static char buf_bat_time[20];
int8_t battery_low_status;
-char* battery_low_cmd;
+char *battery_low_cmd;
+char *path_energy_now, *path_energy_full, *path_current_now, *path_status;
+
void update_battery(struct batstate *data) {
FILE *fp;
int seconds = 0;
int8_t new_percentage = 0;
- fp = fopen("/sys/class/power_supply/BAT0/energy_now", "r");
+ fp = fopen(path_energy_now, "r");
if(fp != NULL) {
fgets(tmp, sizeof tmp, fp);
energy_now = atoi(tmp);
fclose(fp);
- } else printf("ERROR: battery applet can't open energy_now\n");
+ }
- fp = fopen("/sys/class/power_supply/BAT0/energy_full", "r");
+ fp = fopen(path_energy_full, "r");
if(fp != NULL) {
fgets(tmp, sizeof tmp, fp);
energy_full = atoi(tmp);
fclose(fp);
- } else printf("ERROR: battery applet can't open energy_full\n");
+ }
- fp = fopen("/sys/class/power_supply/BAT0/current_now", "r");
+ fp = fopen(path_current_now, "r");
if(fp != NULL) {
fgets(tmp, sizeof tmp, fp);
current_now = atoi(tmp);
fclose(fp);
- } else printf("ERROR: battery applet can't open current_now\n");
+ }
- fp = fopen("/sys/class/power_supply/BAT0/status", "r");
+ fp = fopen(path_status, "r");
if(fp != NULL) {
fgets(tmp, sizeof tmp, fp);
fclose(fp);
- } else printf("ERROR: battery applet can't open status");
+ }
data->state = BATTERY_UNKNOWN;
if(strcasecmp(tmp, "Charging\n")==0) data->state = BATTERY_CHARGING;
seconds -= 60 * data->time.minutes;
data->time.seconds = seconds;
- new_percentage = (energy_now*100)/energy_full;
+ if(energy_full > 0)
+ new_percentage = (energy_now*100)/energy_full;
if(battery_low_status != 0 && battery_low_status == new_percentage && data->percentage > new_percentage) {
printf("battery low, executing: %s\n", battery_low_cmd);
data->percentage = new_percentage;
}
+
void init_battery()
{
+ // check battery
+ GDir *directory;
+ GError *error = NULL;
+ const char *entryname;
+ char *battery_dir = 0;
+
+ path_energy_now = path_energy_full = path_current_now = path_status = 0;
+ directory = g_dir_open("/sys/class/power_supply", 0, &error);
+ if (error)
+ g_error_free(error);
+ else {
+ while ((entryname=g_dir_read_name(directory))) {
+ if (strncmp(entryname,"AC", 2) == 0) continue;
+
+ char *path1 = g_build_filename("/sys/class/power_supply", entryname, "present", NULL);
+ if (g_file_test (path1, G_FILE_TEST_EXISTS)) {
+ g_free(path1);
+ battery_dir = g_build_filename("/sys/class/power_supply", entryname, NULL);
+ break;
+ }
+ g_free(path1);
+ }
+ }
+ if (battery_dir != 0) {
+ char *path1 = g_build_filename(battery_dir, "energy_now", NULL);
+ if (g_file_test (path1, G_FILE_TEST_EXISTS)) {
+ path_energy_now = g_build_filename(battery_dir, "energy_now", NULL);
+ path_energy_full = g_build_filename(battery_dir, "energy_full", NULL);
+ }
+ else {
+ char *path2 = g_build_filename(battery_dir, "charge_now", NULL);
+ if (g_file_test (path2, G_FILE_TEST_EXISTS)) {
+ path_energy_now = g_build_filename(battery_dir, "charge_now", NULL);
+ path_energy_full = g_build_filename(battery_dir, "charge_full", NULL);
+ }
+ else {
+ g_free(battery_dir);
+ battery_dir = 0;
+ fprintf(stderr, "ERROR: can't found energy_* or charge_*\n");
+ }
+ g_free(path2);
+ }
+ path_current_now = g_build_filename(battery_dir, "current_now", NULL);
+ path_status = g_build_filename(battery_dir, "status", NULL);
+ g_free(path1);
+ }
+
+ FILE *fp;
Panel *panel;
Battery *battery;
int i, bat_percentage_height, bat_percentage_height_ink, bat_time_height, bat_time_height_ink;
battery->area._draw_foreground = draw_battery;
battery->area._resize = resize_battery;
+ if (battery_dir == 0) panel->battery.area.on_screen = 0;
if (!battery->area.on_screen) continue;
+ if((fp = fopen(path_energy_now, "r")) == NULL) {
+ fprintf(stderr, "ERROR: battery applet can't open energy_now\n");
+ panel->battery.area.on_screen = 0;
+ continue;
+ }
+ fclose(fp);
+ if((fp = fopen(path_energy_full, "r")) == NULL) {
+ fprintf(stderr, "ERROR: battery applet can't open energy_full\n");
+ panel->battery.area.on_screen = 0;
+ continue;
+ }
+ fclose(fp);
+ if((fp = fopen(path_current_now, "r")) == NULL) {
+ fprintf(stderr, "ERROR: battery applet can't open current_now\n");
+ panel->battery.area.on_screen = 0;
+ continue;
+ }
+ fclose(fp);
+ if((fp = fopen(path_status, "r")) == NULL) {
+ fprintf(stderr, "ERROR: battery applet can't open status");
+ panel->battery.area.on_screen = 0;
+ continue;
+ }
+ fclose(fp);
battery->area.posy = panel->area.pix.border.width + panel->area.paddingy;
battery->area.height = panel->area.height - (2 * battery->area.posy);