2705     uint32_t currentFrame;  in USB_HostEhciLinkSitd()  local
2716 …    currentFrame = ((ehciInstance->ehciIpBase->FRINDEX & USB_HOST_EHCI_MAX_MICRFRAME_VALUE) >> 3U);  in USB_HostEhciLinkSitd()
2717         currentFrame = ((uint32_t)(currentFrame + USB_HOST_EHCI_ISO_BOUNCE_FRAME_NUMBER) &  in USB_HostEhciLinkSitd()
2720         if (currentFrame <= ehciPipePointer->startFrame)  in USB_HostEhciLinkSitd()
2722             currentFrame = ehciPipePointer->startFrame;  in USB_HostEhciLinkSitd()
2726             currentFrame -= ehciPipePointer->startFrame;  in USB_HostEhciLinkSitd()
2727             currentFrame = ((currentFrame + frameInterval - 1U) & (~(frameInterval - 1U)));  in USB_HostEhciLinkSitd()
2728             currentFrame += ehciPipePointer->startFrame;  in USB_HostEhciLinkSitd()
2738 …    currentFrame = ((ehciInstance->ehciIpBase->FRINDEX & USB_HOST_EHCI_MAX_MICRFRAME_VALUE) >> 3U);  in USB_HostEhciLinkSitd()
2740             ((shouldLinkFrame + (USB_HOST_EHCI_MAX_MICRFRAME_VALUE >> 3U) + 1U - currentFrame) &  in USB_HostEhciLinkSitd()
2748             currentFrame = shouldLinkFrame;  in USB_HostEhciLinkSitd()
2752             currentFrame =  in USB_HostEhciLinkSitd()
2753 …((currentFrame + USB_HOST_EHCI_ISO_BOUNCE_FRAME_NUMBER) & (USB_HOST_EHCI_MAX_MICRFRAME_VALUE >> 3)…  in USB_HostEhciLinkSitd()
2760             if (currentFrame <= ehciPipePointer->startFrame)  in USB_HostEhciLinkSitd()
2762                 currentFrame = ehciPipePointer->startFrame;  in USB_HostEhciLinkSitd()
2766                 currentFrame -= ehciPipePointer->startFrame;  in USB_HostEhciLinkSitd()
2767                 currentFrame = ((currentFrame + frameInterval - 1U) & (~(frameInterval - 1U)));  in USB_HostEhciLinkSitd()
2768                 currentFrame += ehciPipePointer->startFrame;  in USB_HostEhciLinkSitd()
2772     if (currentFrame >= USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE) /* frame turn around */  in USB_HostEhciLinkSitd()
2775 …(currentFrame - USB_HOST_CONFIG_EHCI_FRAME_LIST_SIZE); /* shouldLinkFrame means inserted frame pos…  in USB_HostEhciLinkSitd()
2779         shouldLinkFrame = currentFrame; /* shouldLinkFrame means inserted frame position */  in USB_HostEhciLinkSitd()
2803         currentFrame += frameInterval;  in USB_HostEhciLinkSitd()
2810     if (currentFrame > (USB_HOST_EHCI_MAX_MICRFRAME_VALUE >> 3))  in USB_HostEhciLinkSitd()
2812         currentFrame = currentFrame - ((USB_HOST_EHCI_MAX_MICRFRAME_VALUE >> 3) + 1U);  in USB_HostEhciLinkSitd()
2814     isoPointer->lastLinkFrame = (uint16_t)currentFrame; /* save the last link frame value */  in USB_HostEhciLinkSitd()