Move over message ID specific header data to unions inside the standard TMC header structure, so that all header data is read in one chunk in the incomplete TMC demo.

Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c

@@ -351,6 +351,10 @@ void TMC_Task(void)
 
 				break;
 			case TMC_MESSAGEID_DEV_VENDOR_IN:
+
+				break;
+			default:
+				Endpoint_StallTransaction();
 				break;
 		}
 		

Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.h

@@ -103,12 +103,37 @@
 			uint8_t Reserved3[12];			
 		} TMC_Capabilities_t;
 		
+		typedef struct
+		{
+			unsigned char LastMessageTransaction : 1;
+			unsigned char Reserved               : 7;
+
+			uint8_t Reserved2[3];
+		} TMC_DevOUTMessageHeader_t;
+
+		typedef struct
+		{
+			unsigned char TermCharEnabled        : 1;
+			unsigned char Reserved               : 7;
+
+			uint8_t TermChar;
+			uint8_t Reserved2[2];
+		} TMC_DevINMessageHeader_t;
+
 		typedef struct
 		{
 			uint8_t  MessageID;
 			uint8_t  Tag;
 			uint8_t  InverseTag;
 			uint8_t  Reserved;
+			uint32_t TransferSize;
+			
+			union
+			{
+				TMC_DevOUTMessageHeader_t DeviceOUT;
+				TMC_DevINMessageHeader_t  DeviceIN;
+				uint32_t                  VendorSpecific;
+			} MessageIDSpecific;
 		} TMC_MessageHeader_t;
 
 	/* Function Prototypes: */

LUFA/Drivers/USB/LowLevel/Endpoint.h

@@ -131,8 +131,8 @@
 			#define ENDPOINT_CONTROLEP                    0
 
 			#if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__))
-				/** Default size of the default control endpoint's bank, until altered by the Endpoint0Size value 
+				/** Default size of the default control endpoint's bank, until altered by the control endpoint bank size 
-				 *  in the device descriptor. Not available if the FIXED_CONTROL_ENDPOINT_SIZE token is defined.
+				 *  value in the device descriptor. Not available if the FIXED_CONTROL_ENDPOINT_SIZE token is defined.
 				 */
 				#define ENDPOINT_CONTROLEP_DEFAULT_SIZE   8
 			#endif

Projects/TempDataLogger/TempDataLogger.c

@@ -105,11 +105,11 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
 	if (CurrentLoggingTicks++ < LoggingInterval500MS_SRAM)
 	  return;
 	    
-	LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
-
 	/* Reset log tick counter to prepare for next logging interval */
 	CurrentLoggingTicks = 0;
 
+	LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
+	
 	/* Only log when not connected to a USB host */
 	if (USB_DeviceState == DEVICE_STATE_Unattached)
 	{