Add SensorManager support in inputflinger.
Add sensor device, sensor input mapper, sens event dispatcher support
into inputflinger.
Bug: 161634265
Test: atest inputflinger_tests
Change-Id: I2dcb2c35d9dccefc4cd8d939b79cf340931a9410
diff --git a/include/android/input.h b/include/android/input.h
index 38af89a..b5d399e 100644
--- a/include/android/input.h
+++ b/include/android/input.h
@@ -856,6 +856,8 @@
AINPUT_SOURCE_TOUCH_NAVIGATION = 0x00200000 | AINPUT_SOURCE_CLASS_NONE,
/** joystick */
AINPUT_SOURCE_JOYSTICK = 0x01000000 | AINPUT_SOURCE_CLASS_JOYSTICK,
+ /** sensor */
+ AINPUT_SOURCE_SENSOR = 0x02000000 | AINPUT_SOURCE_CLASS_JOYSTICK,
/** rotary encoder */
AINPUT_SOURCE_ROTARY_ENCODER = 0x00400000 | AINPUT_SOURCE_CLASS_NONE,
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
index 60638ca..23692e9 100644
--- a/include/input/InputDevice.h
+++ b/include/input/InputDevice.h
@@ -17,8 +17,10 @@
#ifndef _LIBINPUT_INPUT_DEVICE_H
#define _LIBINPUT_INPUT_DEVICE_H
+#include <android/sensor.h>
#include <input/Input.h>
#include <input/KeyCharacterMap.h>
+#include <unordered_map>
#include <vector>
namespace android {
@@ -63,6 +65,97 @@
std::string getCanonicalName() const;
};
+/* Types of input device sensors. Keep sync with core/java/android/hardware/Sensor.java */
+enum class InputDeviceSensorType : int32_t {
+ ACCELEROMETER = ASENSOR_TYPE_ACCELEROMETER,
+ MAGNETIC_FIELD = ASENSOR_TYPE_MAGNETIC_FIELD,
+ ORIENTATION = 3,
+ GYROSCOPE = ASENSOR_TYPE_GYROSCOPE,
+ LIGHT = ASENSOR_TYPE_LIGHT,
+ PRESSURE = ASENSOR_TYPE_PRESSURE,
+ TEMPERATURE = 7,
+ PROXIMITY = ASENSOR_TYPE_PROXIMITY,
+ GRAVITY = ASENSOR_TYPE_GRAVITY,
+ LINEAR_ACCELERATION = ASENSOR_TYPE_LINEAR_ACCELERATION,
+ ROTATION_VECTOR = ASENSOR_TYPE_ROTATION_VECTOR,
+ RELATIVE_HUMIDITY = ASENSOR_TYPE_RELATIVE_HUMIDITY,
+ AMBIENT_TEMPERATURE = ASENSOR_TYPE_AMBIENT_TEMPERATURE,
+ MAGNETIC_FIELD_UNCALIBRATED = ASENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED,
+ GAME_ROTATION_VECTOR = ASENSOR_TYPE_GAME_ROTATION_VECTOR,
+ GYROSCOPE_UNCALIBRATED = ASENSOR_TYPE_GYROSCOPE_UNCALIBRATED,
+ SIGNIFICANT_MOTION = ASENSOR_TYPE_SIGNIFICANT_MOTION,
+};
+
+enum class InputDeviceSensorAccuracy : int32_t {
+ ACCURACY_NONE = 0,
+ ACCURACY_LOW = 1,
+ ACCURACY_MEDIUM = 2,
+ ACCURACY_HIGH = 3,
+};
+
+enum class InputDeviceSensorReportingMode : int32_t {
+ CONTINUOUS = 0,
+ ON_CHANGE = 1,
+ ONE_SHOT = 2,
+ SPECIAL_TRIGGER = 3,
+};
+
+struct InputDeviceSensorInfo {
+ explicit InputDeviceSensorInfo(std::string name, std::string vendor, int32_t version,
+ InputDeviceSensorType type, InputDeviceSensorAccuracy accuracy,
+ float maxRange, float resolution, float power, int32_t minDelay,
+ int32_t fifoReservedEventCount, int32_t fifoMaxEventCount,
+ std::string stringType, int32_t maxDelay, int32_t flags,
+ int32_t id)
+ : name(name),
+ vendor(vendor),
+ version(version),
+ type(type),
+ accuracy(accuracy),
+ maxRange(maxRange),
+ resolution(resolution),
+ power(power),
+ minDelay(minDelay),
+ fifoReservedEventCount(fifoReservedEventCount),
+ fifoMaxEventCount(fifoMaxEventCount),
+ stringType(stringType),
+ maxDelay(maxDelay),
+ flags(flags),
+ id(id) {}
+ // Name string of the sensor.
+ std::string name;
+ // Vendor string of this sensor.
+ std::string vendor;
+ // Version of the sensor's module.
+ int32_t version;
+ // Generic type of this sensor.
+ InputDeviceSensorType type;
+ // The current accuracy of sensor event.
+ InputDeviceSensorAccuracy accuracy;
+ // Maximum range of the sensor in the sensor's unit.
+ float maxRange;
+ // Resolution of the sensor in the sensor's unit.
+ float resolution;
+ // The power in mA used by this sensor while in use.
+ float power;
+ // The minimum delay allowed between two events in microsecond or zero if this sensor only
+ // returns a value when the data it's measuring changes.
+ int32_t minDelay;
+ // Number of events reserved for this sensor in the batch mode FIFO.
+ int32_t fifoReservedEventCount;
+ // Maximum number of events of this sensor that could be batched.
+ int32_t fifoMaxEventCount;
+ // The type of this sensor as a string.
+ std::string stringType;
+ // The delay between two sensor events corresponding to the lowest frequency that this sensor
+ // supports.
+ int32_t maxDelay;
+ // Sensor flags
+ int32_t flags;
+ // Sensor id, same as the input device ID it belongs to.
+ int32_t id;
+};
+
/*
* Describes the characteristics and capabilities of an input device.
*/
@@ -104,6 +197,7 @@
void addMotionRange(int32_t axis, uint32_t source,
float min, float max, float flat, float fuzz, float resolution);
void addMotionRange(const MotionRange& range);
+ void addSensorInfo(const InputDeviceSensorInfo& info);
inline void setKeyboardType(int32_t keyboardType) { mKeyboardType = keyboardType; }
inline int32_t getKeyboardType() const { return mKeyboardType; }
@@ -122,10 +216,17 @@
inline void setButtonUnderPad(bool hasButton) { mHasButtonUnderPad = hasButton; }
inline bool hasButtonUnderPad() const { return mHasButtonUnderPad; }
+ inline void setHasSensor(bool hasSensor) { mHasSensor = hasSensor; }
+ inline bool hasSensor() const { return mHasSensor; }
+
inline const std::vector<MotionRange>& getMotionRanges() const {
return mMotionRanges;
}
+ const InputDeviceSensorInfo* getSensorInfo(InputDeviceSensorType type);
+
+ const std::vector<InputDeviceSensorType> getSensorTypes();
+
private:
int32_t mId;
int32_t mGeneration;
@@ -139,8 +240,10 @@
std::shared_ptr<KeyCharacterMap> mKeyCharacterMap;
bool mHasVibrator;
bool mHasButtonUnderPad;
+ bool mHasSensor;
std::vector<MotionRange> mMotionRanges;
+ std::unordered_map<InputDeviceSensorType, InputDeviceSensorInfo> mSensors;
};
/* Types of input device configuration files. */
diff --git a/include/input/KeyCharacterMap.h b/include/input/KeyCharacterMap.h
index 23f8ddf..451ca3c 100644
--- a/include/input/KeyCharacterMap.h
+++ b/include/input/KeyCharacterMap.h
@@ -142,6 +142,8 @@
void writeToParcel(Parcel* parcel) const;
#endif
+ bool operator==(const KeyCharacterMap& other) const;
+
KeyCharacterMap(const KeyCharacterMap& other);
virtual ~KeyCharacterMap();
diff --git a/include/input/KeyLayoutMap.h b/include/input/KeyLayoutMap.h
index 872dd45..b2bd535 100644
--- a/include/input/KeyLayoutMap.h
+++ b/include/input/KeyLayoutMap.h
@@ -24,6 +24,8 @@
#include <utils/RefBase.h>
#include <utils/Tokenizer.h>
+#include <input/InputDevice.h>
+
namespace android {
struct AxisInfo {
@@ -76,6 +78,8 @@
status_t mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const;
const std::string getLoadFileName() const;
+ // Return pair of sensor type and sensor data index, for the input device abs code
+ base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t absCode);
virtual ~KeyLayoutMap();
@@ -89,12 +93,17 @@
int32_t ledCode;
};
+ struct Sensor {
+ InputDeviceSensorType sensorType;
+ int32_t sensorDataIndex;
+ };
KeyedVector<int32_t, Key> mKeysByScanCode;
KeyedVector<int32_t, Key> mKeysByUsageCode;
KeyedVector<int32_t, AxisInfo> mAxes;
KeyedVector<int32_t, Led> mLedsByScanCode;
KeyedVector<int32_t, Led> mLedsByUsageCode;
+ std::unordered_map<int32_t, Sensor> mSensorsByAbsCode;
std::string mLoadFileName;
KeyLayoutMap();
@@ -114,6 +123,7 @@
status_t parseKey();
status_t parseAxis();
status_t parseLed();
+ status_t parseSensor();
};
};
diff --git a/libs/input/InputDevice.cpp b/libs/input/InputDevice.cpp
index 34eba5b..2ed441d 100644
--- a/libs/input/InputDevice.cpp
+++ b/libs/input/InputDevice.cpp
@@ -23,6 +23,7 @@
#include <android-base/stringprintf.h>
#include <input/InputDevice.h>
#include <input/InputEventLabels.h>
+#include <input/NamedEnum.h>
using android::base::StringPrintf;
@@ -166,7 +167,9 @@
mKeyCharacterMap(other.mKeyCharacterMap),
mHasVibrator(other.mHasVibrator),
mHasButtonUnderPad(other.mHasButtonUnderPad),
- mMotionRanges(other.mMotionRanges) {}
+ mHasSensor(other.mHasSensor),
+ mMotionRanges(other.mMotionRanges),
+ mSensors(other.mSensors) {}
InputDeviceInfo::~InputDeviceInfo() {
}
@@ -185,7 +188,9 @@
mKeyboardType = AINPUT_KEYBOARD_TYPE_NONE;
mHasVibrator = false;
mHasButtonUnderPad = false;
+ mHasSensor = false;
mMotionRanges.clear();
+ mSensors.clear();
}
const InputDeviceInfo::MotionRange* InputDeviceInfo::getMotionRange(
@@ -214,4 +219,28 @@
mMotionRanges.push_back(range);
}
+void InputDeviceInfo::addSensorInfo(const InputDeviceSensorInfo& info) {
+ if (mSensors.find(info.type) != mSensors.end()) {
+ ALOGW("Sensor type %s already exists, will be replaced by new sensor added.",
+ NamedEnum::string(info.type).c_str());
+ }
+ mSensors.insert_or_assign(info.type, info);
+}
+
+const std::vector<InputDeviceSensorType> InputDeviceInfo::getSensorTypes() {
+ std::vector<InputDeviceSensorType> types;
+ for (const auto& [type, info] : mSensors) {
+ types.push_back(type);
+ }
+ return types;
+}
+
+const InputDeviceSensorInfo* InputDeviceInfo::getSensorInfo(InputDeviceSensorType type) {
+ auto it = mSensors.find(type);
+ if (it == mSensors.end()) {
+ return nullptr;
+ }
+ return &it->second;
+}
+
} // namespace android
diff --git a/libs/input/KeyCharacterMap.cpp b/libs/input/KeyCharacterMap.cpp
index f5432ad..5666de6 100644
--- a/libs/input/KeyCharacterMap.cpp
+++ b/libs/input/KeyCharacterMap.cpp
@@ -103,6 +103,48 @@
}
}
+bool KeyCharacterMap::operator==(const KeyCharacterMap& other) const {
+ if (mType != other.mType) {
+ return false;
+ }
+ if (mKeys.size() != other.mKeys.size() ||
+ mKeysByScanCode.size() != other.mKeysByScanCode.size() ||
+ mKeysByUsageCode.size() != other.mKeysByUsageCode.size()) {
+ return false;
+ }
+
+ for (size_t i = 0; i < mKeys.size(); i++) {
+ if (mKeys.keyAt(i) != other.mKeys.keyAt(i)) {
+ return false;
+ }
+ const Key* key = mKeys.valueAt(i);
+ const Key* otherKey = other.mKeys.valueAt(i);
+ if (key->label != otherKey->label || key->number != otherKey->number) {
+ return false;
+ }
+ }
+
+ for (size_t i = 0; i < mKeysByScanCode.size(); i++) {
+ if (mKeysByScanCode.keyAt(i) != other.mKeysByScanCode.keyAt(i)) {
+ return false;
+ }
+ if (mKeysByScanCode.valueAt(i) != other.mKeysByScanCode.valueAt(i)) {
+ return false;
+ }
+ }
+
+ for (size_t i = 0; i < mKeysByUsageCode.size(); i++) {
+ if (mKeysByUsageCode.keyAt(i) != other.mKeysByUsageCode.keyAt(i)) {
+ return false;
+ }
+ if (mKeysByUsageCode.valueAt(i) != other.mKeysByUsageCode.valueAt(i)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
base::Result<std::shared_ptr<KeyCharacterMap>> KeyCharacterMap::load(const std::string& filename,
Format format) {
Tokenizer* tokenizer;
diff --git a/libs/input/KeyLayoutMap.cpp b/libs/input/KeyLayoutMap.cpp
index 16ce48a..d36e417 100644
--- a/libs/input/KeyLayoutMap.cpp
+++ b/libs/input/KeyLayoutMap.cpp
@@ -20,12 +20,13 @@
#include <android/keycodes.h>
#include <input/InputEventLabels.h>
-#include <input/Keyboard.h>
#include <input/KeyLayoutMap.h>
-#include <utils/Log.h>
+#include <input/Keyboard.h>
+#include <input/NamedEnum.h>
#include <utils/Errors.h>
-#include <utils/Tokenizer.h>
+#include <utils/Log.h>
#include <utils/Timers.h>
+#include <utils/Tokenizer.h>
// Enables debug output for the parser.
