INNER CODE UNIT · C

dfu_control

dmitrystu/sboot_stm32 · src/bootloader.c:225

static usbd_respond dfu_control (usbd_device *dev, usbd_ctlreq *req, usbd_rqc_callback *callback) {
    (void)callback;
    if ((req->bmRequestType  & (USB_REQ_TYPE | USB_REQ_RECIPIENT)) == (USB_REQ_STANDARD | USB_REQ_INTERFACE)) {
        switch (req->bRequest) {
        case USB_STD_SET_INTERFACE:
            if (req->wIndex != 0) return usbd_fail;
            switch (req->wValue) {
            case 0: break;
#if defined(_EEPROM_ENABLED)
            case 1: break;
#endif
            default:
                return usbd_fail;
            }
            dfu_data.interface = req->wValue;
            return dfu_set_idle();
        case USB_STD_GET_INTERFACE:
            req->data[0] = dfu_data.interface;

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