Update UC3 platform driver support to use the bitmasks defined in the header files...
[pub/USBasp.git] / Demos / Device / LowLevel / VirtualSerial / VirtualSerial.c
index 9189ef3..f4d3d4d 100644 (file)
@@ -1,21 +1,21 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
-              
+     Copyright (C) Dean Camera, 2011.
+
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
-  Permission to use, copy, modify, distribute, and sell this 
+  Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
-  without fee, provided that the above copyright notice appear in 
+  without fee, provided that the above copyright notice appear in
   all copies and that both that the copyright notice and this
-  permission notice and warranty disclaimer appear in supporting 
-  documentation, and that the name of the author not be used in 
-  advertising or publicity pertaining to distribution of the 
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this
  *  It is possible to completely ignore these value or use other settings as the host is completely unaware of the physical
  *  serial link characteristics and instead sends and receives data in endpoint streams.
  */
-CDC_Line_Coding_t LineEncoding = { .BaudRateBPS = 0,
-                                   .CharFormat  = OneStopBit,
-                                   .ParityType  = Parity_None,
-                                   .DataBits    = 8            };
+static CDC_LineEncoding_t LineEncoding = { .BaudRateBPS = 0,
+                                           .CharFormat  = CDC_LINEENCODING_OneStopBit,
+                                           .ParityType  = CDC_PARITY_None,
+                                           .DataBits    = 8                            };
+
 
 /** Main program entry point. This routine contains the overall program flow, including initial
  *  setup of all components and the main program loop.
@@ -55,7 +56,7 @@ CDC_Line_Coding_t LineEncoding = { .BaudRateBPS = 0,
 int main(void)
 {
        SetupHardware();
-       
+
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
        sei();
 
@@ -119,41 +120,41 @@ void EVENT_USB_Device_ConfigurationChanged(void)
        LineEncoding.BaudRateBPS = 0;
 
        /* Indicate endpoint configuration success or failure */
-       LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); 
+       LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
 }
 
-/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
- *  control requests that are not handled internally by the USB library (including the CDC control commands,
- *  which are all issued via the control endpoint), so that they can be handled appropriately for the application.
+/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
+ *  the device from the USB host before passing along unhandled control requests to the library for processing
+ *  internally.
  */
-void EVENT_USB_Device_UnhandledControlRequest(void)
+void EVENT_USB_Device_ControlRequest(void)
 {
        /* Process CDC specific control requests */
        switch (USB_ControlRequest.bRequest)
        {
-               case REQ_GetLineEncoding:
+               case CDC_REQ_GetLineEncoding:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
-                       {       
+                       {
                                Endpoint_ClearSETUP();
 
                                /* Write the line coding data to the control endpoint */
-                               Endpoint_Write_Control_Stream_LE(&LineEncoding, sizeof(CDC_Line_Coding_t));
+                               Endpoint_Write_Control_Stream_LE(&LineEncoding, sizeof(CDC_LineEncoding_t));
                                Endpoint_ClearOUT();
                        }
-                       
+
                        break;
-               case REQ_SetLineEncoding:
+               case CDC_REQ_SetLineEncoding:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
                        {
                                Endpoint_ClearSETUP();
 
                                /* Read the line coding data in from the host into the global struct */
-                               Endpoint_Read_Control_Stream_LE(&LineEncoding, sizeof(CDC_Line_Coding_t));
+                               Endpoint_Read_Control_Stream_LE(&LineEncoding, sizeof(CDC_LineEncoding_t));
                                Endpoint_ClearIN();
                        }
-       
+
                        break;
-               case REQ_SetControlLineState:
+               case CDC_REQ_SetControlLineState:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
                        {
                                Endpoint_ClearSETUP();
@@ -164,7 +165,7 @@ void EVENT_USB_Device_UnhandledControlRequest(void)
                                                 CONTROL_LINE_OUT_* masks to determine the RTS and DTR line states using the following code:
                                */
                        }
-       
+
                        break;
        }
 }
@@ -175,33 +176,10 @@ void CDC_Task(void)
        char*       ReportString    = NULL;
        uint8_t     JoyStatus_LCL   = Joystick_GetStatus();
        static bool ActionSent      = false;
-       
+
        /* Device must be connected and configured for the task to run */
        if (USB_DeviceState != DEVICE_STATE_Configured)
          return;
-         
-#if 0
-       /* NOTE: Here you can use the notification endpoint to send back line state changes to the host, for the special RS-232
-        *       handshake signal lines (and some error states), via the CONTROL_LINE_IN_* masks and the following code:
-        */
-       USB_Notification_Header_t Notification = (USB_Notification_Header_t)
-               {
-                       .NotificationType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
-                       .Notification     = NOTIF_SerialState,
-                       .wValue           = 0,
-                       .wIndex           = 0,
-                       .wLength          = sizeof(uint16_t),
-               };
-               
-       uint16_t LineStateMask;
-       
-       // Set LineStateMask here to a mask of CONTROL_LINE_IN_* masks to set the input handshake line states to send to the host
-       
-       Endpoint_SelectEndpoint(CDC_NOTIFICATION_EPNUM);
-       Endpoint_Write_Stream_LE(&Notification, sizeof(Notification));
-       Endpoint_Write_Stream_LE(&LineStateMask, sizeof(LineStateMask));
-       Endpoint_ClearIN();
-#endif
 
        /* Determine if a joystick action has occurred */
        if (JoyStatus_LCL & JOY_UP)
@@ -226,21 +204,21 @@ void CDC_Task(void)
                Endpoint_SelectEndpoint(CDC_TX_EPNUM);
 
                /* Write the String to the Endpoint */
-               Endpoint_Write_Stream_LE(ReportString, strlen(ReportString));
-               
+               Endpoint_Write_Stream_LE(ReportString, strlen(ReportString), NULL);
+
                /* Remember if the packet to send completely fills the endpoint */
                bool IsFull = (Endpoint_BytesInEndpoint() == CDC_TXRX_EPSIZE);
 
                /* Finalize the stream transfer to send the last packet */
                Endpoint_ClearIN();
 
-               /* If the last packet filled the endpoint, send an empty packet to release the buffer on 
+               /* If the last packet filled the endpoint, send an empty packet to release the buffer on
                 * the receiver (otherwise all data will be cached until a non-full packet is received) */
                if (IsFull)
                {
                        /* Wait until the endpoint is ready for another packet */
                        Endpoint_WaitUntilReady();
-                       
+
                        /* Send an empty packet to ensure that the host does not buffer data sent to it */
                        Endpoint_ClearIN();
                }
@@ -248,8 +226,9 @@ void CDC_Task(void)
 
        /* Select the Serial Rx Endpoint */
        Endpoint_SelectEndpoint(CDC_RX_EPNUM);
-       
+
        /* Throw away any received data from the host */
        if (Endpoint_IsOUTReceived())
          Endpoint_ClearOUT();
 }
+