#define DEBUG_PARSER 0
@@ -41,6 +42,26 @@
static const char* WHITESPACE = " \t\r";
+#define SENSOR_ENTRY(type) NamedEnum::string(type), type
+static const std::unordered_map<std::string, InputDeviceSensorType> SENSOR_LIST =
+ {{SENSOR_ENTRY(InputDeviceSensorType::ACCELEROMETER)},
+ {SENSOR_ENTRY(InputDeviceSensorType::MAGNETIC_FIELD)},
+ {SENSOR_ENTRY(InputDeviceSensorType::ORIENTATION)},
+ {SENSOR_ENTRY(InputDeviceSensorType::GYROSCOPE)},
+ {SENSOR_ENTRY(InputDeviceSensorType::LIGHT)},
+ {SENSOR_ENTRY(InputDeviceSensorType::PRESSURE)},
+ {SENSOR_ENTRY(InputDeviceSensorType::TEMPERATURE)},
+ {SENSOR_ENTRY(InputDeviceSensorType::PROXIMITY)},
+ {SENSOR_ENTRY(InputDeviceSensorType::GRAVITY)},
+ {SENSOR_ENTRY(InputDeviceSensorType::LINEAR_ACCELERATION)},
+ {SENSOR_ENTRY(InputDeviceSensorType::ROTATION_VECTOR)},
+ {SENSOR_ENTRY(InputDeviceSensorType::RELATIVE_HUMIDITY)},
+ {SENSOR_ENTRY(InputDeviceSensorType::AMBIENT_TEMPERATURE)},
+ {SENSOR_ENTRY(InputDeviceSensorType::MAGNETIC_FIELD_UNCALIBRATED)},
+ {SENSOR_ENTRY(InputDeviceSensorType::GAME_ROTATION_VECTOR)},
+ {SENSOR_ENTRY(InputDeviceSensorType::GYROSCOPE_UNCALIBRATED)},
+ {SENSOR_ENTRY(InputDeviceSensorType::SIGNIFICANT_MOTION)}};
+
// --- KeyLayoutMap ---
KeyLayoutMap::KeyLayoutMap() {
@@ -127,6 +148,24 @@
return NO_ERROR;
}
+// Return pair of sensor type and sensor data index, for the input device abs code
+base::Result<std::pair<InputDeviceSensorType, int32_t>> KeyLayoutMap::mapSensor(int32_t absCode) {
+ auto it = mSensorsByAbsCode.find(absCode);
+ if (it == mSensorsByAbsCode.end()) {
+#if DEBUG_MAPPING
+ ALOGD("mapSensor: absCode=%d, ~ Failed.", absCode);
+#endif
+ return Errorf("Can't find abs code {}.", absCode);
+ }
+ const Sensor& sensor = it->second;
+
+#if DEBUG_MAPPING
+ ALOGD("mapSensor: absCode=%d, sensorType=0x%0x, sensorDataIndex=0x%x.", absCode,
+ NamedEnum::string(sensor.sensorType), sensor.sensorDataIndex);
+#endif
+ return std::make_pair(sensor.sensorType, sensor.sensorDataIndex);
+}
+
const KeyLayoutMap::Key* KeyLayoutMap::getKey(int32_t scanCode, int32_t usageCode) const {
if (usageCode) {
ssize_t index = mKeysByUsageCode.indexOfKey(usageCode);
@@ -242,6 +281,10 @@
mTokenizer->skipDelimiters(WHITESPACE);
status_t status = parseLed();
if (status) return status;
+ } else if (keywordToken == "sensor") {
+ mTokenizer->skipDelimiters(WHITESPACE);
+ status_t status = parseSensor();
+ if (status) return status;
} else {
ALOGE("%s: Expected keyword, got '%s'.", mTokenizer->getLocation().string(),
keywordToken.string());
@@ -468,4 +511,84 @@
map.add(code, led);
return NO_ERROR;
}
+
+static std::optional<InputDeviceSensorType> getSensorType(const char* token) {
+ auto it = SENSOR_LIST.find(std::string(token));
+ if (it == SENSOR_LIST.end()) {
+ return std::nullopt;
+ }
+ return it->second;
+}
+
+static std::optional<int32_t> getSensorDataIndex(String8 token) {
+ std::string tokenStr(token.string());
+ if (tokenStr == "X") {
+ return 0;
+ } else if (tokenStr == "Y") {
+ return 1;
+ } else if (tokenStr == "Z") {
+ return 2;
+ }
+ return std::nullopt;
+}
+
+// Parse sensor type and data index mapping, as below format
+// sensor <raw abs> <sensor type> <sensor data index>
+// raw abs : the linux abs code of the axis
+// sensor type : string name of InputDeviceSensorType
+// sensor data index : the data index of sensor, out of [X, Y, Z]
+// Examples:
+// sensor 0x00 ACCELEROMETER X
+// sensor 0x01 ACCELEROMETER Y
+// sensor 0x02 ACCELEROMETER Z
+// sensor 0x03 GYROSCOPE X
+// sensor 0x04 GYROSCOPE Y
+// sensor 0x05 GYROSCOPE Z
+status_t KeyLayoutMap::Parser::parseSensor() {
+ String8 codeToken = mTokenizer->nextToken(WHITESPACE);
+ char* end;
+ int32_t code = int32_t(strtol(codeToken.string(), &end, 0));
+ if (*end) {
+ ALOGE("%s: Expected sensor %s number, got '%s'.", mTokenizer->getLocation().string(),
+ "abs code", codeToken.string());
+ return BAD_VALUE;
+ }
+
+ std::unordered_map<int32_t, Sensor>& map = mMap->mSensorsByAbsCode;
+ if (map.find(code) != map.end()) {
+ ALOGE("%s: Duplicate entry for sensor %s '%s'.", mTokenizer->getLocation().string(),
+ "abs code", codeToken.string());
+ return BAD_VALUE;
+ }
+
+ mTokenizer->skipDelimiters(WHITESPACE);
+ String8 sensorTypeToken = mTokenizer->nextToken(WHITESPACE);
+ std::optional<InputDeviceSensorType> typeOpt = getSensorType(sensorTypeToken.string());
+ if (!typeOpt) {
+ ALOGE("%s: Expected sensor code label, got '%s'.", mTokenizer->getLocation().string(),
+ sensorTypeToken.string());
+ return BAD_VALUE;
+ }
+ InputDeviceSensorType sensorType = typeOpt.value();
+ mTokenizer->skipDelimiters(WHITESPACE);
+ String8 sensorDataIndexToken = mTokenizer->nextToken(WHITESPACE);
+ std::optional<int32_t> indexOpt = getSensorDataIndex(sensorDataIndexToken);
+ if (!indexOpt) {
+ ALOGE("%s: Expected sensor data index label, got '%s'.", mTokenizer->getLocation().string(),
+ sensorDataIndexToken.string());
+ return BAD_VALUE;
+ }
+ int32_t sensorDataIndex = indexOpt.value();
+
+#if DEBUG_PARSER
+ ALOGD("Parsed sensor: abs code=%d, sensorType=%d, sensorDataIndex=%d.", code,
+ NamedEnum::string(sensorType).c_str(), sensorDataIndex);
+#endif
+
+ Sensor sensor;
+ sensor.sensorType = sensorType;
+ sensor.sensorDataIndex = sensorDataIndex;
+ map.emplace(code, sensor);
+ return NO_ERROR;
+}
};
diff --git a/libs/input/tests/InputDevice_test.cpp b/libs/input/tests/InputDevice_test.cpp
index c174ae9..e2cf245 100644
--- a/libs/input/tests/InputDevice_test.cpp
+++ b/libs/input/tests/InputDevice_test.cpp
@@ -14,9 +14,12 @@
* limitations under the License.
*/
-
+#include <binder/Binder.h>
+#include <binder/Parcel.h>
#include <gtest/gtest.h>
#include <input/InputDevice.h>
+#include <input/KeyLayoutMap.h>
+#include <input/Keyboard.h>
namespace android {
@@ -31,4 +34,52 @@
ASSERT_EQ(std::string("deviceName-123_version_C_"), identifier.getCanonicalName());
}
+class InputDeviceKeyMapTest : public testing::Test {
+protected:
+ void loadKeyLayout(const char* name) {
+ std::string path =
+ getInputDeviceConfigurationFilePathByName(name,
+ InputDeviceConfigurationFileType::
+ KEY_LAYOUT);
+ ASSERT_FALSE(path.empty());
+ base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(path);
+ ASSERT_TRUE(ret) << "Cannot load KeyLayout at " << path;
+ mKeyMap.keyLayoutMap = std::move(*ret);
+ mKeyMap.keyLayoutFile = path;
+ }
+
+ void loadKeyCharacterMap(const char* name) {
+ InputDeviceIdentifier identifier;
+ identifier.name = name;
+ std::string path =
+ getInputDeviceConfigurationFilePathByName(identifier.getCanonicalName(),
+ InputDeviceConfigurationFileType::
+ KEY_CHARACTER_MAP);
+ ASSERT_FALSE(path.empty()) << "KeyCharacterMap for " << name << " not found";
+ base::Result<std::shared_ptr<KeyCharacterMap>> ret =
+ KeyCharacterMap::load(path, KeyCharacterMap::Format::BASE);
+ ASSERT_TRUE(ret) << "Cannot load KeyCharacterMap at " << path;
+ mKeyMap.keyCharacterMap = *ret;
+ mKeyMap.keyCharacterMapFile = path;
+ }
+
+ virtual void SetUp() override {
+ loadKeyLayout("Generic");
+ loadKeyCharacterMap("Generic");
+ }
+
+ virtual void TearDown() override {}
+
+ KeyMap mKeyMap;
+};
+
+TEST_F(InputDeviceKeyMapTest, keyCharacterMapParcelingTest) {
+ Parcel parcel;
+ mKeyMap.keyCharacterMap->writeToParcel(&parcel);
+ parcel.setDataPosition(0);
+ std::shared_ptr<KeyCharacterMap> map = KeyCharacterMap::readFromParcel(&parcel);
+ // Verify the key character map is the same as original
+ ASSERT_EQ(*map, *mKeyMap.keyCharacterMap);
+}
+
} // namespace android
\ No newline at end of file
diff --git a/services/inputflinger/InputClassifier.cpp b/services/inputflinger/InputClassifier.cpp
index eafb5ab..f5f0400 100644
--- a/services/inputflinger/InputClassifier.cpp
+++ b/services/inputflinger/InputClassifier.cpp
@@ -391,6 +391,11 @@
mListener->notifyMotion(&newArgs);
}
+void InputClassifier::notifySensor(const NotifySensorArgs* args) {
+ // pass through
+ mListener->notifySensor(args);
+}
+
void InputClassifier::notifySwitch(const NotifySwitchArgs* args) {
// pass through
mListener->notifySwitch(args);
diff --git a/services/inputflinger/InputClassifier.h b/services/inputflinger/InputClassifier.h
index 6965940..bf10920 100644
--- a/services/inputflinger/InputClassifier.h
+++ b/services/inputflinger/InputClassifier.h
@@ -229,6 +229,7 @@
virtual void notifyKey(const NotifyKeyArgs* args) override;
virtual void notifyMotion(const NotifyMotionArgs* args) override;
virtual void notifySwitch(const NotifySwitchArgs* args) override;
+ virtual void notifySensor(const NotifySensorArgs* args) override;
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) override;
void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) override;
diff --git a/services/inputflinger/InputListener.cpp b/services/inputflinger/InputListener.cpp
index 49a813e..4be49b1 100644
--- a/services/inputflinger/InputListener.cpp
+++ b/services/inputflinger/InputListener.cpp
@@ -211,6 +211,41 @@
listener->notifySwitch(this);
}
+// --- NotifySensorArgs ---
+
+NotifySensorArgs::NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy, bool accuracyChanged,
+ nsecs_t hwTimestamp, std::vector<float> values)
+ : NotifyArgs(id, eventTime),
+ deviceId(deviceId),
+ source(source),
+ sensorType(sensorType),
+ accuracy(accuracy),
+ accuracyChanged(accuracyChanged),
+ hwTimestamp(hwTimestamp),
+ values(std::move(values)) {}
+
+NotifySensorArgs::NotifySensorArgs(const NotifySensorArgs& other)
+ : NotifyArgs(other.id, other.eventTime),
+ deviceId(other.deviceId),
+ source(other.source),
+ sensorType(other.sensorType),
+ accuracy(other.accuracy),
+ accuracyChanged(other.accuracyChanged),
+ hwTimestamp(other.hwTimestamp),
+ values(other.values) {}
+
+bool NotifySensorArgs::operator==(const NotifySensorArgs rhs) const {
+ return id == rhs.id && eventTime == rhs.eventTime && sensorType == rhs.sensorType &&
+ accuracy == rhs.accuracy && accuracyChanged == rhs.accuracyChanged &&
+ hwTimestamp == rhs.hwTimestamp && values == rhs.values;
+}
+
+void NotifySensorArgs::notify(const sp<InputListenerInterface>& listener) const {
+ listener->notifySensor(this);
+}
+
// --- NotifyDeviceResetArgs ---
NotifyDeviceResetArgs::NotifyDeviceResetArgs(int32_t id, nsecs_t eventTime, int32_t deviceId)
@@ -286,6 +321,11 @@
mArgsQueue.push_back(new NotifySwitchArgs(*args));
}
+void QueuedInputListener::notifySensor(const NotifySensorArgs* args) {
+ traceEvent(__func__, args->id);
+ mArgsQueue.push_back(new NotifySensorArgs(*args));
+}
+
void QueuedInputListener::notifyDeviceReset(const NotifyDeviceResetArgs* args) {
traceEvent(__func__, args->id);
mArgsQueue.push_back(new NotifyDeviceResetArgs(*args));
diff --git a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
index 7c572b4..4e55872 100644
--- a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
+++ b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
@@ -66,6 +66,13 @@
void notifyFocusChanged(const sp<IBinder>&, const sp<IBinder>&) override {}
+ void notifySensorEvent(int32_t deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy, nsecs_t timestamp,
+ const std::vector<float>& values) override {}
+
+ void notifySensorAccuracy(int32_t deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy) override {}
+
void notifyUntrustedTouch(const std::string& obscuringPackage) override {}
void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) override {
diff --git a/services/inputflinger/dispatcher/Entry.cpp b/services/inputflinger/dispatcher/Entry.cpp
index d8a6548..f0976b9 100644
--- a/services/inputflinger/dispatcher/Entry.cpp
