diff options
| -rw-r--r-- | config.def.h | 1 | ||||
| -rw-r--r-- | slstatus.c | 20 |
2 files changed, 21 insertions, 0 deletions
diff --git a/config.def.h b/config.def.h index 1476c30..426cc28 100644 --- a/config.def.h +++ b/config.def.h @@ -8,6 +8,7 @@ /* statusbar - battery_perc (battery percentage) [argument: battery name] +- battery_power (battery power usage) [argument: battery name] - battery_state (battery charging state) [argument: battery name] - cpu_perc (cpu usage in percent) [argument: NULL] - datetime (date and time) [argument: format] @@ -35,6 +35,7 @@ struct arg { static char *smprintf(const char *fmt, ...); static char *battery_perc(const char *bat); +static char *battery_power(const char *bat); static char *battery_state(const char *bat); static char *cpu_perc(void); static char *datetime(const char *fmt); @@ -119,6 +120,25 @@ battery_perc(const char *bat) } static char * +battery_power(const char *bat) +{ + char path[PATH_MAX]; + FILE *fp; + int watts; + + snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/power_now"); + fp = fopen(path, "r"); + if (fp == NULL) { + warn("Failed to open file %s", path); + return smprintf("%s", UNKNOWN_STR); + } + fscanf(fp, "%i", &watts); + fclose(fp); + + return smprintf("%d", (watts + 500000) / 1000000); +} + +static char * battery_state(const char *bat) { char path[PATH_MAX]; |