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Diffstat (limited to 'Demos/Device/LowLevel/GenericHID/GenericHID.c')
-rw-r--r--Demos/Device/LowLevel/GenericHID/GenericHID.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/Demos/Device/LowLevel/GenericHID/GenericHID.c b/Demos/Device/LowLevel/GenericHID/GenericHID.c
index 5c6d1ee470..34c991f12f 100644
--- a/Demos/Device/LowLevel/GenericHID/GenericHID.c
+++ b/Demos/Device/LowLevel/GenericHID/GenericHID.c
@@ -148,7 +148,11 @@ void EVENT_USB_UnhandledControlPacket(void)
Endpoint_ClearSETUP();
/* Wait until the generic report has been sent by the host */
- while (!(Endpoint_IsOUTReceived()));
+ while (!(Endpoint_IsOUTReceived()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return;
+ }
Endpoint_Read_Control_Stream_LE(&GenericData, sizeof(GenericData));
@@ -158,7 +162,11 @@ void EVENT_USB_UnhandledControlPacket(void)
Endpoint_ClearOUT();
/* Wait until the host is ready to receive the request confirmation */
- while (!(Endpoint_IsINReady()));
+ while (!(Endpoint_IsINReady()))
+ {
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return;
+ }
/* Handshake the request by sending an empty IN packet */
Endpoint_ClearIN();
@@ -203,7 +211,7 @@ void CreateGenericHIDReport(uint8_t* DataArray)
void HID_Task(void)
{
/* Device must be connected and configured for the task to run */
- if (!(USB_IsConnected) || !(USB_ConfigurationNumber))
+ if (USB_DeviceState != DEVICE_STATE_Configured)
return;
Endpoint_SelectEndpoint(GENERIC_OUT_EPNUM);