|
public Purge ( |
||
| purgemask | Specifies which buffer(s) to be purged. Valid values are any combination of the following flags: FT_PURGE_RX, FT_PURGE_TX | |
| return | FT_STATUS | |
protected bool OpenFTDIDevice(FTDI.FT_DEVICE_INFO_NODE deviceToOpen)
{
bool connected = false;
lock (mFTDIDevice)
{
if (IsFTDIDeviceOpen())
{
CloseFTDIDevice();
}
if (FTDI.IsFTD2XXDLLLoaded())
{
if (deviceToOpen != null)
{
if (mFTDIDevice.OpenByLocation(deviceToOpen.LocId) == FTDI.FT_STATUS.FT_OK)
{
FTDI.FT_STATUS ftdiStatus = FTDI.FT_STATUS.FT_OK;
ftdiStatus |= mFTDIDevice.ResetDevice();
//ftdiStatus |= mFTDIDevice.ResetPort();
ftdiStatus |= mFTDIDevice.Purge(FTDI.FT_PURGE.FT_PURGE_RX | FTDI.FT_PURGE.FT_PURGE_TX);
if (ftdiStatus == FTDI.FT_STATUS.FT_OK)
{
DisplayStatusMessage("Opened FTDI device.", StatusMessageType.LOG);
DisplayStatusMessage("FTDI device info - Description: " + deviceToOpen.Description
+ " Serial Number: " + deviceToOpen.SerialNumber + " Device Type: " + deviceToOpen.Type
+ " ID: 0x" + deviceToOpen.ID.ToString("X") + " Device Flags: 0x" + deviceToOpen.Flags.ToString("X"), StatusMessageType.LOG);
if (FTDI.IsFTDChipIDDLLLoaded())
{
DisplayStatusMessage("FTDI ChipID DLL is loaded, checking chip ID...", StatusMessageType.LOG);
uint chipID = 0;
if (mFTDIDevice.GetChipIDFromCurrentDevice(out chipID) == FTDI.FT_STATUS.FT_OK)
{
DisplayStatusMessage("FTDI device chip ID: 0x" + chipID.ToString("X"), StatusMessageType.LOG);
}
else
{
DisplayStatusMessage("Unable to read FTDI device chip ID", StatusMessageType.LOG);
}
}
connected = true;
}
else
{
mFTDIDevice.Close();
}
}
else
{
DisplayStatusMessage("Could not open FTDI device", StatusMessageType.LOG);
}
}
else
{
DisplayStatusMessage("No FTDI device selected", StatusMessageType.LOG);
}
}
else
{
DisplayStatusMessage("FTDI FTD2XX device driver DLL could not be loaded.", StatusMessageType.USER);
}
}
return(connected);
}
static void Main(string[] args)
{
string deviceSerialNumber = "33VRWQARA";
FTDI.FT_STATUS status = new FTDI.FT_STATUS();
FTDI device = new FTDI();
UInt32 numberOfDevices = 0;
int sleepTime = 100;
status = device.GetNumberOfDevices(ref numberOfDevices);
FTDI.FT_DEVICE_INFO_NODE[] devicelist = new FTDI.FT_DEVICE_INFO_NODE[numberOfDevices];
status = device.GetDeviceList(devicelist);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("We have {0} devices", numberOfDevices);
else
Console.WriteLine("Failed to get number of devices");
status = device.OpenBySerialNumber(deviceSerialNumber);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("Device {0} is opened", deviceSerialNumber);
else
Console.WriteLine("Failed to open {0} device", deviceSerialNumber);
status = device.SetBitMode(0xff, FTDI.FT_BIT_MODES.FT_BIT_MODE_RESET);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("BitMode is resetted");
else
Console.WriteLine("Failed to reset BitMode");
status = device.SetBitMode(0xff, FTDI.FT_BIT_MODES.FT_BIT_MODE_SYNC_FIFO);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("BitMode is {0}", FTDI.FT_BIT_MODES.FT_BIT_MODE_SYNC_FIFO);
else
Console.WriteLine("Failed to set BitMode");
byte latency = 2;
device.SetLatency(latency);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("Latency timer value is {0}", latency);
else
Console.WriteLine("Failed to set latency");
uint inTransferSize = 0x10000;
device.InTransferSize(inTransferSize);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("inTransferSize value is {0}", inTransferSize);
else
Console.WriteLine("Failed to set inTransferSize");
device.SetFlowControl(FTDI.FT_FLOW_CONTROL.FT_FLOW_RTS_CTS, 0x00, 0x00);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("FlowControl is {0}", FTDI.FT_FLOW_CONTROL.FT_FLOW_RTS_CTS);
else
