.NET Micro Framework で STM32F4 Discovery ボードの USB ポートを使用するサンプルが見つかりません。USBポートを使用してデータを送信または書き込みする方法を学ぼうとしています。そのような例はどこにありますか?
https://guruce.com/blogpost/communicating-with-your-microframework-application-over-usbに基づいてサンプル アプリケーションを作成しようとしましたが、うまくいきません。
これは私のコードサンプルの一部です:
using Microsoft.SPOT;
using Microsoft.SPOT.Hardware;
using Microsoft.SPOT.Hardware.UsbClient;
using System;
using System.Text;
using System.Threading;
namespace MFConsoleApplication1
{
public class Program
{
private const int WRITE_EP = 1;
private const int READ_EP = 2;
private static bool ConfigureUSBController(UsbController usbController)
{
bool bRet = false;
// Create the device descriptor
Configuration.DeviceDescriptor device = new Configuration.DeviceDescriptor(0xDEAD, 0x0001, 0x0100);
device.bcdUSB = 0x110;
device.bDeviceClass = 0xFF; // Vendor defined class
device.bDeviceSubClass = 0xFF; // Vendor defined subclass
device.bDeviceProtocol = 0;
device.bMaxPacketSize0 = 8; // Maximum packet size of EP0
device.iManufacturer = 1; // String #1 is manufacturer name (see string descriptors below)
device.iProduct = 2; // String #2 is product name
device.iSerialNumber = 3; // String #3 is the serial number
// Create the endpoints
Configuration.Endpoint writeEP = new Configuration.Endpoint(WRITE_EP, Configuration.Endpoint.ATTRIB_Bulk | Configuration.Endpoint.ATTRIB_Write);
writeEP.wMaxPacketSize = 64;
writeEP.bInterval = 0;
Configuration.Endpoint readEP = new Configuration.Endpoint(READ_EP, Configuration.Endpoint.ATTRIB_Bulk | Configuration.Endpoint.ATTRIB_Read);
readEP.wMaxPacketSize = 64;
readEP.bInterval = 0;
Configuration.Endpoint[] usbEndpoints = new Configuration.Endpoint[] { writeEP, readEP };
// Set up the USB interface
Configuration.UsbInterface usbInterface = new Configuration.UsbInterface(0, usbEndpoints);
usbInterface.bInterfaceClass = 0xFF; // Vendor defined class
usbInterface.bInterfaceSubClass = 0xFF; // Vendor defined subclass
usbInterface.bInterfaceProtocol = 0;
// Create array of USB interfaces
Configuration.UsbInterface[] usbInterfaces = new Configuration.UsbInterface[] { usbInterface };
// Create configuration descriptor
Configuration.ConfigurationDescriptor config = new Configuration.ConfigurationDescriptor(500, usbInterfaces);
// Create the string descriptors
Configuration.StringDescriptor manufacturerName = new Configuration.StringDescriptor(1, Consts.MANUFACTURER);
Configuration.StringDescriptor productName = new Configuration.StringDescriptor(2, Consts.PRODUCT_NAME);
Configuration.StringDescriptor serialNumber = new Configuration.StringDescriptor(3, Consts.SERIAL_NO);
Configuration.StringDescriptor displayName = new Configuration.StringDescriptor(4, Consts.DISPLAYED_NAME);
Configuration.StringDescriptor friendlyName = new Configuration.StringDescriptor(5, Consts.FRENDLY_NAME);
// Create the final configuration
Configuration configuration = new Configuration();
configuration.descriptors = new Configuration.Descriptor[]
{
device,
config,
manufacturerName,
productName,
serialNumber,
displayName,
friendlyName
};
try
{
// Set the configuration
usbController.Configuration = configuration;
if (UsbController.ConfigError.ConfigOK != usbController.ConfigurationError)
throw new ArgumentException();
// If all ok, start the USB controller.
bRet = usbController.Start();
}
catch (ArgumentException)
{
Debug.Print(Consts.CONFIG_ERR + usbController.ConfigurationError.ToString());
}
return bRet;
}
private static string GetCommand(byte[] data)
{
return new string(Encoding.UTF8.GetChars(data));
}
private static byte[] GetDataToSend(Reading data, JsonSerializer serializer)
{
return Encoding.UTF8.GetBytes(serializer.Serialize(data));
}
private static void UsbMainLoop(UsbStream usbStream, AnalogInput supplyInput, AnalogInput dataInput, OutputPort recievingDataIndicator, OutputPort seindingDataIndicator, JsonSerializer dataSerializer)
{
byte[] readData = new byte[100];
for (;;)
{
recievingDataIndicator.Write(true);
int bytesRead = usbStream.Read(readData, 0, readData.Length);
recievingDataIndicator.Write(false);
if (bytesRead > 0)
{
string command = GetCommand(readData);
switch (command)
{
case "READ":
seindingDataIndicator.Write(true);
byte[] dataToSend = GetDataToSend(Reading.GetReading(supplyInput, dataInput), dataSerializer);
usbStream.Write(dataToSend, 0, dataToSend.Length);
seindingDataIndicator.Write(false);
break;
}
}
}
}
private static UsbController CheckSupportAndAccessibility(UsbController[] usbControllers, out string message)
{
UsbController usbController = null;
if (0 == usbControllers.Length)
{
message = Consts.USB_NOT_SUPPORTED;
}
else
{
bool foundedFreeUsb = false;
foreach (UsbController controller in usbControllers)
{
if (UsbController.PortState.Stopped == controller.Status)
{
usbController = controller;
foundedFreeUsb = true;
break;
}
}
if (foundedFreeUsb)
{
message = string.Empty;
}
else
{
message = Consts.NO_FREE_USB;
}
}
return usbController;
}
private static void OtherMainProgramLoop()
{
AnalogInput temperature0 = new AnalogInput(Cpu.AnalogChannel.ANALOG_0);
AnalogInput supply0 = new AnalogInput(Cpu.AnalogChannel.ANALOG_1);
double t0, r0, z0;
while (true)
{
z0 = supply0.Read() * 3;
r0 = Reading.GetRt(z0, temperature0.Read() * z0);
t0 = Reading.GetTemp(r0);
Debug.Print("Supply:" + z0.ToString() + "[V]");
Debug.Print("Rt:" + r0.ToString() + "[Ohm]");
Debug.Print("Temperature:" + t0.ToString() + "[^C]");
Thread.Sleep(1000);
}
}
public static void Main()
{
UsbController[] controllers = UsbController.GetControllers();
string msg;
UsbController usbController = CheckSupportAndAccessibility(controllers, out msg);
if (null == usbController)
{
Debug.Print(msg);
OtherMainProgramLoop();
//return;
}
else
{
UsbStream usbStream = null;
try
{
if (ConfigureUSBController(usbController))
usbStream = usbController.CreateUsbStream(WRITE_EP, READ_EP);
else
throw new Exception();
}
catch (Exception)
{
Debug.Print(Consts.USB_CREATE_STREAM_ERR + usbController.ConfigurationError.ToString());
OtherMainProgramLoop();
//return;
}
AnalogInput temperatureSource = new AnalogInput(Cpu.AnalogChannel.ANALOG_0);
AnalogInput supplySource = new AnalogInput(Cpu.AnalogChannel.ANALOG_1);
OutputPort ledGreen = new OutputPort((Cpu.Pin)60, false);
OutputPort ledYellow = new OutputPort((Cpu.Pin)61, false);
UsbMainLoop(usbStream, supplySource, temperatureSource, ledYellow, ledGreen, new JsonSerializer());
usbStream.Close();
}
}
}
}
助けてくれてありがとう。