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Renamed all driver termination *_ShutDown() functions to the more logical name *_Disa...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / CDC.c
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index 5a87c77..73e634b 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -1,21 +1,21 @@
 /*
              LUFA Library
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
-              
+     Copyright (C) Dean Camera, 2011.
+
   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 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
   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
@@ -32,166 +32,192 @@
 #include "../../HighLevel/USBMode.h"
 #if defined(USB_CAN_BE_HOST)
 
 #include "../../HighLevel/USBMode.h"
 #if defined(USB_CAN_BE_HOST)
 
-#define  __INCLUDE_FROM_CDC_CLASS_HOST_C
 #define  __INCLUDE_FROM_CDC_DRIVER
 #define  __INCLUDE_FROM_CDC_DRIVER
+#define  __INCLUDE_FROM_CDC_HOST_C
 #include "CDC.h"
 
 uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
                                 uint16_t ConfigDescriptorSize,
                                 void* ConfigDescriptorData)
 {
 #include "CDC.h"
 
 uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
                                 uint16_t ConfigDescriptorSize,
                                 void* ConfigDescriptorData)
 {
-       uint8_t FoundEndpoints = 0;
+       USB_Descriptor_Endpoint_t*  DataINEndpoint       = NULL;
+       USB_Descriptor_Endpoint_t*  DataOUTEndpoint      = NULL;
+       USB_Descriptor_Endpoint_t*  NotificationEndpoint = NULL;
+       USB_Descriptor_Interface_t* CDCControlInterface  = NULL;
 
        memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));
 
        if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
          return CDC_ENUMERROR_InvalidConfigDescriptor;
 
        memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));
 
        if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
          return CDC_ENUMERROR_InvalidConfigDescriptor;
-       
-       if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
-                                     DCOMP_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
-       {
-               return CDC_ENUMERROR_NoCDCInterfaceFound;
-       }
-       
-       CDCInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;
 
 
-       while (FoundEndpoints != (CDC_FOUND_NOTIFICATION_IN | CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT))
+       while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
        {
        {
-               if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+               if (!(CDCControlInterface) ||
+                   USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
                                              DCOMP_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
                {
                                              DCOMP_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
                {
-                       if (FoundEndpoints & CDC_FOUND_NOTIFICATION_IN)
+                       if (NotificationEndpoint)
                        {
                        {
-                               if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, 
+                               if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
                                                              DCOMP_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
                                {
                                                              DCOMP_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
                                {
-                                       return CDC_ENUMERROR_NoCDCInterfaceFound;
+                                       return CDC_ENUMERROR_NoCompatibleInterfaceFound;
                                }
                                }
+
+                               DataINEndpoint  = NULL;
+                               DataOUTEndpoint = NULL;
                        }
                        else
                        {
                        }
                        else
                        {
-                               FoundEndpoints = 0;
-
-                               Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
-                               Pipe_DisablePipe();
-                               Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
-                               Pipe_DisablePipe();
-                               Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);
-                               Pipe_DisablePipe();
-                       
                                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
                                                              DCOMP_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
                                {
                                if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
                                                              DCOMP_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
                                {
-                                       return CDC_ENUMERROR_NoCDCInterfaceFound;
+                                       return CDC_ENUMERROR_NoCompatibleInterfaceFound;
                                }
                                }
-                       }
 
 
-                       if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
-                                                     DCOMP_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
-                       {
-                               return CDC_ENUMERROR_EndpointsNotFound;
+                               CDCControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
+
+                               NotificationEndpoint = NULL;
                        }
                        }
+
+                       continue;
                }
                }
-               
+
                USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
 
                USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
 
-               if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
+               if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
                {
                {
-                       if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
-                       {
-                               Pipe_ConfigurePipe(CDCInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
-                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize,
-                                                                  CDCInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
-                               CDCInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize;
-
-                               Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
-                               
-                               FoundEndpoints |= CDC_FOUND_NOTIFICATION_IN;
-                       }
+                       if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
+                         NotificationEndpoint = EndpointData;
+                       else
+                         DataINEndpoint = EndpointData;
                }
                else
                {
                }
                else
                {
-                       if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
-                       {
-                               Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
-                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, 
-                                                  CDCInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
-
-                               CDCInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
+                       DataOUTEndpoint = EndpointData;
+               }
+       }
 