Console.WriteLine("Failed to set FlowControl");
device.Purge(FTDI.FT_PURGE.FT_PURGE_RX);
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.None))
{
using (BinaryReader br = new BinaryReader(fs))
{
int chunkLendth = 0x10000;
byte[] chunk;
uint numBytesWritten = 0;
//uint TxQueue = 0;
while (((chunk = br.ReadBytes(chunkLendth)).Length > 0) && (Console.KeyAvailable == false))
{
//status = device.GetTxBytesWaiting(ref TxQueue);
//if (status != FTDI.FT_STATUS.FT_OK)
// Console.WriteLine("status!=ok");
//while (TxQueue != 0)
// status = device.GetTxBytesWaiting(ref TxQueue);
status = device.Write(chunk, chunk.Length, ref numBytesWritten);
if (numBytesWritten != chunk.Length)
Console.WriteLine("Error writting to the device,\r\nchunk.Length={0}\r\nnumBytesWritten={1}",
chunk.Length, numBytesWritten);
}
}
}
Console.WriteLine("Key is pressed, end of file writting");
}
static void Main(string[] args)
{
string deviceSerialNumber = "33VRWQARA";
FTDI.FT_STATUS status = new FTDI.FT_STATUS();
FTDI device = new FTDI();
UInt32 numberOfDevices = 0;
int sleepTime = 100;
status = device.GetNumberOfDevices(ref numberOfDevices);
FTDI.FT_DEVICE_INFO_NODE[] devicelist = new FTDI.FT_DEVICE_INFO_NODE[numberOfDevices];
status = device.GetDeviceList(devicelist);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("We have {0} devices", numberOfDevices);
else
Console.WriteLine("Failed to get number of devices");
status = device.OpenBySerialNumber(deviceSerialNumber);
Thread.Sleep(sleepTime);
if(status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("Device {0} is opened", deviceSerialNumber);
else
Console.WriteLine("Failed to open {0} device", deviceSerialNumber);
status = device.SetBitMode(0xff, FTDI.FT_BIT_MODES.FT_BIT_MODE_RESET);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("BitMode is resetted");
else
Console.WriteLine("Failed to reset BitMode");
status = device.SetBitMode(0xff, FTDI.FT_BIT_MODES.FT_BIT_MODE_SYNC_FIFO);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("BitMode is {0}", FTDI.FT_BIT_MODES.FT_BIT_MODE_SYNC_FIFO);
else
Console.WriteLine("Failed to set BitMode");
byte latency = 2;
device.SetLatency(latency);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("Latency timer value is {0}", latency);
else
Console.WriteLine("Failed to set latency");
uint inTransferSize = 0x10000;
device.InTransferSize(inTransferSize);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("inTransferSize value is {0}", inTransferSize);
else
Console.WriteLine("Failed to set inTransferSize");
device.SetFlowControl(FTDI.FT_FLOW_CONTROL.FT_FLOW_RTS_CTS, 0x00, 0x00);
Thread.Sleep(sleepTime);
if (status == FTDI.FT_STATUS.FT_OK)
Console.WriteLine("FlowControl is {0}", FTDI.FT_FLOW_CONTROL.FT_FLOW_RTS_CTS);
else
Console.WriteLine("Failed to set FlowControl");
device.Purge(FTDI.FT_PURGE.FT_PURGE_RX);
uint numBytes = 0;
//int cycles = 0;
using(FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
{
using (BinaryWriter bw = new BinaryWriter(fs))
{
while (Console.KeyAvailable == false)
{
device.GetRxBytesAvailable(ref numBytes);
if (numBytes >= 1)
{
//cycles++;
byte[] bBuf = new byte[numBytes];
device.Read(bBuf, numBytes, ref numBytes);
bw.Write(bBuf);
//if (cycles == 1)
//{
// cycles = 0;
// Console.WriteLine("{0}", bBuf.Length);
//}
}
if (numBytes >= 0x10000)
{
Console.WriteLine("Buffer overload!");
}
}
//Console.WriteLine("Press 'p' to erase control bytes, 'q' to quite");
//ConsoleKeyInfo cki = Console.ReadKey(false);
//if (cki.Key == ConsoleKey.Q)
// Environment.Exit(-1);
//if (cki.Key == ConsoleKey.P)
//{
//}
}
}
Console.WriteLine("Key is pressed, end of file writting");
}
// public methods
/// <summary>
/// Attempt to open RHA2000-EVAL board connected to USB port.
