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GATT battery query for daemon

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mila@ringwald.ch 2014-10-03 09:29:34 +00:00
parent 83fa000114
commit 2eaec2f145
1 changed files with 141 additions and 3 deletions
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144
java/example/com/bluekitchen/GATTClientTest.java
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@ -23,7 +23,7 @@ public class GATTClientTest implements PacketHandler {
private enum STATE {
w4_btstack_working, w4_scan_result, w4_connected, w4_services_complete, w4_characteristic_complete, w4_characteristic_read
, w4_characteristic_write, w4_acc_service_result, w4_acc_enable_characteristic_result, w4_write_acc_enable_result, w4_acc_client_config_characteristic_result, w4_acc_client_config_result,
w4_acc_data, w4_connected_acc
w4_acc_data, w4_connected_acc, battery_data
};
private BTstack btstack;
@ -35,7 +35,9 @@ public class GATTClientTest implements PacketHandler {
private GATTCharacteristic testCharacteristic;
private int service_count = 0;
private int characteristic_count = 0;
private int connectionHandle;
private int counter = 0;
private byte[] acc_service_uuid = new byte[] {(byte)0xf0, 0, (byte)0xaa, (byte)0x10, 4, (byte)0x51, (byte)0x40, 0, (byte)0xb0, 0, 0, 0, 0, 0, 0, 0};
private byte[] acc_chr_client_config_uuid = new byte[] {(byte)0xf0, 0, (byte)0xaa, (byte)0x11, 4, (byte)0x51, (byte)0x40, 0, (byte)0xb0, 0, 0, 0, 0, 0, 0, 0};
private byte[] acc_chr_enable_uuid = new byte[] {(byte)0xf0, 0, (byte)0xaa, (byte)0x12, 4, (byte)0x51, (byte)0x40, 0, (byte)0xb0, 0, 0, 0, 0, 0, 0, 0};
@ -44,9 +46,145 @@ public class GATTClientTest implements PacketHandler {
private GATTService accService;
private GATTCharacteristic enableCharacteristic;
private GATTCharacteristic configCharacteristic;
private GATTService batteryService;
private GATTCharacteristic batteryLevelCharacteristic;
private byte[] battery_level_chr_uuid = new byte[] {0, 0, (byte)0x2a, (byte)0x19, 0, 0, (byte)0x10, 0, (byte)0x80, 0, 0, (byte)0x80, (byte)0x5f, (byte)0x9b, (byte)0x34, (byte)0xfb};
GATTCharacteristicValueQueryResult battery;
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){
if (packet instanceof HCIEventDisconnectionComplete){
System.out.println(String.format("Received dissconnect, restart scannning."));
state = STATE.w4_scan_result;
btstack.GAPLEScanStart();
return;
}
if (packet instanceof GATTQueryComplete){
GATTQueryComplete event = (GATTQueryComplete) packet;
System.out.println(testAddr + " battery data");
if (event.getStatus() != 0){
System.out.println("Battery data could not be read.\nRestart scanning.");
state = STATE.w4_scan_result;
btstack.GAPLEScanStart();
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 scanning.");
state = STATE.w4_scan_result;
btstack.GAPLEScanStart();
}
}
break;
case w4_scan_result:
if (packet instanceof GAPLEAdvertisingReport){
// Advertisement received. Connect to the found BT address.
GAPLEAdvertisingReport report = (GAPLEAdvertisingReport) packet;
testAddrType = report.getAddressType();
testAddr = report.getAddress();
System.out.println(String.format("Adv: type %d, addr %s\ndata: %s \n Stop scan, initiate connect.", testAddrType, testAddr, Util.asHexdump(report.getData())));
btstack.GAPLEScanStop();
state = STATE.w4_connected;
btstack.GAPLEConnect(testAddrType, testAddr);
}
break;
case w4_connected:
if (packet instanceof HCIEventLEConnectionComplete){
HCIEventLEConnectionComplete event = (HCIEventLEConnectionComplete) packet;
if (event.getStatus() != 0) {
System.out.println(testAddr + String.format(" - connection failed, status %d.\nRestart scanning.", event.getStatus()));
state = STATE.w4_scan_result;
btstack.GAPLEScanStart();
break;
}
// Query battery service.
state = STATE.w4_services_complete;
connectionHandle = event.getConnectionHandle();
System.out.println(testAddr + String.format(" - connected %x.\nQuery battery service.", connectionHandle));
btstack.GATTDiscoverPrimaryServicesByUUID16(connectionHandle, 0x180f);
}
break;
case w4_services_complete:
if (packet instanceof GATTServiceQueryResult){
// Store battery service. Wait for GATTQueryComplete event to send next GATT command.
GATTServiceQueryResult event = (GATTServiceQueryResult) packet;
System.out.println(testAddr + String.format(" - battery service %s", event.getService().getUUID()));
batteryService = event.getService();
break;
}
if (packet instanceof GATTQueryComplete){
// Check if battery service is found.
if (batteryService == null) {
System.out.println(testAddr + " - no battery service. \nRestart scanning.");
state = STATE.w4_scan_result;
btstack.GAPLEScanStart();
break;
}
System.out.println(testAddr + " - query battery level.");
state = STATE.w4_characteristic_complete;
btstack.GATTDiscoverCharacteristicsForServiceByUUID128(connectionHandle, batteryService, uuid128(this.battery_level_chr_uuid));
}
break;
case w4_characteristic_complete:
if (packet instanceof GATTCharacteristicQueryResult){
// Store battery level characteristic. Wait for GATTQueryComplete event to send next GATT command.
GATTCharacteristicQueryResult event = (GATTCharacteristicQueryResult) packet;
batteryLevelCharacteristic = event.getCharacteristic();
System.out.println(testAddr + " - battery level found.");
break;
}
if (!(packet instanceof GATTQueryComplete)) break;
if (batteryLevelCharacteristic == null) {
System.out.println("No battery level characteristic found");
break;
}
System.out.println(testAddr + " - polling battery.");
counter = 0;
state = STATE.battery_data;
new Thread(new Runnable(){
@Override
public void run() {
try {
while(state == STATE.battery_data){
Thread.sleep(5000);
btstack.GATTReadValueOfCharacteristic(connectionHandle, batteryLevelCharacteristic);
}
} catch (InterruptedException e) {}
}
}).start();
break;
case battery_data:
if (packet instanceof GATTCharacteristicValueQueryResult){
GATTCharacteristicValueQueryResult battery = (GATTCharacteristicValueQueryResult) packet;
if (battery.getValueLength() != 1) break;
byte[] data = battery.getValue();
counter = counter + 1;
System.out.println(String.format("Counter %d, battery level: %d", counter, data[0]) + "%");
break;
}
break;
default:
break;
}
}
public void handlePacketAcc(Packet packet){
// System.out.println(packet.toString());
if (packet instanceof HCIEventDisconnectionComplete){