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return WCID GUID only for gs_usb interface, not for the dfu one

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This commit is contained in:
Hubert Denkmair 2016-05-01 17:55:46 +02:00
parent bc4672a174
commit edd477101c
1 changed files with 7 additions and 4 deletions
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11
src/usbd_gs_can.c
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@ -492,10 +492,13 @@ bool USBD_GS_CAN_CustomDeviceRequest(USBD_HandleTypeDef *pdev, USBD_SetupReqType
return true;
case 0x0005:
pbuf = USBD_MS_EXT_PROP_FEATURE_DESC;
len = sizeof(USBD_MS_EXT_PROP_FEATURE_DESC);
USBD_CtlSendData(pdev, pbuf, MIN(len, req->wLength));
return true;
if (req->wValue==0) { // only return our GUID for interface #0
pbuf = USBD_MS_EXT_PROP_FEATURE_DESC;
len = sizeof(USBD_MS_EXT_PROP_FEATURE_DESC);
USBD_CtlSendData(pdev, pbuf, MIN(len, req->wLength));
return true;
}
break;
}