Much more efficient algorithm for the Endpoint/Pipe configuration routine of unordere...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / CDC.c

diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c
index bb41a12..c830718 100644 (file)
--- a/LUFA/Drivers/USB/Class/Device/CDC.c
+++ b/LUFA/Drivers/USB/Class/Device/CDC.c
@@ -1,21 +1,21 @@
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.

-              
+

   dean [at] fourwalledcubicle [dot] com
   dean [at] fourwalledcubicle [dot] com

-      www.fourwalledcubicle.com
+           www.lufa-lib.org

 */
 
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
 */
 
 /*
   Copyright 2010  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
   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
   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
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this


@@ -32,8 +32,8 @@
 #include "../../HighLevel/USBMode.h"
 #if defined(USB_CAN_BE_DEVICE)
 
 #include "../../HighLevel/USBMode.h"
 #if defined(USB_CAN_BE_DEVICE)
 

-#define  __INCLUDE_FROM_CDC_CLASS_DEVICE_C

 #define  __INCLUDE_FROM_CDC_DRIVER
 #define  __INCLUDE_FROM_CDC_DRIVER

+#define  __INCLUDE_FROM_CDC_DEVICE_C

 #include "CDC.h"
 
 void CDC_Device_Event_Stub(void)
 #include "CDC.h"
 
 void CDC_Device_Event_Stub(void)


@@ -45,7 +45,7 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter
 {
        if (!(Endpoint_IsSETUPReceived()))
          return;
 {
        if (!(Endpoint_IsSETUPReceived()))
          return;

-         
+

        if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber)
          return;
 
        if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber)
          return;
 


@@ -58,7 +58,7 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter
                                Endpoint_Write_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));
                                Endpoint_ClearOUT();
                        }
                                Endpoint_Write_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));
                                Endpoint_ClearOUT();
                        }

-                       
+

                        break;
                case CDC_REQ_SetLineEncoding:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
                        break;
                case CDC_REQ_SetLineEncoding:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))


@@ -69,11 +69,11 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter
 
                                EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo);
                        }
 
                                EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo);
                        }

-       
+

                        break;
                case CDC_REQ_SetControlLineState:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
                        break;
                case CDC_REQ_SetControlLineState:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))

-                       {                               
+                       {

                                Endpoint_ClearSETUP();
                                Endpoint_ClearStatusStage();
 
                                Endpoint_ClearSETUP();
                                Endpoint_ClearStatusStage();
 


@@ -81,11 +81,11 @@ void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInter
 
                                EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);
                        }
 
                                EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);
                        }

-       
+

                        break;
                case CDC_REQ_SendBreak:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
                        break;
                case CDC_REQ_SendBreak:
                        if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))

-                       {                               
+                       {

                                Endpoint_ClearSETUP();
                                Endpoint_ClearStatusStage();
 
                                Endpoint_ClearSETUP();
                                Endpoint_ClearStatusStage();
 


@@ -132,14 +132,14 @@ bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* const CDCInterfac
                {
                        continue;
                }
                {
                        continue;
                }

-               
+

                if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,
                if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,

-                                                                                DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
+                                                DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))

                {
                        return false;
                }
        }
                {
                        return false;
                }
        }

-       
+

        return true;
 }
 
        return true;
 }
 


@@ -147,8 +147,10 @@ void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
 {
        if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
          return;
 {
        if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
          return;

-         
+
+       #if !defined(NO_CLASS_DRIVER_AUTOFLUSH)

        CDC_Device_Flush(CDCInterfaceInfo);
        CDC_Device_Flush(CDCInterfaceInfo);

+       #endif

 }
 
 uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,
 }
 
 uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,


@@ -157,7 +159,7 @@ uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo
 {
        if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
          return ENDPOINT_RWSTREAM_DeviceDisconnected;
 {
        if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
          return ENDPOINT_RWSTREAM_DeviceDisconnected;

-       
+

        Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
        return Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);
 }
        Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
        return Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);
 }


@@ -195,11 +197,11 @@ uint8_t CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
 
        if (!(Endpoint_BytesInEndpoint()))
          return ENDPOINT_READYWAIT_NoError;
 
        if (!(Endpoint_BytesInEndpoint()))
          return ENDPOINT_READYWAIT_NoError;

-       
+

        bool BankFull = !(Endpoint_IsReadWriteAllowed());
        bool BankFull = !(Endpoint_IsReadWriteAllowed());

-       
+

        Endpoint_ClearIN();
        Endpoint_ClearIN();

-       
+

        if (BankFull)
        {
                if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)
        if (BankFull)
        {
                if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)


@@ -207,7 +209,7 @@ uint8_t CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
 
                Endpoint_ClearIN();
        }
 
                Endpoint_ClearIN();
        }

-       
+

        return ENDPOINT_READYWAIT_NoError;
 }
 
        return ENDPOINT_READYWAIT_NoError;
 }
 


@@ -244,16 +246,16 @@ int16_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInf
        int16_t ReceivedByte = -1;
 
        Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
        int16_t ReceivedByte = -1;
 
        Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);

-       
+

        if (Endpoint_IsOUTReceived())
        {
                if (Endpoint_BytesInEndpoint())
                  ReceivedByte = Endpoint_Read_Byte();
        if (Endpoint_IsOUTReceived())
        {
                if (Endpoint_BytesInEndpoint())
                  ReceivedByte = Endpoint_Read_Byte();

-       
+

                if (!(Endpoint_BytesInEndpoint()))
                  Endpoint_ClearOUT();
        }
                if (!(Endpoint_BytesInEndpoint()))
                  Endpoint_ClearOUT();
        }

-       
+

        return ReceivedByte;
 }
 
        return ReceivedByte;
 }
 


@@ -263,7 +265,7 @@ void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDC
          return;
 
        Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber);
          return;
 
        Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber);

-       
+

        USB_Request_Header_t Notification = (USB_Request_Header_t)
                {
                        .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
        USB_Request_Header_t Notification = (USB_Request_Header_t)
                {
                        .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),


@@ -313,17 +315,18 @@ static int CDC_Device_getchar(FILE* Stream)
 static int CDC_Device_getchar_Blocking(FILE* Stream)
 {
        int16_t ReceivedByte;
 static int CDC_Device_getchar_Blocking(FILE* Stream)
 {
        int16_t ReceivedByte;

-       
+

        while ((ReceivedByte = CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))) < 0)
        {
                if (USB_DeviceState == DEVICE_STATE_Unattached)
                  return _FDEV_EOF;
        while ((ReceivedByte = CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))) < 0)
        {
                if (USB_DeviceState == DEVICE_STATE_Unattached)
                  return _FDEV_EOF;

-       
+

                CDC_Device_USBTask((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
                CDC_Device_USBTask((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));

-               USB_USBTask();  
+               USB_USBTask();

        }
 
        return ReceivedByte;
 }
 
 #endif
        }
 
        return ReceivedByte;
 }
 
 #endif

+