 
-                               FoundEndpoints |= CDC_FOUND_DATAPIPE_IN;
-                       }
-                       else
-                       {
-                               Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
-                                                                  EndpointData->EndpointAddress, EndpointData->EndpointSize, 
-                                                                  CDCInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
-                       
-                               CDCInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
-                               
-                               FoundEndpoints |= CDC_FOUND_DATAPIPE_OUT;
-                       }
+       for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)
+       {
+               uint16_t Size;
+               uint8_t  Type;
+               uint8_t  Token;
+               uint8_t  EndpointAddress;
+               uint8_t  InterruptPeriod;
+               bool     DoubleBanked;
+
+               if (PipeNum == CDCInterfaceInfo->Config.DataINPipeNumber)
+               {
+                       Size            = DataINEndpoint->EndpointSize;
+                       EndpointAddress = DataINEndpoint->EndpointAddress;
+                       Token           = PIPE_TOKEN_IN;
+                       Type            = EP_TYPE_BULK;
+                       DoubleBanked    = CDCInterfaceInfo->Config.DataINPipeDoubleBank;
+                       InterruptPeriod = 0;
+
+                       CDCInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
+               }
+               else if (PipeNum == CDCInterfaceInfo->Config.DataOUTPipeNumber)
+               {
+                       Size            = DataOUTEndpoint->EndpointSize;
+                       EndpointAddress = DataOUTEndpoint->EndpointAddress;
+                       Token           = PIPE_TOKEN_OUT;
+                       Type            = EP_TYPE_BULK;
+                       DoubleBanked    = CDCInterfaceInfo->Config.DataOUTPipeDoubleBank;
+                       InterruptPeriod = 0;
+
+                       CDCInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
+               }
+               else if (PipeNum == CDCInterfaceInfo->Config.NotificationPipeNumber)
+               {
+                       Size            = NotificationEndpoint->EndpointSize;
+                       EndpointAddress = NotificationEndpoint->EndpointAddress;
+                       Token           = PIPE_TOKEN_IN;
+                       Type            = EP_TYPE_INTERRUPT;
+                       DoubleBanked    = CDCInterfaceInfo->Config.NotificationPipeDoubleBank;
+                       InterruptPeriod = NotificationEndpoint->PollingIntervalMS;
+
+                       CDCInterfaceInfo->State.NotificationPipeSize = NotificationEndpoint->EndpointSize;
+               }
+               else
+               {
+                       continue;
                }
                }
+               
+               if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size,
+                                        DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE)))
+               {
+                       return CDC_ENUMERROR_PipeConfigurationFailed;
+               }
+               
+               if (InterruptPeriod)
+                 Pipe_SetInterruptPeriod(InterruptPeriod);
        }
 
        }
 
+       CDCInterfaceInfo->State.ControlInterfaceNumber = CDCControlInterface->InterfaceNumber;
        CDCInterfaceInfo->State.ControlLineStates.HostToDevice = (CDC_CONTROL_LINE_OUT_RTS | CDC_CONTROL_LINE_OUT_DTR);
        CDCInterfaceInfo->State.ControlLineStates.DeviceToHost = (CDC_CONTROL_LINE_IN_DCD  | CDC_CONTROL_LINE_IN_DSR);
        CDCInterfaceInfo->State.IsActive = true;
        CDCInterfaceInfo->State.ControlLineStates.HostToDevice = (CDC_CONTROL_LINE_OUT_RTS | CDC_CONTROL_LINE_OUT_DTR);
        CDCInterfaceInfo->State.ControlLineStates.DeviceToHost = (CDC_CONTROL_LINE_IN_DCD  | CDC_CONTROL_LINE_IN_DSR);
        CDCInterfaceInfo->State.IsActive = true;
+
        return CDC_ENUMERROR_NoError;
 }
 
 static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor)
 {
        return CDC_ENUMERROR_NoError;
 }
 
