Hello Christopher McClellan,
If you have worked on vehicle HAL, Kindly help me out with the below query.
AOSP: How to initialize the VehicleProperty::AUDIO_VOLUME property
(.initialValues in the DefaultConfig.h) in vehicl hal ?
Trying to add AUDIO_VOLUME property to the demo vehicle hal code present in
/hardware/interfaces/automotive/vehicle/2.0/default/impl/vhal_v2_0/
File name: DefaultConfig.h
tried adding like below, but it is crashing.
{.config =
{
.prop = toInt(VehicleProperty::AUDIO_VOLUME),
.access = VehiclePropertyAccess::READ_WRITE,
.changeMode = VehiclePropertyChangeMode::ON_CHANGE,
.configArray = {
toInt(VehicleAudioContextFlag::MUSIC_FLAG),
toInt(VehicleAudioVolumeCapabilityFlag::MASTER_VOLUME_ONLY),0,0,100 },
},
.initialValue = {.int32Values = {
toInt(VehicleAudioContextFlag::MUSIC_FLAG), 80,
toInt(VehicleAudioVolumeState::STATE_OK) } }
},
AUDIO_VOLUME property as defined in
/hardware/interfaces/automotive/vehicle/2.0/types.hal
* @change_mode VehiclePropertyChangeMode:ON_CHANGE
* @access VehiclePropertyAccess:READ_WRITE
* @config_flags all audio contexts supported.
*/
AUDIO_VOLUME = (
0x0901
| VehiclePropertyGroup:SYSTEM
| VehiclePropertyType:INT32_VEC
| VehicleArea:GLOBAL),
reference OSP code available in http://androidxref.com/8.0.0_r4/xref/
Thanks in advance.!!
On Saturday, January 20, 2018 at 2:28:25 AM UTC+5:30, Christopher McClellan
wrote:
>
> Those projects appear to have been added prior to Oreo and not maintained
> since.
> I've not gotten the car emulator projects to build, but have been able to
> get the emulated vehicle HAL and the demo apps running.
>
> Most of this is accomplished by including the `packages/services/Car/build/
> car.mk` file in the device's makefile.
>
>
> https://android.googlesource.com/platform/packages/services/Car/+/master/car_product/build/car.mk
>
> We did also have to add an SELinux domain for the for the vehicle service
> as described here.
>
>
> https://source.android.com/security/selinux/device-policy#label_new_services_and_address_denials
>
> On Friday, December 15, 2017 at 10:40:12 AM UTC-5, GuoXin Hong wrote:
>>
>> Hi,
>>
>> I downloaded Android 8.1 from AOSP
>> Got build failed after choosing any one of the car emulator projects
>> listed
>> Does anyone knows the tricks to build car emulator project or car
>> emulator projects are NOT tested yet
>>
>> Thanks
>>
>>
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