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basic spp client

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mila@ringwald.ch 2014-12-04 16:22:19 +00:00
parent 5600833267
commit b708eb2d59
1 changed files with 153 additions and 0 deletions
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java/example/com/bluekitchen/SPPClientTest.java Normal file
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package com.bluekitchen;
import java.util.ArrayList;
import java.util.List;
import com.bluekitchen.btstack.BD_ADDR;
import com.bluekitchen.btstack.BT_UUID;
import com.bluekitchen.btstack.BTstack;
import com.bluekitchen.btstack.Packet;
import com.bluekitchen.btstack.PacketHandler;
import com.bluekitchen.btstack.Util;
import com.bluekitchen.btstack.event.BTstackEventState;
import com.bluekitchen.btstack.event.HCIEventDisconnectionComplete;
import com.bluekitchen.btstack.event.RFCOMMEventOpenChannelComplete;
import com.bluekitchen.btstack.event.SDPQueryComplete;
import com.bluekitchen.btstack.event.SDPQueryRFCOMMService;
public class SPPClientTest implements PacketHandler {
private enum STATE {
w4_btstack_working, w4_query_result, w4_connected, active
};
private BTstack btstack;
private STATE state;
private int testHandle;
private BD_ADDR remote = new BD_ADDR("84:38:35:65:D1:15");
private int rfcommServiceUUID = 0x1002;
private int btIncomingChannelNr = 3;
private int rfcommChannelID = 0;
private int mtu = 0;
List<Integer> services = new ArrayList<Integer>(10);
private int counter;
// List<String> service_name = new ArrayList<String>(10);
private BT_UUID uuid128(byte[] att_uuid) {
byte [] uuid = new byte[16];
Util.flipX(att_uuid, uuid);
return new BT_UUID(uuid);
}
public void handlePacket(Packet packet){
// System.out.println(packet.toString());
if (packet instanceof HCIEventDisconnectionComplete){
HCIEventDisconnectionComplete event = (HCIEventDisconnectionComplete) packet;
testHandle = event.getConnectionHandle();
System.out.println(String.format("Received disconnect, status %d, handle %x", event.getStatus(), testHandle));
return;
}
switch (state){
case w4_btstack_working:
if (packet instanceof BTstackEventState){
BTstackEventState event = (BTstackEventState) packet;
if (event.getState() == 2) {
System.out.println("BTstack working. Start SDP inquiry.");
state = STATE.w4_query_result;
byte[] serviceSearchPattern = Util.serviceSearchPatternForUUID16(rfcommServiceUUID);
// StringBuilder sb = new StringBuilder();
// for (byte b:serviceSearchPattern){
// sb.append(String.format("%02X ", b));
// }
// System.out.println(sb.toString());
btstack.SDPClientQueryRFCOMMServices(remote, serviceSearchPattern);
}
}
break;
case w4_query_result:
if (packet instanceof SDPQueryRFCOMMService){
SDPQueryRFCOMMService service = (SDPQueryRFCOMMService) packet;
services.add(service.getRFCOMMChannel());
}
if (packet instanceof SDPQueryComplete){
for (Integer channel_nr : services){
System.out.println("Found rfcomm channel nr: " + channel_nr);
if (channel_nr == btIncomingChannelNr){
state = STATE.w4_connected;
System.out.println("Connect to channel nr " + channel_nr);
btstack.RFCOMMCreateChannel(remote, 3);
}
}
}
break;
case w4_connected:
if (packet instanceof RFCOMMEventOpenChannelComplete){
RFCOMMEventOpenChannelComplete e = (RFCOMMEventOpenChannelComplete) packet;
System.out.println("RFCOMMEventOpenChannelComplete with status " + e.getStatus());
if (e.getStatus() != 0) {
System.out.println("RFCOMM channel open failed, status " + e.getStatus());
} else {
state = STATE.active;
rfcommChannelID = e.getRFCOMMCid();
mtu = e.getMaxFrameSize();
System.out.println(String.format("RFCOMM channel open succeeded. New RFCOMM Channel ID %d, max frame size %d", rfcommChannelID, mtu));
counter = 0;
new Thread(new Runnable(){
@Override
public void run() {
try {
while(state == STATE.active){
Thread.sleep(1000);
byte [] data = String.format("BTstack SPP Counter %d\n", counter).getBytes();
btstack.RFCOMMSendData(rfcommChannelID, data);
}
} catch (InterruptedException e) {}
}
}).start();
}
}
break;
case active:
if (packet instanceof RFCOMMDataPacket){
System.out.println("Received RFCOMM data packet: " + packet.toString());
}
default:
break;
}
}
void test(){
System.out.println("SPP Test Application");
// connect to BTstack Daemon via default port on localhost
// start: src/BTdaemon --tcp
btstack = new BTstack();
btstack.setTcpPort(BTstack.DEFAULT_TCP_PORT);
btstack.registerPacketHandler(this);
boolean ok = btstack.connect();
if (!ok) {
System.out.println("Failed to connect to BTstack Server");
return;
}
System.out.println("BTstackSetPowerMode(1)");
state = STATE.w4_btstack_working;
btstack.BTstackSetPowerMode(1);
}
public static void main(String args[]){
new SPPClientTest().test();
}
}