 static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Interface)
        {
        {
-               USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-                                                                               USB_Descriptor_Interface_t);
-       
-               if ((CurrentInterface->Class    == CDC_CONTROL_CLASS)    &&
-                   (CurrentInterface->SubClass == CDC_CONTROL_SUBCLASS) &&
-                       (CurrentInterface->Protocol == CDC_CONTROL_PROTOCOL))
+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
+               if ((Interface->Class    == CDC_CSCP_CDCClass)    &&
+                   (Interface->SubClass == CDC_CSCP_ACMSubclass) &&
+                   (Interface->Protocol == CDC_CSCP_ATCommandProtocol))
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
-       
+
        return DESCRIPTOR_SEARCH_NotFound;
 }
 
 static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor)
 {
        return DESCRIPTOR_SEARCH_NotFound;
 }
 
 static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Interface)
        {
        {
-               USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-                                                                               USB_Descriptor_Interface_t);
-       
-               if ((CurrentInterface->Class    == CDC_DATA_CLASS)    &&
-                   (CurrentInterface->SubClass == CDC_DATA_SUBCLASS) &&
-                       (CurrentInterface->Protocol == CDC_DATA_PROTOCOL))
+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
+               if ((Interface->Class    == CDC_CSCP_CDCDataClass)   &&
+                   (Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
+                   (Interface->Protocol == CDC_CSCP_NoDataProtocol))
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
-       
+
        return DESCRIPTOR_SEARCH_NotFound;
 }
 
 static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor)
 {
        return DESCRIPTOR_SEARCH_NotFound;
 }
 
 static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Endpoint)
        {
        {
-               USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
-                                                                             USB_Descriptor_Endpoint_t);
-       
-               uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
-       
+               USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
+
+               uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
+
                if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
                if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
-                   !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
+                   !(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
-       else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       else if (Header->Type == DTYPE_Interface)
        {
                return DESCRIPTOR_SEARCH_Fail;
        }
        {
                return DESCRIPTOR_SEARCH_Fail;
        }
@@ -203,22 +229,22 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return;
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return;
-       
+
        Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);
        Pipe_Unfreeze();
 
        if (Pipe_IsINReceived())
        {
                USB_Request_Header_t Notification;
        Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);
        Pipe_Unfreeze();
 
        if (Pipe_IsINReceived())
        {
                USB_Request_Header_t Notification;
-               Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK);
-               
+               Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NULL);
+
                if ((Notification.bRequest      == CDC_NOTIF_SerialState) &&
                    (Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))
                {
                        Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,
                                            sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
                if ((Notification.bRequest      == CDC_NOTIF_SerialState) &&
                    (Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))
                {
                        Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,
                                            sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
-                                           NO_STREAM_CALLBACK);
-                       
+                                           NULL);
+
                        Pipe_ClearIN();
 
                        EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);
                        Pipe_ClearIN();
 
                        EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);
@@ -228,10 +254,12 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
                        Pipe_ClearIN();
                }
        }
                        Pipe_ClearIN();
                }
        }
-       
+
        Pipe_Freeze();
 
        Pipe_Freeze();
 
+       #if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
        CDC_Host_Flush(CDCInterfaceInfo);
        CDC_Host_Flush(CDCInterfaceInfo);
+       #endif
 }
 
 uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
 }
 
 uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
@@ -246,7 +274,7 @@ uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInf
        };
 
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
        };
 
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
-       
+
        return USB_Host_SendControlRequest(&CDCInterfaceInfo->State.LineEncoding);
 }
 
        return USB_Host_SendControlRequest(&CDCInterfaceInfo->State.LineEncoding);
 }
 
@@ -262,7 +290,7 @@ uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCI
        };
 
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
        };
 
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
-       
+
        return USB_Host_SendControlRequest(NULL);
 }
 
        return USB_Host_SendControlRequest(NULL);
 }
 
@@ -279,25 +307,42 @@ uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
        };
 
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
        };
 
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
-       
+
        return USB_Host_SendControlRequest(NULL);
 }
 
        return USB_Host_SendControlRequest(NULL);
 }
 
+uint8_t CDC_Host_SendData(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
+                          const uint8_t* const Buffer,
+                          const uint16_t Length)
+{
+       if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
+         return PIPE_READYWAIT_DeviceDisconnected;
+
+       uint8_t ErrorCode;
+
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
+
+       Pipe_Unfreeze();
+       ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL);
+       Pipe_Freeze();
+
+       return ErrorCode;
+}
+
 uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
 uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
-                            const char* const Data,
-                            const uint16_t Length)
+                            const char* const String)
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return PIPE_READYWAIT_DeviceDisconnected;
 
        uint8_t ErrorCode;
 
