@@ -5,6 +5,10 @@ applet_LTLIBRARIES = libbattery.la
libbattery_la_SOURCES = battery.c battery.h
libbattery_la_CPPFLAGS = $(AM_CPPFLAGS) -DDATADIR=\"$(pkgdatadir)/battery/\"
+if HAVE_SYSFS
+libbattery_la_SOURCES += battery-sysfs.c
+endif
+
if HAVE_LIBAPM
libbattery_la_LIBADD = -lapm
libbattery_la_SOURCES += battery-apm.c
new file mode 100644
@@ -0,0 +1,142 @@
+/*
+ * (C) Dixit Parmar
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * Licensed under the GPL v2 or greater.
+ */
+
+#include "battery.h"
+#include <glib.h>
+
+#define PROCFS_PS_DIR "/sys/class/power_supply"
+
+static char batt_dev[128] = "";
+static char ac_dev[128] = "";
+static char batt_exist = 0;
+static char ac_exist = 0;
+
+int pm_support(void)
+{
+ GDir *dir = g_dir_open(PROCFS_PS_DIR, 0, NULL);
+ if (dir != NULL) {
+ const gchar *subdir_name;
+ while ((subdir_name = g_dir_read_name(dir)) != NULL) {
+ gchar *subdir_path = g_build_filename(PROCFS_PS_DIR, subdir_name, NULL);
+ // Check if it's a directory
+ if (g_file_test(subdir_path, G_FILE_TEST_IS_DIR)) {
+ gchar *type_file_path = g_build_filename(subdir_path, "type", NULL);
+ // Check if the "type" file exists
+ if (g_file_test(type_file_path, G_FILE_TEST_EXISTS)) {
+ gchar *file_content = NULL;
+ gsize length;
+
+ if (g_file_get_contents(type_file_path, &file_content, &length, NULL)) {
+ if(!batt_exist && strncmp(file_content, "Battery", strlen("Battery")) == 0) {
+ strncpy(batt_dev, subdir_name, strlen(subdir_name));
+ batt_exist = 1;
+ }
+ if(!ac_exist && strncmp(file_content, "Mains", strlen("Mains")) == 0) {
+ strncpy(ac_dev, subdir_name, strlen(subdir_name));
+ ac_exist = 1;
+ }
+ g_free(file_content);
+ }
+ }
+ g_free(type_file_path);
+ }
+ g_free(subdir_path);
+ if(batt_exist && ac_exist)
+ break;
+ }
+ g_dir_close(dir);
+ }
+ return (int)batt_exist;
+}
+
+int read_file(const char *dev, const char *f, char *buff, size_t len)
+{
+ if(dev != NULL && f != NULL && buff != NULL) {
+ gchar *file_path = g_build_filename(PROCFS_PS_DIR, dev, f, NULL);
+ gchar *file_content = NULL;
+ gsize length;
+ if (g_file_get_contents(file_path, &file_content, &length, NULL)) {
+ if(length <= len) {
+ memset(buff, 0, len);
+ memcpy(buff, file_content, length);
+ } else {
+ length = -1;
+ }
+ }
+ g_free(file_content);
+ g_free(file_path);
+ return length;
+ }
+ return -1;
+}
+
+const char* pm_battery_icon(void)
+{
+ const char *icon;
+ char buff[128] = "";
+ int ret = 0;
+
+ gchar *endptr;
+ gint64 ac_sts = 0;
+ gint64 batt_present = 0;
+ gint64 batt_percentage = 0;
+
+ if(batt_exist == 0)
+ return NULL;
+
+ /* Check battery presence */
+ ret = read_file(batt_dev, "present", buff, sizeof(buff));
+ if(ret > 0) {
+ batt_present = g_ascii_strtoll(buff, &endptr, 10);
+ }
+ if(batt_present == 0) {
+ /* Battery is removed */
+ icon = "ac-adapter.png";
+ return icon;
+ }
+
+ /* Check Adaptor status*/
+ ret = read_file(ac_dev, "online", buff, sizeof(buff));
+ if(ret > 0)
+ ac_sts = g_ascii_strtoll(buff, &endptr, 10);;
+
+ /* Check battery percentage */
+ ret = read_file(batt_dev, "capacity", buff, sizeof(buff));
+ if(ret > 0)
+ batt_percentage = g_ascii_strtoll(buff, &endptr, 10);
+
+ if(ac_exist && ac_sts == 1) {
+ /* We're charging */
+ if (batt_percentage < 10)
+ icon = "battery-charging-000.png";
+ else if (batt_percentage < 30)
+ icon = "battery-charging-020.png";
+ else if (batt_percentage < 50)
+ icon = "battery-charging-040.png";
+ else if (batt_percentage < 70)
+ icon = "battery-charging-060.png";
+ else if (batt_percentage < 90)
+ icon = "battery-charging-080.png";
+ else
+ icon = "battery-charging-100.png";
+ } else {
+ if (batt_percentage < 10)
+ icon = "battery-discharging-000.png";
+ else if (batt_percentage < 30)
+ icon = "battery-discharging-020.png";
+ else if (batt_percentage < 50)
+ icon = "battery-discharging-040.png";
+ else if (batt_percentage < 70)
+ icon = "battery-discharging-060.png";
+ else if (batt_percentage < 90)
+ icon = "battery-discharging-080.png";
+ else
+ icon = "battery-discharging-100.png";
+ }
+ return icon;
+}
@@ -6,8 +6,9 @@
#ifndef MB_APPLET_BATTERY_H
#define MB_APPLET_BATTERY_H
-
+#include <stdio.h>
#include <string.h>
+#include <stdlib.h>
int pm_support(void);
const char* pm_battery_icon(void);
@@ -61,6 +61,9 @@ AC_ARG_WITH(
)
case "$with_battery" in
+ "sysfs") enable_linux_sysfs=yes
+ enable_battery=yes
+ ;;
"acpi") AC_CHECK_HEADERS(libacpi.h, enable_linux_acpi=yes, AC_MSG_FAILURE([You need to install libacpi]))
enable_battery=yes
;;
@@ -75,6 +78,7 @@ esac
AM_CONDITIONAL(HAVE_BATTERY, test x$enable_battery = xyes)
AM_CONDITIONAL(HAVE_LIBAPM, test x$enable_linux_apm = xyes)
AM_CONDITIONAL(HAVE_LIBACPI, test x$enable_linux_acpi = xyes)
+AM_CONDITIONAL(HAVE_SYSFS, test x$enable_linux_sysfs = xyes)
# glib-genmarshal
GLIB_GENMARSHAL=`$PKG_CONFIG --variable=glib_genmarshal glib-2.0`
battery applet supports reading battery and supply information from sysfs entries, /sys/class/power_supply/. [YOCTO #12904] https://bugzilla.yoctoproject.org/show_bug.cgi?id=12904 Signed-off-by: Dixit Parmar <dixitparmar19@gmail.com> --- applets/battery/Makefile.am | 4 + applets/battery/battery-sysfs.c | 142 ++++++++++++++++++++++++++++++++ applets/battery/battery.h | 3 +- configure.ac | 4 + 4 files changed, 152 insertions(+), 1 deletion(-) create mode 100644 applets/battery/battery-sysfs.c