\r
 uint8_t Pipe_WaitUntilReady(void)\r
 {\r
+       #if (USB_STREAM_TIMEOUT_MS < 0xFF)\r
+       uint8_t  TimeoutMSRem = USB_STREAM_TIMEOUT_MS;  \r
+       #else\r
        uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;\r
-\r
-       USB_INT_Clear(USB_INT_HSOFI);\r
+       #endif\r
 \r
        for (;;)\r
        {\r
                else if (!(USB_IsConnected))\r
                  return PIPE_READYWAIT_DeviceDisconnected;\r
                          \r
-               if (USB_INT_HasOccurred(USB_INT_HSOFI))\r
+               if (FrameElapsed)\r
                {\r
-                       USB_INT_Clear(USB_INT_HSOFI);\r
+                       FrameElapsed = false;\r
 \r
                        if (!(TimeoutMSRem--))\r
                          return PIPE_READYWAIT_Timeout;\r
 \r
 uint8_t Pipe_Write_Stream_LE(const void* Data, uint16_t Length\r
 #if !defined(NO_STREAM_CALLBACKS)\r
-                                 , uint8_t (* const Callback)(void)\r
+                                 , StreamCallbackPtr_t Callback\r
 #endif\r
                                                                 )\r
 {\r
                                \r
                        #if !defined(NO_STREAM_CALLBACKS)\r
                        if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))\r
-                         return PIPE_RWSTREAM_ERROR_CallbackAborted;\r
+                         return PIPE_RWSTREAM_CallbackAborted;\r
                        #endif\r
 \r
                        if ((ErrorCode = Pipe_WaitUntilReady()))\r
                }\r
        }\r
 \r
-       return PIPE_RWSTREAM_ERROR_NoError;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
 uint8_t Pipe_Write_Stream_BE(const void* Data, uint16_t Length\r
 #if !defined(NO_STREAM_CALLBACKS)\r
-                                 , uint8_t (* const Callback)(void)\r
+                                 , StreamCallbackPtr_t Callback\r
 #endif\r
                                                                 )\r
 {\r
                                \r
                        #if !defined(NO_STREAM_CALLBACKS)\r
                        if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))\r
-                         return PIPE_RWSTREAM_ERROR_CallbackAborted;\r
+                         return PIPE_RWSTREAM_CallbackAborted;\r
                        #endif\r
 \r
                        if ((ErrorCode = Pipe_WaitUntilReady()))\r
                }\r
        }\r
 \r
-       return PIPE_RWSTREAM_ERROR_NoError;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
 uint8_t Pipe_Discard_Stream(uint16_t Length\r
 #if !defined(NO_STREAM_CALLBACKS)\r
-                                 , uint8_t (* const Callback)(void)\r
+                                 , StreamCallbackPtr_t Callback\r
 #endif\r
                                                                 )\r
 {\r
                                \r
                        #if !defined(NO_STREAM_CALLBACKS)\r
                        if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))\r
-                         return PIPE_RWSTREAM_ERROR_CallbackAborted;\r
+                         return PIPE_RWSTREAM_CallbackAborted;\r
                        #endif\r
 \r
                        if ((ErrorCode = Pipe_WaitUntilReady()))\r
                }\r
        }\r
 \r
-       return PIPE_RWSTREAM_ERROR_NoError;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
 uint8_t Pipe_Read_Stream_LE(void* Buffer, uint16_t Length\r
 #if !defined(NO_STREAM_CALLBACKS)\r
-                                 , uint8_t (* const Callback)(void)\r
+                                 , StreamCallbackPtr_t Callback\r
 #endif\r
                                                                 )\r
 {\r
                                \r
                        #if !defined(NO_STREAM_CALLBACKS)\r
                        if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))\r
-                         return PIPE_RWSTREAM_ERROR_CallbackAborted;\r
+                         return PIPE_RWSTREAM_CallbackAborted;\r
                        #endif\r
 \r
                        if ((ErrorCode = Pipe_WaitUntilReady()))\r
                }\r
        }\r
 \r
-       return PIPE_RWSTREAM_ERROR_NoError;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
 uint8_t Pipe_Read_Stream_BE(void* Buffer, uint16_t Length\r
 #if !defined(NO_STREAM_CALLBACKS)\r
-                                 , uint8_t (* const Callback)(void)\r
+                                 , StreamCallbackPtr_t Callback\r
 #endif\r
                                                                 )\r
 {\r
                                \r
                        #if !defined(NO_STREAM_CALLBACKS)\r
                        if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))\r
-                         return PIPE_RWSTREAM_ERROR_CallbackAborted;\r
+                         return PIPE_RWSTREAM_CallbackAborted;\r
                        #endif\r
 \r
                        if ((ErrorCode = Pipe_WaitUntilReady()))\r
                }\r
        }\r
        \r
-       return PIPE_RWSTREAM_ERROR_NoError;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
 #endif\r