Minor documentation adjustments to the demos, projects and bootloaders to ensure...
[pub/USBasp.git] / Demos / Device / ClassDriver / VirtualSerial / VirtualSerial.c
index d76f8cf..8b11c29 100644 (file)
@@ -1,21 +1,21 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
-              
+     Copyright (C) Dean Camera, 2012.
+
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  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
@@ -33,7 +33,7 @@
  *  Main source file for the VirtualSerial demo. This file contains the main tasks of
  *  the demo and is responsible for the initial application hardware configuration.
  */
+
 #include "VirtualSerial.h"
 
 /** LUFA CDC Class driver interface configuration and state information. This structure is
@@ -44,19 +44,25 @@ USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
        {
                .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,
+                               .ControlInterfaceNumber   = 0,
+                               .DataINEndpoint           =
+                                       {
+                                               .Address          = CDC_TX_EPADDR,
+                                               .Size             = CDC_TXRX_EPSIZE,
+                                               .Banks            = 1,
+                                       },
+                               .DataOUTEndpoint =
+                                       {
+                                               .Address          = CDC_RX_EPADDR,
+                                               .Size             = CDC_TXRX_EPSIZE,
+                                               .Banks            = 1,
+                                       },
+                               .NotificationEndpoint =
+                                       {
+                                               .Address          = CDC_NOTIFICATION_EPADDR,
+                                               .Size             = CDC_NOTIFICATION_EPSIZE,
+                                               .Banks            = 1,
+                                       },
                        },
        };
 
@@ -65,13 +71,14 @@ USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
  */
 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.
  */
 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);
 
@@ -81,10 +88,9 @@ int main(void)
        for (;;)
        {
                CheckJoystickMovement();
-                
+
                /* 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);
+               CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
 
                CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
                USB_USBTask();
@@ -113,7 +119,7 @@ void CheckJoystickMovement(void)
        uint8_t     JoyStatus_LCL = Joystick_GetStatus();
        char*       ReportString  = NULL;
        static bool ActionSent    = false;
-       
+
        if (JoyStatus_LCL & JOY_UP)
          ReportString = "Joystick Up\r\n";
        else if (JoyStatus_LCL & JOY_DOWN)
@@ -126,7 +132,7 @@ void CheckJoystickMovement(void)
          ReportString = "Joystick Pressed\r\n";
        else
          ActionSent = false;
-         
+
        if ((ReportString != NULL) && (ActionSent == false))
        {
                ActionSent = true;
@@ -135,7 +141,7 @@ void CheckJoystickMovement(void)
                fputs(ReportString, &USBSerialStream);
 
                /* Alternatively, without the stream: */
-               // CDC_Device_SendString(&VirtualSerial_CDC_Interface, ReportString, strlen(ReportString));
+               // CDC_Device_SendString(&VirtualSerial_CDC_Interface, ReportString);
        }
 }
 
@@ -154,14 +160,16 @@ void EVENT_USB_Device_Disconnect(void)
 /** Event handler for the library USB Configuration Changed event. */
 void EVENT_USB_Device_ConfigurationChanged(void)
 {
-       LEDs_SetAllLEDs(LEDMASK_USB_READY);
+       bool ConfigSuccess = true;
+
+       ConfigSuccess &= CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
 
-       if (!(CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface)))
-         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+       LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
 }
 
-/** Event handler for the library USB Unhandled Control Request event. */
-void EVENT_USB_Device_UnhandledControlRequest(void)
+/** Event handler for the library USB Control Request reception event. */
+void EVENT_USB_Device_ControlRequest(void)
 {
        CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
 }
+