public static initializeDeviceConnectionAccessoryMode ( |
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device | ||
리턴 | System.Boolean |
/// <summary> /// Called when the device is INITIALLY connected. This sets the mini device to accessory mode, /// at which point the mini device disconnects. /// </summary> private Boolean DeviceInitiallyConnected() { lock (DeviceInitSyncLock) { TransportLog("Entering DeviceInitiallyConnected: " + Thread.CurrentThread.GetHashCode()); Boolean initialized = false; if (MyUsbDevice == null || !MyUsbDevice.IsOpen) { UsbDevice TempMyUsbDevice = null; try { // Find and open the usb device. foreach (UsbDeviceFinder merchUsbFinder in MerchantUsbFinders) { TempMyUsbDevice = UsbDevice.OpenUsbDevice(merchUsbFinder); if (TempMyUsbDevice != null) // if it matches, go on... { break; } } // If the device is open and ready if (TempMyUsbDevice != null && TempMyUsbDevice.IsOpen) { initialized = MiniInitializer.initializeDeviceConnectionAccessoryMode(TempMyUsbDevice); } else { TransportLog("Error finding device in merchant mode"); } } catch (Exception ex) { TransportLog(ex.Message); } TransportLog("Exiting DeviceInitiallyConnected initialized=" + initialized); } else { initialized = true; } if (initialized) { onDeviceConnected(); } return(initialized); } }
/// <summary> /// Called when the device is INITIALLY connected. This sets the mini device to accessory mode, /// at which point the mini device disconnects. /// </summary> private bool DeviceInitiallyConnected() { lock (DeviceInitSyncLock) { TransportLog("Entering DeviceInitiallyConnected: " + Thread.CurrentThread.GetHashCode()); Boolean initialized = false; if (MyUsbDevice == null || !MyUsbDevice.IsOpen || !MyUsbDevice.UsbRegistryInfo.IsAlive) { // If the device is open and we no longer have this device in the bus enumeration, close it to try to // get it back to a sane state if (MyUsbDevice != null && !MyUsbDevice.UsbRegistryInfo.IsAlive) { if (MyUsbDevice.IsOpen) { MyUsbDevice.Close(); } } UsbDevice TempMyUsbDevice = null; try { // Find and open the usb device. foreach (UsbDeviceFinder merchUsbFinder in MerchantUsbFinders.ToArray()) { TempMyUsbDevice = UsbDevice.OpenUsbDevice(merchUsbFinder); if (TempMyUsbDevice != null) // if it matches, go on... { break; } } // If the device is open and ready if (TempMyUsbDevice != null && TempMyUsbDevice.IsOpen) { initialized = MiniInitializer.initializeDeviceConnectionAccessoryMode(TempMyUsbDevice); } else { TransportLog("Error finding device in merchant mode"); } } catch (Exception ex) { TransportLog(ex.Message); Console.WriteLine("DeviceInitiallyConnected : " + ex.Message); } TransportLog("Exiting DeviceInitiallyConnected initialized=" + initialized); } else { initialized = true; } if (initialized) { onDeviceConnected(); } return(initialized); } }