X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b9b03aadb219d06fbad9d110e508db93e45461af..8c6c27d88bb40ecf55f369fc4499ec990d2d93d2:/Demos/Device/ClassDriver/CDC/CDC.c

diff --git a/Demos/Device/ClassDriver/CDC/CDC.c b/Demos/Device/ClassDriver/CDC/CDC.c
index 6f1539334..8940ae042 100644
--- a/Demos/Device/ClassDriver/CDC/CDC.c
+++ b/Demos/Device/ClassDriver/CDC/CDC.c
@@ -40,20 +40,31 @@
  *  passed to all CDC Class driver functions, so that multiple instances of the same class
  *  within a device can be differentiated from one another.
  */
-USB_ClassInfo_CDC_t VirtualSerial_CDC_Interface =
+USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
 	{
-		.ControlInterfaceNumber     = 0,
-
-		.DataINEndpointNumber       = CDC_TX_EPNUM,
-		.DataINEndpointSize         = CDC_TXRX_EPSIZE,
-
-		.DataOUTEndpointNumber      = CDC_RX_EPNUM,
-		.DataOUTEndpointSize        = CDC_TXRX_EPSIZE,
-
-		.NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
-		.NotificationEndpointSize   = CDC_NOTIFICATION_EPSIZE,
+		.Config =
+			{
+				.ControlInterfaceNumber         = 0,
+
+				.DataINEndpointNumber           = CDC_TX_EPNUM,
+				.DataINEndpointSize             = CDC_TXRX_EPSIZE,
+				.DataINEndpointDoubleBank       = false,
+
+				.DataOUTEndpointNumber          = CDC_RX_EPNUM,
+				.DataOUTEndpointSize            = CDC_TXRX_EPSIZE,
+				.DataOUTEndpointDoubleBank      = false,
+
+				.NotificationEndpointNumber     = CDC_NOTIFICATION_EPNUM,
+				.NotificationEndpointSize       = CDC_NOTIFICATION_EPSIZE,
+				.NotificationEndpointDoubleBank = false,
+			},
 	};
 
+/** Standard file stream for the CDC interface when set up, so that the virtual CDC COM port can be
+ *  used like any regular character stream in the C APIs
+ */
+static FILE USBSerialStream;
+
 /** Main program entry point. This routine contains the overall program flow, including initial
  *  setup of all components and the main program loop.
  */
@@ -61,17 +72,20 @@ int main(void)
 {
 	SetupHardware();
 	
+	/* Create a regular character stream for the interface so that it can be used with the stdio.h functions */
+	CDC_Device_CreateStream(&VirtualSerial_CDC_Interface, &USBSerialStream);
+
 	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 
 	for (;;)
 	{
 		CheckJoystickMovement();
-		
-		uint16_t BytesToDiscard = USB_CDC_BytesReceived(&VirtualSerial_CDC_Interface);
-		while (BytesToDiscard--)
-		  USB_CDC_ReceiveByte(&VirtualSerial_CDC_Interface);
+		 
+		/* Must throw away unused bytes from the host, or it will lock up while waiting for the device */
+		while (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface))
+		  CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
 
-		USB_CDC_USBTask(&VirtualSerial_CDC_Interface);
+		CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
 		USB_USBTask();
 	}
 }
@@ -99,59 +113,54 @@ void CheckJoystickMovement(void)
 	char*       ReportString  = NULL;
 	static bool ActionSent    = false;
 	
-	char* JoystickStrings[] =
-		{
-			"Joystick Up\r\n",
-			"Joystick Down\r\n",
-			"Joystick Left\r\n",
-			"Joystick Right\r\n",
-			"Joystick Pressed\r\n",
-		};
-
 	if (JoyStatus_LCL & JOY_UP)
-	  ReportString = JoystickStrings[0];
+	  ReportString = "Joystick Up\r\n";
 	else if (JoyStatus_LCL & JOY_DOWN)
-	  ReportString = JoystickStrings[1];
+	  ReportString = "Joystick Down\r\n";
 	else if (JoyStatus_LCL & JOY_LEFT)
-	  ReportString = JoystickStrings[2];
+	  ReportString = "Joystick Left\r\n";
 	else if (JoyStatus_LCL & JOY_RIGHT)
-	  ReportString = JoystickStrings[3];
+	  ReportString = "Joystick Right\r\n";
 	else if (JoyStatus_LCL & JOY_PRESS)
-	  ReportString = JoystickStrings[4];
+	  ReportString = "Joystick Pressed\r\n";
 	else
 	  ActionSent = false;
 	  
 	if ((ReportString != NULL) && (ActionSent == false))
 	{
 		ActionSent = true;
-		
-		USB_CDC_SendString(&VirtualSerial_CDC_Interface, ReportString, strlen(ReportString));		
+
+		/* Write the string to the virtual COM port via the created character stream */
+		fputs(ReportString, &USBSerialStream);
+
+		/* Alternatively, without the stream: */
+		// CDC_Device_SendString(&VirtualSerial_CDC_Interface, ReportString, strlen(ReportString));
 	}
 }
 
 /** Event handler for the library USB Connection event. */
-void EVENT_USB_Connect(void)
+void EVENT_USB_Device_Connect(void)
 {
 	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 }
 
 /** Event handler for the library USB Disconnection event. */
-void EVENT_USB_Disconnect(void)
+void EVENT_USB_Device_Disconnect(void)
 {
 	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 }
 
 /** Event handler for the library USB Configuration Changed event. */
-void EVENT_USB_ConfigurationChanged(void)
+void EVENT_USB_Device_ConfigurationChanged(void)
 {
 	LEDs_SetAllLEDs(LEDMASK_USB_READY);
 
-	if (!(USB_CDC_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))
+	if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))
 	  LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 }
 
-/** Event handler for the library USB Unhandled Control Packet event. */
-void EVENT_USB_UnhandledControlPacket(void)
+/** Event handler for the library USB Unhandled Control Request event. */
+void EVENT_USB_Device_UnhandledControlRequest(void)
 {
-	USB_CDC_ProcessControlPacket(&VirtualSerial_CDC_Interface);
+	CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
 }