static bool ConnectPort(string[] args)
{
//Connect to the right UART port (may be USB in Windows/Unix/Mac or a Raspberry Mainboard)
if (g_bIoTBoard)
{
//Define pins to control baudrate (GPIO2 on Pin21) and force a HW reset of the MWSUB3G (Pin12)
OutputPinConfiguration pinGPIO2 = ConnectorPin.P1Pin21.Output();
m_pinConnection = new GpioConnection(pinGPIO2);
OutputPinConfiguration pinRESET = ConnectorPin.P1Pin12.Output();
m_pinConnection.Add(pinRESET);
//Reset sequence
m_pinConnection[pinRESET] = false;
Thread.Sleep(100);
m_pinConnection[pinGPIO2] = true; //true for 500Kbps, change to false for 2400bps low speed
m_pinConnection[pinRESET] = true;
Thread.Sleep(2500); //wait for initialization firmware code to finish startup
//Open COM port from Raspberry mainboard
string sCOMPort = "/dev/ttyAMA0";
g_objRFE.ConnectPort(sCOMPort, g_nBaudrate, true);
Console.WriteLine("Connected to port " + sCOMPort);
}
else if (args.Contains("/p:AUTO", StringComparer.Ordinal))
{
//This is any non-IoT platform with a single device connected to USB
if (g_objRFE.GetConnectedPorts())
{
if (g_objRFE.ValidCP2101Ports.Length == 1)
{
bool bForceBaudrate = (RFECommunicator.IsRaspberry() && g_nBaudrate > 115200);
g_objRFE.ConnectPort(g_objRFE.ValidCP2101Ports[0], g_nBaudrate, RFECommunicator.IsUnixLike() && !RFECommunicator.IsMacOS(), bForceBaudrate);
}
}
if (g_objRFE.PortConnected)
{
Console.WriteLine("Connected to port " + g_objRFE.ValidCP2101Ports[0]);
}
else
{
Console.WriteLine("ERROR: no port available, please review your connection");
return(false);
}
}
else
{
//Use specified port from command line
int nPos = Array.FindIndex(args, x => x.StartsWith("/p:"));
if (nPos >= 0)
{
string sCOMPort = args[nPos].Replace("/p:", "");
Console.WriteLine("Trying manual port: " + sCOMPort);
g_objRFE.ConnectPort(sCOMPort, g_nBaudrate, RFECommunicator.IsUnixLike() && !RFECommunicator.IsMacOS());
Console.WriteLine("Connected to port " + sCOMPort);
}
}
return(g_objRFE.PortConnected);
}
static bool IsIOT(string[] args)
{
if (args.Contains("/IOT", StringComparer.Ordinal))
{
//This is a Raspberry Pi with a RF Explorer IoT Hat
g_bIoTBoard = (RFECommunicator.IsRaspberry());
Console.WriteLine("Working in IoT - Raspberry Pi mode");
if (!g_bIoTBoard)
{
Console.WriteLine("ERROR: Unrecognized Raspberry Pi platform");
return(false);
}
return(true);
}
return(false);
}