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-rw-r--r--Demos/Host/ClassDriver/CDCHost/CDCHost.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/Demos/Host/ClassDriver/CDCHost/CDCHost.c b/Demos/Host/ClassDriver/CDCHost/CDCHost.c
index cf0a9f3ae..7aa8deeee 100644
--- a/Demos/Host/ClassDriver/CDCHost/CDCHost.c
+++ b/Demos/Host/ClassDriver/CDCHost/CDCHost.c
@@ -103,6 +103,13 @@ int main(void)
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
+ if (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))
+ {
+ /* Echo received bytes from the attached device through the USART */
+ while (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))
+ putchar(CDC_Host_ReceiveByte(&VirtualSerial_CDC_Interface));
+ }
+
break;
}