Corrected bitfields -- the smallest datatype required for each bitfield is now used, rather than relying on GCC to truncate unused bytes in bitfields (thanks to Walt Sacuta).

Demos/Device/MassStorage/SCSI.h

@@ -74,31 +74,31 @@
 		 */
 		typedef struct
 		{
-			unsigned int DeviceType          : 5;
-			unsigned int PeripheralQualifier : 3;
+			unsigned char DeviceType          : 5;
+			unsigned char PeripheralQualifier : 3;
 			
-			unsigned int _RESERVED1          : 7;
-			unsigned int Removable           : 1;
+			unsigned char _RESERVED1          : 7;
+			unsigned char Removable           : 1;
 			
 			uint8_t      Version;
 			
-			unsigned int ResponseDataFormat  : 4;
-			unsigned int _RESERVED2          : 1;
-			unsigned int NormACA             : 1;
-			unsigned int TrmTsk              : 1;
-			unsigned int AERC                : 1;
+			unsigned char ResponseDataFormat  : 4;
+			unsigned char _RESERVED2          : 1;
+			unsigned char NormACA             : 1;
+			unsigned char TrmTsk              : 1;
+			unsigned char AERC                : 1;
 
 			uint8_t      AdditionalLength;
 			uint8_t      _RESERVED3[2];
 
-			unsigned int SoftReset           : 1;
-			unsigned int CmdQue              : 1;
-			unsigned int _RESERVED4          : 1;
-			unsigned int Linked              : 1;
-			unsigned int Sync                : 1;
-			unsigned int WideBus16Bit        : 1;
-			unsigned int WideBus32Bit        : 1;
-			unsigned int RelAddr             : 1;
+			unsigned char SoftReset           : 1;
+			unsigned char CmdQue              : 1;
+			unsigned char _RESERVED4          : 1;
+			unsigned char Linked              : 1;
+			unsigned char Sync                : 1;
+			unsigned char WideBus16Bit        : 1;
+			unsigned char WideBus32Bit        : 1;
+			unsigned char RelAddr             : 1;
 			
 			uint8_t      VendorID[8];
 			uint8_t      ProductID[16];
@@ -114,11 +114,11 @@
 			
 			uint8_t      SegmentNumber;
 			
-			unsigned int SenseKey            : 4;
-			unsigned int _RESERVED1          : 1;
-			unsigned int ILI                 : 1;
-			unsigned int EOM                 : 1;
-			unsigned int FileMark            : 1;
+			unsigned char SenseKey            : 4;
+			unsigned char _RESERVED1          : 1;
+			unsigned char ILI                 : 1;
+			unsigned char EOM                 : 1;
+			unsigned char FileMark            : 1;
 			
 			uint8_t      Information[4];
 			uint8_t      AdditionalLength;

Demos/Device/RNDISEthernet/IP.h

@@ -70,18 +70,18 @@
 		/** Type define of an IP packet header. */
 		typedef struct
 		{
-			unsigned int  HeaderLength   : 4; /**< Total length of the packet header, in 4-byte blocks */
-			unsigned int  Version        : 4; /**< IP protocol version */
-			unsigned int  TypeOfService  : 8; /**< Special service type identifier, indicating delay/throughput/reliability levels */
-			unsigned int  TotalLength    : 16; /**< Total length of the IP packet, in bytes */
+			unsigned char  HeaderLength   : 4; /**< Total length of the packet header, in 4-byte blocks */
+			unsigned char  Version        : 4; /**< IP protocol version */
+			uint8_t        TypeOfService; /**< Special service type identifier, indicating delay/throughput/reliability levels */
+			uint16_t       TotalLength; /**< Total length of the IP packet, in bytes */
 
-			unsigned int  Identification : 16; /**< Idenfication value for identifying fragmented packets */
-			unsigned int  FragmentOffset : 13; /**< Offset of this IP fragment */
-			unsigned int  Flags          : 3; /**< Fragment flags, to indicate if a packet is fragmented */
+			uint16_t       Identification; /**< Idenfication value for identifying fragmented packets */
+			unsigned int   FragmentOffset : 13; /**< Offset of this IP fragment */
+			unsigned int   Flags          : 3; /**< Fragment flags, to indicate if a packet is fragmented */
 
-			unsigned int  TTL            : 8; /**< Maximum allowable number of hops to reach the packet destination */
-			unsigned int  Protocol       : 8; /**< Encapsulated protocol type */
-			unsigned int  HeaderChecksum : 16; /**< Ethernet checksum of the IP header */
+			uint8_t        TTL; /**< Maximum allowable number of hops to reach the packet destination */
+			uint8_t        Protocol; /**< Encapsulated protocol type */
+			uint16_t       HeaderChecksum; /**< Ethernet checksum of the IP header */
 			
 			IP_Address_t  SourceAddress; /**< Source protocol IP address of the packet */
 			IP_Address_t  DestinationAddress; /**< Destination protocol IP address of the packet */

Demos/Device/RNDISEthernet/TCP.h

@@ -221,8 +221,8 @@
 			uint32_t               SequenceNumber; /**< Data sequence number of the packet */
 			uint32_t               AcknowledgmentNumber; /**< Data acknowledgment number of the packet */
 			
-			unsigned int           Reserved : 4; /**< Reserved, must be all 0 */
-			unsigned int           DataOffset : 4; /**< Offset of the data from the start of the header, in 4 byte chunks */
+			unsigned char          Reserved : 4; /**< Reserved, must be all 0 */
+			unsigned char          DataOffset : 4; /**< Offset of the data from the start of the header, in 4 byte chunks */
 			uint8_t                Flags; /**< TCP packet flags */
 			uint16_t               WindowSize; /**< Current data window size (bytes remaning in reception buffer) */
 			

Demos/Host/MassStorageHost/MassStoreCommands.h

@@ -109,16 +109,16 @@
 		 */
 		typedef struct
 		{
-			unsigned int ReponseCode         : 7;
-			unsigned int Valid               : 1;
+			unsigned char ReponseCode         : 7;
+			unsigned char Valid               : 1;
 			
 			uint8_t      SegmentNumber;
 			
-			unsigned int SenseKey            : 4;
-			unsigned int _RESERVED1          : 1;
-			unsigned int ILI                 : 1;
-			unsigned int EOM                 : 1;
-			unsigned int FileMark            : 1;
+			unsigned char SenseKey            : 4;
+			unsigned char _RESERVED1          : 1;
+			unsigned char ILI                 : 1;
+			unsigned char EOM                 : 1;
+			unsigned char FileMark            : 1;
 			
 			uint8_t      Information[4];
 			uint8_t      AdditionalLength;