+++ b/services/inputflinger/dispatcher/Entry.cpp
@@ -239,6 +239,41 @@
return msg;
}
+// --- SensorEntry ---
+
+SensorEntry::SensorEntry(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ uint32_t policyFlags, nsecs_t hwTimestamp,
+ InputDeviceSensorType sensorType, InputDeviceSensorAccuracy accuracy,
+ bool accuracyChanged, std::vector<float> values)
+ : EventEntry(id, Type::SENSOR, eventTime, policyFlags),
+ deviceId(deviceId),
+ source(source),
+ sensorType(sensorType),
+ accuracy(accuracy),
+ accuracyChanged(accuracyChanged),
+ hwTimestamp(hwTimestamp),
+ values(std::move(values)) {}
+
+SensorEntry::~SensorEntry() {}
+
+std::string SensorEntry::getDescription() const {
+ std::string msg;
+ msg += StringPrintf("SensorEntry(deviceId=%d, source=0x%08x, sensorType=0x%08x, "
+ "accuracy=0x%08x, hwTimestamp=%" PRId64,
+ deviceId, source, sensorType, accuracy, hwTimestamp);
+
+ if (!GetBoolProperty("ro.debuggable", false)) {
+ for (size_t i = 0; i < values.size(); i++) {
+ if (i > 0) {
+ msg += ", ";
+ }
+ msg += StringPrintf("(%.3f)", values[i]);
+ }
+ }
+ msg += StringPrintf(", policyFlags=0x%08x", policyFlags);
+ return msg;
+}
+
// --- DispatchEntry ---
volatile int32_t DispatchEntry::sNextSeqAtomic;
diff --git a/services/inputflinger/dispatcher/Entry.h b/services/inputflinger/dispatcher/Entry.h
index fba5514..3a860f0 100644
--- a/services/inputflinger/dispatcher/Entry.h
+++ b/services/inputflinger/dispatcher/Entry.h
@@ -36,26 +36,10 @@
FOCUS,
KEY,
MOTION,
+ SENSOR,
POINTER_CAPTURE_CHANGED,
};
- static const char* typeToString(Type type) {
- switch (type) {
- case Type::CONFIGURATION_CHANGED:
- return "CONFIGURATION_CHANGED";
- case Type::DEVICE_RESET:
- return "DEVICE_RESET";
- case Type::FOCUS:
- return "FOCUS";
- case Type::KEY:
- return "KEY";
- case Type::MOTION:
- return "MOTION";
- case Type::POINTER_CAPTURE_CHANGED:
- return "POINTER_CAPTURE_CHANGED";
- }
- }
-
int32_t id;
Type type;
nsecs_t eventTime;
@@ -191,6 +175,25 @@
virtual ~MotionEntry();
};
+struct SensorEntry : EventEntry {
+ int32_t deviceId;
+ uint32_t source;
+ InputDeviceSensorType sensorType;
+ InputDeviceSensorAccuracy accuracy;
+ bool accuracyChanged;
+ nsecs_t hwTimestamp;
+
+ std::vector<float> values;
+
+ SensorEntry(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ uint32_t policyFlags, nsecs_t hwTimestamp, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy, bool accuracyChanged,
+ std::vector<float> values);
+ std::string getDescription() const override;
+
+ virtual ~SensorEntry();
+};
+
// Tracks the progress of dispatching a particular event to a particular connection.
struct DispatchEntry {
const uint32_t seq; // unique sequence number, never 0
@@ -257,6 +260,7 @@
sp<Connection> connection;
nsecs_t eventTime;
std::shared_ptr<KeyEntry> keyEntry;
+ std::shared_ptr<SensorEntry> sensorEntry;
std::shared_ptr<InputApplicationHandle> inputApplicationHandle;
std::string reason;
int32_t userActivityEventType;
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 6c44a54..3af3372 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -47,8 +47,6 @@
// Log debug messages about hover events.
#define DEBUG_HOVER 0
-#include "InputDispatcher.h"
-
#include <android-base/chrono_utils.h>
#include <android-base/stringprintf.h>
#include <android/os/IInputConstants.h>
@@ -73,6 +71,7 @@
#include <sstream>
#include "Connection.h"
+#include "InputDispatcher.h"
#define INDENT " "
#define INDENT2 " "
@@ -758,6 +757,23 @@
done = dispatchMotionLocked(currentTime, motionEntry, &dropReason, nextWakeupTime);
break;
}
+
+ case EventEntry::Type::SENSOR: {
+ std::shared_ptr<SensorEntry> sensorEntry =
+ std::static_pointer_cast<SensorEntry>(mPendingEvent);
+ if (dropReason == DropReason::NOT_DROPPED && isAppSwitchDue) {
+ dropReason = DropReason::APP_SWITCH;
+ }
+ // Sensor timestamps use SYSTEM_TIME_BOOTTIME time base, so we can't use
+ // 'currentTime' here, get SYSTEM_TIME_BOOTTIME instead.
+ nsecs_t bootTime = systemTime(SYSTEM_TIME_BOOTTIME);
+ if (dropReason == DropReason::NOT_DROPPED && isStaleEvent(bootTime, *sensorEntry)) {
+ dropReason = DropReason::STALE;
+ }
+ dispatchSensorLocked(currentTime, sensorEntry, &dropReason, nextWakeupTime);
+ done = true;
+ break;
+ }
}
if (done) {
@@ -873,6 +889,7 @@
}
case EventEntry::Type::CONFIGURATION_CHANGED:
case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::SENSOR:
case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
// nothing to do
break;
@@ -883,7 +900,10 @@
}
void InputDispatcher::addRecentEventLocked(std::shared_ptr<EventEntry> entry) {
- mRecentQueue.push_back(entry);
+ // Do not store sensor event in recent queue to avoid flooding the queue.
+ if (entry->type != EventEntry::Type::SENSOR) {
+ mRecentQueue.push_back(entry);
+ }
if (mRecentQueue.size() > RECENT_QUEUE_MAX_SIZE) {
mRecentQueue.pop_front();
}
@@ -1006,13 +1026,16 @@
}
break;
}
+ case EventEntry::Type::SENSOR: {
+ break;
+ }
case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
break;
}
case EventEntry::Type::FOCUS:
case EventEntry::Type::CONFIGURATION_CHANGED:
case EventEntry::Type::DEVICE_RESET: {
- LOG_ALWAYS_FATAL("Should not drop %s events", EventEntry::typeToString(entry.type));
+ LOG_ALWAYS_FATAL("Should not drop %s events", NamedEnum::string(entry.type).c_str());
break;
}
}
@@ -1365,6 +1388,51 @@
#endif
}
+void InputDispatcher::doNotifySensorLockedInterruptible(CommandEntry* commandEntry) {
+ mLock.unlock();
+
+ const std::shared_ptr<SensorEntry>& entry = commandEntry->sensorEntry;
+ if (entry->accuracyChanged) {
+ mPolicy->notifySensorAccuracy(entry->deviceId, entry->sensorType, entry->accuracy);
+ }
+ mPolicy->notifySensorEvent(entry->deviceId, entry->sensorType, entry->accuracy,
+ entry->hwTimestamp, entry->values);
+ mLock.lock();
+}
+
+void InputDispatcher::dispatchSensorLocked(nsecs_t currentTime, std::shared_ptr<SensorEntry> entry,
+ DropReason* dropReason, nsecs_t* nextWakeupTime) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("notifySensorEvent eventTime=%" PRId64 ", hwTimestamp=%" PRId64 ", deviceId=%d, "
+ "source=0x%x, sensorType=%s",
+ entry->eventTime, entry->hwTimestamp, entry->deviceId, entry->source,
+ NamedEnum::string(sensorType).c_str());
+#endif
+ std::unique_ptr<CommandEntry> commandEntry =
+ std::make_unique<CommandEntry>(&InputDispatcher::doNotifySensorLockedInterruptible);
+ commandEntry->sensorEntry = entry;
+ postCommandLocked(std::move(commandEntry));
+}
+
+bool InputDispatcher::flushSensor(int deviceId, InputDeviceSensorType sensorType) {
+#if DEBUG_OUTBOUND_EVENT_DETAILS
+ ALOGD("flushSensor deviceId=%d, sensorType=%s", deviceId,
+ NamedEnum::string(sensorType).c_str());
+#endif
+ { // acquire lock
+ std::scoped_lock _l(mLock);
+
+ for (auto it = mInboundQueue.begin(); it != mInboundQueue.end(); it++) {
+ std::shared_ptr<EventEntry> entry = *it;
+ if (entry->type == EventEntry::Type::SENSOR) {
+ it = mInboundQueue.erase(it);
+ releaseInboundEventLocked(entry);
+ }
+ }
+ }
+ return true;
+}
+
bool InputDispatcher::dispatchMotionLocked(nsecs_t currentTime, std::shared_ptr<MotionEntry> entry,
DropReason* dropReason, nsecs_t* nextWakeupTime) {
ATRACE_CALL();
@@ -1553,8 +1621,9 @@
case EventEntry::Type::POINTER_CAPTURE_CHANGED:
case EventEntry::Type::FOCUS:
case EventEntry::Type::CONFIGURATION_CHANGED:
- case EventEntry::Type::DEVICE_RESET: {
- ALOGE("%s events do not have a target display", EventEntry::typeToString(entry.type));
+ case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::SENSOR: {
+ ALOGE("%s events do not have a target display", NamedEnum::string(entry.type).c_str());
return ADISPLAY_ID_NONE;
}
}
@@ -1608,7 +1677,7 @@
if (focusedWindowHandle == nullptr && focusedApplicationHandle == nullptr) {
ALOGI("Dropping %s event because there is no focused window or focused application in "
"display %" PRId32 ".",
- EventEntry::typeToString(entry.type), displayId);
+ NamedEnum::string(entry.type).c_str(), displayId);
return InputEventInjectionResult::FAILED;
}
@@ -1633,7 +1702,7 @@
} else if (currentTime > *mNoFocusedWindowTimeoutTime) {
// Already raised ANR. Drop the event
ALOGE("Dropping %s event because there is no focused window",
- EventEntry::typeToString(entry.type));
+ NamedEnum::string(entry.type).c_str());
return InputEventInjectionResult::FAILED;
} else {
// Still waiting for the focused window
@@ -2476,9 +2545,10 @@
case EventEntry::Type::FOCUS:
case EventEntry::Type::CONFIGURATION_CHANGED:
case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::SENSOR:
case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
LOG_ALWAYS_FATAL("%s events are not user activity",
- EventEntry::typeToString(eventEntry.type));
+ NamedEnum::string(eventEntry.type).c_str());
break;
}
}
@@ -2522,7 +2592,7 @@
if (inputTarget.flags & InputTarget::FLAG_SPLIT) {
LOG_ALWAYS_FATAL_IF(eventEntry->type != EventEntry::Type::MOTION,
"Entry type %s should not have FLAG_SPLIT",
- EventEntry::typeToString(eventEntry->type));
+ NamedEnum::string(eventEntry->type).c_str());
const MotionEntry& originalMotionEntry = static_cast<const MotionEntry&>(*eventEntry);
if (inputTarget.pointerIds.count() != originalMotionEntry.pointerCount) {
@@ -2692,10 +2762,14 @@
case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
break;
}
+ case EventEntry::Type::SENSOR: {
+ LOG_ALWAYS_FATAL("SENSOR events should not go to apps via input channel");
+ break;
+ }
case EventEntry::Type::CONFIGURATION_CHANGED:
case EventEntry::Type::DEVICE_RESET: {
LOG_ALWAYS_FATAL("%s events should not go to apps",
- EventEntry::typeToString(newEntry.type));
+ NamedEnum::string(newEntry.type).c_str());
break;
}
}
@@ -2913,9 +2987,10 @@
}
case EventEntry::Type::CONFIGURATION_CHANGED:
- case EventEntry::Type::DEVICE_RESET: {
+ case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::SENSOR: {
LOG_ALWAYS_FATAL("Should never start dispatch cycles for %s events",
- EventEntry::typeToString(eventEntry.type));
+ NamedEnum::string(eventEntry.type).c_str());
return;
}
}
@@ -3209,13 +3284,14 @@
case EventEntry::Type::FOCUS:
case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
LOG_ALWAYS_FATAL("Canceling %s events is not supported",
- EventEntry::typeToString(cancelationEventEntry->type));
+ NamedEnum::string(cancelationEventEntry->type).c_str());
break;
}
case EventEntry::Type::CONFIGURATION_CHANGED:
- case EventEntry::Type::DEVICE_RESET: {
+ case EventEntry::Type::DEVICE_RESET:
+ case EventEntry::Type::SENSOR: {
LOG_ALWAYS_FATAL("%s event should not be found inside Connections's queue",
- EventEntry::typeToString(cancelationEventEntry->type));
+ NamedEnum::string(cancelationEventEntry->type).c_str());
break;
}
}
@@ -3270,9 +3346,10 @@
case EventEntry::Type::FOCUS:
case EventEntry::Type::CONFIGURATION_CHANGED:
case EventEntry::Type::DEVICE_RESET:
- case EventEntry::Type::POINTER_CAPTURE_CHANGED: {
+ case EventEntry::Type::POINTER_CAPTURE_CHANGED:
+ case EventEntry::Type::SENSOR: {
LOG_ALWAYS_FATAL("%s event should not be found inside Connections's queue",
- EventEntry::typeToString(downEventEntry->type));
+ NamedEnum::string(downEventEntry->type).c_str());
break;
}
}
@@ -3605,6 +3682,34 @@
}
}
+void InputDispatcher::notifySensor(const NotifySensorArgs* args) {
+#if DEBUG_INBOUND_EVENT_DETAILS
+ ALOGD("notifySensor - id=%" PRIx32 " eventTime=%" PRId64 ", deviceId=%d, source=0x%x, "
+ " sensorType=%s",
+ args->id, args->eventTime, args->deviceId, args->source,
+ NamedEnum::string(args->sensorType).c_str());
+#endif
+
+ bool needWake;
+ { // acquire lock
+ mLock.lock();
+
+ // Just enqueue a new sensor event.
