private void handleBleConnected()
{
/* If we get data it's likely ACKs for benchmarking. */
BleApi.BLEData data = new BleApi.BLEData();
while (BleApi.PollData(out data, false))
{
string log_str = string.Format(
"Recieved from {0} | {1} | {2}\n\t{3} bytes:\n\t",
data.deviceId, data.serviceUuid, data.characteristicUuid, data.size
);
Debug.Log(log_str);
#if BLE_BENCHMARK
if (awaitingResponse) /* Got response. */
{
awaitingResponse = false;
var now = DateTime.Now;
var timediff = now - previousSendTime;
Debug.Log(
string.Format("Received ACK in {0} ms", timediff.TotalMilliseconds)
);
}
#endif
}
}
private void handleBleConnecting()
{
BleApi.Service service = new BleApi.Service();
BleApi.ScanStatus status;
do
{
status = BleApi.PollService(out service, false);
if (status == BleApi.ScanStatus.AVAILABLE)
{
Debug.Log("Found service: " + service.uuid);
string uuid = service.uuid.Replace("{", null).Replace("}", null);
if (uuid.Equals(SERVICE_UUID, StringComparison.OrdinalIgnoreCase))
{
/* Service found, subscribe to updates from TX char */
BleApi.SubscribeCharacteristic(truetouchDevice.id, SERVICE_UUID, TX_CHAR_UUID, false);
state = BleState.CONNECTED;
Debug.Log("Connected to TrueTouch");
return;
}
}
else if (status == BleApi.ScanStatus.FINISHED)
{
/* Couldn't find target service on the device */
errorString = "Could not find NUS service on TrueTouch";
state = BleState.ERROR;
}
} while (status == BleApi.ScanStatus.AVAILABLE);
}
/** Search for the TrueTouch device. */
private void handleBleScanning()
{
BleApi.DeviceUpdate device = new BleApi.DeviceUpdate();
BleApi.ScanStatus status;
do
{
status = BleApi.PollDevice(ref device, false);
if (status == BleApi.ScanStatus.AVAILABLE)
{
Debug.Log("Found device: " + device.name + " | " + device.id);
if (device.name.Equals(DEVICE_NAME, StringComparison.OrdinalIgnoreCase))
{
/* TrueTouch found, scan for the desired service UUID */
BleApi.StopDeviceScan();
truetouchDevice = device;
BleApi.ScanServices(truetouchDevice.id);
state = BleState.CONNECTING;
Debug.Log("Scanning TrueTouch's services");
return;
}
}
else if (status == BleApi.ScanStatus.FINISHED)
{
/* Ran out of devices without finding target device */
errorString = "Could not find TrueTouch";
state = BleState.ERROR;
}
} while (status == BleApi.ScanStatus.AVAILABLE);
}
private void handleBleIdle()
{
/* Entering here must mean an error happened; just try to restart */
BleApi.StartDeviceScan();
state = BleState.SCANNING;
Debug.Log("Restart scanning for devices");
}
// Start is called before the first frame update
void Start()
{
/* Start scanning */
BleApi.StartDeviceScan();
state = BleState.SCANNING;
Debug.Log("Scanning for devices");
InvokeRepeating("executeHandUpdate", SendRateSeconds, SendRateSeconds);
}
public void StartCharacteristicScan()
{
if (!isScanningCharacteristics)
{
// start new scan
characteristicDropdown.ClearOptions();
BleApi.ScanCharacteristics(selectedDeviceId, selectedServiceId);
isScanningCharacteristics = true;
characteristicScanStatusText.text = "scanning";
characteristicScanButton.interactable = false;
}
}
public void StartServiceScan()
{
if (!isScanningServices)
{
// start new scan
serviceDropdown.ClearOptions();
BleApi.ScanServices(selectedDeviceId);
isScanningServices = true;
serviceScanStatusText.text = "scanning";
serviceScanButton.interactable = false;
}
}
public void StartStopDeviceScan()
{
if (!isScanningDevices)
{
// start new scan
for (int i = scanResultRoot.childCount - 1; i >= 0; i--)
{
Destroy(scanResultRoot.GetChild(i).gameObject);
