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Diffstat (limited to 'modules/sensors/dynamic_sensor/README.md')
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1 files changed, 0 insertions, 153 deletions
diff --git a/modules/sensors/dynamic_sensor/README.md b/modules/sensors/dynamic_sensor/README.md deleted file mode 100644 index 5d5bd6d3..00000000 --- a/modules/sensors/dynamic_sensor/README.md +++ /dev/null @@ -1,153 +0,0 @@ -# Dynamic Sensors - -[TOC] - -## Links - -* [Sensor HAL dynamic sensor support](https://source.android.com/devices/sensors/sensors-hal2#dynamic-sensors) -* [Sensors Multi-HAL](https://source.android.com/devices/sensors/sensors-multihal) - -## Adding dynamic sensor support to a device - -A few files need to be modified to add dynamic sensor support to a device. The -dynamic sensor HAL must be enabled in the device product makefile and in the -sensor sub-HAL configuration file, raw HID devices must be configured, and raw -HID device and dynamic sensor property permissions must be set up in the SELinux -policy files. - -```shell -acme-co$ git -C device/acme/rocket-phone diff -diff --git a/sensor_hal/hals.conf b/sensor_hal/hals.conf -index a1f4b8b..d112546 100644 ---- a/sensor_hal/hals.conf -+++ b/sensor_hal/hals.conf -@@ -1 +1,2 @@ -+sensors.dynamic_sensor_hal.so - sensors.rocket-phone.so -diff --git a/rocket-phone.mk b/rocket-phone.mk -index 3fc8538..b1bd8a1 100644 ---- a/rocket-phone.mk -+++ b/rocket-phone.mk -@@ -73,6 +73,9 @@ - PRODUCT_PACKAGES += sensors.rocket-phone - PRODUCT_PACKAGES += thruster_stats - -+# Add the dynamic sensor HAL. -+PRODUCT_PACKAGES += sensors.dynamic_sensor_hal -+ - # Only install test tools in debug build or eng build. - ifneq ($(filter userdebug eng,$(TARGET_BUILD_VARIANT)),) - PRODUCT_PACKAGES += thruster_test -diff --git a/conf/ueventd.rc b/conf/ueventd.rc -index 88ee00b..2f03009 100644 ---- a/conf/ueventd.rc -+++ b/conf/ueventd.rc -@@ -209,3 +209,7 @@ - - # Thrusters - /dev/thruster* 0600 system system -+ -+# Raw HID devices -+/dev/hidraw* 0660 system system -+ -diff --git a/sepolicy/sensor_hal.te b/sepolicy/sensor_hal.te -index 0797253..22a4208 100644 ---- a/sepolicy/sensor_hal.te -+++ b/sepolicy/sensor_hal.te -@@ -52,6 +52,9 @@ - # Allow sensor HAL to read thruster state. - allow hal_sensors_default thruster_state:file r_file_perms; - -+# Allow access for dynamic sensor properties. -+get_prop(hal_sensors_default, vendor_dynamic_sensor_prop) -+ -+# Allow access to raw HID devices for dynamic sensors. -+allow hal_sensors_default device:dir r_dir_perms; -+allow hal_sensors_default hidraw_device:chr_file rw_file_perms; -+ - # - # Thruster sensor enforcements. - # -diff --git a/sepolicy/device.te b/sepolicy/device.te -index bc3c947..bad0be0 100644 ---- a/sepolicy/device.te -+++ b/sepolicy/device.te -@@ -55,3 +55,7 @@ - - # Thruster - type thruster_device, dev_type; -+ -+# Raw HID device -+type hidraw_device, dev_type; -+ -diff --git a/sepolicy/property.te b/sepolicy/property.te -index 4b671a4..bb0894f 100644 ---- a/sepolicy/property.te -+++ b/sepolicy/property.te -@@ -49,3 +49,7 @@ - - # Thruster - vendor_internal_prop(vendor_thruster_debug_prop) -+ -+# Dynamic sensor -+vendor_internal_prop(vendor_dynamic_sensor_prop) -+ -diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts -index bc03a78..ff401dc 100644 ---- a/sepolicy/file_contexts -+++ b/sepolicy/file_contexts -@@ -441,3 +441,7 @@ - /dev/thruster-fuel u:object_r:thruster_device:s0 - /dev/thruster-output u:object_r:thruster_device:s0 - /dev/thruster-telemetry u:object_r:thruster_device:s0 -+ -+# Raw HID device -+/dev/hidraw[0-9]* u:object_r:hidraw_device:s0 -+ -diff --git a/sepolicy/property_contexts b/sepolicy/property_contexts -index 5d2f018..18a6059 100644 ---- a/sepolicy/property_contexts -+++ b/sepolicy/property_contexts -@@ -104,3 +104,7 @@ - - # Thruster - vendor.thruster.debug u:object_r:vendor_thruster_debug_prop:s0 -+ -+# Dynamic sensor -+vendor.dynamic_sensor. u:object_r:vendor_dynamic_sensor_prop:s0 -+ -acme-co$ -``` - -Once the file modifications are made, rebuild and flash. The dynamic sensor HAL -should be initialized and appear in the sensor service. - -```shell -acme-co$ make -j28 && fastboot flashall -. -. -. -acme-co$ adb logcat -d | grep DynamicSensorHal -12-15 18:18:45.735 791 791 D DynamicSensorHal: DynamicSensorsSubHal::getSensorsList_2_1 invoked. -12-15 18:18:47.474 791 791 D DynamicSensorHal: DynamicSensorsSubHal::initialize invoked. -acme-co$ adb shell dumpsys sensorservice | grep Dynamic -0000000000) Dynamic Sensor Manager | Google | ver: 1 | type: android.sensor.dynamic_sensor_meta(32) | perm: n/a | flags: 0x00000007 -Dynamic Sensor Manager (handle=0x00000000, connections=1) - Dynamic Sensor Manager 0x00000000 | status: active | pending flush events 0 -acme-co$ adb logcat -c -acme-co$ -``` - -When a dynamic sensor is paired with the device (e.g., Bluetooth rocket buds), -it will appear in the sensor service. - -```shell -acme-co$ adb logcat -d | grep "DynamicSensorHal\|hidraw\|Rocket" -12-15 18:19:55.268 157 157 I hid-generic 0003: 1234:5678.0001: hidraw0: BLUETOOTH HID v0.00 Device [RocketBuds] on -12-15 18:19:55.235 791 809 E DynamicSensorHal: return 1 sensors -12-15 18:19:56.239 1629 1787 I SensorService: Dynamic sensor handle 0x1 connected, type 65536, name RocketBuds -acme-co$ adb shell dumpsys sensorservice | grep Rocket -0x00000001) RocketBuds | BLUETOOTH 1234:1234 | ver: 1 | type: com.google.hardware.sensor.hid_dynamic.headtracker(65536) | perm: n/a | flags: 0x00000020 -acme-co$ -``` - |