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-rw-r--r--Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c6
-rw-r--r--Demos/Host/LowLevel/PrinterHost/PrinterHost.c9
2 files changed, 8 insertions, 7 deletions
diff --git a/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c b/Demos/Host/LowLevel/PrinterHost/Lib/PrinterCommands.c
index 4c88bb4f2..cb051cdf1 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();
diff --git a/Demos/Host/LowLevel/PrinterHost/PrinterHost.c b/Demos/Host/LowLevel/PrinterHost/PrinterHost.c
index 3b145a63d..bbda0c24b 100644
--- a/Demos/Host/LowLevel/PrinterHost/PrinterHost.c
+++ b/Demos/Host/LowLevel/PrinterHost/PrinterHost.c
@@ -195,9 +195,6 @@ void USB_Printer_Host(void)
}
}
- USB_HostState = HOST_STATE_Configured;
- break;
- case HOST_STATE_Configured:
puts_P(PSTR("Retrieving Device ID...\r\n"));
char DeviceIDString[256];
@@ -217,10 +214,10 @@ void USB_Printer_Host(void)
printf_P(PSTR("Printer Device ID: %s\r\n"), DeviceIDString);
puts_P(PSTR("Printer Enumerated.\r\n"));
-
- USB_HostState = HOST_STATE_Ready;
+
+ USB_HostState = HOST_STATE_Configured;
break;
- case HOST_STATE_Ready:
+ case HOST_STATE_Configured:
/* Indicate device busy via the status LEDs */
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);