/// </summary>
/// <param name="firmwareID1">Board ID number (1 of 3)</param>
/// <param name="firmwareID2">Board ID number (2 of 3)</param>
/// <param name="firmwareID3">Board ID number (3 of 3)</param>
public void Open(ref int firmwareID1, ref int firmwareID2, ref int firmwareID3)
{
// Open FTDI USB device.
UInt32 ftdiDeviceCount = 0;
FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK;
// Create new instance of the FTDI device class.
myFtdiDeviceA = new FTDI();
// Determine the number of FTDI devices connected to the machine.
ftStatus = myFtdiDeviceA.GetNumberOfDevices(ref ftdiDeviceCount);
// Check status.
if (!(ftStatus == FTDI.FT_STATUS.FT_OK))
{
UsbException e = new UsbException("USB Setup Error: Failed to get number devices");
throw e;
}
// If no devices available, return.
if (ftdiDeviceCount == 0)
{
UsbException e = new UsbException("No valid USB devices detected");
throw e;
}
// Allocate storage for device info list.
FTDI.FT_DEVICE_INFO_NODE[] ftdiDeviceList = new FTDI.FT_DEVICE_INFO_NODE[ftdiDeviceCount];
// Populate our device list.
ftStatus = myFtdiDeviceA.GetDeviceList(ftdiDeviceList);
// There could be a status error here, but we're not checking for it...
// The Intan Technologies RHA2000-EVAL board uses an FTDI FT2232H chip to provide a USB
// interface to a PC. Detailed information on this chip may be found at:
//
// http://www.ftdichip.com/Products/ICs/FT2232H.htm
//
// The FT2232H supports two independent FIFO channels. The channel used by the RHA2000-EVAL
// board is factory-configured with the name "Intan I/O board 1.0 A". (FTDI provides software
// routines to open device by its name.)
ftStatus = myFtdiDeviceA.OpenByDescription("Intan I/O Board 1.0 A");
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
UsbException e = new UsbException("Intan USB device A not found");
throw e;
}
// Set read timeout to 5 seconds, write timeout to infinite
ftStatus = myFtdiDeviceA.SetTimeouts(5000, 0);
// There could be status error here, but we're not checking for it...
this.Stop();
// Purge receive buffer
myFtdiDeviceA.Purge(FTDI.FT_PURGE.FT_PURGE_RX);
// Check board ID and version number
//
// The RHA2000-EVAL board is controlled by sending one-byte ASCII command characters over
// the USB interface. The 'I' character commands the board to return a 3-byte ID/version
// number.
UInt32 numBytesWritten = 0;
Byte[] myChars = { 73 }; // 'I' = request board ID and version number
ftStatus = myFtdiDeviceA.Write(myChars, 1, ref numBytesWritten);
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
UsbException e = new UsbException("Could not write to Intan USB device");
throw e;
}
const UInt32 numBytesToRead = 3;
// Wait until the desired number of bytes have been received.
UInt32 numBytesAvailable = 0;
while (numBytesAvailable < numBytesToRead)
{
ftStatus = myFtdiDeviceA.GetRxBytesAvailable(ref numBytesAvailable);
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
UsbException e = new UsbException("Failed to get number of USB bytes available to read");
throw e;
}
}
// Now that we have the amount of data we want available, read it.
