X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/2f95eea14689d30a3172a7e1e30980072bf23fac..3dce79d68ccc50ee1007e485396826762b6965b5:/LUFA/Drivers/USB/LowLevel/Pipe.h

diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h
index 3931f8530..1057ec8bc 100644
--- a/LUFA/Drivers/USB/LowLevel/Pipe.h
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.h
@@ -566,12 +566,16 @@
 			static inline uint16_t Pipe_Read_Word_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
 			static inline uint16_t Pipe_Read_Word_LE(void)
 			{
-				uint16_t Data;
+				union
+				{
+					uint16_t Word;
+					uint8_t  Bytes[2];
+				} Data;
 				
-				Data  = UPDATX;
-				Data |= (((uint16_t)UPDATX) << 8);
+				Data.Bytes[0] = UPDATX;
+				Data.Bytes[1] = UPDATX;
 			
-				return Data;
+				return Data.Word;
 			}
 
 			/** Reads two bytes from the currently selected pipe's bank in big endian format, for OUT
@@ -584,12 +588,16 @@
 			static inline uint16_t Pipe_Read_Word_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
 			static inline uint16_t Pipe_Read_Word_BE(void)
 			{
-				uint16_t Data;
+				union
+				{
+					uint16_t Word;
+					uint8_t  Bytes[2];
+				} Data;
 				
-				Data  = (((uint16_t)UPDATX) << 8);
-				Data |= UPDATX;
+				Data.Bytes[1] = UPDATX;
+				Data.Bytes[0] = UPDATX;
 			
-				return Data;
+				return Data.Word;
 			}
 			
 			/** Writes two bytes to the currently selected pipe's bank in little endian format, for IN
@@ -691,8 +699,10 @@
 			static inline void Pipe_Write_DWord_LE(const uint32_t DWord) ATTR_ALWAYS_INLINE;
 			static inline void Pipe_Write_DWord_LE(const uint32_t DWord)
 			{
-				Pipe_Write_Word_LE(DWord);
-				Pipe_Write_Word_LE(DWord >> 16);
+				UPDATX = (DWord &  0xFF);
+				UPDATX = (DWord >> 8);
+				UPDATX = (DWord >> 16);
+				UPDATX = (DWord >> 24);
 			}
 			
 			/** Writes four bytes to the currently selected pipe's bank in big endian format, for IN
@@ -705,8 +715,10 @@
 			static inline void Pipe_Write_DWord_BE(const uint32_t DWord) ATTR_ALWAYS_INLINE;
 			static inline void Pipe_Write_DWord_BE(const uint32_t DWord)
 			{
-				Pipe_Write_Word_BE(DWord >> 16);
-				Pipe_Write_Word_BE(DWord);
+				UPDATX = (DWord >> 24);
+				UPDATX = (DWord >> 16);
+				UPDATX = (DWord >> 8);
+				UPDATX = (DWord &  0xFF);
 			}			
 			
 			/** Discards four bytes from the currently selected pipe's bank, for OUT direction pipes.