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Diffstat (limited to 'Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c')
-rw-r--r--Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
index 4c88bb4f26..cb051cdf11 100644
--- a/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
+++ b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
@@ -54,7 +54,11 @@ uint8_t Printer_SendData(Printer_Data_t* PrinterCommands)
return ErrorCode;
Pipe_ClearOUT();
- while (!(Pipe_IsOUTReady()));
+ while (!(Pipe_IsOUTReady()))
+ {
+ if (USB_HostState == HOST_STATE_Unattached)
+ return PIPE_RWSTREAM_DeviceDisconnected;
+ }
Pipe_Freeze();