| public GetCOMPort ( string &ComPortName ) : FT_STATUS | ||
| ComPortName | string | The COM port name corresponding to the current device. If no COM port is installed, an empty string is passed back. |
| return | FT_STATUS | |
private void AttemptConnect()
{
connected = false;
UInt32 DeviceCount = 0;
FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK;
// Create new instance of the FTDI device class
ftdi = new FTDI();
// Determine the number of FTDI devices connected to the machine
ftStatus = ftdi.GetNumberOfDevices( ref DeviceCount );
// Check status
if(ftStatus != FTDI.FT_STATUS.FT_OK || DeviceCount == 0)
{
commStat = CommStatus.NoDevice;
return;
}
commStat = CommStatus.NoElev8;
// Allocate storage for device info list
FTDI.FT_DEVICE_INFO_NODE[] DeviceList = new FTDI.FT_DEVICE_INFO_NODE[DeviceCount];
try
{
// Populate our device list
ftStatus = ftdi.GetDeviceList( DeviceList );
bool FoundElev8 = false;
for(int i = 0; i < DeviceCount && FoundElev8 == false; i++)
{
if(DeviceList[i].Type != FTDI.FT_DEVICE.FT_DEVICE_X_SERIES) continue;
for(int baud = 0; baud < 2; baud++)
{
ftStatus = ftdi.OpenBySerialNumber( DeviceList[i].SerialNumber );
if(ftStatus == FTDI.FT_STATUS.FT_OK)
{
string portName;
ftdi.GetCOMPort( out portName );
if(portName == null || portName == "")
{
ftdi.Close();
continue;
}
if(baud == 0) {
ftdi.SetBaudRate( 115200 ); // try this first
}
else {
ftdi.SetBaudRate( 57600 ); // then try this (xbee)
}
ftdi.SetDataCharacteristics( 8, 1, 0 );
ftdi.SetFlowControl( FTDI.FT_FLOW_CONTROL.FT_FLOW_NONE, 0, 0 );
txBuffer[0] = (byte)'E';
txBuffer[1] = (byte)'l';
txBuffer[2] = (byte)'v';
txBuffer[3] = (byte)'8';
uint written = 0;
for(int j = 0; j < 10 && FoundElev8 == false && !quit; j++) // Keep pinging until it replies, or we give up
{
ftdi.Write( txBuffer, 4, ref written );
System.Threading.Thread.Sleep( 50 );
uint bytesAvail = 0;
ftdi.GetRxBytesAvailable( ref bytesAvail ); // How much data is available from the serial port?
if(bytesAvail > 0)
{
int TestVal = 0;
while(bytesAvail > 0 && !quit)
{
uint bytesRead = 0;
ftdi.Read( rxBuffer, 1, ref bytesRead );
if(bytesRead == 1)
{
TestVal = (TestVal << 8) | rxBuffer[0];
if(TestVal == (int)(('E' << 0) | ('l' << 8) | ('v' << 16) | ('8' << 24)) )
{
FoundElev8 = true;
commStat = CommStatus.Connected;
break;
}
}
if(bytesRead == 0) break;
}
}
}
if(FoundElev8)
{
connected = true;
if(ConnectionStarted != null) {
ConnectionStarted();
}
break;
}
else
{
ftdi.Close();
}
}
}
}
}
catch(Exception)
{
return;
}
}
private void AttemptConnect()
{
connected = false;
UInt32 DeviceCount = 0;
FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK;
// Create new instance of the FTDI device class
ftdi = new FTDI();
// Determine the number of FTDI devices connected to the machine
ftStatus = ftdi.GetNumberOfDevices( ref DeviceCount );
// Check status
if(ftStatus != FTDI.FT_STATUS.FT_OK || DeviceCount == 0)
{
commStat = CommStatus.NoDevice;
return;
}
commStat = CommStatus.NoElev8;
// Allocate storage for device info list
FTDI.FT_DEVICE_INFO_NODE[] DeviceList = new FTDI.FT_DEVICE_INFO_NODE[DeviceCount];
try
{
// Populate our device list
ftStatus = ftdi.GetDeviceList( DeviceList );
bool FoundElev8 = false;
for(int i = 0; i < DeviceCount && FoundElev8 == false; i++)
{
if(DeviceList[i].Type != FTDI.FT_DEVICE.FT_DEVICE_X_SERIES) continue;
ftStatus = ftdi.OpenBySerialNumber( DeviceList[i].SerialNumber );
if(ftStatus == FTDI.FT_STATUS.FT_OK)
{
string portName;
ftdi.GetCOMPort( out portName );
if(portName == null || portName == "")
{
ftdi.Close();
continue;
}
ftdi.SetBaudRate( 115200 );
ftdi.SetDataCharacteristics( 8, 1, 0 );
ftdi.SetFlowControl( FTDI.FT_FLOW_CONTROL.FT_FLOW_NONE, 0, 0 );
txBuffer[0] = (byte)0; // Set it to MODE_None to stop it writing (reset in case it was disconnected)
txBuffer[1] = (byte)0xff; // Send 0xff to the Prop to see if it replies
uint written = 0;
for(int j = 0; j < 10 && FoundElev8 == false; j++) // Keep pinging until it replies, or we give up
{
ftdi.Write( txBuffer, 2, ref written );
System.Threading.Thread.Sleep( 50 );
uint bytesAvail = 0;
ftdi.GetRxBytesAvailable( ref bytesAvail ); // How much data is available from the serial port?
