Add more const-ness to the stream endpoint/pipe functions where possible.

[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 40fe3fd..73e634b 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
+     Copyright (C) Dean Camera, 2011.
 
   dean [at] fourwalledcubicle [dot] 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
   software and its documentation for any purpose is hereby granted
@@ -236,14 +236,14 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
        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),
-                                           NO_STREAM_CALLBACK);
+                                           NULL);
 
                        Pipe_ClearIN();
 
@@ -311,9 +311,26 @@ uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
        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,
-                            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;
@@ -323,7 +340,7 @@ uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
        Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
 
        Pipe_Unfreeze();
-       ErrorCode = Pipe_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);
+       ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL);
        Pipe_Freeze();
 
        return ErrorCode;