+ std::unique_ptr<SensorEntry> newEntry =
+ std::make_unique<SensorEntry>(args->id, args->eventTime, args->deviceId,
+ args->source, 0 /* policyFlags*/, args->hwTimestamp,
+ args->sensorType, args->accuracy,
+ args->accuracyChanged, args->values);
+
+ needWake = enqueueInboundEventLocked(std::move(newEntry));
+ mLock.unlock();
+ } // release lock
+
+ if (needWake) {
+ mLooper->wake();
+ }
+}
+
bool InputDispatcher::shouldSendMotionToInputFilterLocked(const NotifyMotionArgs* args) {
return mInputFilterEnabled;
}
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index 5d37645..3004701 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -94,6 +94,7 @@
virtual void notifyKey(const NotifyKeyArgs* args) override;
virtual void notifyMotion(const NotifyMotionArgs* args) override;
virtual void notifySwitch(const NotifySwitchArgs* args) override;
+ virtual void notifySensor(const NotifySensorArgs* args) override;
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) override;
virtual void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) override;
@@ -128,6 +129,7 @@
virtual status_t removeInputChannel(const sp<IBinder>& connectionToken) override;
virtual status_t pilferPointers(const sp<IBinder>& token) override;
virtual void requestPointerCapture(const sp<IBinder>& windowToken, bool enabled) override;
+ virtual bool flushSensor(int deviceId, InputDeviceSensorType sensorType) override;
std::array<uint8_t, 32> sign(const VerifiedInputEvent& event) const;
@@ -392,7 +394,8 @@
DropReason& dropReason) REQUIRES(mLock);
void dispatchEventLocked(nsecs_t currentTime, std::shared_ptr<EventEntry> entry,
const std::vector<InputTarget>& inputTargets) REQUIRES(mLock);
-
+ void dispatchSensorLocked(nsecs_t currentTime, std::shared_ptr<SensorEntry> entry,
+ DropReason* dropReason, nsecs_t* nextWakeupTime) REQUIRES(mLock);
void logOutboundKeyDetails(const char* prefix, const KeyEntry& entry);
void logOutboundMotionDetails(const char* prefix, const MotionEntry& entry);
@@ -592,6 +595,7 @@
REQUIRES(mLock);
void doNotifyConnectionResponsiveLockedInterruptible(CommandEntry* commandEntry)
REQUIRES(mLock);
+ void doNotifySensorLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
void doNotifyUntrustedTouchLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
void doInterceptKeyBeforeDispatchingLockedInterruptible(CommandEntry* commandEntry)
REQUIRES(mLock);
diff --git a/services/inputflinger/dispatcher/InputState.cpp b/services/inputflinger/dispatcher/InputState.cpp
index 1656a21..3bb0bc9 100644
--- a/services/inputflinger/dispatcher/InputState.cpp
+++ b/services/inputflinger/dispatcher/InputState.cpp
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+#include "input/InputDevice.h"
+
#include "InputState.h"
#include "InputDispatcher.h"
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
index 2909d69..6e76c92 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherInterface.h
@@ -25,6 +25,7 @@
#include <android/os/InputEventInjectionResult.h>
#include <android/os/InputEventInjectionSync.h>
#include <input/InputApplication.h>
+#include <input/InputDevice.h>
#include <input/InputTransport.h>
#include <input/InputWindow.h>
#include <unordered_map>
@@ -193,6 +194,11 @@
* InputDispatcher is the source of truth of Pointer Capture.
*/
virtual void requestPointerCapture(const sp<IBinder>& windowToken, bool enabled) = 0;
+ /* Flush input device motion sensor.
+ *
+ * Returns true on success.
+ */
+ virtual bool flushSensor(int deviceId, InputDeviceSensorType sensorType) = 0;
};
} // namespace android
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
index c1821ab..d9ec020 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
@@ -68,6 +68,11 @@
/* Notifies the system that an input channel is unrecoverably broken. */
virtual void notifyInputChannelBroken(const sp<IBinder>& token) = 0;
virtual void notifyFocusChanged(const sp<IBinder>& oldToken, const sp<IBinder>& newToken) = 0;
+ virtual void notifySensorEvent(int32_t deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy, nsecs_t timestamp,
+ const std::vector<float>& values) = 0;
+ virtual void notifySensorAccuracy(int32_t deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy) = 0;
/* Notifies the system that an untrusted touch occurred. */
virtual void notifyUntrustedTouch(const std::string& obscuringPackage) = 0;
diff --git a/services/inputflinger/include/InputListener.h b/services/inputflinger/include/InputListener.h
index 58eb915..11f726d 100644
--- a/services/inputflinger/include/InputListener.h
+++ b/services/inputflinger/include/InputListener.h
@@ -20,6 +20,7 @@
#include <vector>
#include <input/Input.h>
+#include <input/InputDevice.h>
#include <input/TouchVideoFrame.h>
#include <utils/RefBase.h>
@@ -141,6 +142,30 @@
virtual void notify(const sp<InputListenerInterface>& listener) const;
};
+/* Describes a sensor event. */
+struct NotifySensorArgs : public NotifyArgs {
+ int32_t deviceId;
+ uint32_t source;
+ InputDeviceSensorType sensorType;
+ InputDeviceSensorAccuracy accuracy;
+ bool accuracyChanged;
+ nsecs_t hwTimestamp;
+ std::vector<float> values;
+
+ inline NotifySensorArgs() {}
+
+ NotifySensorArgs(int32_t id, nsecs_t eventTime, int32_t deviceId, uint32_t source,
+ InputDeviceSensorType sensorType, InputDeviceSensorAccuracy accuracy,
+ bool accuracyChanged, nsecs_t hwTimestamp, std::vector<float> values);
+
+ NotifySensorArgs(const NotifySensorArgs& other);
+
+ bool operator==(const NotifySensorArgs rhs) const;
+
+ ~NotifySensorArgs() override {}
+
+ void notify(const sp<InputListenerInterface>& listener) const override;
+};
/* Describes a switch event. */
struct NotifySwitchArgs : public NotifyArgs {
@@ -211,6 +236,7 @@
virtual void notifyKey(const NotifyKeyArgs* args) = 0;
virtual void notifyMotion(const NotifyMotionArgs* args) = 0;
virtual void notifySwitch(const NotifySwitchArgs* args) = 0;
+ virtual void notifySensor(const NotifySensorArgs* args) = 0;
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) = 0;
virtual void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) = 0;
};
@@ -231,6 +257,7 @@
virtual void notifyKey(const NotifyKeyArgs* args) override;
virtual void notifyMotion(const NotifyMotionArgs* args) override;
virtual void notifySwitch(const NotifySwitchArgs* args) override;
+ virtual void notifySensor(const NotifySensorArgs* args) override;
virtual void notifyDeviceReset(const NotifyDeviceResetArgs* args) override;
void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) override;
diff --git a/services/inputflinger/include/InputReaderBase.h b/services/inputflinger/include/InputReaderBase.h
index 6cce8ec..ea9b483 100644
--- a/services/inputflinger/include/InputReaderBase.h
+++ b/services/inputflinger/include/InputReaderBase.h
@@ -111,6 +111,17 @@
/* Return true if the device can send input events to the specified display. */
virtual bool canDispatchToDisplay(int32_t deviceId, int32_t displayId) = 0;
+
+ /* Enable sensor in input reader mapper. */
+ virtual bool enableSensor(int32_t deviceId, InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) = 0;
+
+ /* Disable sensor in input reader mapper. */
+ virtual void disableSensor(int32_t deviceId, InputDeviceSensorType sensorType) = 0;
+
+ /* Flush sensor data in input reader mapper. */
+ virtual void flushSensor(int32_t deviceId, InputDeviceSensorType sensorType) = 0;
};
// --- InputReaderConfiguration ---
diff --git a/services/inputflinger/reader/Android.bp b/services/inputflinger/reader/Android.bp
index 0ccada9..abda4ef 100644
--- a/services/inputflinger/reader/Android.bp
+++ b/services/inputflinger/reader/Android.bp
@@ -37,6 +37,7 @@
"mapper/KeyboardInputMapper.cpp",
"mapper/MultiTouchInputMapper.cpp",
"mapper/RotaryEncoderInputMapper.cpp",
+ "mapper/SensorInputMapper.cpp",
"mapper/SingleTouchInputMapper.cpp",
"mapper/SwitchInputMapper.cpp",
"mapper/TouchInputMapper.cpp",
diff --git a/services/inputflinger/reader/EventHub.cpp b/services/inputflinger/reader/EventHub.cpp
index f864c0e..b97ff90 100644
--- a/services/inputflinger/reader/EventHub.cpp
+++ b/services/inputflinger/reader/EventHub.cpp
@@ -157,6 +157,18 @@
}
}
+ if (deviceClasses.test(InputDeviceClass::SENSOR)) {
+ switch (axis) {
+ case ABS_X:
+ case ABS_Y:
+ case ABS_Z:
+ case ABS_RX:
+ case ABS_RY:
+ case ABS_RZ:
+ return InputDeviceClass::SENSOR;
+ }
+ }
+
// External stylus gets the pressure axis
if (deviceClasses.test(InputDeviceClass::EXTERNAL_STYLUS)) {
if (axis == ABS_PRESSURE) {
@@ -250,6 +262,11 @@
// uses the timestamps extensively and assumes they were recorded using the monotonic
// clock.
int clockId = CLOCK_MONOTONIC;
+ if (classes.test(InputDeviceClass::SENSOR)) {
+ // Each new sensor event should use the same time base as
+ // SystemClock.elapsedRealtimeNanos().
