// replaces setupread
public bool ReadInputBuffer()
{
var ret = false;
Hid.InputReportViaInterruptTransfer myInputReport = new Hid.InputReportViaInterruptTransfer();
//i don't want this sub function to be able to disconnect the colorimeter
var myColorimeterDetected = true;
myInputReport.Read(hidHandle, readHandle, writeHandle, ref myColorimeterDetected, ref inputBuffer, ref ret);
for (int count = 0; count < inputBuffer.Length; count++)
{
// Copy input data to buffer
inputBuffer[count] = inputBuffer[count];
}
return(ret);
}
/// <summary>
/// Initiates exchanging reports.
/// The application sends a report and requests to read a report.
/// </summary>
///
/// <returns>True if read successful, false otherwise</returns>
public Boolean SetupRead()
{
Boolean success = false;
try
{
// Check read handle
if (!readHandle.IsInvalid)
{
if (MyHid.Capabilities.InputReportByteLength > 0)
{
Hid.InputReportViaInterruptTransfer myInputReport = new Hid.InputReportViaInterruptTransfer();
//i don't want this sub function to be able to disconnect the colorimeter
var myColorimeterDetected = true;
myInputReport.Read(hidHandle, readHandle, writeHandle, ref myColorimeterDetected, ref inputBuffer, ref success);
InputReportReceived(ref inputBuffer, success);
}
else
{
//response.responseInfo.Add("This HID device doesn't have an Input report.");
}
}
else
{
//response.responseInfo.Add("Invalid read handle.");
}
return(success);
}
catch (Exception ex)
{
//response.responseInfo.Add($"Colorimeter.SetupRead() {ex}");
throw;
}
}
//This method is used for the cases where a single response packet will be enough to contain the results, and we will not have to iterate through a large amount of data
private string GetSinglePacketResponse(OutCmd outCommand)
{
try
{
////build command to send buffer
byte[] outputBuffer = new byte[MyHid.Capabilities.OutputReportByteLength];
outputBuffer[0] = 0;
outputBuffer[1] = Convert.ToByte(outCommand);//the value of the query firmware state
outputBuffer[2] = 0;
//Write command to buffer
Hid.OutputReportViaInterruptTransfer outputReport = new Hid.OutputReportViaInterruptTransfer();
if (!outputReport.Write(outputBuffer, writeHandle))
{
//Failure writing to the report
throw new Exception();
}
//Read from the input report
bool deviceConnected = true;
bool success = false;
Hid.InputReportViaInterruptTransfer myInputReport = new Hid.InputReportViaInterruptTransfer();
myInputReport.Read(hidHandle, readHandle, writeHandle, ref deviceConnected, ref inputBuffer, ref success);
if (!success)
{
//failure reading from the report
throw new Exception();
}
InputReportReceived(ref inputBuffer, success);
newInputData = true;
if (outCommand.Equals(OutCmd.SendFwVers) || outCommand.Equals(OutCmd.SendTestFileVers))
{
//Both of these types of queries return the same type of packet, an encoded string
return(Encoding.GetEncoding("iso-8859-1").GetString(inputBuffer, 3, inputBuffer[2]));
}
if (outCommand.Equals(OutCmd.QueryFirmwareState))
{
switch ((InCmd)inputBuffer[1])
{
case InCmd.BootloaderRunning:
return("BootloaderRunning");
case InCmd.MainFwRunning:
return("MainFwRunning");
default:
return("Unknown");
}
}
}
catch (Exception ex)
{
}
return(null);
}