diff options
Diffstat (limited to 'arch/linux/common/battery.h')
| -rw-r--r-- | arch/linux/common/battery.h | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/arch/linux/common/battery.h b/arch/linux/common/battery.h new file mode 100644 index 00000000..20979e48 --- /dev/null +++ b/arch/linux/common/battery.h @@ -0,0 +1,212 @@ +/* + * HardInfo - Displays System Information + * Copyright (C) 2003-2006 Leandro A. F. Pereira <leandro@linuxmag.com.br> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <time.h> + +static void +__scan_battery_acpi(void) +{ + gchar *acpi_path; + + gchar *present = NULL; + gchar *capacity = NULL; + gchar *technology = NULL; + gchar *voltage = NULL; + gchar *model = NULL, *serial = NULL, *type = NULL; + gchar *state = NULL, *rate = NULL; + gchar *remaining = NULL; + + if (battery_list) { + g_free(battery_list); + } + battery_list = g_strdup(""); + + acpi_path = g_strdup("/proc/acpi/battery"); + if (g_file_test(acpi_path, G_FILE_TEST_EXISTS)) { + GDir *acpi; + + if ((acpi = g_dir_open(acpi_path, 0, NULL))) { + const gchar *entry; + + while ((entry = g_dir_read_name(acpi))) { + gchar *path = g_strdup_printf("%s/%s/info", acpi_path, entry); + FILE *f; + gchar buffer[256]; + gdouble charge_rate = 1.0; + + f = fopen(path, "r"); + g_free(path); + + if (!f) + goto cleanup; + + while (fgets(buffer, 256, f)) { + gchar **tmp = g_strsplit(buffer, ":", 2); + + GET_STR("present", present); + GET_STR("design capacity", capacity); + GET_STR("battery technology", technology); + GET_STR("design voltage", voltage); + GET_STR("model number", model); + GET_STR("serial number", serial); + GET_STR("battery type", type); + + g_strfreev(tmp); + } + fclose(f); + + path = g_strdup_printf("%s/%s/state", acpi_path, entry); + f = fopen(path, "r"); + g_free(path); + + if (!f) + goto cleanup; + + while (fgets(buffer, 256, f)) { + gchar **tmp = g_strsplit(buffer, ":", 2); + + GET_STR("charging state", state); + GET_STR("present rate", rate); + GET_STR("remaining capacity", remaining); + + g_strfreev(tmp); + } + + fclose(f); + + if (g_str_equal(present, "yes")) { + charge_rate = atof(remaining) / atof(capacity); + + battery_list = g_strdup_printf("%s\n[Battery: %s]\n" + "State=%s (load: %s)\n" + "Capacity=%s / %s (%.2f%%)\n" + "Battery Technology=%s (%s)\n" + "Model Number=%s\n" + "Serial Number=%s\n", + battery_list, + entry, + state, rate, + remaining, capacity, charge_rate * 100.0, + technology, type, + model, + serial); + } + + cleanup: + g_free(present); + g_free(capacity); + g_free(technology); + g_free(type); + g_free(model); + g_free(serial); + g_free(state); + g_free(remaining); + g_free(rate); + + present = capacity = technology = type = \ + model = serial = state = remaining = rate = NULL; + } + + g_dir_close(acpi); + } + } + + g_free(acpi_path); +} + +static void +__scan_battery_apm(void) +{ + FILE *procapm; + static char *sremaining = NULL, *stotal = NULL; + static unsigned int last_time = 0; + static int percentage = 0; + const char *ac_status[] = { "Battery", + "AC Power", + "Charging" }; + int ac_bat; + char apm_bios_ver[16], apm_drv_ver[16]; + char trash[10]; + + if ((procapm = fopen("/proc/apm", "r"))) { + int old_percentage = percentage; + + fscanf(procapm, "%s %s %s 0x%x %s %s %d%%", + apm_drv_ver, apm_bios_ver, trash, + &ac_bat, trash, trash, &percentage); + fclose(procapm); + + if (last_time == 0) { + last_time = time(NULL); + sremaining = stotal = NULL; + } + + if (old_percentage - percentage > 0) { + if (sremaining && stotal) { + g_free(sremaining); + g_free(stotal); + } + + int secs_remaining = (time(NULL) - last_time) * percentage / + (old_percentage - percentage); + sremaining = seconds_to_string(secs_remaining); + stotal = seconds_to_string((secs_remaining * 100) / percentage); + + last_time = time(NULL); + } + } else { + return; + } + + if (stotal && sremaining) { + battery_list = g_strdup_printf("%s\n[Battery (APM)]\n" + "Charge=%d%%\n" + "Remaining Charge=%s of %s\n" + "Using=%s\n" + "APM driver version=%s\n" + "APM BIOS version=%s\n", + battery_list, + percentage, + sremaining, stotal, + ac_status[ac_bat], + apm_drv_ver, apm_bios_ver); + } else { + battery_list = g_strdup_printf("%s\n[Battery (APM)]\n" + "Charge=%d%%\n" + "Using=%s\n" + "APM driver version=%s\n" + "APM BIOS version=%s\n", + battery_list, + percentage, + ac_status[ac_bat], + apm_drv_ver, apm_bios_ver); + + } +} + +static void +__scan_battery(void) +{ + if (battery_list) { + g_free(battery_list); + } + battery_list = g_strdup(""); + + __scan_battery_acpi(); + __scan_battery_apm(); +} |