X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/c20a94a4e84c89debf5e7109482ede708a694a0c..526e398986583e2fb65c0a36a2fbf2ce153446e5:/LUFA/Drivers/USB/LowLevel/Endpoint.c

diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.c b/LUFA/Drivers/USB/LowLevel/Endpoint.c
index da2925ec7..bd264b17f 100644
--- a/LUFA/Drivers/USB/LowLevel/Endpoint.c
+++ b/LUFA/Drivers/USB/LowLevel/Endpoint.c
@@ -39,22 +39,12 @@
 uint8_t USB_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;
 #endif
 
-#if !defined(STATIC_ENDPOINT_CONFIGURATION)
-bool Endpoint_ConfigureEndpoint(const uint8_t  Number, const uint8_t Type, const uint8_t Direction,
-			                    const uint16_t Size, const uint8_t Banks)
+uint8_t Endpoint_BytesToEPSizeMaskDynamic(const uint16_t Size)
 {
-	Endpoint_SelectEndpoint(Number);
-	Endpoint_EnableEndpoint();
-
-	UECFG1X = 0;	
-
-	UECFG0X = ((Type << EPTYPE0) | Direction);
-	UECFG1X = ((1 << ALLOC) | Banks | Endpoint_BytesToEPSizeMask(Size));
-
-	return Endpoint_IsConfigured();
+	return Endpoint_BytesToEPSizeMask(Size);
 }
-#else
-bool Endpoint_ConfigureEndpointStatic(const uint8_t Number, const uint8_t UECFG0XData, const uint8_t UECFG1XData)
+
+bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, const uint8_t UECFG0XData, const uint8_t UECFG1XData)
 {
 	Endpoint_SelectEndpoint(Number);
 	Endpoint_EnableEndpoint();
@@ -66,7 +56,6 @@ bool Endpoint_ConfigureEndpointStatic(const uint8_t Number, const uint8_t UECFG0
 
 	return Endpoint_IsConfigured();
 }
-#endif
 
 void Endpoint_ClearEndpoints(void)
 {
@@ -128,7 +117,7 @@ uint8_t Endpoint_Discard_Stream(uint16_t Length
 	if ((ErrorCode = Endpoint_WaitUntilReady()))
 	  return ErrorCode;
 
-	while (Length--)
+	while (Length)
 	{
 		if (!(Endpoint_IsReadWriteAllowed()))
 		{
@@ -136,7 +125,7 @@ uint8_t Endpoint_Discard_Stream(uint16_t Length
 
 			#if !defined(NO_STREAM_CALLBACKS)
 			if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-			  return ENDPOINT_RWSTREAM_ERROR_CallbackAborted;
+			  return ENDPOINT_RWSTREAM_CallbackAborted;
 			#endif
 
 			if ((ErrorCode = Endpoint_WaitUntilReady()))
@@ -145,10 +134,11 @@ uint8_t Endpoint_Discard_Stream(uint16_t Length
 		else
 		{
 			Endpoint_Discard_Byte();
+			Length--;
 		}
 	}
 	
-	return ENDPOINT_RWSTREAM_ERROR_NoError;
+	return ENDPOINT_RWSTREAM_NoError;
 }
 
 uint8_t Endpoint_Write_Stream_LE(const void* Buffer, uint16_t Length
@@ -163,7 +153,7 @@ uint8_t Endpoint_Write_Stream_LE(const void* Buffer, uint16_t Length
 	if ((ErrorCode = Endpoint_WaitUntilReady()))
 	  return ErrorCode;
 
-	while (Length--)
+	while (Length)
 	{
 		if (!(Endpoint_IsReadWriteAllowed()))
 		{
@@ -171,7 +161,7 @@ uint8_t Endpoint_Write_Stream_LE(const void* Buffer, uint16_t Length
 			
 			#if !defined(NO_STREAM_CALLBACKS)
 			if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-			  return ENDPOINT_RWSTREAM_ERROR_CallbackAborted;
+			  return ENDPOINT_RWSTREAM_CallbackAborted;
 			#endif
 
 			if ((ErrorCode = Endpoint_WaitUntilReady()))
@@ -180,10 +170,11 @@ uint8_t Endpoint_Write_Stream_LE(const void* Buffer, uint16_t Length
 		else
 		{
 			Endpoint_Write_Byte(*(DataStream++));
+			Length--;
 		}
 	}
 	
-	return ENDPOINT_RWSTREAM_ERROR_NoError;
+	return ENDPOINT_RWSTREAM_NoError;
 }
 
 uint8_t Endpoint_Write_Stream_BE(const void* Buffer, uint16_t Length
@@ -198,7 +189,7 @@ uint8_t Endpoint_Write_Stream_BE(const void* Buffer, uint16_t Length
 	if ((ErrorCode = Endpoint_WaitUntilReady()))
 	  return ErrorCode;
 
