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java/SPPClientTest: query for SPP service, retry on failure, use last SPP service found

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This commit is contained in:
Matthias Ringwald 2021-07-13 10:20:47 +02:00
parent d4d525ab1c
commit 12610ed383
1 changed files with 26 additions and 21 deletions
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47
platform/daemon/binding/java/example/com/bluekitchen/SPPClientTest.java
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@ -25,16 +25,21 @@ public class SPPClientTest implements PacketHandler {
private STATE state; private STATE state;
private int testHandle; private int testHandle;
private BD_ADDR remote = new BD_ADDR("84:38:35:65:D1:15"); private BD_ADDR remote = new BD_ADDR("00:1A:7D:DA:71:01");
private int rfcommServiceUUID = 0x1002; private int sppUUID = 0x1101;
private int btIncomingChannelNr = 3;
private int outgoing_channel_nr = -1;
private int rfcommChannelID = 0; private int rfcommChannelID = 0;
private int mtu = 0; private int mtu = 0;
List<Integer> services = new ArrayList<Integer>(10);
private int counter; private int counter;
private void startSDPQuery(){
state = STATE.w4_query_result;
byte[] serviceSearchPattern = Util.serviceSearchPatternForUUID16(sppUUID);
btstack.SDPClientQueryRFCOMMServices(remote, serviceSearchPattern);
}
public void handlePacket(Packet packet){ public void handlePacket(Packet packet){
if (packet instanceof HCIEventDisconnectionComplete){ if (packet instanceof HCIEventDisconnectionComplete){
HCIEventDisconnectionComplete event = (HCIEventDisconnectionComplete) packet; HCIEventDisconnectionComplete event = (HCIEventDisconnectionComplete) packet;
@ -49,29 +54,29 @@ public class SPPClientTest implements PacketHandler {
BTstackEventState event = (BTstackEventState) packet; BTstackEventState event = (BTstackEventState) packet;
if (event.getState() == 2) { if (event.getState() == 2) {
System.out.println("BTstack working. Start SDP inquiry."); System.out.println("BTstack working. Start SDP inquiry.");
state = STATE.w4_query_result; startSDPQuery();
byte[] serviceSearchPattern = Util.serviceSearchPatternForUUID16(rfcommServiceUUID);
btstack.SDPClientQueryRFCOMMServices(remote, serviceSearchPattern);
} }
} }
break; break;
case w4_query_result: case w4_query_result:
if (packet instanceof SDPEventQueryRFCOMMService){ if (packet instanceof SDPEventQueryRFCOMMService){
SDPEventQueryRFCOMMService service = (SDPEventQueryRFCOMMService) packet; SDPEventQueryRFCOMMService service = (SDPEventQueryRFCOMMService) packet;
services.add(service.getRFCOMMChannel()); System.out.println("Found RFCOMM channel " + service.getName() + ", channel nr: " + service.getRFCOMMChannel());
outgoing_channel_nr = service.getRFCOMMChannel();
} }
if (packet instanceof SDPEventQueryComplete){ if (packet instanceof SDPEventQueryComplete){
for (Integer channel_nr : services){ SDPEventQueryComplete complete = (SDPEventQueryComplete) packet;
System.out.println("Found rfcomm channel nr: " + channel_nr); if (complete.getStatus() != 0){
if (channel_nr == btIncomingChannelNr){ System.out.println(String.format("SDP Query failed with status 0x%02x, retry SDP query.", complete.getStatus()));
state = STATE.w4_connected; startSDPQuery();
System.out.println("Connect to channel nr " + channel_nr); break;
btstack.RFCOMMCreateChannel(remote, 3); }
} if (outgoing_channel_nr >= 0){
} state = STATE.w4_connected;
System.out.println("Connect to channel nr " + outgoing_channel_nr);
btstack.RFCOMMCreateChannel(remote, outgoing_channel_nr);
}
} }
break; break;
@ -94,7 +99,7 @@ public class SPPClientTest implements PacketHandler {
try { try {
while(state == STATE.active){ while(state == STATE.active){
Thread.sleep(1000); Thread.sleep(1000);
byte [] data = String.format("BTstack SPP Counter %d\n", counter).getBytes(); byte [] data = String.format("BTstack SPP Client Test Counter %d\n", counter++).getBytes();
btstack.RFCOMMSendData(rfcommChannelID, data); btstack.RFCOMMSendData(rfcommChannelID, data);
} }
} catch (InterruptedException e) {} } catch (InterruptedException e) {}