Index: device/generic_sensor/platform_sensor_iio.cc |
diff --git a/device/generic_sensor/platform_sensor_iio.cc b/device/generic_sensor/platform_sensor_iio.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c64e2b2c7c47908533593e05f917e811a94b7740 |
--- /dev/null |
+++ b/device/generic_sensor/platform_sensor_iio.cc |
@@ -0,0 +1,64 @@ |
+// 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. |
+ |
+#include <device/generic_sensor/platform_sensor_iio.h> |
+#include "base/message_loop/message_loop.h" |
+ |
+namespace device { |
+ |
+PlatformSensorIio::PlatformSensorIio( |
Mikhail
2016/10/11 14:46:47
pls add thread checks to methods
Mikhail
2016/10/11 14:46:47
pls add thread check to methods
maksims (do not use this acc)
2016/10/14 12:31:45
Done.
|
+ mojom::SensorType type, |
+ mojo::ScopedSharedBufferMapping mapping, |
+ PlatformSensorProvider* provider, |
+ scoped_refptr<base::SingleThreadTaskRunner> polling_task_runner) |
+ : PlatformSensor(type, std::move(mapping), provider), |
+ polling_thread_task_runner_(polling_task_runner), |
+ timer_(new base::RepeatingTimer()), |
+ weak_factory_(this) {} |
+ |
+PlatformSensorIio::~PlatformSensorIio() { |
+ polling_thread_task_runner_->DeleteSoon(FROM_HERE, timer_); |
+} |
+ |
+bool PlatformSensorIio::StartSensor( |
+ const PlatformSensorConfiguration& configuration) { |
+ return polling_thread_task_runner_->PostTask( |
+ FROM_HERE, base::Bind(&PlatformSensorIio::BeginPoll, |
+ weak_factory_.GetWeakPtr(), configuration)); |
+} |
+ |
+void PlatformSensorIio::BeginPoll( |
+ const PlatformSensorConfiguration& configuration) { |
+ DCHECK(polling_thread_task_runner_->BelongsToCurrentThread()); |
+ timer_->Start(FROM_HERE, base::TimeDelta::FromMicroseconds( |
+ base::Time::kMicrosecondsPerSecond / |
+ configuration.frequency()), |
+ this, &PlatformSensorIio::UpdateReading); |
+} |
+ |
+void PlatformSensorIio::StopSensor() { |
+ polling_thread_task_runner_->PostTask( |
+ FROM_HERE, base::Bind(&PlatformSensorIio::StopPoll, this)); |
+} |
+ |
+void PlatformSensorIio::StopPoll() { |
+ timer_->Stop(); |
+} |
+ |
+void PlatformSensorIio::OnSensorReadFailed() { |
+ StopSensor(); |
Mikhail
2016/10/11 14:46:47
is it called on polling thread? if so, than just c
|
+ task_runner_->PostTask(FROM_HERE, |
+ base::Bind(&PlatformSensorIio::NotifySensorError, |
+ weak_factory_.GetWeakPtr())); |
+} |
+ |
+bool PlatformSensorIio::CheckSensorConfiguration( |
+ const PlatformSensorConfiguration& configuration) { |
+ DCHECK(task_runner_->BelongsToCurrentThread()); |
+ return configuration.frequency() > 0 && |
+ configuration.frequency() <= |
+ mojom::SensorConfiguration::kMaxAllowedFrequency; |
+} |
+ |
+} // namespace device |