot load image\n");
- charger->surf_unknown = NULL;
- }
-
- for (i = 0; i < charger->batt_anim->num_frames; i++) {
- struct frame *frame = &charger->batt_anim->frames[i];
-
- ret = res_create_surface(frame->name, &frame->surface);
- if (ret < 0) {
- LOGE("Cannot load image %s\n", frame->name);
- /* TODO: free the already allocated surfaces... */
- charger->batt_anim->num_frames = 0;
- charger->batt_anim->num_cycles = 1;
- break;
- }
- }
-
- ev_sync_key_state(set_key_callback, charger);
-
-#ifndef CHARGER_DISABLE_INIT_BLANK
- gr_fb_blank(true);
-#endif
-
- charger->next_screen_transition = now - 1;
- charger->next_key_check = -1;
- charger->next_pwr_check = -1;
- reset_animation(charger->batt_anim);
- kick_animation(charger->batt_anim);
-
- event_loop(charger);
-
- return 0;
-}