UInt32 numBytesRead = 0;
ftStatus = myFtdiDeviceA.Read(readDataBufferA, numBytesToRead, ref numBytesRead);
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
UsbException e = new UsbException("USB read error");
throw e;
}
firmwareID1 = Convert.ToInt32(readDataBufferA[0]);
firmwareID2 = Convert.ToInt32(readDataBufferA[1]);
firmwareID3 = Convert.ToInt32(readDataBufferA[2]);
Debug.WriteLine("Board ID: " + readDataBufferA[0] + " " + (Convert.ToInt32(readDataBufferA[1])).ToString() + " " + (Convert.ToInt32(readDataBufferA[2])).ToString());
this.ZCheckOff();
this.SettleOff();
// Purge receive buffer.
myFtdiDeviceA.Purge(FTDI.FT_PURGE.FT_PURGE_RX);
dataJustStarted = true;
}
private void Read()
{
byte[] packetStart = new byte[2];
byte[] packetBody = new byte[10];
uint read = 0;
centralBoardCom.Read(packetStart, 2, ref read);
if (packetStart[0] == 0xff && packetStart[1] == 0xff) //Start of packet detected
{
centralBoardCom.Read(packetBody, 10, ref read);
int sum = 0;
for (int i = 0; i < 9; i++)
{
sum += packetBody[i];
}
if ((byte)(sum & 0xff) != packetBody[9])
{
return;
}
byte IRInfo = packetBody[8];
Monitor.Enter(BottomSensorValue);
BottomSensorValue[0] = ((IRInfo & 1) == 1 ? true : false);
BottomSensorValue[1] = (((IRInfo >> 1) & 1) == 1 ? true : false);
Monitor.Exit(BottomSensorValue);
int IRChannel0Num = (IRInfo >> 2) & 7;
int IRChannel1Num = (IRInfo >> 5) & 7;
Monitor.Enter(IRSensorValue);
IRSensorValue[IRChannel0Num] = (ushort)((packetBody[1] << 8) | packetBody[0]);
IRSensorValue[IRChannel1Num] = (ushort)((packetBody[3] << 8) | packetBody[2]);
Monitor.Exit(IRSensorValue);
if (packetBody[4] == 0xFE && packetBody[5] == 0xFE)
{
Monitor.Enter(LaserError);
LaserError[0] = true;
Monitor.Exit(LaserError);
Monitor.Enter(LaserValue);
LaserValue[0] = 0;
Monitor.Exit(LaserValue);
}
else
{
Monitor.Enter(LaserError);
LaserError[0] = false;
Monitor.Exit(LaserError);
Monitor.Enter(LaserValue);
LaserValue[0] = (ushort)((packetBody[5] << 8) | packetBody[4]);
Monitor.Exit(LaserValue);
}
if (packetBody[6] == 0xFE && packetBody[7] == 0xFE)
{
Monitor.Enter(LaserError);
LaserError[1] = true;
Monitor.Exit(LaserError);
Monitor.Enter(LaserValue);
LaserValue[1] = 0;
Monitor.Exit(LaserValue);
}
else
{
Monitor.Enter(LaserError);
LaserError[1] = false;
Monitor.Exit(LaserError);
Monitor.Enter(LaserValue);
LaserValue[1] = (ushort)((packetBody[7] << 8) | packetBody[6]);
Monitor.Exit(LaserValue);
}
}
else
{
centralBoardCom.Purge(FTDI.FT_PURGE.FT_PURGE_RX);
}
}
static void Main(string[] args)
{
UInt32 ftdiDeviceCount = 0;
FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK;
// Create new instance of the FTDI device class
FTDI myFtdiDevice = new FTDI();
// Determine the number of FTDI devices connected to the machine
ftStatus = myFtdiDevice.GetNumberOfDevices(ref ftdiDeviceCount);
// Check status
if (ftStatus == FTDI.FT_STATUS.FT_OK)
{
Console.WriteLine("Number of FTDI devices: " + ftdiDeviceCount.ToString());
Console.WriteLine("");
}
else
{
// Wait for a key press
Console.WriteLine("Failed to get number of devices (error " + ftStatus.ToString() + ")");
Console.ReadKey();
return;
}
// If no devices available, return
if (ftdiDeviceCount == 0)
{
// Wait for a key press
Console.WriteLine("Failed to get number of devices (error " + ftStatus.ToString() + ")");
Console.ReadKey();
return;
}
// Allocate storage for device info list
FTDI.FT_DEVICE_INFO_NODE[] ftdiDeviceList = new FTDI.FT_DEVICE_INFO_NODE[ftdiDeviceCount];
// Populate our device list
ftStatus = myFtdiDevice.GetDeviceList(ftdiDeviceList);
if (ftStatus == FTDI.FT_STATUS.FT_OK)
{
for (UInt32 i = 0; i < ftdiDeviceCount; i++)
{
Console.WriteLine("Device Index: " + i.ToString());
Console.WriteLine("Flags: " + String.Format("{0:x}", ftdiDeviceList[i].Flags));
Console.WriteLine("Type: " + ftdiDeviceList[i].Type.ToString());