}
BleApi.StartDeviceScan();
isScanningDevices = true;
deviceScanButtonText.text = "Stop scan";
deviceScanStatusText.text = "scanning";
}
else
{
// stop scan
isScanningDevices = false;
BleApi.StopDeviceScan();
deviceScanButtonText.text = "Start scan";
deviceScanStatusText.text = "stopped";
}
}
// Update is called once per frame
void Update()
{
BleApi.ScanStatus status;
if (isScanningDevices)
{
BleApi.DeviceUpdate res = new BleApi.DeviceUpdate();
do
{
status = BleApi.PollDevice(ref res, false);
if (status == BleApi.ScanStatus.AVAILABLE)
{
if (!devices.ContainsKey(res.id))
{
devices[res.id] = new Dictionary <string, string>()
{
{ "name", "" },
{ "isConnectable", "False" }
}
}
;
if (res.nameUpdated)
{
devices[res.id]["name"] = res.name;
}
if (res.isConnectableUpdated)
{
devices[res.id]["isConnectable"] = res.isConnectable.ToString();
}
// consider only devices which have a name and which are connectable
if (devices[res.id]["name"] != "" && devices[res.id]["isConnectable"] == "True")
{
// add new device to list
GameObject g = Instantiate(deviceScanResultProto, scanResultRoot);
g.name = res.id;
g.transform.GetChild(0).GetComponent <Text>().text = devices[res.id]["name"];
g.transform.GetChild(1).GetComponent <Text>().text = res.id;
}
}
else if (status == BleApi.ScanStatus.FINISHED)
{
isScanningDevices = false;
deviceScanButtonText.text = "Scan devices";
deviceScanStatusText.text = "finished";
}
} while (status == BleApi.ScanStatus.AVAILABLE);
}
if (isScanningServices)
{
BleApi.Service res = new BleApi.Service();
do
{
status = BleApi.PollService(out res, false);
if (status == BleApi.ScanStatus.AVAILABLE)
{
serviceDropdown.AddOptions(new List <string> {
res.uuid
});
// first option gets selected
if (serviceDropdown.options.Count == 1)
{
SelectService(serviceDropdown.gameObject);
}
}
else if (status == BleApi.ScanStatus.FINISHED)
{
isScanningServices = false;
serviceScanButton.interactable = true;
serviceScanStatusText.text = "finished";
}
} while (status == BleApi.ScanStatus.AVAILABLE);
}
if (isScanningCharacteristics)
{
BleApi.Characteristic res = new BleApi.Characteristic();
do
{
status = BleApi.PollCharacteristic(out res, false);
if (status == BleApi.ScanStatus.AVAILABLE)
{
string name = res.userDescription != "no description available" ? res.userDescription : res.uuid;
characteristicNames[name] = res.uuid;
characteristicDropdown.AddOptions(new List <string> {
name
});
// first option gets selected
if (characteristicDropdown.options.Count == 1)
{
SelectCharacteristic(characteristicDropdown.gameObject);
}
}
else if (status == BleApi.ScanStatus.FINISHED)
{
isScanningCharacteristics = false;
characteristicScanButton.interactable = true;
characteristicScanStatusText.text = "finished";
}
} while (status == BleApi.ScanStatus.AVAILABLE);
}
if (isSubscribed)
{
BleApi.BLEData res = new BleApi.BLEData();
while (BleApi.PollData(out res, false))
{
subcribeText.text = BitConverter.ToString(res.buf, 0, res.size);
// subcribeText.text = Encoding.ASCII.GetString(res.buf, 0, res.size);
}
}
{
// log potential errors
BleApi.ErrorMessage res = new BleApi.ErrorMessage();
BleApi.GetError(out res);
if (lastError != res.msg)
{
Debug.LogError(res.msg);
errorText.text = res.msg;
lastError = res.msg;
}
}
}
public void Subscribe()
{
// no error code available in non-blocking mode
BleApi.SubscribeCharacteristic(selectedDeviceId, selectedServiceId, selectedCharacteristicId, false);
isSubscribed = true;
}
private void OnApplicationQuit()
{
BleApi.Quit();
}
