diff options
Diffstat (limited to 'charger/charger.c')
| -rw-r--r-- | charger/charger.c | 1026 |
1 files changed, 0 insertions, 1026 deletions
diff --git a/charger/charger.c b/charger/charger.c deleted file mode 100644 index 15add87..0000000 --- a/charger/charger.c +++ /dev/null @@ -1,1026 +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> -#include <cutils/properties.h> - -#ifdef CHARGER_ENABLE_SUSPEND -#include <suspend/autosuspend.h> -#endif - -#include "minui/minui.h" - -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 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 { - 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[] = { - { - .disp_time = 750, - .min_capacity = 0, - }, - { - .disp_time = 750, - .min_capacity = 20, - }, - { - .disp_time = 750, - .min_capacity = 40, - }, - { - .disp_time = 750, - .min_capacity = 60, - }, - { - .disp_time = 750, - .min_capacity = 80, - .level_only = true, - }, - { - .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_clear(); -} - -#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 min_cap=%d time=%d\n", - batt_anim->cur_frame, 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) { - /* 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)) { - LOGI("[%lld] booting from charger mode\n", now); - property_set("sys.boot_from_charger_mode", "1"); - } else { - 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_display_surface("charger/battery_fail", &charger->surf_unknown); - if (ret < 0) { - LOGE("Cannot load battery_fail image\n"); - charger->surf_unknown = NULL; - } - - charger->batt_anim = &battery_animation; - - gr_surface* scale_frames; - int scale_count; - ret = res_create_multi_display_surface("charger/battery_scale", &scale_count, &scale_frames); - if (ret < 0) { - LOGE("Cannot load battery_scale image\n"); - charger->batt_anim->num_frames = 0; - charger->batt_anim->num_cycles = 1; - } else if (scale_count != charger->batt_anim->num_frames) { - LOGE("battery_scale image has unexpected frame count (%d, expected %d)\n", - scale_count, charger->batt_anim->num_frames); - charger->batt_anim->num_frames = 0; - charger->batt_anim->num_cycles = 1; - } else { - for (i = 0; i < charger->batt_anim->num_frames; i++) { - charger->batt_anim->frames[i].surface = scale_frames[i]; - } - } - - 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; -} |