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authorStefano Karapetsas <[email protected]>2011-11-21 23:44:15 +0100
committerStefano Karapetsas <[email protected]>2011-11-21 23:44:15 +0100
commit69ecddf1317e71f35b1c1de00392dc76f8f1701c (patch)
treeaba29401d8d4b88f14d67aac2b0e60980a78fa2e /plugins/smu-sys/smu-sys-plugin.c
downloadmate-sensors-applet-69ecddf1317e71f35b1c1de00392dc76f8f1701c.tar.bz2
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Initial release bases on sensors-applet
Diffstat (limited to 'plugins/smu-sys/smu-sys-plugin.c')
-rw-r--r--plugins/smu-sys/smu-sys-plugin.c180
1 files changed, 180 insertions, 0 deletions
diff --git a/plugins/smu-sys/smu-sys-plugin.c b/plugins/smu-sys/smu-sys-plugin.c
new file mode 100644
index 0000000..76bf31c
--- /dev/null
+++ b/plugins/smu-sys/smu-sys-plugin.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright (C) 2005-2009 Alex Murray <[email protected]>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#ifdef HAVE_STDIO_H
+#include <stdio.h>
+#endif /* HAVE_STDIO_H */
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include "smu-sys-plugin.h"
+
+const gchar *plugin_name = "smu-sys";
+
+#define SMU_SYS_BASE_DIR "/sys/devices/platform/windfarm.0"
+
+#define SENSOR1 "sensor1"
+#define CPU "cpu"
+#define SENSOR2 "sensor2"
+#define GPU "gpu"
+#define TEMPERATURE "-temp"
+#define FAN_SPEED "-fan"
+
+
+enum {
+ SMU_SYS_DEVICE_FILE_OPEN_ERROR,
+ SMU_SYS_DEVICE_FILE_READ_ERROR
+};
+
+static void smu_sys_plugin_add_sensor(GList **sensors, const gchar *path) {
+ gchar *filename;
+ gchar *label = NULL;
+ gboolean enable;
+ SensorType sensor_type;
+ IconType icon_type = GENERIC_ICON;
+
+ filename = g_path_get_basename(path);
+
+ if (g_ascii_strcasecmp(filename, SENSOR1 TEMPERATURE) == 0 || g_ascii_strcasecmp(filename, CPU TEMPERATURE) == 0) {
+ label = g_strdup(_("CPU"));
+ sensor_type = TEMP_SENSOR;
+ enable = TRUE;
+ icon_type = CPU_ICON;
+ } else if (g_ascii_strcasecmp(filename, SENSOR2 TEMPERATURE) == 0 || g_ascii_strcasecmp(filename, GPU TEMPERATURE) == 0) {
+ label = g_strdup(_("GPU"));
+ sensor_type = TEMP_SENSOR;
+ enable = TRUE;
+ icon_type = GPU_ICON;
+ } else if (g_ascii_strcasecmp(filename, SENSOR1 FAN_SPEED) == 0|| g_ascii_strcasecmp(filename, CPU FAN_SPEED) == 0) {
+ label = g_strdup(_("FAN"));
+ sensor_type = FAN_SENSOR;
+ enable = TRUE;
+ icon_type = FAN_ICON;
+ } else {
+ /* disable all other sensors */
+ enable = FALSE;
+ }
+
+ /* only add these 3 sensors */
+ if (enable) {
+ sensors_applet_plugin_add_sensor(sensors,
+ path,
+ filename,
+ label,
+ sensor_type,
+ enable,
+ icon_type,
+ DEFAULT_GRAPH_COLOR);
+
+ }
+ g_free(filename);
+ if (label != NULL) {
+ g_free(label);
+ }
+}
+
+static void smu_sys_plugin_test_sensor(GList **sensors, const gchar *path) {
+ gchar *filename;
+
+ filename = g_path_get_basename(path);
+ if (g_ascii_strcasecmp(filename, SENSOR1 TEMPERATURE) == 0 ||
+ g_ascii_strcasecmp(filename, SENSOR2 TEMPERATURE) == 0 ||
+ g_ascii_strcasecmp(filename, SENSOR1 FAN_SPEED) == 0 ||
+ g_ascii_strcasecmp(filename, CPU TEMPERATURE) == 0 ||
+ g_ascii_strcasecmp(filename, GPU TEMPERATURE) == 0 ||
+ g_ascii_strcasecmp(filename, CPU FAN_SPEED) == 0) {
+ smu_sys_plugin_add_sensor(sensors, path);
+ }
+ g_free(filename);
+}
+
+/* to be called to setup for sys sensors */
+GList *smu_sys_plugin_init(void) {
+ GList *sensors = NULL;
+
+ /* call function to recursively look for sensors
+ starting at the defined base directory */
+ sensors_applet_plugin_find_sensors(&sensors,
+ SMU_SYS_BASE_DIR,
+ smu_sys_plugin_test_sensor);
+
+ return sensors;
+}
+
+/* returns the value of the sensor_list at the given iter, or if an
+ error occurs, instatiates error with an error message */
+gdouble smu_sys_plugin_get_sensor_value(const gchar *path,
+ const gchar *id,
+ SensorType type,
+ GError **error) {
+
+ /* to open and access the value of each sensor */
+ FILE *fp;
+ gfloat sensor_value = -1.0;
+
+ if (NULL == (fp = fopen(path, "r"))) {
+ g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, SMU_SYS_DEVICE_FILE_OPEN_ERROR, "Error opening sensor device file %s", path);
+ return -1.0;
+ }
+ switch(type) {
+ case FAN_SENSOR:
+ if (fscanf(fp, "%f", &sensor_value) != 1) {
+ g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, SMU_SYS_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
+ fclose(fp);
+ return -1.0;
+ }
+ break;
+
+ case TEMP_SENSOR:
+ if (fscanf(fp, "%f", &sensor_value) != 1) {
+ g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, SMU_SYS_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
+ fclose(fp);
+ return -1.0;
+ }
+ break;
+
+ default:
+ /* should only have added temp or fan sensors */
+ g_error("Unknown sensor type passed as parameter to smu-sys sensor interface, cannot get value for this sensor");
+ g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, SMU_SYS_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
+ }
+ fclose(fp);
+
+ return (gdouble)sensor_value;
+}
+
+const gchar *sensors_applet_plugin_name(void)
+{
+ return plugin_name;
+}
+
+GList *sensors_applet_plugin_init(void)
+{
+ return smu_sys_plugin_init();
+}
+
+gdouble sensors_applet_plugin_get_sensor_value(const gchar *path,
+ const gchar *id,
+ SensorType type,
+ GError **error) {
+ return smu_sys_plugin_get_sensor_value(path, id, type, error);
+}