Altered all endpoint/pipe stream transfers so that the new BytesProcessed parameter...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / MassStorage.c
index 676acd1..18f7b8e 100644 (file)
@@ -36,8 +36,6 @@
 #define  __INCLUDE_FROM_MASSSTORAGE_DEVICE_C
 #include "MassStorage.h"
 
-static volatile bool* CallbackIsResetSource;
-
 void MS_Device_ProcessControlRequest(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
 {
        if (!(Endpoint_IsSETUPReceived()))
@@ -159,14 +157,21 @@ void MS_Device_USBTask(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
 
 static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
 {
-       Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);
+       uint16_t BytesProcessed;
 
-       CallbackIsResetSource = &MSInterfaceInfo->State.IsMassStoreReset;
-       if (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock,
-                                   (sizeof(MS_CommandBlockWrapper_t) - 16),
-                                   StreamCallback_MS_Device_AbortOnMassStoreReset))
+       Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);
+       
+       BytesProcessed = 0;
+       while (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock,
+                                      (sizeof(MS_CommandBlockWrapper_t) - 16), &BytesProcessed) ==
+                                      ENDPOINT_RWSTREAM_IncompleteTransfer)
        {
-               return false;
+               #if !defined(INTERRUPT_CONTROL_ENDPOINT)
+               USB_USBTask();
+               #endif
+
+               if (MSInterfaceInfo->State.IsMassStoreReset)
+                 return false;
        }
 
        if ((MSInterfaceInfo->State.CommandBlock.Signature         != MS_CBW_SIGNATURE)                  ||
@@ -182,12 +187,17 @@ static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInte
                return false;
        }
 
-       CallbackIsResetSource = &MSInterfaceInfo->State.IsMassStoreReset;
-       if (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock.SCSICommandData,
-                                   MSInterfaceInfo->State.CommandBlock.SCSICommandLength,
-                                   StreamCallback_MS_Device_AbortOnMassStoreReset))
+       BytesProcessed = 0;
+       while (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock.SCSICommandData,
+                                       MSInterfaceInfo->State.CommandBlock.SCSICommandLength, &BytesProcessed) ==
+                                       ENDPOINT_RWSTREAM_IncompleteTransfer)
        {
-               return false;
+               #if !defined(INTERRUPT_CONTROL_ENDPOINT)
+               USB_USBTask();
+               #endif
+
+               if (MSInterfaceInfo->State.IsMassStoreReset)
+                 return false;
        }
 
        Endpoint_ClearOUT();
@@ -221,27 +231,20 @@ static void MS_Device_ReturnCommandStatus(USB_ClassInfo_MS_Device_t* const MSInt
                  return;
        }
 
-       CallbackIsResetSource = &MSInterfaceInfo->State.IsMassStoreReset;
-       if (Endpoint_Write_Stream_LE(&MSInterfaceInfo->State.CommandStatus, sizeof(MS_CommandStatusWrapper_t),
-                                    StreamCallback_MS_Device_AbortOnMassStoreReset))
+       uint16_t BytesProcessed = 0;
+       while (Endpoint_Write_Stream_LE(&MSInterfaceInfo->State.CommandStatus,
+                                       sizeof(MS_CommandStatusWrapper_t), &BytesProcessed) ==
+                                       ENDPOINT_RWSTREAM_IncompleteTransfer)
        {
-               return;
-       }
+               #if !defined(INTERRUPT_CONTROL_ENDPOINT)
+               USB_USBTask();
+               #endif
 
+               if (MSInterfaceInfo->State.IsMassStoreReset)
+                 return;
+       }
+       
        Endpoint_ClearIN();
 }
 
-static uint8_t StreamCallback_MS_Device_AbortOnMassStoreReset(void)
-{
-       #if !defined(INTERRUPT_CONTROL_ENDPOINT)
-       USB_USBTask();
-       #endif
-
-       if (*CallbackIsResetSource)
-         return STREAMCALLBACK_Abort;
-       else
-         return STREAMCALLBACK_Continue;
-}
-
 #endif
-