Copy ISensors 1.0 into 2.0 directory
Copy the current version of the Sensors HAL into the 2.0 directory to
provide a starting point to replace the polling function. Update
version and headers. Import types from version 1.0 of Sensors HAL.
Bug: 111070257
Test: Build succeeds
Change-Id: Ibd00d83016dedc06e583579a0d76c7baa8fbcd05
diff --git a/sensors/2.0/Android.bp b/sensors/2.0/Android.bp
new file mode 100644
index 0000000..4d22dcb
--- /dev/null
+++ b/sensors/2.0/Android.bp
@@ -0,0 +1,18 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+ name: "android.hardware.sensors@2.0",
+ root: "android.hardware",
+ vndk: {
+ enabled: true,
+ },
+ srcs: [
+ "ISensors.hal",
+ ],
+ interfaces: [
+ "android.hardware.sensors@1.0",
+ "android.hidl.base@1.0",
+ ],
+ gen_java: false,
+}
+
diff --git a/sensors/2.0/ISensors.hal b/sensors/2.0/ISensors.hal
new file mode 100644
index 0000000..6df454d
--- /dev/null
+++ b/sensors/2.0/ISensors.hal
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.sensors@2.0;
+
+import @1.0::Event;
+import @1.0::OperationMode;
+import @1.0::RateLevel;
+import @1.0::Result;
+import @1.0::SensorInfo;
+import @1.0::SharedMemInfo;
+
+interface ISensors {
+ /**
+ * Enumerate all available (static) sensors.
+ */
+ getSensorsList() generates (vec<SensorInfo> list);
+
+ /**
+ * Place the module in a specific mode. The following modes are defined
+ *
+ * SENSOR_HAL_NORMAL_MODE - Normal operation. Default state of the module.
+ *
+ * SENSOR_HAL_DATA_INJECTION_MODE - Loopback mode.
+ * Data is injected for the supported sensors by the sensor service in
+ * this mode.
+ *
+ * @return OK on success
+ * BAD_VALUE if requested mode is not supported
+ * PERMISSION_DENIED if operation is not allowed
+ */
+ setOperationMode(OperationMode mode) generates (Result result);
+
+ /**
+ * Activate/de-activate one sensor.
+ *
+ * After sensor de-activation, existing sensor events that have not
+ * been picked up by poll() must be abandoned immediately so that
+ * subsequent activations do not get stale sensor events (events
+ * that are generated prior to the latter activation).
+ *
+ * @param sensorHandle is the handle of the sensor to change.
+ * @param enabled set to true to enable, or false to disable the sensor.
+ * @return result OK on success, BAD_VALUE if sensorHandle is invalid.
+ */
+ activate(int32_t sensorHandle, bool enabled) generates (Result result);
+
+ /**
+ * Generate a vector of sensor events containing at most "maxCount"
+ * entries.
+ *
+ * Additionally a vector of SensorInfos is returned for any dynamic sensors
+ * connected as notified by returned events of type DYNAMIC_SENSOR_META.
+ *
+ * If there is no sensor event when this function is being called, block
+ * until there are sensor events available.
+ *
+ * @param maxCount max number of samples can be returned, must be > 0.
+ * Actual number of events returned in data must be <= maxCount and > 0
+ * @return result OK on success or BAD_VALUE if maxCount <= 0.
+ * @return data vector of Event contains sensor events.
+ * @return dynamicSensorsAdded vector of SensorInfo contains dynamic sensor
+ * added. Each element corresponds to a dynamic sensor meta events in
+ * data.
+ */
+ poll(int32_t maxCount)
+ generates (
+ Result result,
+ vec<Event> data,
+ vec<SensorInfo> dynamicSensorsAdded);
+
+ /**
+ * Sets a sensor’s parameters, including sampling frequency and maximum
+ * report latency. This function can be called while the sensor is
+ * activated, in which case it must not cause any sensor measurements to
+ * be lost: transitioning from one sampling rate to the other cannot cause
+ * lost events, nor can transitioning from a high maximum report latency to
+ * a low maximum report latency.
+ *
+ * @param sensorHandle handle of sensor to be changed.
+ * @param samplingPeriodNs specifies sensor sample period in nanoseconds.
+ * @param maxReportLatencyNs allowed delay time before an event is sampled
+ * to time of report.
+ * @return result OK on success, BAD_VALUE if any parameters are invalid.
