private Result SendCommand(string expectedResponse, string command, TimeSpan timeout)
{
if ((expectedResponse == null) || (expectedResponse == string.Empty))
{
throw new ArgumentException($"expectedResponse invalid length cannot be empty", "expectedResponse");
}
if ((command == null) || (command == string.Empty))
{
throw new ArgumentException($"command invalid length cannot be empty", "command");
}
if ((timeout < SendTimeoutMinimum) || (timeout > SendTimeoutMaximum))
{
throw new ArgumentException($"timeout invalid must be greater than or equal to {SendTimeoutMinimum.TotalSeconds} seconds and less than or equal to {SendTimeoutMaximum.TotalSeconds} seconds", "timeout");
}
this.atCommandExpectedResponse = expectedResponse;
serialDevice.Write(UTF8Encoding.UTF8.GetBytes(command + EndOfLineMarker));
this.atExpectedEvent.Reset();
if (!this.atExpectedEvent.WaitOne((int)timeout.TotalMilliseconds, false))
{
return(Result.ATResponseTimeout);
}
this.atCommandExpectedResponse = string.Empty;
return(result);
}
private static void Btn1_ValueChanged(GpioPin sender, GpioPinValueChangedEventArgs e)
{
if (e.Edge == GpioPinEdge.FallingEdge)
{
serial.Write(Encoding.UTF8.GetBytes("Hi " + count++ + Environment.NewLine));
}
}
private Result SendCommand(string expectedResponse, string command, TimeSpan timeout)
{
Debug.Assert(expectedResponse != null);
Debug.Assert(command != null);
if (string.IsNullOrEmpty(expectedResponse))
{
throw new ArgumentException($"expectedResponse invalid length cannot be empty", "expectedResponse");
}
if (string.IsNullOrEmpty(command))
{
throw new ArgumentException($"command invalid length cannot be empty", "command");
}
this.atCommandExpectedResponse = expectedResponse;
serialDevice.Write(UTF8Encoding.UTF8.GetBytes(command + EndOfLineMarker));
this.atExpectedEvent.Reset();
if (!this.atExpectedEvent.WaitOne((int)timeout.TotalMilliseconds, false))
{
return(Result.ATCommandResponseTimeout);
}
this.atCommandExpectedResponse = string.Empty;
return(result);
}
static void Main()
{
RtcController rtc = RtcController.GetDefault();
try
{
var t = rtc.GetTime();
if (t.Year == 1980)
{
rtc.SetTime(RtcDateTime.FromDateTime(new DateTime(2018, 10, 12, 17, 51, 00)));
}
}
catch (Exception)
{
rtc.SetTime(RtcDateTime.FromDateTime(new DateTime(2018, 10, 11, 11, 51, 00)));
}
//string COM = "GHIElectronics.TinyCLR.NativeApis.STM32F7.UartController\\2";
UartController ser = UartController.FromName(STM32F7.UartPort.Usart1); // DISCO-F769
//UartController ser = UartController.FromName(STM32F7.UartPort.Usart3); // NUCLEO-F767
ser.SetActiveSettings(38400, 8, UartParity.None, UartStopBitCount.One, UartHandshake.None);
Debug.WriteLine("Starting Program ....");
BlinkLed blink = new BlinkLed(STM32F7.GpioPin.PJ5, 500); // Disco 769
//BlinkLed blink = new BlinkLed(STM32F7.GpioPin.PB7, 500); // Nucleo 144 - F767
Thread run = new Thread(blink.Blink);
run.Start();
var r = new HeapAllocTest(10);
r.Allocate();
//var d = new DisplayTest();
string sallocated = "";
//Debug.WriteLine("Allocated TOTAL Memory:" + GC.GetTotalMemory(false).ToString() + " bytes!");
//d.DrawSomething("Test String...", 50,50);
int x = 10, y = 10;
//SDTest sd = new SDTest();
sallocated = "Memory:" + GC.GetTotalMemory(true).ToString() + " bytes!";
while (true)
{
x += 2;
y += 2;
if (x > (800 - 160) || y > 480 - 160)
{
x = 10;
y = 10;
GC.Collect();
}
Thread.Sleep(1000);
//d.DrawSomething(sallocated, x, y);
var dt = rtc.Now;
byte[] b = System.Text.Encoding.UTF8.GetBytes("Program Running !! .." + dt.ToString("dd/MM/yyyy HH:mm:ss") + "\r\n");
ser.Write(b);
ser.Flush();
}
}
/// <summary>
/// Write the buffer of data to the COM port (i.e. the display).