+ clockId = CLOCK_BOOTTIME;
+ }
bool usingClockIoctl = !ioctl(fd, EVIOCSCLOCKID, &clockId);
ALOGI("usingClockIoctl=%s", toString(usingClockIoctl));
}
@@ -550,6 +567,15 @@
: false;
}
+bool EventHub::hasMscEvent(int32_t deviceId, int mscEvent) const {
+ std::scoped_lock _l(mLock);
+
+ Device* device = getDeviceLocked(deviceId);
+ return mscEvent >= 0 && mscEvent <= MSC_MAX && device != nullptr
+ ? device->mscBitmask.test(mscEvent)
+ : false;
+}
+
int32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const {
if (scanCode >= 0 && scanCode <= KEY_MAX) {
std::scoped_lock _l(mLock);
@@ -705,6 +731,17 @@
return NAME_NOT_FOUND;
}
+base::Result<std::pair<InputDeviceSensorType, int32_t>> EventHub::mapSensor(int32_t deviceId,
+ int32_t absCode) {
+ std::scoped_lock _l(mLock);
+ Device* device = getDeviceLocked(deviceId);
+
+ if (device != nullptr && device->keyMap.haveKeyLayout()) {
+ return device->keyMap.keyLayoutMap->mapSensor(absCode);
+ }
+ return Errorf("Device not found or device has no key layout.");
+}
+
void EventHub::setExcludedDevices(const std::vector<std::string>& devices) {
std::scoped_lock _l(mLock);
@@ -1405,6 +1442,7 @@
device->readDeviceBitMask(EVIOCGBIT(EV_SW, 0), device->swBitmask);
device->readDeviceBitMask(EVIOCGBIT(EV_LED, 0), device->ledBitmask);
device->readDeviceBitMask(EVIOCGBIT(EV_FF, 0), device->ffBitmask);
+ device->readDeviceBitMask(EVIOCGBIT(EV_MSC, 0), device->mscBitmask);
device->readDeviceBitMask(EVIOCGPROP(0), device->propBitmask);
// See if this is a keyboard. Ignore everything in the button range except for
@@ -1469,6 +1507,11 @@
}
}
+ // Check whether this device is an accelerometer.
+ if (device->propBitmask.test(INPUT_PROP_ACCELEROMETER)) {
+ device->classes |= InputDeviceClass::SENSOR;
+ }
+
// Check whether this device has switches.
for (int i = 0; i <= SW_MAX; i++) {
if (device->swBitmask.test(i)) {
@@ -1493,9 +1536,11 @@
}
// Load the key map.
- // We need to do this for joysticks too because the key layout may specify axes.
+ // We need to do this for joysticks too because the key layout may specify axes, and for
+ // sensor as well because the key layout may specify the axes to sensor data mapping.
status_t keyMapStatus = NAME_NOT_FOUND;
- if (device->classes.any(InputDeviceClass::KEYBOARD | InputDeviceClass::JOYSTICK)) {
+ if (device->classes.any(InputDeviceClass::KEYBOARD | InputDeviceClass::JOYSTICK |
+ InputDeviceClass::SENSOR)) {
// Load the keymap for the device.
keyMapStatus = device->loadKeyMapLocked();
}
diff --git a/services/inputflinger/reader/InputDevice.cpp b/services/inputflinger/reader/InputDevice.cpp
index d25d64a..ac72ac4 100644
--- a/services/inputflinger/reader/InputDevice.cpp
+++ b/services/inputflinger/reader/InputDevice.cpp
@@ -28,6 +28,7 @@
#include "KeyboardInputMapper.h"
#include "MultiTouchInputMapper.h"
#include "RotaryEncoderInputMapper.h"
+#include "SensorInputMapper.h"
#include "SingleTouchInputMapper.h"
#include "SwitchInputMapper.h"
#include "VibratorInputMapper.h"
@@ -196,6 +197,11 @@
mappers.push_back(std::make_unique<JoystickInputMapper>(*contextPtr));
}
+ // Motion sensor enabled devices.
+ if (classes.test(InputDeviceClass::SENSOR)) {
+ mappers.push_back(std::make_unique<SensorInputMapper>(*contextPtr));
+ }
+
// External stylus-like devices.
if (classes.test(InputDeviceClass::EXTERNAL_STYLUS)) {
mappers.push_back(std::make_unique<ExternalStylusInputMapper>(*contextPtr));
@@ -460,6 +466,25 @@
return vibrators;
}
+bool InputDevice::enableSensor(InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) {
+ bool success = true;
+ for_each_mapper(
+ [&success, sensorType, samplingPeriod, maxBatchReportLatency](InputMapper& mapper) {
+ success &= mapper.enableSensor(sensorType, samplingPeriod, maxBatchReportLatency);
+ });
+ return success;
+}
+
+void InputDevice::disableSensor(InputDeviceSensorType sensorType) {
+ for_each_mapper([sensorType](InputMapper& mapper) { mapper.disableSensor(sensorType); });
+}
+
+void InputDevice::flushSensor(InputDeviceSensorType sensorType) {
+ for_each_mapper([sensorType](InputMapper& mapper) { mapper.flushSensor(sensorType); });
+}
+
void InputDevice::cancelTouch(nsecs_t when) {
for_each_mapper([when](InputMapper& mapper) { mapper.cancelTouch(when); });
}
diff --git a/services/inputflinger/reader/InputReader.cpp b/services/inputflinger/reader/InputReader.cpp
index a6b5e2d..be21ace 100644
--- a/services/inputflinger/reader/InputReader.cpp
+++ b/services/inputflinger/reader/InputReader.cpp
@@ -220,6 +220,11 @@
if (device->getClasses().test(InputDeviceClass::EXTERNAL_STYLUS)) {
notifyExternalStylusPresenceChangedLocked();
}
+
+ // Sensor input device is noisy, to save power disable it by default.
+ if (device->getClasses().test(InputDeviceClass::SENSOR)) {
+ mEventHub->disableDevice(eventHubId);
+ }
}
void InputReader::removeDeviceLocked(nsecs_t when, int32_t eventHubId) {
@@ -639,6 +644,36 @@
return {};
}
+void InputReader::disableSensor(int32_t deviceId, InputDeviceSensorType sensorType) {
+ std::scoped_lock _l(mLock);
+
+ InputDevice* device = findInputDeviceLocked(deviceId);
+ if (device) {
+ device->disableSensor(sensorType);
+ }
+}
+
+bool InputReader::enableSensor(int32_t deviceId, InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) {
+ std::scoped_lock _l(mLock);
+
+ InputDevice* device = findInputDeviceLocked(deviceId);
+ if (device) {
+ return device->enableSensor(sensorType, samplingPeriod, maxBatchReportLatency);
+ }
+ return false;
+}
+
+void InputReader::flushSensor(int32_t deviceId, InputDeviceSensorType sensorType) {
+ std::scoped_lock _l(mLock);
+
+ InputDevice* device = findInputDeviceLocked(deviceId);
+ if (device) {
+ device->flushSensor(sensorType);
+ }
+}
+
bool InputReader::isInputDeviceEnabled(int32_t deviceId) {
std::scoped_lock _l(mLock);
diff --git a/services/inputflinger/reader/include/EventHub.h b/services/inputflinger/reader/include/EventHub.h
index 9e38d0a..2cea017 100644
--- a/services/inputflinger/reader/include/EventHub.h
+++ b/services/inputflinger/reader/include/EventHub.h
@@ -118,6 +118,9 @@
/* The input device has a rotary encoder */
ROTARY_ENCODER = 0x00001000,
+ /* The input device has a sensor like accelerometer, gyro, etc */
+ SENSOR = 0x00002000,
+
/* The input device is virtual (not a real device, not part of UI configuration). */
VIRTUAL = 0x40000000,
@@ -177,6 +180,8 @@
virtual bool hasInputProperty(int32_t deviceId, int property) const = 0;
+ virtual bool hasMscEvent(int32_t deviceId, int mscEvent) const = 0;
+
virtual status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode,
int32_t metaState, int32_t* outKeycode, int32_t* outMetaState,
uint32_t* outFlags) const = 0;
@@ -201,6 +206,8 @@
*/
virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) = 0;
virtual std::vector<TouchVideoFrame> getVideoFrames(int32_t deviceId) = 0;
+ virtual base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t deviceId,
+ int32_t absCode) = 0;
/*
* Query current input state.
@@ -346,6 +353,8 @@
bool hasInputProperty(int32_t deviceId, int property) const override final;
+ bool hasMscEvent(int32_t deviceId, int mscEvent) const override final;
+
status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
int32_t* outKeycode, int32_t* outMetaState,
uint32_t* outFlags) const override final;
@@ -353,6 +362,9 @@
status_t mapAxis(int32_t deviceId, int32_t scanCode,
AxisInfo* outAxisInfo) const override final;
+ base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(
+ int32_t deviceId, int32_t absCode) override final;
+
void setExcludedDevices(const std::vector<std::string>& devices) override final;
int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const override final;
@@ -420,6 +432,7 @@
BitArray<LED_MAX> ledBitmask;
BitArray<FF_MAX> ffBitmask;
BitArray<INPUT_PROP_MAX> propBitmask;
+ BitArray<MSC_MAX> mscBitmask;
std::string configurationFile;
std::unique_ptr<PropertyMap> configuration;
diff --git a/services/inputflinger/reader/include/InputDevice.h b/services/inputflinger/reader/include/InputDevice.h
index 8b14b06..5af76b7 100644
--- a/services/inputflinger/reader/include/InputDevice.h
+++ b/services/inputflinger/reader/include/InputDevice.h
@@ -87,6 +87,10 @@
bool isVibrating();
std::vector<int32_t> getVibratorIds();
void cancelTouch(nsecs_t when);
+ bool enableSensor(InputDeviceSensorType sensorType, std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency);
+ void disableSensor(InputDeviceSensorType sensorType);
+ void flushSensor(InputDeviceSensorType sensorType);
int32_t getMetaState();
void updateMetaState(int32_t keyCode);
@@ -229,9 +233,12 @@
inline bool hasRelativeAxis(int32_t code) const {
return mEventHub->hasRelativeAxis(mId, code);
}
- inline bool hasInputProperty(int property) const {
+ inline bool hasInputProperty(int32_t property) const {
return mEventHub->hasInputProperty(mId, property);
}
+
+ inline bool hasMscEvent(int mscEvent) const { return mEventHub->hasMscEvent(mId, mscEvent); }
+
inline status_t mapKey(int32_t scanCode, int32_t usageCode, int32_t metaState,
int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const {
return mEventHub->mapKey(mId, scanCode, usageCode, metaState, outKeycode, outMetaState,
@@ -240,6 +247,10 @@
inline status_t mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const {
return mEventHub->mapAxis(mId, scanCode, outAxisInfo);
}
+ inline base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t absCode) {
+ return mEventHub->mapSensor(mId, absCode);
+ }
+
inline std::vector<TouchVideoFrame> getVideoFrames() { return mEventHub->getVideoFrames(mId); }
inline int32_t getScanCodeState(int32_t scanCode) const {
return mEventHub->getScanCodeState(mId, scanCode);
diff --git a/services/inputflinger/reader/include/InputReader.h b/services/inputflinger/reader/include/InputReader.h
index b16b86c..48d4596 100644
--- a/services/inputflinger/reader/include/InputReader.h
+++ b/services/inputflinger/reader/include/InputReader.h
@@ -87,6 +87,14 @@
bool canDispatchToDisplay(int32_t deviceId, int32_t displayId) override;
+ bool enableSensor(int32_t deviceId, InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) override;
+
+ void disableSensor(int32_t deviceId, InputDeviceSensorType sensorType) override;
+
+ void flushSensor(int32_t deviceId, InputDeviceSensorType sensorType) override;
+
protected:
// These members are protected so they can be instrumented by test cases.
virtual std::shared_ptr<InputDevice> createDeviceLocked(int32_t deviceId,
diff --git a/services/inputflinger/reader/mapper/InputMapper.cpp b/services/inputflinger/reader/mapper/InputMapper.cpp
index 913cef7..1ce54ae 100644
--- a/services/inputflinger/reader/mapper/InputMapper.cpp
+++ b/services/inputflinger/reader/mapper/InputMapper.cpp
@@ -70,6 +70,16 @@
void InputMapper::cancelTouch(nsecs_t when) {}
+bool InputMapper::enableSensor(InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) {
+ return true;
+}
+
+void InputMapper::disableSensor(InputDeviceSensorType sensorType) {}
+
+void InputMapper::flushSensor(InputDeviceSensorType sensorType) {}
+
int32_t InputMapper::getMetaState() {
return 0;
}
diff --git a/services/inputflinger/reader/mapper/InputMapper.h b/services/inputflinger/reader/mapper/InputMapper.h
index 088dbd8..bd64d8d 100644
--- a/services/inputflinger/reader/mapper/InputMapper.h
+++ b/services/inputflinger/reader/mapper/InputMapper.h
@@ -68,6 +68,11 @@
virtual bool isVibrating();
virtual std::vector<int32_t> getVibratorIds();
virtual void cancelTouch(nsecs_t when);
+ virtual bool enableSensor(InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency);
+ virtual void disableSensor(InputDeviceSensorType sensorType);
+ virtual void flushSensor(InputDeviceSensorType sensorType);
virtual int32_t getMetaState();
virtual void updateMetaState(int32_t keyCode);
diff --git a/services/inputflinger/reader/mapper/SensorInputMapper.cpp b/services/inputflinger/reader/mapper/SensorInputMapper.cpp
new file mode 100644
index 0000000..7d97014
--- /dev/null
+++ b/services/inputflinger/reader/mapper/SensorInputMapper.cpp
@@ -0,0 +1,421 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#include <locale>
+
+#include "../Macros.h"
+
+#include "SensorInputMapper.h"
+
+// Log detailed debug messages about each sensor event notification to the dispatcher.
