summaryrefslogtreecommitdiffstats
path: root/src/measurement/sysfs.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/measurement/sysfs.h')
-rw-r--r--src/measurement/sysfs.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/src/measurement/sysfs.h b/src/measurement/sysfs.h
new file mode 100644
index 0000000..5b440f5
--- /dev/null
+++ b/src/measurement/sysfs.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2011 Anssi Hannula
+ *
+ * This file is part of PowerTOP
+ *
+ * This program file 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 of the License.
+ *
+ * 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 in a file named COPYING; if not, write to the
+ * Free Software Foundation, Inc,
+ * 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA
+ * or just google for it.
+ *
+ * Authors:
+ * Anssi Hannula <anssi.hannula@iki.fi>
+ */
+#ifndef INCLUDE_GUARD_SYSFS_H
+#define INCLUDE_GUARD_SYSFS_H
+
+#include "measurement.h"
+
+class sysfs_power_meter: public power_meter {
+ char name[256];
+
+ double capacity;
+ double rate;
+
+ bool get_sysfs_attr(const char *attribute, int *value);
+ bool is_present();
+ double get_voltage();
+
+ bool set_rate_from_power();
+ bool set_rate_from_current(double voltage);
+ bool set_capacity_from_energy();
+ bool set_capacity_from_charge(double voltage);
+
+ void measure();
+public:
+ sysfs_power_meter(const char *power_supply_name);
+ virtual void start_measurement(void);
+ virtual void end_measurement(void);
+
+ virtual double power(void) { return rate; }
+ virtual double dev_capacity(void) { return capacity; }
+};
+
+#endif