Deleted Host ClassDriver demos -- not yet started, faster to rebase new ClassDriver demos from the newly schedulerless LowLevel host demos rather than re-convert each demo from the previous scheduler-based implementations.

Fixes to MassStorageHost demo to improve compatibility with more USB drives.

Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c

@@ -107,10 +107,6 @@ static uint8_t MassStore_WaitForDataReceived(void)
 {
 	uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS;
 
-	/* Unfreeze the OUT pipe so that it can be checked */
-	Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE);
-	Pipe_Unfreeze();
-
 	/* Select the IN data pipe for data reception */
 	Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE);
 	Pipe_Unfreeze();
@@ -130,7 +126,9 @@ static uint8_t MassStore_WaitForDataReceived(void)
 			  return PIPE_RWSTREAM_Timeout;
 		}
 	
+		Pipe_Freeze();
 		Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE);
+		Pipe_Unfreeze();
 
 		/* Check if pipe stalled (command failed by device) */
 		if (Pipe_IsStalled())
@@ -140,8 +138,10 @@ static uint8_t MassStore_WaitForDataReceived(void)
 
 			return PIPE_RWSTREAM_PipeStalled;
 		}
-
+		
+		Pipe_Freeze();
 		Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE);
+		Pipe_Unfreeze();
 
 		/* Check if pipe stalled (command failed by device) */
 		if (Pipe_IsStalled())
@@ -156,6 +156,12 @@ static uint8_t MassStore_WaitForDataReceived(void)
 		if (!(USB_IsConnected))
 		  return PIPE_RWSTREAM_DeviceDisconnected;
 	};
+	
+	Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE);
+	Pipe_Freeze();
+		
+	Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE);
+	Pipe_Freeze();
 
 	return PIPE_RWSTREAM_NoError;
 }

Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.h

@@ -64,7 +64,7 @@
 		#define COMMAND_DIRECTION_DATA_IN        (1 << 7)
 		
 		/** Timeout period between the issuing of a CBW to a device, and the reception of the first packet */
-		#define COMMAND_DATA_TIMEOUT_MS          500
+		#define COMMAND_DATA_TIMEOUT_MS          2000
 
 		/** Pipe number of the Mass Storage data IN pipe */
 		#define MASS_STORE_DATA_IN_PIPE          1

Demos/Host/LowLevel/MassStorageHost/MassStorageHost.c

@@ -74,6 +74,7 @@ void SetupHardware(void)
 	SerialStream_Init(9600, false);
 	LEDs_Init();
 	Buttons_Init();
+	USB_Init();
 }
 
 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and