diff options
Diffstat (limited to 'components')
| -rw-r--r-- | components/battery.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/components/battery.c b/components/battery.c index b05c171..c7c402a 100644 --- a/components/battery.c +++ b/components/battery.c @@ -49,8 +49,36 @@ const char * battery_remaining(const char *bat) { - /* TODO: Implement */ - return NULL; + int charge_now, current_now, m, h; + float timeleft; + char path[PATH_MAX], state[12]; + + snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", + bat, "/status"); + if (pscanf(path, "%12s", state) != 1) { + return NULL; + } + + if (!strcmp(state, "Discharging")) { + snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", + bat, "/charge_now"); + if (pscanf(path, "%i", &charge_now) != 1) { + return NULL; + } + snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", + bat, "/current_now"); + if (pscanf(path, "%i", ¤t_now) != 1) { + return NULL; + } + + timeleft = (float)charge_now / (float)current_now; + h = timeleft; + m = (timeleft - (float)h) * 60; + + return bprintf("%dh %dm", h, m); + } + + return ""; } #elif defined(__OpenBSD__) #include <fcntl.h> @@ -122,7 +150,7 @@ if (load_apm_power_info(&apm_info)) { if (apm_info.ac_state != APM_AC_ON) { - return bprintf("%u:%02u", apm_info.minutes_left / 60, + return bprintf("%uh %02um", apm_info.minutes_left / 60, apm_info.minutes_left % 60); } else { return ""; |