+constexpr bool DEBUG_SENSOR_EVENT_DETAILS = false;
+
+namespace android {
+
+// Mask for the LSB 2nd, 3rd and fourth bits.
+constexpr int REPORTING_MODE_MASK = 0xE;
+constexpr int REPORTING_MODE_SHIFT = 1;
+constexpr float GRAVITY_MS2_UNIT = 9.80665f;
+constexpr float DEGREE_RADIAN_UNIT = 0.0174533f;
+
+/* Convert the sensor data from Linux to Android
+ * Linux accelerometer unit is per g, Android unit is m/s^2
+ * Linux gyroscope unit is degree/second, Android unit is radians/second
+ */
+static void convertFromLinuxToAndroid(std::vector<float>& values,
+ InputDeviceSensorType sensorType) {
+ for (size_t i = 0; i < values.size(); i++) {
+ switch (sensorType) {
+ case InputDeviceSensorType::ACCELEROMETER:
+ values[i] *= GRAVITY_MS2_UNIT;
+ break;
+ case InputDeviceSensorType::GYROSCOPE:
+ values[i] *= DEGREE_RADIAN_UNIT;
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+SensorInputMapper::SensorInputMapper(InputDeviceContext& deviceContext)
+ : InputMapper(deviceContext) {}
+
+SensorInputMapper::~SensorInputMapper() {}
+
+uint32_t SensorInputMapper::getSources() {
+ return AINPUT_SOURCE_SENSOR;
+}
+
+template <typename T>
+bool SensorInputMapper::tryGetProperty(std::string keyName, T& outValue) {
+ const auto& config = getDeviceContext().getConfiguration();
+ return config.tryGetProperty(String8(keyName.c_str()), outValue);
+}
+
+void SensorInputMapper::parseSensorConfiguration(InputDeviceSensorType sensorType, int32_t absCode,
+ int32_t sensorDataIndex, const Axis& axis) {
+ auto it = mSensors.find(sensorType);
+ if (it == mSensors.end()) {
+ Sensor sensor = createSensor(sensorType, axis);
+ sensor.dataVec[sensorDataIndex] = absCode;
+ mSensors.emplace(sensorType, sensor);
+ } else {
+ it->second.dataVec[sensorDataIndex] = absCode;
+ }
+}
+
+void SensorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
+ InputMapper::populateDeviceInfo(info);
+
+ for (const auto& [sensorType, sensor] : mSensors) {
+ info->addSensorInfo(sensor.sensorInfo);
+ info->setHasSensor(true);
+ }
+}
+
+void SensorInputMapper::dump(std::string& dump) {
+ dump += INDENT2 "Sensor Input Mapper:\n";
+ dump += StringPrintf(INDENT3 " isDeviceEnabled %d\n", getDeviceContext().isDeviceEnabled());
+ dump += StringPrintf(INDENT3 " mHasHardwareTimestamp %d\n", mHasHardwareTimestamp);
+ dump += INDENT3 "Sensors:\n";
+ for (const auto& [sensorType, sensor] : mSensors) {
+ dump += StringPrintf(INDENT4 "%s\n", NamedEnum::string(sensorType).c_str());
+ dump += StringPrintf(INDENT5 "enabled: %d\n", sensor.enabled);
+ dump += StringPrintf(INDENT5 "samplingPeriod: %lld\n", sensor.samplingPeriod.count());
+ dump += StringPrintf(INDENT5 "maxBatchReportLatency: %lld\n",
+ sensor.maxBatchReportLatency.count());
+ dump += StringPrintf(INDENT5 "maxRange: %f\n", sensor.sensorInfo.maxRange);
+ dump += StringPrintf(INDENT5 "power: %f\n", sensor.sensorInfo.power);
+ for (ssize_t i = 0; i < SENSOR_VEC_LEN; i++) {
+ int32_t rawAxis = sensor.dataVec[i];
+ dump += StringPrintf(INDENT5 "[%zd]: rawAxis: %d \n", i, rawAxis);
+ const auto it = mAxes.find(rawAxis);
+ if (it != mAxes.end()) {
+ const Axis& axis = it->second;
+ dump += StringPrintf(INDENT5 " min=%0.5f, max=%0.5f, flat=%0.5f, fuzz=%0.5f,"
+ "resolution=%0.5f\n",
+ axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
+ dump += StringPrintf(INDENT5 " scale=%0.5f, offset=%0.5f\n", axis.scale,
+ axis.offset);
+ dump += StringPrintf(INDENT5 " rawMin=%d, rawMax=%d, "
+ "rawFlat=%d, rawFuzz=%d, rawResolution=%d\n",
+ axis.rawAxisInfo.minValue, axis.rawAxisInfo.maxValue,
+ axis.rawAxisInfo.flat, axis.rawAxisInfo.fuzz,
+ axis.rawAxisInfo.resolution);
+ }
+ }
+ }
+}
+
+void SensorInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config,
+ uint32_t changes) {
+ InputMapper::configure(when, config, changes);
+
+ if (!changes) { // first time only
+ mDeviceEnabled = true;
+ // Check if device has MSC_TIMESTAMP event.
+ mHasHardwareTimestamp = getDeviceContext().hasMscEvent(MSC_TIMESTAMP);
+ // Collect all axes.
+ for (int32_t abs = ABS_X; abs <= ABS_MAX; abs++) {
+ // axis must be claimed by sensor class device
+ if (!(getAbsAxisUsage(abs, getDeviceContext().getDeviceClasses())
+ .test(InputDeviceClass::SENSOR))) {
+ continue;
+ }
+ RawAbsoluteAxisInfo rawAxisInfo;
+ getAbsoluteAxisInfo(abs, &rawAxisInfo);
+ if (rawAxisInfo.valid) {
+ AxisInfo axisInfo;
+ // Axis doesn't need to be mapped, as sensor mapper doesn't generate any motion
+ // input events
+ axisInfo.mode = AxisInfo::MODE_NORMAL;
+ axisInfo.axis = -1;
+ // Check key layout map for sensor data mapping to axes
+ auto ret = getDeviceContext().mapSensor(abs);
+ if (ret) {
+ InputDeviceSensorType sensorType = (*ret).first;
+ int32_t sensorDataIndex = (*ret).second;
+ const Axis& axis = createAxis(axisInfo, rawAxisInfo);
+ parseSensorConfiguration(sensorType, abs, sensorDataIndex, axis);
+
+ mAxes.insert({abs, axis});
+ }
+ }
+ }
+ }
+}
+
+SensorInputMapper::Axis SensorInputMapper::createAxis(const AxisInfo& axisInfo,
+ const RawAbsoluteAxisInfo& rawAxisInfo) {
+ // Apply flat override.
+ int32_t rawFlat = axisInfo.flatOverride < 0 ? rawAxisInfo.flat : axisInfo.flatOverride;
+
+ float scale = std::numeric_limits<float>::signaling_NaN();
+ float offset = 0;
+
+ // resolution is 1 of sensor's unit. For accelerometer, it is G, for gyroscope,
+ // it is degree/s.
+ scale = 1.0f / rawAxisInfo.resolution;
+ offset = avg(rawAxisInfo.minValue, rawAxisInfo.maxValue) * -scale;
+
+ const float max = rawAxisInfo.maxValue / rawAxisInfo.resolution;
+ const float min = rawAxisInfo.minValue / rawAxisInfo.resolution;
+ const float flat = rawFlat * scale;
+ const float fuzz = rawAxisInfo.fuzz * scale;
+ const float resolution = rawAxisInfo.resolution;
+
+ // To eliminate noise while the Sensor is at rest, filter out small variations
+ // in axis values up front.
+ const float filter = fuzz ? fuzz : flat * 0.25f;
+ return Axis(rawAxisInfo, axisInfo, scale, offset, min, max, flat, fuzz, resolution, filter);
+}
+
+void SensorInputMapper::reset(nsecs_t when) {
+ // Recenter all axes.
+ for (std::pair<const int32_t, Axis>& pair : mAxes) {
+ Axis& axis = pair.second;
+ axis.resetValue();
+ }
+ mHardwareTimestamp = 0;
+ mPrevMscTime = 0;
+ InputMapper::reset(when);
+}
+
+SensorInputMapper::Sensor SensorInputMapper::createSensor(InputDeviceSensorType sensorType,
+ const Axis& axis) {
+ InputDeviceIdentifier identifier = getDeviceContext().getDeviceIdentifier();
+ // Sensor Id will be assigned to device Id to distinguish same sensor from multiple input
+ // devices, in such a way that the sensor Id will be same as input device Id.
+ // The sensorType is to distinguish different sensors within one device.
+ // One input device can only have 1 sensor for each sensor Type.
+ InputDeviceSensorInfo sensorInfo(identifier.name, std::to_string(identifier.vendor),
+ identifier.version, sensorType,
+ InputDeviceSensorAccuracy::ACCURACY_HIGH,
+ axis.max /* maxRange */, axis.scale /* resolution */,
+ 0.0f /* power */, 0 /* minDelay */,
+ 0 /* fifoReservedEventCount */, 0 /* fifoMaxEventCount */,
+ NamedEnum::string(sensorType), 0 /* maxDelay */, 0 /* flags */,
+ getDeviceId());
+
+ std::string prefix = "sensor." + NamedEnum::string(sensorType);
+ transform(prefix.begin(), prefix.end(), prefix.begin(), ::tolower);
+
+ int32_t reportingMode = 0;
+ if (!tryGetProperty(prefix + ".reportingMode", reportingMode)) {
+ sensorInfo.flags |= (reportingMode & REPORTING_MODE_MASK) << REPORTING_MODE_SHIFT;
+ }
+
+ tryGetProperty(prefix + ".maxDelay", sensorInfo.maxDelay);
+
+ tryGetProperty(prefix + ".minDelay", sensorInfo.minDelay);
+
+ tryGetProperty(prefix + ".power", sensorInfo.power);
+
+ tryGetProperty(prefix + ".fifoReservedEventCount", sensorInfo.fifoReservedEventCount);
+
+ tryGetProperty(prefix + ".fifoMaxEventCount", sensorInfo.fifoMaxEventCount);
+
+ return Sensor(sensorInfo);
+}
+
+void SensorInputMapper::processHardWareTimestamp(nsecs_t evTime, int32_t mscTime) {
+ // Since MSC_TIMESTAMP initial state is different from the system time, we
+ // calculate the difference between two MSC_TIMESTAMP events, and use that
+ // to calculate the system time that should be tagged on the event.
+ // if the first time MSC_TIMESTAMP, store it
+ // else calculate difference between previous and current MSC_TIMESTAMP
+ if (mPrevMscTime == 0) {
+ mHardwareTimestamp = evTime;
+ if (DEBUG_SENSOR_EVENT_DETAILS) {
+ ALOGD("Initialize hardware timestamp = %" PRId64, mHardwareTimestamp);
+ }
+ } else {
+ // Calculate the difference between current msc_timestamp and
+ // previous msc_timestamp, including when msc_timestamp wraps around.
+ uint32_t timeDiff = (mPrevMscTime > static_cast<uint32_t>(mscTime))
+ ? (UINT32_MAX - mPrevMscTime + static_cast<uint32_t>(mscTime + 1))
+ : (static_cast<uint32_t>(mscTime) - mPrevMscTime);
+
+ mHardwareTimestamp += timeDiff * 1000LL;
+ }
+ mPrevMscTime = static_cast<uint32_t>(mscTime);
+}
+
+void SensorInputMapper::process(const RawEvent* rawEvent) {
+ switch (rawEvent->type) {
+ case EV_ABS: {
+ auto it = mAxes.find(rawEvent->code);
+ if (it != mAxes.end()) {
+ Axis& axis = it->second;
+ axis.newValue = rawEvent->value * axis.scale + axis.offset;
+ }
+ break;
+ }
+
+ case EV_SYN:
+ switch (rawEvent->code) {
+ case SYN_REPORT:
+ for (std::pair<const int32_t, Axis>& pair : mAxes) {
+ Axis& axis = pair.second;
+ axis.currentValue = axis.newValue;
+ }
+ sync(rawEvent->when, false /*force*/);
+ break;
+ }
+ break;
+
+ case EV_MSC:
+ switch (rawEvent->code) {
+ case MSC_TIMESTAMP:
+ // hardware timestamp is nano seconds
+ processHardWareTimestamp(rawEvent->when, rawEvent->value);
+ break;
+ }
+ }
+}
+
+bool SensorInputMapper::setSensorEnabled(InputDeviceSensorType sensorType, bool enabled) {
+ auto it = mSensors.find(sensorType);
+ if (it == mSensors.end()) {
+ return false;
+ }
+
+ it->second.enabled = enabled;
+ if (!enabled) {
+ it->second.resetValue();
+ }
+
+ /* Currently we can't enable/disable sensors individually. Enabling any sensor will enable
+ * the device
+ */
+ mDeviceEnabled = false;
+ for (const auto& [sensorType, sensor] : mSensors) {
+ // If any sensor is on we will turn on the device.
