am 3e86a83a: LE: Add connection parameter update request API (3/4) (9cc4edd2) · Commits · e / os / android_packages_modules_Bluetooth

android/app/jni/com_android_bluetooth_gatt.cpp

+10 −0

Original line number	Diff line number	Diff line
		@@ -1432,6 +1432,15 @@ static void gattClientConfigureMTUNative(JNIEnv *env, jobject object,
		sGattIf->client->configure_mtu(conn_id, mtu);
		}

		static void gattConnectionParameterUpdateNative(JNIEnv *env, jobject object, jint client_if,
		jstring address, jint min_interval, jint max_interval, jint latency, jint timeout)
		{
		if (!sGattIf) return;
		bt_bdaddr_t bda;
		jstr2bdaddr(env, &bda, address);
		sGattIf->client->conn_parameter_update(&bda, min_interval, max_interval, latency, timeout);
		}

		static void gattClientEnableAdvNative(JNIEnv* env, jobject object, jint client_if,
		jint min_interval, jint max_interval, jint adv_type, jint chnl_map, jint tx_power)
		{
		@@ -1743,6 +1752,7 @@ static JNINativeMethod sMethods[] = {
		{"gattClientReadRemoteRssiNative", "(ILjava/lang/String;)V", (void *) gattClientReadRemoteRssiNative},
		{"gattAdvertiseNative", "(IZ)V", (void *) gattAdvertiseNative},
		{"gattClientConfigureMTUNative", "(II)V", (void *) gattClientConfigureMTUNative},
		{"gattConnectionParameterUpdateNative", "(ILjava/lang/String;IIII)V", (void *) gattConnectionParameterUpdateNative},
		{"gattServerRegisterAppNative", "(JJ)V", (void *) gattServerRegisterAppNative},
		{"gattServerUnregisterAppNative", "(I)V", (void *) gattServerUnregisterAppNative},
		{"gattServerConnectNative", "(ILjava/lang/String;ZI)V", (void *) gattServerConnectNative},

android/app/src/com/android/bluetooth/gatt/GattService.java

+44 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package com.android.bluetooth.gatt;
		import android.app.Service;
		import android.bluetooth.BluetoothAdapter;
		import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothGatt;
		import android.bluetooth.BluetoothProfile;
		import android.bluetooth.BluetoothUuid;
		import android.bluetooth.IBluetoothGatt;
		@@ -441,6 +442,13 @@ public class GattService extends ProfileService {
		service.configureMTU(clientIf, address, mtu);
		}

		public void connectionParameterUpdate(int clientIf, String address,
		int connectionPriority) {
		GattService service = getService();
		if (service == null) return;
		service.connectionParameterUpdate(clientIf, address, connectionPriority);
		}

		public void registerServer(ParcelUuid uuid, IBluetoothGattServerCallback callback) {
		GattService service = getService();
		if (service == null) return;
		@@ -1594,6 +1602,39 @@ public class GattService extends ProfileService {
		}
		}

		void connectionParameterUpdate(int clientIf, String address, int connectionPriority) {
		enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission");

		// Default spec recommended interval is 30->50 ms
		int minInterval = 24; // 24 * 1.25ms = 30ms
		int maxInterval = 40; // 40 * 1.25ms = 50ms

		// Slave latency
		int latency = 0;

		// Link supervision timeout is measured in N * 10ms
		int timeout = 2000; // 20s

		switch (connectionPriority)
		{
		case BluetoothGatt.GATT_CONNECTION_HIGH_PRIORITY:
		minInterval = 6; // 7.5ms
		maxInterval = 8; // 10ms
		break;

		case BluetoothGatt.GATT_CONNECTION_LOW_POWER:
		minInterval = 80; // 100ms
		maxInterval = 100; // 125ms
		latency = 2;
		break;
		}

		if (DBG) Log.d(TAG, "connectionParameterUpdate() - address=" + address
		+ "params=" + connectionPriority + " interval=" + minInterval + "/" + maxInterval);
		gattConnectionParameterUpdateNative(clientIf, address, minInterval, maxInterval,
		latency, timeout);
		}

		/**************************************************************************
		* Callback functions - SERVER
		*************************************************************************/
		@@ -2270,6 +2311,9 @@ public class GattService extends ProfileService {

		private native void gattClientConfigureMTUNative(int conn_id, int mtu);

		private native void gattConnectionParameterUpdateNative(int client_if, String address,
		int minInterval, int maxInterval, int latency, int timeout);

		private native void gattSetAdvDataNative(int serverIf, boolean setScanRsp, boolean inclName,
		boolean inclTxPower, int minInterval, int maxInterval,
		int appearance, byte[] manufacturerData, byte[] serviceData, byte[] serviceUuid);