+ */
+ batch(int32_t sensorHandle,
+ int64_t samplingPeriodNs,
+ int64_t maxReportLatencyNs)
+ generates (
+ Result result);
+
+ /**
+ * Trigger a flush of internal FIFO.
+ *
+ * Flush adds a FLUSH_COMPLETE metadata event to the end of the "batch mode"
+ * FIFO for the specified sensor and flushes the FIFO. If the FIFO is empty
+ * or if the sensor doesn't support batching (FIFO size zero), return
+ * SUCCESS and add a trivial FLUSH_COMPLETE event added to the event stream.
+ * This applies to all sensors other than one-shot sensors. If the sensor
+ * is a one-shot sensor, flush must return BAD_VALUE and not generate any
+ * flush complete metadata. If the sensor is not active at the time flush()
+ * is called, flush() return BAD_VALUE.
+ *
+ * @param sensorHandle handle of sensor to be flushed.
+ * @return result OK on success and BAD_VALUE if sensorHandle is invalid.
+ */
+ flush(int32_t sensorHandle) generates (Result result);
+
+ /**
+ * Inject a single sensor event or push operation environment parameters to
+ * device.
+ *
+ * When device is in NORMAL mode, this function is called to push operation
+ * environment data to device. In this operation, Event is always of
+ * SensorType::AdditionalInfo type. See operation evironment parameters
+ * section in AdditionalInfoType.
+ *
+ * When device is in DATA_INJECTION mode, this function is also used for
+ * injecting sensor events.
+ *
+ * Regardless of OperationMode, injected SensorType::ADDITIONAL_INFO
+ * type events should not be routed back to poll() function.
+ *
+ * @see AdditionalInfoType
+ * @see OperationMode
+ * @param event sensor event to be injected
+ * @return result OK on success; PERMISSION_DENIED if operation is not
+ * allowed; INVALID_OPERATION, if this functionality is unsupported;
+ * BAD_VALUE if sensor event cannot be injected.
+ */
+ injectSensorData(Event event) generates (Result result);
+
+ /**
+ * Register direct report channel.
+ *
+ * Register a direct channel with supplied shared memory information. Upon
+ * return, the sensor hardware is responsible for resetting the memory
+ * content to initial value (depending on memory format settings).
+ *
+ * @param mem shared memory info data structure.
+ * @return result OK on success; BAD_VALUE if shared memory information is
+ * not consistent; NO_MEMORY if shared memory cannot be used by sensor
+ * system; INVALID_OPERATION if functionality is not supported.
+ * @return channelHandle a positive integer used for referencing registered
+ * direct channel (>0) in configureDirectReport and
+ * unregisterDirectChannel if result is OK, -1 otherwise.
+ */
+ registerDirectChannel(SharedMemInfo mem)
+ generates (Result result,
+ int32_t channelHandle);
+
+ /**
+ * Unregister direct report channel.
+ *
+ * Unregister a direct channel previously registered using
+ * registerDirectChannel, and remove all active sensor report configured in
+ * still active sensor report configured in the direct channel.
+ *
+ * @param channelHandle handle of direct channel to be unregistered.
+ * @return result OK if direct report is supported; INVALID_OPERATION
+ * otherwise.
+ */
+ unregisterDirectChannel(int32_t channelHandle) generates (Result result);
+
+ /**
+ * Configure direct sensor event report in direct channel.
+ *
+ * This function start, modify rate or stop direct report of a sensor in a
+ * certain direct channel.
+ *
+ * @param sensorHandle handle of sensor to be configured. When combined
+ * with STOP rate, sensorHandle can be -1 to denote all active sensors
+ * in the direct channel specified by channel Handle.
+ * @param channelHandle handle of direct channel to be configured.
+ * @param rate rate level, see RateLevel enum.
+ * @return result OK on success; BAD_VALUE if parameter is invalid (such as
+ * rate level is not supported by sensor, channelHandle does not exist,
+ * etc); INVALID_OPERATION if functionality is not supported.
+ * @return reportToken positive integer to identify multiple sensors of
+ * the same type in a single direct channel. Ignored if rate is STOP.
+ * See SharedMemFormat.
+ */
+ configDirectReport(
+ int32_t sensorHandle,
+ int32_t channelHandle,
+ RateLevel rate
+ ) generates (
+ Result result,
+ int32_t reportToken);
+};