UCDC_SET_LINE_CODING
(req->bRequest == UCDC_SET_LINE_CODING) &&
req.bRequest = UCDC_SET_LINE_CODING;
(req->bRequest == UCDC_SET_LINE_CODING) &&
req.bRequest = UCDC_SET_LINE_CODING;
req.bRequest = UCDC_SET_LINE_CODING;
setup.bRequest = UCDC_SET_LINE_CODING;