Index: device/generic_sensor/iio/platform_sensor_utils_iio.h |
diff --git a/device/generic_sensor/iio/platform_sensor_utils_iio.h b/device/generic_sensor/iio/platform_sensor_utils_iio.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f8579d3f18581752643b0c9cadca74f2bcfd958b |
--- /dev/null |
+++ b/device/generic_sensor/iio/platform_sensor_utils_iio.h |
@@ -0,0 +1,40 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef DEVICE_GENERIC_SENSOR_IIO_PLATFORM_SENSOR_UTILS_IIO_H_ |
+#define DEVICE_GENERIC_SENSOR_IIO_PLATFORM_SENSOR_UTILS_IIO_H_ |
+ |
+#include "base/files/file_path.h" |
+#include "device/generic_sensor/iio/sensor_data_iio.h" |
+#include "device/generic_sensor/public/cpp/sensor_reading.h" |
+ |
+namespace device { |
+ |
+// Generic reader class that reads sensors data from |
+// sensors files located in the base iio folder. |
+class SensorReader { |
Mikhail
2016/10/17 10:34:11
needs unit tests
darktears
2016/10/17 20:35:29
Potentially tricky. Not all ChromeOS have the afor
maksims (do not use this acc)
2016/10/18 06:50:41
There is no problem at all. It's possible to creat
maksims (do not use this acc)
2016/10/18 06:50:41
Got it!
|
+ public: |
+ ~SensorReader(); |
+ |
+ // Creates a new instance of SensorReader if sensor read files |
+ // has been found and |sensor_paths_| are set. |
+ static std::unique_ptr<SensorReader> Create(const SensorDataIio& data); |
+ |
+ // Reads sensor values into |*reading| from sensor files |
+ // specified in |sensor_paths_|. |
+ bool ReadSensorReading(SensorReading* reading); |
+ |
+ private: |
+ explicit SensorReader(std::vector<base::FilePath> sensor_paths); |
+ |
+ // Contains paths to sensor files that are set when |
+ // Create() is called. |
+ const std::vector<base::FilePath> sensor_paths_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(SensorReader); |
+}; |
+ |
+} // namespace device |
+ |
+#endif // DEVICE_GENERIC_SENSOR_IIO_PLATFORM_SENSOR_UTILS_IIO_H_ |