diff options
Diffstat (limited to 'Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c')
| -rw-r--r-- | Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c b/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c index b25a37ee0..48d603569 100644 --- a/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c +++ b/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c @@ -68,13 +68,13 @@ static uint8_t MassStore_SendCommand(MS_CommandBlockWrapper_t* const SCSICommand { uint8_t ErrorCode = PIPE_RWSTREAM_NoError; - /* Each transmission should have a unique tag value, increment before use */ - SCSICommandBlock->Tag = ++MassStore_Tag; - /* Wrap Tag value when invalid - MS class defines tag values of 0 and 0xFFFFFFFF to be invalid */ - if (MassStore_Tag == 0xFFFFFFFF) + if (++MassStore_Tag == 0xFFFFFFFF) MassStore_Tag = 1; + /* Each transmission should have a unique tag value, increment before use */ + SCSICommandBlock->Tag = MassStore_Tag; + /* Select the OUT data pipe for CBW transmission */ Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE); Pipe_Unfreeze(); @@ -95,7 +95,7 @@ static uint8_t MassStore_SendCommand(MS_CommandBlockWrapper_t* const SCSICommand /* Freeze pipe after use */ Pipe_Freeze(); - /* Send data if any */ + /* Send data if any has been given */ if ((BufferPtr != NULL) && ((ErrorCode = MassStore_SendReceiveData(SCSICommandBlock, BufferPtr)) != PIPE_READYWAIT_NoError)) { |