/// </summary>
/// <param name="buffer">Bytes of data to be sent to the display.</param>
private void Send(byte[] buffer)
{
// critical section so we don't have mixed messages
lock (_lock)
{
comPort.Write(buffer, 0, buffer.Length);
}
}
public void Write(byte[] payload)
{
if (_enableVerboseOutput)
{
Dump("SEND:", payload);
}
_port.Write(payload, 0, payload.Length);
}
public static void Main()
{
Debug.WriteLine("devMobile.IoT.Rak811.ShieldSerial starting");
try
{
serialDevice = UartController.FromName(SerialPortId);
serialDevice.SetActiveSettings(new UartSetting()
{
BaudRate = 9600,
Parity = UartParity.None,
StopBits = UartStopBitCount.One,
Handshaking = UartHandshake.None,
DataBits = 8
});
serialDevice.Enable();
#if SERIAL_ASYNC_READ
serialDevice.DataReceived += SerialDevice_DataReceived;
#endif
while (true)
{
byte[] txBuffer = UTF8Encoding.UTF8.GetBytes(ATCommand);
int txByteCount = serialDevice.Write(txBuffer);
Debug.WriteLine($"TX: {txByteCount} bytes");
#if SERIAL_SYNC_READ
while (serialDevice.BytesToWrite > 0)
{
Debug.WriteLine($" BytesToWrite {serialDevice.BytesToWrite}");
Thread.Sleep(100);
}
int rxByteCount = serialDevice.BytesToRead;
if (rxByteCount > 0)
{
byte[] rxBuffer = new byte[rxByteCount];
serialDevice.Read(rxBuffer);
Debug.WriteLine($"RX sync:{rxByteCount} bytes read");
String response = UTF8Encoding.UTF8.GetString(rxBuffer);
Debug.WriteLine($"RX sync:{response}");
}
#endif
Thread.Sleep(20000);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
/// <summary>
/// Sets the cursor at specified coordinates
/// </summary>
/// <param name="x">The column (1 to 20)</param>
/// <param name="y">The line (1 to 4)</param>
/// <example>
/// <code language="C#">
/// // Sets the cursor position on column 10 of line 2
/// _lcd.Cursor(10,2);
/// </code>
/// </example>
public void SetCursor(Byte x, Byte y)
{
if (x <= 0 || x > 20 || y <= 0 || y > 4)
{
return;
}
if (_isUart)
{
_lcdSerial.Write(new Byte[] { 3, y, x });
}
else
{
lock (Hardware.LockI2C)
{
_lcdI2C.Write(new Byte[] { 0, 3, y, x });
}
}
}
protected void SendCommandToCamera(Command command, byte[] args)
{
var commandIndex = 0;
_command[commandIndex++] = CommandSend;
_command[commandIndex++] = CameraSerial;
_command[commandIndex++] = (byte)command;
var argsLength = 0;
if (args != null)
{
argsLength = args.Length;
_command[commandIndex++] = (byte)argsLength;
Array.Copy(args, 0, _command, commandIndex, argsLength);
}
else
{
_command[commandIndex++] = 0;
}
_serialPort.Write(_command, 0, argsLength + 4);
}
/// <summary>Sends a command to the GNSS 4 module.</summary>
/// <param name="cmd">The command, without both the starting '$' and the ending '*'.</param>
public void SendCommand(String cmd)
{
_gnss.Write(Encoding.UTF8.GetBytes($"${cmd}*{CalculateChecksum(cmd):X2}\r\n"));
_gnss.Flush();
}
/// <summary>
/// Sends data to the FTDI chip.
/// </summary>
/// <param name="data">Array of bytes containing data to send</param>
/// <example>
/// <code language="C#">
/// public static void Main()
/// {
/// try
/// {
/// _ftdi = new FTDIClick(Hardware.SocketOne);
///
/// _ftdi.SendData(Encoding.UTF8.GetBytes("Hello world !"));
/// }
/// catch (PinInUseException)
/// {
/// Debug.Print("Error accessing the FTDI Click board");
/// }
///
/// Thread.Sleep(Timeout.Infinite);
/// }
/// </code>
/// </example>
public void SendData(Byte[] data) => _sp.Write(data, 0, data.Length);
/// <summary>
/// Send a <see cref="System.String"/> of data to the USB client connected to the USBUART click.
/// </summary>
/// <param name="data">String data to send.</param>
/// <example>
/// <code language = "C#">
/// _usbUart.SendData("Received your message - " + message);
/// </code>
/// <code language = "VB">
/// _usbUart.SendData("Received your message - " <![CDATA[&]]> message)
/// </code>
/// </example>
public void SendData(String data) => _serial.Write(Encoding.UTF8.GetBytes(data));
/// <summary>Sends a command to the GNSS 4 module.</summary>
/// <param name="cmd">The command, with both the starting '$' and the ending '*'.</param>
public void SendCommand(String cmd)
{
_gnss.Write(Encoding.UTF8.GetBytes($"{cmd}{NMEAParser.CalculateChecksum(Encoding.UTF8.GetBytes(cmd)):X2}\r\n"));
_gnss.Flush();
}
/// <summary>
/// Writes the specified string to the serial port.
/// </summary>
/// <param name="txt" />
internal void Write(String txt)
{
_serial.Write(Encoding.UTF8.GetBytes(txt), 0, txt.Length);
}
