From c47aa4c4279beb700ec18c83fcf74aafc77d76a4 Mon Sep 17 00:00:00 2001 From: Bradley Taunt Date: Wed, 17 Jan 2024 19:44:16 -0500 Subject: Initial commit to cgit and place all suckless programs within installer --- slstatusf/components/battery.c | 244 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 244 insertions(+) create mode 100755 slstatusf/components/battery.c (limited to 'slstatusf/components/battery.c') diff --git a/slstatusf/components/battery.c b/slstatusf/components/battery.c new file mode 100755 index 0000000..9fa1014 --- /dev/null +++ b/slstatusf/components/battery.c @@ -0,0 +1,244 @@ +/* See LICENSE file for copyright and license details. */ +#include +#include + +#include "../slstatus.h" +#include "../util.h" + +#if defined(__linux__) + #include + #include + #include + + #define POWER_SUPPLY_CAPACITY "/sys/class/power_supply/%s/capacity" + #define POWER_SUPPLY_STATUS "/sys/class/power_supply/%s/status" + #define POWER_SUPPLY_CHARGE "/sys/class/power_supply/%s/charge_now" + #define POWER_SUPPLY_ENERGY "/sys/class/power_supply/%s/energy_now" + #define POWER_SUPPLY_CURRENT "/sys/class/power_supply/%s/current_now" + #define POWER_SUPPLY_POWER "/sys/class/power_supply/%s/power_now" + + static const char * + pick(const char *bat, const char *f1, const char *f2, char *path, + size_t length) + { + if (esnprintf(path, length, f1, bat) > 0 && + access(path, R_OK) == 0) + return f1; + + if (esnprintf(path, length, f2, bat) > 0 && + access(path, R_OK) == 0) + return f2; + + return NULL; + } + + const char * + battery_perc(const char *bat) + { + int perc; + char path[PATH_MAX]; + + if (esnprintf(path, sizeof(path), POWER_SUPPLY_CAPACITY, bat) < 0) + return NULL; + if (pscanf(path, "%d", &perc) != 1) + return NULL; + + return bprintf("%d", perc); + } + + const char * + battery_state(const char *bat) + { + static struct { + char *state; + char *symbol; + } map[] = { + { "Charging", "+" }, + { "Discharging", "-" }, + { "Full", "o" }, + { "Not charging", "o" }, + }; + size_t i; + char path[PATH_MAX], state[12]; + + if (esnprintf(path, sizeof(path), POWER_SUPPLY_STATUS, bat) < 0) + return NULL; + if (pscanf(path, "%12[a-zA-Z ]", state) != 1) + return NULL; + + for (i = 0; i < LEN(map); i++) + if (!strcmp(map[i].state, state)) + break; + + return (i == LEN(map)) ? "?" : map[i].symbol; + } + + const char * + battery_remaining(const char *bat) + { + uintmax_t charge_now, current_now, m, h; + double timeleft; + char path[PATH_MAX], state[12]; + + if (esnprintf(path, sizeof(path), POWER_SUPPLY_STATUS, bat) < 0) + return NULL; + if (pscanf(path, "%12[a-zA-Z ]", state) != 1) + return NULL; + + if (!pick(bat, POWER_SUPPLY_CHARGE, POWER_SUPPLY_ENERGY, path, + sizeof(path)) || + pscanf(path, "%ju", &charge_now) < 0) + return NULL; + + if (!strcmp(state, "Discharging")) { + if (!pick(bat, POWER_SUPPLY_CURRENT, POWER_SUPPLY_POWER, path, + sizeof(path)) || + pscanf(path, "%ju", ¤t_now) < 0) + return NULL; + + if (current_now == 0) + return NULL; + + timeleft = (double)charge_now / (double)current_now; + h = timeleft; + m = (timeleft - (double)h) * 60; + + return bprintf("%juh %jum", h, m); + } + + return ""; + } +#elif defined(__OpenBSD__) + #include + #include + #include + #include + + static int + load_apm_power_info(struct apm_power_info *apm_info) + { + int fd; + + fd = open("/dev/apm", O_RDONLY); + if (fd < 0) { + warn("open '/dev/apm':"); + return 0; + } + + memset(apm_info, 0, sizeof(struct apm_power_info)); + if (ioctl(fd, APM_IOC_GETPOWER, apm_info) < 0) { + warn("ioctl 'APM_IOC_GETPOWER':"); + close(fd); + return 0; + } + return close(fd), 1; + } + + const char * + battery_perc(const char *unused) + { + struct apm_power_info apm_info; + + if (load_apm_power_info(&apm_info)) + return bprintf("%d", apm_info.battery_life); + + return NULL; + } + + const char * + battery_state(const char *unused) + { + struct { + unsigned int state; + char *symbol; + } map[] = { + { APM_AC_ON, "+" }, + { APM_AC_OFF, "-" }, + }; + struct apm_power_info apm_info; + size_t i; + + if (load_apm_power_info(&apm_info)) { + for (i = 0; i < LEN(map); i++) + if (map[i].state == apm_info.ac_state) + break; + + return (i == LEN(map)) ? "?" : map[i].symbol; + } + + return NULL; + } + + const char * + battery_remaining(const char *unused) + { + struct apm_power_info apm_info; + unsigned int h, m; + + if (load_apm_power_info(&apm_info)) { + if (apm_info.ac_state != APM_AC_ON) { + h = apm_info.minutes_left / 60; + m = apm_info.minutes_left % 60; + return bprintf("%uh %02um", h, m); + } else { + return ""; + } + } + + return NULL; + } +#elif defined(__FreeBSD__) + #include + + #define BATTERY_LIFE "hw.acpi.battery.life" + #define BATTERY_STATE "hw.acpi.battery.state" + #define BATTERY_TIME "hw.acpi.battery.time" + + const char * + battery_perc(const char *unused) + { + int cap; + size_t len; + + len = sizeof(cap); + if (sysctlbyname(BATTERY_LIFE, &cap, &len, NULL, 0) < 0 || !len) + return NULL; + + return bprintf("%d", cap); + } + + const char * + battery_state(const char *unused) + { + int state; + size_t len; + + len = sizeof(state); + if (sysctlbyname(BATTERY_STATE, &state, &len, NULL, 0) < 0 || !len) + return NULL; + + switch (state) { + case 0: /* FALLTHROUGH */ + case 2: + return "+"; + case 1: + return "-"; + default: + return "?"; + } + } + + const char * + battery_remaining(const char *unused) + { + int rem; + size_t len; + + len = sizeof(rem); + if (sysctlbyname(BATTERY_TIME, &rem, &len, NULL, 0) < 0 || !len + || rem < 0) + return NULL; + + return bprintf("%uh %02um", rem / 60, rem % 60); + } +#endif -- cgit v1.2.3-54-g00ecf