/// <summary>
/// Initializes a new instance of the <see cref="SoftSerialPort"/> class.
/// </summary>
/// <param name="receivePin">The receive pin.</param>
/// <param name="transmitPin">The transmit pin.</param>
/// <param name="baudRate">The baud rate.</param>
/// <param name="dataBits">The data bits.</param>
/// <param name="invert">if set to <c>true</c> [invert].</param>
internal SoftSerialPort(GpioPin receivePin, GpioPin transmitPin, UartRate baudRate, int dataBits, bool invert)
{
BoardException.ValidateResult(
Serial.GpioSerialReadOpen((UserGpio)receivePin.PinNumber, Convert.ToUInt32(baudRate), Convert.ToUInt32(dataBits)));
Handle = (UserGpio)receivePin.PinNumber;
DataBits = dataBits;
BaudRate = (int)baudRate;
if (invert)
{
Serial.GpioSerialReadInvert(Handle, true);
Invert = true;
}
_transmitPin = transmitPin;
}
/// <summary> /// Opens a software (bit-banged) serial port. /// </summary> /// <param name="receivePin">The receive pin.</param> /// <param name="transmitPin">The transmit pin.</param> /// <param name="baudRate">The baud rate.</param> /// <returns>The software serial port</returns> public SoftSerialPort OpenSoftSerialPort(GpioPin receivePin, GpioPin transmitPin, UartRate baudRate) => new SoftSerialPort(receivePin, transmitPin, baudRate, 8, false);
/// <summary> /// Opens a software (bit-banged) serial port. /// </summary> /// <param name="receivePin">The receive pin.</param> /// <param name="transmitPin">The transmit pin.</param> /// <param name="baudRate">The baud rate.</param> /// <param name="dataBits">The data bits.</param> /// <param name="invert">if set to <c>true</c> [invert].</param> /// <returns>The software serial port</returns> public SoftSerialPort OpenSoftSerialPort(GpioPin receivePin, GpioPin transmitPin, UartRate baudRate, int dataBits, bool invert) => new SoftSerialPort(receivePin, transmitPin, baudRate, dataBits, invert);
/// <summary> /// Opens the specified UART port. /// </summary> /// <param name="portName">Name of the port.</param> /// <param name="baudRate">The baud rate.</param> /// <returns>The UART port object</returns> public UartPort OpenUartPort(string portName, UartRate baudRate) => new UartPort(portName, baudRate);
/// <summary>
/// This function opens a serial device at a specified baud rate
/// and with specified flags. The device name must start with
/// /dev/tty or /dev/serial.
///
/// The baud rate must be one of 50, 75, 110, 134, 150,
/// 200, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200,
/// 38400, 57600, 115200, or 230400.
///
/// No flags are currently defined. This parameter should be set to zero.
/// </summary>
/// <param name="sertty">the serial device to open</param>
/// <param name="baud">the baud rate in bits per second, see below</param>
/// <returns>Returns a handle (>=0) if OK, otherwise PI_NO_HANDLE, or PI_SER_OPEN_FAILED.</returns>
public static UIntPtr SerOpen(string sertty, UartRate baud)
{
var result = BoardException.ValidateResult(SerOpenUnmanaged(sertty, (uint)baud, 0));
return(new UIntPtr((uint)result));
}
/// <summary>
/// Initializes a new instance of the <see cref="UartPort"/> class.
/// </summary>
/// <param name="portName">Name of the port.</param>
/// <param name="baudRate">The baud rate.</param>
internal UartPort(string portName, UartRate baudRate)
{
Handle = Uart.SerOpen(portName, baudRate);
BaudRate = (int)baudRate;
PortName = portName;
}