if(bytesAvail > 0)
{
uint bytesRead = 0;
ftdi.Read( rxBuffer, 1, ref bytesRead ); // If it comes back with 0xE8 it's the one we want
if(bytesRead == 1 && rxBuffer[0] == 0xE8)
{
FoundElev8 = true;
commStat = CommStatus.Connected;
break;
}
}
}
if(FoundElev8) {
connected = true;
txBuffer[0] = 2; // MODE_Sensors
written = 0;
ftdi.Write( txBuffer, 1, ref written );
if(ConnectionStarted != null) {
ConnectionStarted();
}
break;
}
else {
ftdi.Close();
}
}
}
}
catch(Exception)
{
return;
}
}
void ConnectFTDI()
{
UInt32 DeviceCount = 0;
FTDI.FT_STATUS ftStatus = FTDI.FT_STATUS.FT_OK;
// Create new instance of the FTDI device class
ftdi = new FTDI();
// Determine the number of FTDI devices connected to the machine
ftStatus = ftdi.GetNumberOfDevices( ref DeviceCount );
// Check status
if(ftStatus != FTDI.FT_STATUS.FT_OK || DeviceCount == 0) {
commStat = CommStatus.NoDevices;
return;
}
commStat = CommStatus.NoElev8;
// Allocate storage for device info list
FTDI.FT_DEVICE_INFO_NODE[] DeviceList = new FTDI.FT_DEVICE_INFO_NODE[DeviceCount];
try
{
// Populate our device list
ftStatus = ftdi.GetDeviceList( DeviceList );
bool FoundElev8 = false;
for(int i = 0; i < DeviceCount && FoundElev8 == false; i++)
{
if(DeviceList[i].Type != FTDI.FT_DEVICE.FT_DEVICE_X_SERIES) continue;
ftStatus = ftdi.OpenBySerialNumber( DeviceList[i].SerialNumber );
if(ftStatus == FTDI.FT_STATUS.FT_OK)
{
string portName;
ftdi.GetCOMPort( out portName );
if(portName == null || portName == "")
{
ftdi.Close();
continue;
}
ftdi.SetBaudRate( 115200 );
ftdi.SetDataCharacteristics( 8, 1, 0 );
ftdi.SetFlowControl( FTDI.FT_FLOW_CONTROL.FT_FLOW_NONE, 0, 0 );
txBuffer[0] = (byte)0xff; // Send 0xff to the Prop to see if it replies
uint written = 0;
for(int j = 0; j < 10 && FoundElev8 == false; j++) // Keep pinging until it replies, or we give up
{
ftdi.Write( txBuffer, 1, ref written );
System.Threading.Thread.Sleep( 50 );
uint bytesAvail = 0;
ftdi.GetRxBytesAvailable( ref bytesAvail ); // How much data is available from the serial port?
if(bytesAvail > 0)
{
uint bytesRead = 0;
ftdi.Read( rxBuffer, 1, ref bytesRead ); // If it comes back with 0xE8 it's the one we want
if(bytesRead == 1 && rxBuffer[0] == 0xE8)
{
FoundElev8 = true;
commStat = CommStatus.Connected;
break;
}
}
}
if(FoundElev8)
{
break;
}
else
{
ftdi.Close();
}
}
}
}
catch(Exception) {
return;
}
Active = true;
if( ftdi.IsOpen ) {
currentMode = (Mode)(tcMainTabs.SelectedIndex + 1);
txBuffer[0] = (byte)currentMode;
uint written = 0;
ftdi.Write( txBuffer, 1, ref written ); // Which mode are we in?
}
// Start my 'tick timer' - It's set to tick every 20 milliseconds
// (used to check the comm port periodically instead of using a thread)
//tickTimer.Start();
}