+ if (sensor.enabled) {
+ mDeviceEnabled = true;
+ break;
+ }
+ }
+ return true;
+}
+
+void SensorInputMapper::flushSensor(InputDeviceSensorType sensorType) {
+ auto it = mSensors.find(sensorType);
+ if (it == mSensors.end()) {
+ return;
+ }
+ auto& sensor = it->second;
+ sensor.lastSampleTimeNs = 0;
+ for (size_t i = 0; i < SENSOR_VEC_LEN; i++) {
+ int32_t abs = sensor.dataVec[i];
+ auto itAxis = mAxes.find(abs);
+ if (itAxis != mAxes.end()) {
+ Axis& axis = itAxis->second;
+ axis.resetValue();
+ }
+ }
+}
+
+bool SensorInputMapper::enableSensor(InputDeviceSensorType sensorType,
+ std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) {
+ if (DEBUG_SENSOR_EVENT_DETAILS) {
+ ALOGD("Enable Sensor %s samplingPeriod %lld maxBatchReportLatency %lld",
+ NamedEnum::string(sensorType).c_str(), samplingPeriod.count(),
+ maxBatchReportLatency.count());
+ }
+
+ if (!setSensorEnabled(sensorType, true /* enabled */)) {
+ return false;
+ }
+
+ // Enable device
+ if (mDeviceEnabled) {
+ getDeviceContext().enableDevice();
+ }
+
+ // We know the sensor exists now, update the sampling period and batch report latency.
+ auto it = mSensors.find(sensorType);
+ it->second.samplingPeriod =
+ std::chrono::duration_cast<std::chrono::nanoseconds>(samplingPeriod);
+ it->second.maxBatchReportLatency =
+ std::chrono::duration_cast<std::chrono::nanoseconds>(maxBatchReportLatency);
+ return true;
+}
+
+void SensorInputMapper::disableSensor(InputDeviceSensorType sensorType) {
+ if (DEBUG_SENSOR_EVENT_DETAILS) {
+ ALOGD("Disable Sensor %s", NamedEnum::string(sensorType).c_str());
+ }
+
+ if (!setSensorEnabled(sensorType, false /* enabled */)) {
+ return;
+ }
+
+ // Disable device
+ if (!mDeviceEnabled) {
+ mHardwareTimestamp = 0;
+ mPrevMscTime = 0;
+ getDeviceContext().disableDevice();
+ }
+}
+
+void SensorInputMapper::sync(nsecs_t when, bool force) {
+ for (auto& [sensorType, sensor] : mSensors) {
+ // Skip if sensor not enabled
+ if (!sensor.enabled) {
+ continue;
+ }
+ std::vector<float> values;
+ for (ssize_t i = 0; i < SENSOR_VEC_LEN; i++) {
+ int32_t abs = sensor.dataVec[i];
+ auto it = mAxes.find(abs);
+ if (it != mAxes.end()) {
+ const Axis& axis = it->second;
+ values.push_back(axis.currentValue);
+ }
+ }
+
+ nsecs_t timestamp = mHasHardwareTimestamp ? mHardwareTimestamp : when;
+ if (DEBUG_SENSOR_EVENT_DETAILS) {
+ ALOGD("Sensor %s timestamp %" PRIu64 " values [%f %f %f]",
+ NamedEnum::string(sensorType).c_str(), timestamp, values[0], values[1],
+ values[2]);
+ }
+ if (sensor.lastSampleTimeNs.has_value() &&
+ timestamp - sensor.lastSampleTimeNs.value() < sensor.samplingPeriod.count()) {
+ if (DEBUG_SENSOR_EVENT_DETAILS) {
+ ALOGD("Sensor %s Skip a sample.", NamedEnum::string(sensorType).c_str());
+ }
+ } else {
+ // Convert to Android unit
+ convertFromLinuxToAndroid(values, sensorType);
+ // Notify dispatcher for sensor event
+ NotifySensorArgs args(getContext()->getNextId(), when, getDeviceId(),
+ AINPUT_SOURCE_SENSOR, sensorType, sensor.sensorInfo.accuracy,
+ sensor.accuracy !=
+ sensor.sensorInfo.accuracy /* accuracyChanged */,
+ timestamp /* hwTimestamp */, values);
+
+ getListener()->notifySensor(&args);
+ sensor.lastSampleTimeNs = timestamp;
+ sensor.accuracy = sensor.sensorInfo.accuracy;
+ }
+ }
+}
+
+} // namespace android
diff --git a/services/inputflinger/reader/mapper/SensorInputMapper.h b/services/inputflinger/reader/mapper/SensorInputMapper.h
new file mode 100644
index 0000000..3371002
--- /dev/null
+++ b/services/inputflinger/reader/mapper/SensorInputMapper.h
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#ifndef _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
+#define _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
+
+#include "InputMapper.h"
+
+namespace android {
+// sensor data vector length
+static constexpr ssize_t SENSOR_VEC_LEN = 3;
+
+class SensorInputMapper : public InputMapper {
+public:
+ explicit SensorInputMapper(InputDeviceContext& deviceContext);
+ ~SensorInputMapper() override;
+
+ uint32_t getSources() override;
+ void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
+ void dump(std::string& dump) override;
+ void configure(nsecs_t when, const InputReaderConfiguration* config, uint32_t changes) override;
+ void reset(nsecs_t when) override;
+ void process(const RawEvent* rawEvent) override;
+ bool enableSensor(InputDeviceSensorType sensorType, std::chrono::microseconds samplingPeriod,
+ std::chrono::microseconds maxBatchReportLatency) override;
+ void disableSensor(InputDeviceSensorType sensorType) override;
+ void flushSensor(InputDeviceSensorType sensorType) override;
+
+private:
+ struct Axis {
+ explicit Axis(const RawAbsoluteAxisInfo& rawAxisInfo, const AxisInfo& axisInfo, float scale,
+ float offset, float min, float max, float flat, float fuzz, float resolution,
+ float filter)
+ : rawAxisInfo(rawAxisInfo),
+ axisInfo(axisInfo),
+ scale(scale),
+ offset(offset),
+ min(min),
+ max(max),
+ flat(flat),
+ fuzz(fuzz),
+ resolution(resolution),
+ filter(filter) {
+ resetValue();
+ }
+
+ RawAbsoluteAxisInfo rawAxisInfo;
+ AxisInfo axisInfo;
+
+ float scale; // scale factor from raw to normalized values
+ float offset; // offset to add after scaling for normalization
+
+ float min; // normalized inclusive minimum
+ float max; // normalized inclusive maximum
+ float flat; // normalized flat region size
+ float fuzz; // normalized error tolerance
+ float resolution; // normalized resolution in units
+
+ float filter; // filter out small variations of this size
+ float currentValue; // current value
+ float newValue; // most recent value
+
+ void resetValue() {
+ this->currentValue = 0;
+ this->newValue = 0;
+ }
+ };
+
+ struct Sensor {
+ explicit Sensor(const InputDeviceSensorInfo& sensorInfo) : sensorInfo(sensorInfo) {
+ resetValue();
+ }
+ bool enabled;
+ InputDeviceSensorAccuracy accuracy;
+ std::chrono::nanoseconds samplingPeriod;
+ std::chrono::nanoseconds maxBatchReportLatency;
+ // last sample time in nano seconds
+ std::optional<nsecs_t> lastSampleTimeNs;
+ InputDeviceSensorInfo sensorInfo;
+ // Sensor X, Y, Z data mapping to abs
+ std::array<int32_t, SENSOR_VEC_LEN> dataVec;
+ void resetValue() {
+ this->enabled = false;
+ this->accuracy = InputDeviceSensorAccuracy::ACCURACY_NONE;
+ this->samplingPeriod = std::chrono::nanoseconds(0);
+ this->maxBatchReportLatency = std::chrono::nanoseconds(0);
+ this->lastSampleTimeNs = std::nullopt;
+ this->dataVec.fill(0);
+ }
+ };
+
+ static Axis createAxis(const AxisInfo& AxisInfo, const RawAbsoluteAxisInfo& rawAxisInfo);
+
+ // Axes indexed by raw ABS_* axis index.
+ std::unordered_map<int32_t, Axis> mAxes;
+
+ // hardware timestamp from MSC_TIMESTAMP
+ nsecs_t mHardwareTimestamp;
+ uint32_t mPrevMscTime;
+
+ bool mDeviceEnabled;
+ // Does device support MSC_TIMESTAMP
+ bool mHasHardwareTimestamp;
+
+ // Sensor list
+ std::unordered_map<InputDeviceSensorType, Sensor> mSensors;
+
+ void sync(nsecs_t when, bool force);
+
+ template <typename T>
+ bool tryGetProperty(std::string keyName, T& outValue);
+
+ void parseSensorConfiguration(InputDeviceSensorType sensorType, int32_t absCode,
+ int32_t sensorDataIndex, const Axis& axis);
+
+ void processHardWareTimestamp(nsecs_t evTime, int32_t evValue);
+
+ Sensor createSensor(InputDeviceSensorType sensorType, const Axis& axis);
+
+ bool setSensorEnabled(InputDeviceSensorType sensorType, bool enabled);
+};
+
+} // namespace android
+
+#endif // _UI_INPUTREADER_SENSOR_INPUT_MAPPER_H
\ No newline at end of file
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 7632814..c819091 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -284,6 +284,12 @@
void notifyFocusChanged(const sp<IBinder>&, const sp<IBinder>&) override {}
void notifyUntrustedTouch(const std::string& obscuringPackage) override {}
+ void notifySensorEvent(int32_t deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy, nsecs_t timestamp,
+ const std::vector<float>& values) override {}
+
+ void notifySensorAccuracy(int deviceId, InputDeviceSensorType sensorType,
+ InputDeviceSensorAccuracy accuracy) override {}
void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) override {
*outConfig = mConfig;
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index c26a389..23f3026 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -22,6 +22,7 @@
#include <InputReaderFactory.h>
#include <KeyboardInputMapper.h>
#include <MultiTouchInputMapper.h>
+#include <SensorInputMapper.h>
#include <SingleTouchInputMapper.h>
#include <SwitchInputMapper.h>
#include <TestInputListener.h>
@@ -364,6 +365,11 @@
uint32_t flags;
};
+ struct SensorInfo {
+ InputDeviceSensorType sensorType;
+ int32_t sensorDataIndex;
+ };
+
struct Device {
InputDeviceIdentifier identifier;
Flags<InputDeviceClass> classes;
@@ -377,6 +383,8 @@
KeyedVector<int32_t, KeyInfo> keysByScanCode;
KeyedVector<int32_t, KeyInfo> keysByUsageCode;
KeyedVector<int32_t, bool> leds;
+ std::unordered_map<int32_t, SensorInfo> sensorsByAbsCode;
+ BitArray<MSC_MAX> mscBitmask;
std::vector<VirtualKeyDefinition> virtualKeys;
bool enabled;
@@ -535,6 +543,22 @@
device->leds.add(led, initialState);
}
+ void addSensorAxis(int32_t deviceId, int32_t absCode, InputDeviceSensorType sensorType,
+ int32_t sensorDataIndex) {
+ Device* device = getDevice(deviceId);
+ SensorInfo info;
+ info.sensorType = sensorType;
+ info.sensorDataIndex = sensorDataIndex;
+ device->sensorsByAbsCode.emplace(absCode, info);
+ }
+
+ void setMscEvent(int32_t deviceId, int32_t mscEvent) {
+ Device* device = getDevice(deviceId);
+ typename BitArray<MSC_MAX>::Buffer buffer;
+ buffer[mscEvent / 32] = 1 << mscEvent % 32;
+ device->mscBitmask.loadFromBuffer(buffer);
+ }
+
bool getLedState(int32_t deviceId, int32_t led) {
Device* device = getDevice(deviceId);
return device->leds.valueFor(led);
@@ -630,6 +654,14 @@
bool hasInputProperty(int32_t, int) const override { return false; }
+ bool hasMscEvent(int32_t deviceId, int mscEvent) const override final {
