Added new USB_Device_GetFrameNumber() and USB_Host_GetFrameNumber() functions to...

[pub/lufa.git] / Demos / Host / LowLevel / MassStorageHost / Lib / MassStoreCommands.c

diff --git a/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c b/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c
index b94bbca..c86e51b 100644 (file)
--- a/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c
+++ b/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c
@@ -110,20 +110,23 @@ static uint8_t MassStore_SendCommand(CommandBlockWrapper_t* const SCSICommandBlo
  */
 static uint8_t MassStore_WaitForDataReceived(void)
 {
-       uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS;
+       uint16_t TimeoutMSRem        = COMMAND_DATA_TIMEOUT_MS;
+       uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber();
 
        /* Select the IN data pipe for data reception */
        Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE);
        Pipe_Unfreeze();
-
+       
        /* Wait until data received in the IN pipe */
        while (!(Pipe_IsINReceived()))
        {
+               uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber();
+               
                /* Check to see if a new frame has been issued (1ms elapsed) */
-               if (USB_INT_HasOccurred(USB_INT_HSOFI))
+               if (CurrentFrameNumber != PreviousFrameNumber)
                {
-                       /* Clear the flag and decrement the timeout period counter */
-                       USB_INT_Clear(USB_INT_HSOFI);
+                       /* Save the new frame number and decrement the timeout period */
+                       PreviousFrameNumber = CurrentFrameNumber;
                        TimeoutMSRem--;
 
                        /* Check to see if the timeout period for the command has elapsed */
@@ -465,7 +468,7 @@ uint8_t MassStore_ReadDeviceBlock(const uint8_t LUNIndex,
                                        (BlockAddress >> 16),
                                        (BlockAddress >> 8),
                                        (BlockAddress & 0xFF),  // LSB of Block Address
-                                       0x00,                   // Unused (reserved)
+                                       0x00,                   // Reserved
                                        0x00,                   // MSB of Total Blocks to Read
                                        Blocks,                 // LSB of Total Blocks to Read
                                        0x00                    // Unused (control)