/// <summary>
/// Tests suffix/terminator delimited message reception.
/// </summary>
protected void TestSuffixDelimiter()
{
// TEST PARAM
// whether or not to return the message with the tokens in it
bool preseveDelimiter = true;
// instantiate our serial port
this.serialPort = Device.CreateSerialMessagePort(
serialPortName, delimiterBytes, preseveDelimiter, baudRate: 115200);
Console.WriteLine("\tCreated");
// open the serial port
this.serialPort.Open();
Console.WriteLine("\tOpened");
// wire up message received handler
this.serialPort.MessageReceived += SerialPort_MessageReceived;
// write to the port.
while (true)
{
foreach (var sentence in BuildVariableLengthTestSentences())
{
//var dataToWrite = Encoding.ASCII.GetBytes($"{sentence}{DelimiterToken}");
var dataToWrite = Encoding.ASCII.GetBytes($"{sentence}").Concat(delimiterBytes).ToArray();
//var dataToWrite = Encoding.ASCII.GetBytes($"{sentence}") + delimiter;
var written = this.serialPort.Write(dataToWrite);
Console.WriteLine($"\nWrote {written} bytes");
// sleep
Thread.Sleep(2000);
}
}
}
/// <summary>
/// Test for https://github.com/WildernessLabs/Meadow_Issues/issues/102
/// </summary>
protected void TestSuffixDelimeterAndBufferLengthForNulls()
{
// instantiate our serial port
this.serialPort = Device.CreateSerialMessagePort(
serialPortName, Encoding.UTF8.GetBytes("\r\n"), false, baudRate: 115200);
Console.WriteLine("\tCreated");
// open the serial port
this.serialPort.Open();
Console.WriteLine("\tOpened");
// wire up message received handler
this.serialPort.MessageReceived += (object sender, SerialMessageData e) => {
Console.WriteLine($"Message Lenght: {e.Message.Length}");
if (e.Message.Length == 11)
{
Console.WriteLine("Things are groovy.");
}
else
{
Console.WriteLine("Things are not so groovy.");
}
};
var dataToWrite = Encoding.ASCII.GetBytes($"TestMessage\r\n");
var written = this.serialPort.Write(dataToWrite);
Console.WriteLine($"\nWrote {written} bytes");
}
void Initialize()
{
Console.WriteLine("Initialize hardware...");
display = new Ssd1309(Device.CreateI2cBus());
Console.WriteLine("Display created");
graphics = new GraphicsLibrary(display);
graphics.CurrentFont = new Font8x8();
Console.WriteLine("Graphics library created");
//COM4 - Pins D00 & D01 on the Meadow F7
port = Device.CreateSerialMessagePort(
Device.SerialPortNames.Com4,
suffixDelimiter: Encoding.ASCII.GetBytes("\r\n"),
preserveDelimiter: true,
9600);
Console.WriteLine("Serial port created");
port.MessageReceived += (object sender, SerialMessageData e) => {
nmea.ProcessNmeaMessage(e.GetMessageString(Encoding.ASCII));
};
nmea = new NmeaSentenceProcessor();
var ggaParser = new GgaDecoder();
ggaParser.PositionReceived += GgaParser_OnPositionReceived;
nmea.RegisterDecoder(ggaParser);
// open serial
port.Open();
}
protected void TestDoubleMessageWithSuffix()
{
// TEST PARAM
// whether or not to return the message with the tokens in it
bool preseveDelimiter = false;
// instantiate our serial port
this.serialPort = Device.CreateSerialMessagePort(
serialPortName, delimiterBytes, preseveDelimiter, baudRate: 115200);
Console.WriteLine("\tCreated");
// open the serial port
this.serialPort.Open();
Console.WriteLine("\tOpened");
// wire up message received handler
this.serialPort.MessageReceived += SerialPort_MessageReceived;
var dataToWrite = Encoding.ASCII.GetBytes($"{GetDoubleInOne()}").Concat(delimiterBytes).ToArray();
var written = this.serialPort.Write(dataToWrite);
Console.WriteLine($"\nWrote {written} bytes");
// sleep
Thread.Sleep(2000);
}
// TODO: if we want to make this public then we're going to have to add
// a bunch of checks around baud rate, 8n1, etc.
