public static usb_relay_device_info usb_relay_device_enumerate()
{
IntPtr x = USBRelayDriver.Pusb_relay_device_enumerate();
usb_relay_device_info a = (usb_relay_device_info)Marshal.PtrToStructure(x, typeof(usb_relay_device_info));
return(a);
}
public void updateState(bool newState)
{
int res = -1;
if (deviceHandle > 0)
{
TimeSpan ts = DateTime.Now - previousTime;
previousTime = DateTime.Now;
if (ts.Seconds >= minTime)
{
if (newState)
{
deviceHandle = USBRelayDriver.usb_relay_device_open_with_serial_number(serial, serial.Length);
res = USBRelayDriver.usb_relay_device_open_all_relay_channel(deviceHandle);
}
else
{
res = USBRelayDriver.usb_relay_device_close_all_relay_channel(deviceHandle);
USBRelayDriver.usb_relay_device_close(deviceHandle);
}
}
}
if (res != 0 || deviceHandle < 0)
{
//revert back to the original state if the device was not able to respond
ignoreCheckEvent = true;
chkOpen.Checked = !newState;
ignoreCheckEvent = false;
}
}
public void USBRelayControl_Load()
{
if (USBRelayDriver.usb_relay_init() != 0)
{
Console.WriteLine("Couldn't initialize!");
return;
}
else
{
Console.WriteLine("Initialized successfully!");
}
usb_relay_device_info deviceInfo = USBRelayDriver.usb_relay_device_enumerate();
serial = deviceInfo.serial_number;
deviceHandle = USBRelayDriver.usb_relay_device_open_with_serial_number(serial, serial.Length);
int openResult = USBRelayDriver.usb_relay_device_open_all_relay_channel(deviceHandle);
if (openResult == 0)
{
Console.WriteLine("No error returned from usb_relay_device_open_one_relay_channel!");
lblNameInfo.Text = serial;
chkOpen.Checked = true;
previousTime = DateTime.Now;
}
else if (openResult == 1)
{
Console.WriteLine("Got error from OpenOneRelayChannel!");
deviceHandle = -1;
return;
}
}
/**
* Returns 0 if it is okay to close the application. 1 otherwise
*/
public int closeUSBRelayControl()
{
if (deviceHandle > 0)
{
int res = USBRelayDriver.usb_relay_device_close_all_relay_channel(deviceHandle);
USBRelayDriver.usb_relay_device_close(deviceHandle);
}
deviceHandle = -1;
return(0);
}
