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authorDavid <dbphillipsnz@gmail.com>2014-02-13 19:00:50 +1300
committerDavid <dbphillipsnz@gmail.com>2014-02-13 19:00:50 +1300
commit68f5774cb6a8a8a31f6f530b99fdcb7f1c5695fa (patch)
tree5b30d5b911ad1210031b62328b9a503fd1d70155 /src/getbat.c
downloadparamano-68f5774cb6a8a8a31f6f530b99fdcb7f1c5695fa.tar.xz
First commit, only original (broken) source
Diffstat (limited to 'src/getbat.c')
-rw-r--r--src/getbat.c204
1 files changed, 204 insertions, 0 deletions
diff --git a/src/getbat.c b/src/getbat.c
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index 0000000..a9dd997
--- /dev/null
+++ b/src/getbat.c
@@ -0,0 +1,204 @@
+/************************************************************************
+ * This file is part of trayfreq. *
+ * *
+ * trayfreq 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; either version 3 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * trayfreq 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 trayfreq. If not, see <http://www.gnu.org/licenses/>. *
+ ************************************************************************/
+
+#include "getbat.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+
+gint BAT_NUM;
+gint MAX_CAPACITY;
+gint WARN_CAPACITY;
+gint LOW_CAPACITY;
+
+gchar INFO_PATH[30];
+gchar STATE_PATH[30];
+
+static gint get_bat_num()
+{
+ FILE* fd;
+ gchar file[30];
+ gint i;
+ for(i = 0; i < 3; ++i)
+ {
+ memset(file, '\0', 30);
+ sprintf(file, "/proc/acpi/battery/BAT%i/info", i);
+ if((fd = fopen(file, "r")) != NULL)
+ return i;
+ }
+ return -1;
+}
+
+static gint get_int(char* line)
+{
+ char numbers[] = "1234567890";
+ char* first_num;
+
+ first_num = strpbrk (line, numbers);
+ if(first_num)
+ return atoi(first_num);
+ return 1;
+}
+
+static gint get_int_value_from_file(const gchar* path, const gchar* label, int label_size)
+{
+ FILE* fd;
+ gchar buff[100];
+ gint value;
+
+ if(!(fd = fopen(path, "r")))
+ return -1;
+
+ while(fgets(buff, 100, fd)!= NULL)
+ {
+ if(strncmp(label, buff, label_size) == 0)
+ {
+ value = get_int(buff);
+ break;
+ }
+ }
+ fclose(fd);
+ return value;
+}
+
+static gboolean file_has_line(const gchar* path, const gchar* line)
+{
+ FILE* fd;
+ gchar buff[100];
+
+ if(!(fd = fopen(path, "r")))
+ return FALSE;
+
+ while(fgets(buff, 100, fd) != NULL)
+ {
+ if(strstr(buff, line) != NULL)
+ {
+ fclose(fd);
+ return TRUE;
+ }
+ }
+ fclose(fd);
+ return FALSE;
+}
+
+gboolean gb_init()
+{
+ BAT_NUM = get_bat_num();
+ sprintf(INFO_PATH, "/proc/acpi/battery/BAT%i/info", gb_number());
+ sprintf(STATE_PATH, "/proc/acpi/battery/BAT%i/state", gb_number());
+
+ FILE* fd;
+ gchar buff[100];
+
+ if(!(fd = fopen(INFO_PATH, "r")))
+ return FALSE;
+
+ while(fgets(buff, 100, fd)!= NULL)
+ {
+ if(strncmp("last full capacity:", buff, 19) == 0)
+ MAX_CAPACITY = get_int(buff);
+ else if(strncmp("design capacity warning:", buff, 24) == 0)
+ WARN_CAPACITY = get_int(buff);
+ else if(strncmp("design capacity low:", buff, 20) == 0)
+ LOW_CAPACITY = get_int(buff);
+ else if(strncmp("present: no",buff, 27) == 0)
+ return FALSE;
+ }
+ fclose(fd);
+ return TRUE;
+}
+
+gint gb_current_capacity()
+{
+ return get_int_value_from_file(STATE_PATH, "remaining capacity:", 19);
+}
+
+gint gb_current_rate()
+{
+ return get_int_value_from_file(STATE_PATH, "present rate:", 13);
+}
+
+gboolean gb_discharging()
+{
+ return file_has_line(STATE_PATH, "discharging");
+}
+
+gboolean gb_charged()
+{
+ return file_has_line(STATE_PATH, "charged");
+}
+
+gboolean gb_charging()
+{
+ if(!file_has_line(STATE_PATH, "discharging") && !file_has_line(STATE_PATH, "charged"))
+ return TRUE;
+ return FALSE;
+}
+
+gint gb_number()
+{
+ return BAT_NUM;
+}
+
+gint gb_max_capacity()
+{
+ return MAX_CAPACITY;
+}
+
+gint gb_warn_capacity()
+{
+ return WARN_CAPACITY;
+}
+
+gint gb_low_capacity()
+{
+ return LOW_CAPACITY;
+}
+
+gint gb_percent()
+{
+ int percent, max_capacity;
+ if ( (max_capacity = gb_max_capacity()) == 0 )
+ return 0;
+ percent = (gb_current_capacity() * 100) / max_capacity;
+ if (percent > 100)
+ percent = 100;
+ return percent;
+}
+
+void gb_discharge_time(gchar* time)
+{
+ float ftime = (float)gb_current_capacity() / (float)gb_current_rate();
+ float minutes = ((float)ftime - (int)ftime) * (float)60;
+ if(minutes < 10)
+ sprintf(time, "%i:0%i", (int)ftime, (int)minutes);
+ else
+ sprintf(time, "%i:%i", (int)ftime, (int)minutes);
+}
+
+void gb_charge_time(gchar* time)
+{
+ float ftime = ((float)gb_max_capacity() - (float)gb_current_capacity()) / (float)gb_current_rate();
+ float minutes = ((float)ftime - (int)ftime) * (float)60;
+ if(minutes < 10)
+ sprintf(time, "%i:0%i", (int)ftime, (int)minutes);
+ else
+ sprintf(time, "%i:%i", (int)ftime, (int)minutes);
+}
+