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return PIPE_READYWAIT_DeviceDisconnected;
 
        uint8_t ErrorCode;
 
-       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
 
        Pipe_Unfreeze();
 
        Pipe_Unfreeze();
-       ErrorCode = Pipe_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);
+       ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL);
        Pipe_Freeze();
        Pipe_Freeze();
-       
+
        return ErrorCode;
 }
 
        return ErrorCode;
 }
 
@@ -306,12 +351,12 @@ uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return PIPE_READYWAIT_DeviceDisconnected;
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return PIPE_READYWAIT_DeviceDisconnected;
-         
+
        uint8_t ErrorCode;
 
        uint8_t ErrorCode;
 
-       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
        Pipe_Unfreeze();
        Pipe_Unfreeze();
-       
+
        if (!(Pipe_IsReadWriteAllowed()))
        {
                Pipe_ClearOUT();
        if (!(Pipe_IsReadWriteAllowed()))
        {
                Pipe_ClearOUT();
@@ -320,9 +365,9 @@ uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
                  return ErrorCode;
        }
 
                  return ErrorCode;
        }
 
-       Pipe_Write_Byte(Data);  
+       Pipe_Write_Byte(Data);
        Pipe_Freeze();
        Pipe_Freeze();
-       
+
        return PIPE_READYWAIT_NoError;
 }
 
        return PIPE_READYWAIT_NoError;
 }
 
@@ -330,7 +375,7 @@ uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return 0;
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return 0;
-       
+
        Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
        Pipe_Unfreeze();
 
        Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
        Pipe_Unfreeze();
 
@@ -351,7 +396,7 @@ uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo
        else
        {
                Pipe_Freeze();
        else
        {
                Pipe_Freeze();
-               
+
                return 0;
        }
 }
                return 0;
        }
 }
@@ -360,7 +405,7 @@ int16_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return -1;
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return -1;
-         
+
        int16_t ReceivedByte = -1;
 
        Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
        int16_t ReceivedByte = -1;
 
        Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
@@ -374,7 +419,7 @@ int16_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
                if (!(Pipe_BytesInPipe()))
                  Pipe_ClearIN();
        }
                if (!(Pipe_BytesInPipe()))
                  Pipe_ClearIN();
        }
-       
+
        Pipe_Freeze();
 
        return ReceivedByte;
        Pipe_Freeze();
 
        return ReceivedByte;
@@ -384,12 +429,12 @@ uint8_t CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return PIPE_READYWAIT_DeviceDisconnected;
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
          return PIPE_READYWAIT_DeviceDisconnected;
-         
+
        uint8_t ErrorCode;
 
        uint8_t ErrorCode;
 
-       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);    
+       Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
        Pipe_Unfreeze();
        Pipe_Unfreeze();
-       
+
        if (!(Pipe_BytesInPipe()))
          return PIPE_READYWAIT_NoError;
 
        if (!(Pipe_BytesInPipe()))
          return PIPE_READYWAIT_NoError;
 
@@ -406,7 +451,7 @@ uint8_t CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
        }
 
        Pipe_Freeze();
        }
 
        Pipe_Freeze();
-       
+
        return PIPE_READYWAIT_NoError;
 }
 
        return PIPE_READYWAIT_NoError;
 }
 
@@ -443,7 +488,7 @@ static int CDC_Host_getchar(FILE* Stream)
 static int CDC_Host_getchar_Blocking(FILE* Stream)
 {
        int16_t ReceivedByte;
 static int CDC_Host_getchar_Blocking(FILE* Stream)
 {
        int16_t ReceivedByte;
-       
+
        while ((ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))) < 0)
        {
                if (USB_HostState == HOST_STATE_Unattached)
        while ((ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))) < 0)
        {
                if (USB_HostState == HOST_STATE_Unattached)
@@ -462,3 +507,4 @@ void CDC_Host_Event_Stub(void)
 }
 
 #endif
 }
 
 #endif
+
USB isp AVR programmer