-	while (Length--)
+	while (Length)
 	{
 		if (!(Endpoint_IsReadWriteAllowed()))
 		{
@@ -206,7 +197,7 @@ uint8_t Endpoint_Write_Stream_BE(const void* Buffer, uint16_t Length
 
 			#if !defined(NO_STREAM_CALLBACKS)
 			if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-			  return ENDPOINT_RWSTREAM_ERROR_CallbackAborted;
+			  return ENDPOINT_RWSTREAM_CallbackAborted;
 			#endif
 
 			if ((ErrorCode = Endpoint_WaitUntilReady()))
@@ -215,10 +206,11 @@ uint8_t Endpoint_Write_Stream_BE(const void* Buffer, uint16_t Length
 		else
 		{
 			Endpoint_Write_Byte(*(DataStream--));
+			Length--;
 		}
 	}
 	
-	return ENDPOINT_RWSTREAM_ERROR_NoError;
+	return ENDPOINT_RWSTREAM_NoError;
 }
 
 uint8_t Endpoint_Read_Stream_LE(void* Buffer, uint16_t Length
@@ -233,7 +225,7 @@ uint8_t Endpoint_Read_Stream_LE(void* Buffer, uint16_t Length
 	if ((ErrorCode = Endpoint_WaitUntilReady()))
 	  return ErrorCode;
 
-	while (Length--)
+	while (Length)
 	{
 		if (!(Endpoint_IsReadWriteAllowed()))
 		{
@@ -241,7 +233,7 @@ uint8_t Endpoint_Read_Stream_LE(void* Buffer, uint16_t Length
 
 			#if !defined(NO_STREAM_CALLBACKS)
 			if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-			  return ENDPOINT_RWSTREAM_ERROR_CallbackAborted;
+			  return ENDPOINT_RWSTREAM_CallbackAborted;
 			#endif
 
 			if ((ErrorCode = Endpoint_WaitUntilReady()))
@@ -250,10 +242,11 @@ uint8_t Endpoint_Read_Stream_LE(void* Buffer, uint16_t Length
 		else
 		{
 			*(DataStream++) = Endpoint_Read_Byte();
+			Length--;
 		}
 	}
 	
-	return ENDPOINT_RWSTREAM_ERROR_NoError;
+	return ENDPOINT_RWSTREAM_NoError;
 }
 
 uint8_t Endpoint_Read_Stream_BE(void* Buffer, uint16_t Length
@@ -268,7 +261,7 @@ uint8_t Endpoint_Read_Stream_BE(void* Buffer, uint16_t Length
 	if ((ErrorCode = Endpoint_WaitUntilReady()))
 	  return ErrorCode;
 
-	while (Length--)
+	while (Length)
 	{
 		if (!(Endpoint_IsReadWriteAllowed()))
 		{
@@ -276,7 +269,7 @@ uint8_t Endpoint_Read_Stream_BE(void* Buffer, uint16_t Length
 
 			#if !defined(NO_STREAM_CALLBACKS)
 			if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
-			  return ENDPOINT_RWSTREAM_ERROR_CallbackAborted;
+			  return ENDPOINT_RWSTREAM_CallbackAborted;
 			#endif
 
 			if ((ErrorCode = Endpoint_WaitUntilReady()))
@@ -285,18 +278,21 @@ uint8_t Endpoint_Read_Stream_BE(void* Buffer, uint16_t Length
 		else
 		{
 			*(DataStream--) = Endpoint_Read_Byte();
+			Length--;
 		}
 	}
 	
-	return ENDPOINT_RWSTREAM_ERROR_NoError;
+	return ENDPOINT_RWSTREAM_NoError;
 }
 #endif
 
 uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer, uint16_t Length)
 {
-	uint8_t* DataStream    = (uint8_t*)Buffer;
+	uint8_t* DataStream     = (uint8_t*)Buffer;
 	bool     LastPacketFull = false;
-	bool     ShortTransfer = (Length < USB_ControlRequest.wLength);
+	
+	if (Length > USB_ControlRequest.wLength)
+	  Length = USB_ControlRequest.wLength;
 	
 	while (Length && !(Endpoint_IsOUTReceived()))
 	{
@@ -305,7 +301,6 @@ uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer, uint16_t Length)
 		while (Length && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
 		{
 			Endpoint_Write_Byte(*(DataStream++));
-			
 			Length--;
 		}
 		