Console.WriteLine("ID: " + String.Format("{0:x}", ftdiDeviceList[i].ID));
Console.WriteLine("Location ID: " + String.Format("{0:x}", ftdiDeviceList[i].LocId));
Console.WriteLine("Serial Number: " + ftdiDeviceList[i].SerialNumber.ToString());
Console.WriteLine("Description: " + ftdiDeviceList[i].Description.ToString());
Console.WriteLine("");
}
}
// Open first device in our list by serial number
ftStatus = myFtdiDevice.OpenBySerialNumber(ftdiDeviceList[1].SerialNumber);
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
// Wait for a key press
Console.WriteLine("Failed to open device (error " + ftStatus.ToString() + ")");
Console.ReadKey();
return;
}
// Set up device data parameters
// Set Baud rate to 9600
ftStatus = myFtdiDevice.SetBaudRate(9600);
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
// Wait for a key press
Console.WriteLine("Failed to set Baud rate (error " + ftStatus.ToString() + ")");
Console.ReadKey();
return;
}
// Set data characteristics - Data bits, Stop bits, Parity
ftStatus = myFtdiDevice.SetDataCharacteristics(FTDI.FT_DATA_BITS.FT_BITS_8, FTDI.FT_STOP_BITS.FT_STOP_BITS_1, FTDI.FT_PARITY.FT_PARITY_NONE);
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
// Wait for a key press
Console.WriteLine("Failed to set data characteristics (error " + ftStatus.ToString() + ")");
Console.ReadKey();
return;
}
// Set flow control - set RTS/CTS flow control
ftStatus = myFtdiDevice.SetFlowControl(FTDI.FT_FLOW_CONTROL.FT_FLOW_NONE,0,0);
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
// Wait for a key press
Console.WriteLine("Failed to set flow control (error " + ftStatus.ToString() + ")");
Console.ReadKey();
return;
}
// Set read timeout to 5 seconds, write timeout to infinite
ftStatus = myFtdiDevice.SetTimeouts(5000, 0);
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
// Wait for a key press
Console.WriteLine("Failed to set timeouts (error " + ftStatus.ToString() + ")");
Console.ReadKey();
return;
}
// Perform loop back - make sure loop back connector is fitted to the device
// Write string data to the device
string dataToWrite = "Hello world!";
UInt32 numBytesWritten = 0;
// Note that the Write method is overloaded, so can write string or byte array data
ftStatus = myFtdiDevice.Write(dataToWrite, dataToWrite.Length, ref numBytesWritten);
myFtdiDevice.Purge(FTDI.FT_PURGE.FT_PURGE_TX);
if (numBytesWritten != dataToWrite.Length)
{
Console.WriteLine("Error writting");
Console.Read();
return;
}
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
// Wait for a key press
Console.WriteLine("Failed to write to device (error " + ftStatus.ToString() + ")");
Console.ReadKey();
return;
}
// Check the amount of data available to read
// In this case we know how much data we are expecting,
// so wait until we have all of the bytes we have sent.
UInt32 numBytesAvailable = 0;
do
{
ftStatus = myFtdiDevice.GetRxBytesAvailable(ref numBytesAvailable);
//Console.WriteLine(ftStatus + " " + numBytesAvailable);
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
// Wait for a key press
Console.WriteLine("Failed to get number of bytes available to read (error " + ftStatus.ToString() + ")");
Console.ReadKey();
return;
}
Thread.Sleep(10);
} while (numBytesAvailable < dataToWrite.Length);
// Now that we have the amount of data we want available, read it
string readData;
UInt32 numBytesRead = 0;
// Note that the Read method is overloaded, so can read string or byte array data
ftStatus = myFtdiDevice.Read(out readData, numBytesAvailable, ref numBytesRead);
if (ftStatus != FTDI.FT_STATUS.FT_OK)
{
// Wait for a key press
Console.WriteLine("Failed to read data (error " + ftStatus.ToString() + ")");
Console.ReadKey();
return;
}
Console.WriteLine(readData);
// Close our device
ftStatus = myFtdiDevice.Close();
// Wait for a key press
Console.WriteLine("Press any key to continue.");
Console.ReadKey();
return;
}