protected Mt3339(ISerialMessagePort serialPort)
{
this.serialPort = serialPort;
this.serialPort.MessageReceived += SerialPort_MessageReceived;
Init();
}
/// <summary>
/// Main constructor
/// </summary>
/// <param name="p">Serial port to use for communication</param>
public ComCommunication(ISerialMessagePort p)
{
locker = new object();
port = p;
port.Open();
port.MessageReceived += Port_MessageReceived;
SendMessage("Waiting for connection...");
}
void Initialize()
{
ISerialMessagePort serial = Device.CreateSerialMessagePort(
Device.SerialPortNames.Com4,
suffixDelimiter: Encoding.ASCII.GetBytes("\r\n"),
preserveDelimiter: true,
baudRate: 9600);
gps = new GPSWing(serial);
}
void Initialize()
{
uptime = new Stopwatch();
uptime.Start();
serialPort = Device.CreateSerialMessagePort(
Device.SerialPortNames.Com4,
suffixDelimiter: Encoding.UTF8.GetBytes("\r\n"),
preserveDelimiter: true);
serialPort.MessageReceived += SerialPort_MessageReceived;
InitDecoders();
heartbeatLed = new RgbPwmLed(
Device, Device.Pins.OnboardLedRed, Device.Pins.OnboardLedGreen,
Device.Pins.OnboardLedBlue,
commonType: Meadow.Peripherals.Leds.IRgbLed.CommonType.CommonAnode);
}
void Initialize()
{
Console.WriteLine("Initialize hardware...");
onboardLed = new RgbPwmLed(device: Device,
redPwmPin: Device.Pins.OnboardLedRed,
greenPwmPin: Device.Pins.OnboardLedGreen,
bluePwmPin: Device.Pins.OnboardLedBlue,
3.3f, 3.3f, 3.3f,
Meadow.Peripherals.Leds.IRgbLed.CommonType.CommonAnode);
bus = Device.CreateI2cBus();
display = new CharacterDisplay(bus, 39, 2, 16);
port = Device.CreateSerialMessagePort(Device.SerialPortNames.Com4, suffixDelimiter: new byte[] { 10 }, preserveDelimiter: true, 921600, 8, Parity.None, StopBits.One);
port.Open();
port.MessageReceived += Port_MessageReceived;
}
public MeadowApp()
{
//this.commandButton = new PushButton(Device, Device.Pins.D10, debounceDuration: 50);
//this.commandButton.Clicked += this.CommandButton_Button_Clicked;
////this.commandButton.PressEnded += CommandButton_PressEnded;
//this.debounceTimer.Elapsed += DebounceTimer_Elapsed;
var motorLeft = new HBridgeMotor
(
a1Pin: Device.CreatePwmPort(Device.Pins.D05),
a2Pin: Device.CreatePwmPort(Device.Pins.D06),
enablePin: Device.CreateDigitalOutputPort(Device.Pins.D07)
);
var motorRight = new HBridgeMotor
(
a1Pin: Device.CreatePwmPort(Device.Pins.D02),
a2Pin: Device.CreatePwmPort(Device.Pins.D03),
enablePin: Device.CreateDigitalOutputPort(Device.Pins.D04)
);
carController = new CarController(motorLeft, motorRight);
this.commands[0] = this.Back;
this.commands[1] = this.Right;
this.commands[2] = this.Forward;
this.commands[3] = this.Left;
this.commands[4] = this.Stop;
this.serialPort = Device.CreateSerialMessagePort(Device.SerialPortNames.Com1, suffixDelimiter: Encoding.UTF8.GetBytes("\r\n"), preserveDelimiter: true, baudRate: 115200);
this.serialPort.Open();
this.serialPort.MessageReceived += SerialPort_MessageReceived;
//Console.WriteLine("Serial port " + this.serialPort.PortName + " is " + (this.serialPort.IsOpen ? "open" : "closed"));
this.serialPort.Write(Encoding.UTF8.GetBytes("serial port is open\r\n"));
this.UpdateOnboardLed("red");
Thread.Sleep(Timeout.Infinite);
}
/// <summary>
/// Create an IDxxLA RFID reader using an existing port.
/// </summary>
/// <param name="serialPort"></param>
/// <remarks>
/// Be sure to use suitable settings when creating the serial port.
/// Default <see cref="BaudRate" /> and <see cref="DataBits" /> are exposed as constants.
/// </remarks>
public IDxxLA(ISerialMessagePort serialPort)
{
SerialPort = serialPort;
SerialPort.MessageReceived += SerialPort_MessageReceived;
}
public HC12Communication(ISerialMessagePort p) : base(p)
{
communicationType = Type.RF;
}
public GPSWing(ISerialMessagePort serialMessagePort)
: base(serialMessagePort)
{
}
