X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/ebf5a35052add4298e43e0f261927b7ab2a2e7b9..d518472e6235dde0164115cd68f383f3db3427f2:/components/battery.c?ds=sidebyside diff --git a/components/battery.c b/components/battery.c index 52ad343..07b6ac1 100644 --- a/components/battery.c +++ b/components/battery.c @@ -1,58 +1,251 @@ /* See LICENSE file for copyright and license details. */ -#ifdef __linux__ -#include #include #include #include "../util.h" -const char * -battery_perc(const char *bat) -{ - int perc; - char path[PATH_MAX]; - - snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/capacity"); - return (pscanf(path, "%i", &perc) == 1) ? - bprintf("%d", perc) : NULL; -} - -const char * -battery_power(const char *bat) -{ - int watts; - char path[PATH_MAX]; - - snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/power_now"); - return (pscanf(path, "%i", &watts) == 1) ? - bprintf("%d", (watts + 500000) / 1000000) : NULL; -} - -const char * -battery_state(const char *bat) -{ - struct { - char *state; - char *symbol; - } map[] = { - { "Charging", "+" }, - { "Discharging", "-" }, - { "Full", "=" }, - { "Unknown", "/" }, - }; - size_t i; - 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) { +#if defined(__linux__) + #include + #include + #include + + 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; } - for (i = 0; i < LEN(map); i++) { - if (!strcmp(map[i].state, state)) { - break; + const char * + battery_perc(const char *bat) + { + int perc; + char path[PATH_MAX]; + + if (esnprintf(path, sizeof(path), + "/sys/class/power_supply/%s/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", "-" }, + }; + size_t i; + char path[PATH_MAX], state[12]; + + if (esnprintf(path, sizeof(path), + "/sys/class/power_supply/%s/status", bat) < 0) { + return NULL; + } + if (pscanf(path, "%12s", 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), + "/sys/class/power_supply/%s/status", bat) < 0) { + return NULL; + } + if (pscanf(path, "%12s", state) != 1) { + return NULL; + } + + if (!pick(bat, "/sys/class/power_supply/%s/charge_now", + "/sys/class/power_supply/%s/energy_now", path, + sizeof(path)) || + pscanf(path, "%ju", &charge_now) < 0) { + return NULL; + } + + if (!strcmp(state, "Discharging")) { + if (!pick(bat, "/sys/class/power_supply/%s/current_now", + "/sys/class/power_supply/%s/power_now", 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; + + if (load_apm_power_info(&apm_info)) { + if (apm_info.ac_state != APM_AC_ON) { + return bprintf("%uh %02um", + apm_info.minutes_left / 60, + apm_info.minutes_left % 60); + } else { + return ""; + } + } + + return NULL; + } +#elif defined(__FreeBSD__) + #include + + const char * + battery_perc(const char *unused) + { + int cap; + size_t len; + + len = sizeof(cap); + if (sysctlbyname("hw.acpi.battery.life", &cap, &len, NULL, 0) == -1 + || !len) + return NULL; + + return bprintf("%d", cap); + } + + const char * + battery_state(const char *unused) + { + int state; + size_t len; + + len = sizeof(state); + if (sysctlbyname("hw.acpi.battery.state", &state, &len, NULL, 0) == -1 + || !len) + return NULL; + + switch(state) { + case 0: + 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("hw.acpi.battery.time", &rem, &len, NULL, 0) == -1 + || !len + || rem == -1) + return NULL; + + return bprintf("%uh %02um", rem / 60, rem % 60); } - return (i == LEN(map)) ? "?" : map[i].symbol; -} #endif