+ Device* device = getDevice(deviceId);
+ if (device) {
+ return mscEvent >= 0 && mscEvent <= MSC_MAX ? device->mscBitmask.test(mscEvent) : false;
+ }
+ return false;
+ }
+
status_t mapKey(int32_t deviceId, int32_t scanCode, int32_t usageCode, int32_t metaState,
int32_t* outKeycode, int32_t* outMetaState, uint32_t* outFlags) const override {
Device* device = getDevice(deviceId);
@@ -669,6 +701,20 @@
status_t mapAxis(int32_t, int32_t, AxisInfo*) const override { return NAME_NOT_FOUND; }
+ base::Result<std::pair<InputDeviceSensorType, int32_t>> mapSensor(int32_t deviceId,
+ int32_t absCode) {
+ Device* device = getDevice(deviceId);
+ if (!device) {
+ return Errorf("Sensor device not found.");
+ }
+ auto it = device->sensorsByAbsCode.find(absCode);
+ if (it == device->sensorsByAbsCode.end()) {
+ return Errorf("Sensor map not found.");
+ }
+ const SensorInfo& info = it->second;
+ return std::make_pair(info.sensorType, info.sensorDataIndex);
+ }
+
void setExcludedDevices(const std::vector<std::string>& devices) override {
mExcludedDevices = devices;
}
@@ -2574,6 +2620,157 @@
ASSERT_TRUE(mapper.isVibrating());
}
+// --- SensorInputMapperTest ---
+
+class SensorInputMapperTest : public InputMapperTest {
+protected:
+ static const int32_t ACCEL_RAW_MIN;
+ static const int32_t ACCEL_RAW_MAX;
+ static const int32_t ACCEL_RAW_FUZZ;
+ static const int32_t ACCEL_RAW_FLAT;
+ static const int32_t ACCEL_RAW_RESOLUTION;
+
+ static const int32_t GYRO_RAW_MIN;
+ static const int32_t GYRO_RAW_MAX;
+ static const int32_t GYRO_RAW_FUZZ;
+ static const int32_t GYRO_RAW_FLAT;
+ static const int32_t GYRO_RAW_RESOLUTION;
+
+ static const float GRAVITY_MS2_UNIT;
+ static const float DEGREE_RADIAN_UNIT;
+
+ void prepareAccelAxes();
+ void prepareGyroAxes();
+ void setAccelProperties();
+ void setGyroProperties();
+ void SetUp() override { InputMapperTest::SetUp(DEVICE_CLASSES | InputDeviceClass::SENSOR); }
+};
+
+const int32_t SensorInputMapperTest::ACCEL_RAW_MIN = -32768;
+const int32_t SensorInputMapperTest::ACCEL_RAW_MAX = 32768;
+const int32_t SensorInputMapperTest::ACCEL_RAW_FUZZ = 16;
+const int32_t SensorInputMapperTest::ACCEL_RAW_FLAT = 0;
+const int32_t SensorInputMapperTest::ACCEL_RAW_RESOLUTION = 8192;
+
+const int32_t SensorInputMapperTest::GYRO_RAW_MIN = -2097152;
+const int32_t SensorInputMapperTest::GYRO_RAW_MAX = 2097152;
+const int32_t SensorInputMapperTest::GYRO_RAW_FUZZ = 16;
+const int32_t SensorInputMapperTest::GYRO_RAW_FLAT = 0;
+const int32_t SensorInputMapperTest::GYRO_RAW_RESOLUTION = 1024;
+
+const float SensorInputMapperTest::GRAVITY_MS2_UNIT = 9.80665f;
+const float SensorInputMapperTest::DEGREE_RADIAN_UNIT = 0.0174533f;
+
+void SensorInputMapperTest::prepareAccelAxes() {
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_X, ACCEL_RAW_MIN, ACCEL_RAW_MAX, ACCEL_RAW_FUZZ,
+ ACCEL_RAW_FLAT, ACCEL_RAW_RESOLUTION);
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_Y, ACCEL_RAW_MIN, ACCEL_RAW_MAX, ACCEL_RAW_FUZZ,
+ ACCEL_RAW_FLAT, ACCEL_RAW_RESOLUTION);
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_Z, ACCEL_RAW_MIN, ACCEL_RAW_MAX, ACCEL_RAW_FUZZ,
+ ACCEL_RAW_FLAT, ACCEL_RAW_RESOLUTION);
+}
+
+void SensorInputMapperTest::prepareGyroAxes() {
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_RX, GYRO_RAW_MIN, GYRO_RAW_MAX, GYRO_RAW_FUZZ,
+ GYRO_RAW_FLAT, GYRO_RAW_RESOLUTION);
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_RY, GYRO_RAW_MIN, GYRO_RAW_MAX, GYRO_RAW_FUZZ,
+ GYRO_RAW_FLAT, GYRO_RAW_RESOLUTION);
+ mFakeEventHub->addAbsoluteAxis(EVENTHUB_ID, ABS_RZ, GYRO_RAW_MIN, GYRO_RAW_MAX, GYRO_RAW_FUZZ,
+ GYRO_RAW_FLAT, GYRO_RAW_RESOLUTION);
+}
+
+void SensorInputMapperTest::setAccelProperties() {
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 0, InputDeviceSensorType::ACCELEROMETER,
+ /* sensorDataIndex */ 0);
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 1, InputDeviceSensorType::ACCELEROMETER,
+ /* sensorDataIndex */ 1);
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 2, InputDeviceSensorType::ACCELEROMETER,
+ /* sensorDataIndex */ 2);
+ mFakeEventHub->setMscEvent(EVENTHUB_ID, MSC_TIMESTAMP);
+ addConfigurationProperty("sensor.accelerometer.reportingMode", "0");
+ addConfigurationProperty("sensor.accelerometer.maxDelay", "100000");
+ addConfigurationProperty("sensor.accelerometer.minDelay", "5000");
+ addConfigurationProperty("sensor.accelerometer.power", "1.5");
+}
+
+void SensorInputMapperTest::setGyroProperties() {
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 3, InputDeviceSensorType::GYROSCOPE,
+ /* sensorDataIndex */ 0);
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 4, InputDeviceSensorType::GYROSCOPE,
+ /* sensorDataIndex */ 1);
+ mFakeEventHub->addSensorAxis(EVENTHUB_ID, /* absCode */ 5, InputDeviceSensorType::GYROSCOPE,
+ /* sensorDataIndex */ 2);
+ mFakeEventHub->setMscEvent(EVENTHUB_ID, MSC_TIMESTAMP);
+ addConfigurationProperty("sensor.gyroscope.reportingMode", "0");
+ addConfigurationProperty("sensor.gyroscope.maxDelay", "100000");
+ addConfigurationProperty("sensor.gyroscope.minDelay", "5000");
+ addConfigurationProperty("sensor.gyroscope.power", "0.8");
+}
+
+TEST_F(SensorInputMapperTest, GetSources) {
+ SensorInputMapper& mapper = addMapperAndConfigure<SensorInputMapper>();
+
+ ASSERT_EQ(static_cast<uint32_t>(AINPUT_SOURCE_SENSOR), mapper.getSources());
+}
+
+TEST_F(SensorInputMapperTest, ProcessAccelerometerSensor) {
+ setAccelProperties();
+ prepareAccelAxes();
+ SensorInputMapper& mapper = addMapperAndConfigure<SensorInputMapper>();
+
+ ASSERT_TRUE(mapper.enableSensor(InputDeviceSensorType::ACCELEROMETER,
+ std::chrono::microseconds(10000),
+ std::chrono::microseconds(0)));
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_X, 20000);
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_Y, -20000);
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_Z, 40000);
+ process(mapper, ARBITRARY_TIME, EV_MSC, MSC_TIMESTAMP, 1000);
+ process(mapper, ARBITRARY_TIME, EV_SYN, SYN_REPORT, 0);
+
+ NotifySensorArgs args;
+ std::vector<float> values = {20000.0f / ACCEL_RAW_RESOLUTION * GRAVITY_MS2_UNIT,
+ -20000.0f / ACCEL_RAW_RESOLUTION * GRAVITY_MS2_UNIT,
+ 40000.0f / ACCEL_RAW_RESOLUTION * GRAVITY_MS2_UNIT};
+
+ ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifySensorWasCalled(&args));
+ ASSERT_EQ(args.source, AINPUT_SOURCE_SENSOR);
+ ASSERT_EQ(args.deviceId, DEVICE_ID);
+ ASSERT_EQ(args.sensorType, InputDeviceSensorType::ACCELEROMETER);
+ ASSERT_EQ(args.accuracy, InputDeviceSensorAccuracy::ACCURACY_HIGH);
+ ASSERT_EQ(args.hwTimestamp, ARBITRARY_TIME);
+ ASSERT_EQ(args.values, values);
+ mapper.flushSensor(InputDeviceSensorType::ACCELEROMETER);
+}
+
+TEST_F(SensorInputMapperTest, ProcessGyroscopeSensor) {
+ setGyroProperties();
+ prepareGyroAxes();
+ SensorInputMapper& mapper = addMapperAndConfigure<SensorInputMapper>();
+
+ ASSERT_TRUE(mapper.enableSensor(InputDeviceSensorType::GYROSCOPE,
+ std::chrono::microseconds(10000),
+ std::chrono::microseconds(0)));
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_RX, 20000);
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_RY, -20000);
+ process(mapper, ARBITRARY_TIME, EV_ABS, ABS_RZ, 40000);
+ process(mapper, ARBITRARY_TIME, EV_MSC, MSC_TIMESTAMP, 1000);
+ process(mapper, ARBITRARY_TIME, EV_SYN, SYN_REPORT, 0);
+
+ NotifySensorArgs args;
+ std::vector<float> values = {20000.0f / GYRO_RAW_RESOLUTION * DEGREE_RADIAN_UNIT,
+ -20000.0f / GYRO_RAW_RESOLUTION * DEGREE_RADIAN_UNIT,
+ 40000.0f / GYRO_RAW_RESOLUTION * DEGREE_RADIAN_UNIT};
+
+ ASSERT_NO_FATAL_FAILURE(mFakeListener->assertNotifySensorWasCalled(&args));
+ ASSERT_EQ(args.source, AINPUT_SOURCE_SENSOR);
+ ASSERT_EQ(args.deviceId, DEVICE_ID);
+ ASSERT_EQ(args.sensorType, InputDeviceSensorType::GYROSCOPE);
+ ASSERT_EQ(args.accuracy, InputDeviceSensorAccuracy::ACCURACY_HIGH);
+ ASSERT_EQ(args.hwTimestamp, ARBITRARY_TIME);
+ ASSERT_EQ(args.values, values);
+ mapper.flushSensor(InputDeviceSensorType::GYROSCOPE);
+}
+
// --- KeyboardInputMapperTest ---
class KeyboardInputMapperTest : public InputMapperTest {
diff --git a/services/inputflinger/tests/TestInputListener.cpp b/services/inputflinger/tests/TestInputListener.cpp
index 1050ab8..295c6e3 100644
--- a/services/inputflinger/tests/TestInputListener.cpp
+++ b/services/inputflinger/tests/TestInputListener.cpp
@@ -80,6 +80,12 @@
"Expected notifySwitch() to have been called."));
}
+void TestInputListener::assertNotifySensorWasCalled(NotifySensorArgs* outEventArgs) {
+ ASSERT_NO_FATAL_FAILURE(
+ assertCalled<NotifySensorArgs>(outEventArgs,
+ "Expected notifySensor() to have been called."));
+}
+
void TestInputListener::assertNotifyCaptureWasCalled(
NotifyPointerCaptureChangedArgs* outEventArgs) {
ASSERT_NO_FATAL_FAILURE(
@@ -155,4 +161,8 @@
notify<NotifyPointerCaptureChangedArgs>(args);
}
+void TestInputListener::notifySensor(const NotifySensorArgs* args) {
+ notify<NotifySensorArgs>(args);
+}
+
} // namespace android
diff --git a/services/inputflinger/tests/TestInputListener.h b/services/inputflinger/tests/TestInputListener.h
index 887d4ea..e54350a 100644
--- a/services/inputflinger/tests/TestInputListener.h
+++ b/services/inputflinger/tests/TestInputListener.h
@@ -55,6 +55,7 @@
void assertNotifySwitchWasCalled(NotifySwitchArgs* outEventArgs = nullptr);
void assertNotifyCaptureWasCalled(NotifyPointerCaptureChangedArgs* outEventArgs = nullptr);
+ void assertNotifySensorWasCalled(NotifySensorArgs* outEventArgs = nullptr);
private:
template <class NotifyArgsType>
@@ -76,6 +77,8 @@
virtual void notifySwitch(const NotifySwitchArgs* args) override;
+ virtual void notifySensor(const NotifySensorArgs* args) override;
+
virtual void notifyPointerCaptureChanged(const NotifyPointerCaptureChangedArgs* args) override;
std::mutex mLock;
@@ -88,6 +91,7 @@
std::vector<NotifyKeyArgs>, //
std::vector<NotifyMotionArgs>, //
std::vector<NotifySwitchArgs>, //
+ std::vector<NotifySensorArgs>, //
std::vector<NotifyPointerCaptureChangedArgs>> //
mQueues GUARDED_BY(mLock);
};