USB_HID_REPORT_TYPE_FEATURE 84 uspace/drv/hid/usbhid/blink1/blink1.c USB_HID_REPORT_TYPE_FEATURE, (uint8_t *) &report, sizeof(report)); USB_HID_REPORT_TYPE_FEATURE 423 uspace/lib/usbhid/src/hiddescriptor.c USB_HID_REPORT_TYPE_FEATURE;HelenOS homepage, sources at GitHub