@@ -314,9 +309,9 @@ uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer, uint16_t Length)
 	}
 	
 	if (Endpoint_IsOUTReceived())
-	  return ENDPOINT_RWCSTREAM_ERROR_HostAborted;
+	  return ENDPOINT_RWCSTREAM_HostAborted;
 	
-	if (LastPacketFull || ShortTransfer)
+	if (LastPacketFull)
 	{
 		while (!(Endpoint_IsINReady()));
 		Endpoint_ClearIN();
@@ -324,34 +319,36 @@ uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer, uint16_t Length)
 	
 	while (!(Endpoint_IsOUTReceived()));
 
-	return ENDPOINT_RWCSTREAM_ERROR_NoError;
+	return ENDPOINT_RWCSTREAM_NoError;
 }
 
 uint8_t Endpoint_Write_Control_Stream_BE(const void* Buffer, uint16_t Length)
 {
 	uint8_t* DataStream     = (uint8_t*)(Buffer + Length - 1);
 	bool     LastPacketFull = false;
-	bool     ShortTransfer  = (Length < USB_ControlRequest.wLength);
 	
+	if (Length > USB_ControlRequest.wLength)
+	  Length = USB_ControlRequest.wLength;
+
 	while (Length && !(Endpoint_IsOUTReceived()))
 	{
-		while (!(Endpoint_IsINReady()));
-		
-		while (Length && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
+		if (Endpoint_IsINReady())
 		{
-			Endpoint_Write_Byte(*(DataStream--));
+			while (Length && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
+			{
+				Endpoint_Write_Byte(*(DataStream--));
+				Length--;
+			}
 			
-			Length--;
+			LastPacketFull = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);
+			Endpoint_ClearIN();
 		}
-		
-		LastPacketFull = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);
-		Endpoint_ClearIN();
 	}
 	
 	if (Endpoint_IsOUTReceived())
-	  return ENDPOINT_RWCSTREAM_ERROR_HostAborted;
+	  return ENDPOINT_RWCSTREAM_HostAborted;
 	
-	if (LastPacketFull || ShortTransfer)
+	if (LastPacketFull)
 	{
 		while (!(Endpoint_IsINReady()));
 		Endpoint_ClearIN();
@@ -359,7 +356,7 @@ uint8_t Endpoint_Write_Control_Stream_BE(const void* Buffer, uint16_t Length)
 	
 	while (!(Endpoint_IsOUTReceived()));
 
-	return ENDPOINT_RWCSTREAM_ERROR_NoError;
+	return ENDPOINT_RWCSTREAM_NoError;
 }
 
 uint8_t Endpoint_Read_Control_Stream_LE(void* Buffer, uint16_t Length)
@@ -368,21 +365,21 @@ uint8_t Endpoint_Read_Control_Stream_LE(void* Buffer, uint16_t Length)
 	
 	while (Length)
 	{
-		while (!(Endpoint_IsOUTReceived()));
-		
-		while (Length && Endpoint_BytesInEndpoint())
+		if (Endpoint_IsOUTReceived())
 		{
-			*(DataStream++) = Endpoint_Read_Byte();
+			while (Length && Endpoint_BytesInEndpoint())
+			{
+				*(DataStream++) = Endpoint_Read_Byte();
+				Length--;
+			}
 			
-			Length--;
+			Endpoint_ClearOUT();
 		}
-		
-		Endpoint_ClearOUT();
 	}
 	
 	while (!(Endpoint_IsINReady()));
 	
-	return ENDPOINT_RWCSTREAM_ERROR_NoError;
+	return ENDPOINT_RWCSTREAM_NoError;
 }
 
 uint8_t Endpoint_Read_Control_Stream_BE(void* Buffer, uint16_t Length)
@@ -391,21 +388,21 @@ uint8_t Endpoint_Read_Control_Stream_BE(void* Buffer, uint16_t Length)
 	
 	while (Length)
 	{
-		while (!(Endpoint_IsOUTReceived()));
-		
-		while (Length && Endpoint_BytesInEndpoint())
+		if (Endpoint_IsOUTReceived())
 		{
-			*(DataStream--) = Endpoint_Read_Byte();
+			while (Length && Endpoint_BytesInEndpoint())
+			{
+				*(DataStream--) = Endpoint_Read_Byte();
+				Length--;
+			}
 			
-			Length--;
+			Endpoint_ClearOUT();
 		}
-		
-		Endpoint_ClearOUT();
 	}
 	
 	while (!(Endpoint_IsINReady()));
 
-	return ENDPOINT_RWCSTREAM_ERROR_NoError;
+	return ENDPOINT_RWCSTREAM_NoError;
 }
 
 #endif