Implement regional configuration fetching. (8b70ee43) · Commits · e / os / android_hardware_interfaces

broadcastradio/2.0/Android.bp

+5 −0

Original line number	Diff line number	Diff line
		@@ -16,8 +16,12 @@ hidl_interface {
		"android.hidl.base@1.0",
		],
		types: [
		"AmFmBandRange",
		"AmFmRegionConfig",
		"ConfigFlag",
		"Constants",
		"DabTableEntry",
		"Deemphasis",
		"IdentifierType",
		"Metadata",
		"MetadataKey",
		@@ -28,6 +32,7 @@ hidl_interface {
		"ProgramListChunk",
		"ProgramSelector",
		"Properties",
		"Rds",
		"Result",
		"VendorKeyValue",
		],

broadcastradio/2.0/IBroadcastRadio.hal

+22 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,28 @@ interface IBroadcastRadio {
		*/
		getProperties() generates (Properties properties);

		/**
		* Fetches current or possible AM/FM region configuration.
		*
		* @param full If true, returns full hardware capabilities.
		* If false, returns current regional configuration.
		* @return result OK in case of success.
		* NOT_SUPPORTED if the tuner doesn't support AM/FM.
		* @return config Hardware capabilities (full=true) or
		* current configuration (full=false).
		*/
		getAmFmRegionConfig(bool full)
		generates (Result result, AmFmRegionConfig config);

		/**
		* Fetches current DAB region configuration.
		*
		* @return result OK in case of success.
		* NOT_SUPPORTED if the tuner doesn't support DAB.
		* @return config Current configuration.
		*/
		getDabRegionConfig() generates (Result result, vec<DabTableEntry> config);

		/**
		* Opens a new tuner session.
		*

broadcastradio/2.0/default/Android.bp

+3 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,9 @@ cc_binary {
		"-Wextra",
		"-Werror",
		],
		cppflags: [
		"-std=c++1z",
		],
		srcs: [
		"BroadcastRadio.cpp",
		"TunerSession.cpp",

broadcastradio/2.0/default/BroadcastRadio.cpp

+51 −1

Original line number	Diff line number	Diff line
		@@ -33,6 +33,16 @@ using std::map;
		using std::mutex;
		using std::vector;

		static const AmFmRegionConfig gDefaultAmFmConfig = { //
		{
		{87500, 108000, 100, 100}, // FM
		{153, 282, 3, 9}, // AM LW
		{531, 1620, 9, 9}, // AM MW
		{1600, 30000, 1, 5}, // AM SW
		},
		static_cast<uint32_t>(Deemphasis::D50),
		static_cast<uint32_t>(Rds::RDS)};

		static Properties initProperties(const VirtualRadio& virtualRadio) {
		Properties prop = {};

		@@ -51,7 +61,9 @@ static Properties initProperties(const VirtualRadio& virtualRadio) {
		}

		BroadcastRadio::BroadcastRadio(const VirtualRadio& virtualRadio)
		: mVirtualRadio(virtualRadio), mProperties(initProperties(virtualRadio)) {}
		: mVirtualRadio(virtualRadio),
		mProperties(initProperties(virtualRadio)),
		mAmFmConfig(gDefaultAmFmConfig) {}

		Return<void> BroadcastRadio::getProperties(getProperties_cb _hidl_cb) {
		ALOGV("%s", __func__);
		@@ -59,6 +71,44 @@ Return<void> BroadcastRadio::getProperties(getProperties_cb _hidl_cb) {
		return {};
		}

		AmFmRegionConfig BroadcastRadio::getAmFmConfig() const {
		lock_guard<mutex> lk(mMut);
		return mAmFmConfig;
		}

		Return<void> BroadcastRadio::getAmFmRegionConfig(bool full, getAmFmRegionConfig_cb _hidl_cb) {
		ALOGV("%s(%d)", __func__, full);

		if (full) {
		AmFmRegionConfig config = {};
		config.ranges = hidl_vec<AmFmBandRange>({
		{65000, 108000, 10, 0}, // FM
		{150, 30000, 1, 0}, // AM
		});
		config.fmDeemphasis = Deemphasis::D50 \| Deemphasis::D75;
		config.fmRds = Rds::RDS \| Rds::RBDS;
		_hidl_cb(Result::OK, config);
		return {};
		} else {
		_hidl_cb(Result::OK, getAmFmConfig());
		return {};
		}
		}

		Return<void> BroadcastRadio::getDabRegionConfig(getDabRegionConfig_cb _hidl_cb) {
		ALOGV("%s", __func__);

		hidl_vec<DabTableEntry> config = {
		{"5A", 174928}, {"7D", 194064}, {"8A", 195936}, {"8B", 197648}, {"9A", 202928},
		{"9B", 204640}, {"9C", 206352}, {"10B", 211648}, {"10C", 213360}, {"10D", 215072},
		{"11A", 216928}, {"11B", 218640}, {"11C", 220352}, {"11D", 222064}, {"12A", 223936},
		{"12B", 225648}, {"12C", 227360}, {"12D", 229072},
		};

		_hidl_cb(Result::OK, config);
		return {};
		}

		Return<void> BroadcastRadio::openSession(const sp<ITunerCallback>& callback,
		openSession_cb _hidl_cb) {
		ALOGV("%s", __func__);

broadcastradio/2.0/default/BroadcastRadio.h

+6 −1

Original line number	Diff line number	Diff line
		@@ -32,14 +32,19 @@ struct BroadcastRadio : public IBroadcastRadio {

		// V2_0::IBroadcastRadio methods
		Return<void> getProperties(getProperties_cb _hidl_cb) override;
		Return<void> getAmFmRegionConfig(bool full, getAmFmRegionConfig_cb _hidl_cb);
		Return<void> getDabRegionConfig(getDabRegionConfig_cb _hidl_cb);
		Return<void> openSession(const sp<ITunerCallback>& callback, openSession_cb _hidl_cb) override;
		Return<void> getImage(uint32_t id, getImage_cb _hidl_cb);

		std::reference_wrapper<const VirtualRadio> mVirtualRadio;
		Properties mProperties;

		AmFmRegionConfig getAmFmConfig() const;

		private:
		std::mutex mMut;
		mutable std::mutex mMut;
		AmFmRegionConfig mAmFmConfig;
		wp<TunerSession> mSession;
		};