- void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd)
- {
- USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
- uint32_t USBx_BASE = (uint32_t)USBx;
- USB_OTG_EPTypeDef *ep;
- uint32_t i;
- uint32_t ep_intr;
- uint32_t epint;
- uint32_t epnum;
- uint32_t fifoemptymsk;
- uint32_t temp;
- /* ensure that we are in device mode */
- if (USB_GetMode(hpcd->Instance) == USB_OTG_MODE_DEVICE)
- {
- /* avoid spurious interrupt */
- if (__HAL_PCD_IS_INVALID_INTERRUPT(hpcd))
- {
- return;
- }
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_MMIS))
- {
- /* incorrect mode, acknowledge the interrupt */
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_MMIS);
- }
- /* Handle RxQLevel Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_RXFLVL))
- {
- USB_MASK_INTERRUPT(hpcd->Instance, USB_OTG_GINTSTS_RXFLVL);
- temp = USBx->GRXSTSP;
- ep = &hpcd->OUT_ep[temp & USB_OTG_GRXSTSP_EPNUM];
- if (((temp & USB_OTG_GRXSTSP_PKTSTS) >> 17) == STS_DATA_UPDT)
- {
- if ((temp & USB_OTG_GRXSTSP_BCNT) != 0U)
- {
- (void)USB_ReadPacket(USBx, ep->xfer_buff,
- (uint16_t)((temp & USB_OTG_GRXSTSP_BCNT) >> 4));
- ep->xfer_buff += (temp & USB_OTG_GRXSTSP_BCNT) >> 4;
- ep->xfer_count += (temp & USB_OTG_GRXSTSP_BCNT) >> 4;
- }
- }
- else if (((temp & USB_OTG_GRXSTSP_PKTSTS) >> 17) == STS_SETUP_UPDT)
- {
- (void)USB_ReadPacket(USBx, (uint8_t *)hpcd->Setup, 8U);
- ep->xfer_count += (temp & USB_OTG_GRXSTSP_BCNT) >> 4;
- }
- else
- {
- /* ... */
- }
- USB_UNMASK_INTERRUPT(hpcd->Instance, USB_OTG_GINTSTS_RXFLVL);
- }
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_OEPINT))
- {
- epnum = 0U;
- /* Read in the device interrupt bits */
- ep_intr = USB_ReadDevAllOutEpInterrupt(hpcd->Instance);
- while (ep_intr != 0U)
- {
- if ((ep_intr & 0x1U) != 0U)
- {
- epint = USB_ReadDevOutEPInterrupt(hpcd->Instance, (uint8_t)epnum);
- if ((epint & USB_OTG_DOEPINT_XFRC) == USB_OTG_DOEPINT_XFRC)
- {
- CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_XFRC);
- (void)PCD_EP_OutXfrComplete_int(hpcd, epnum);
- }
- if ((epint & USB_OTG_DOEPINT_STUP) == USB_OTG_DOEPINT_STUP)
- {
- CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_STUP);
- /* Class B setup phase done for previous decoded setup */
- (void)PCD_EP_OutSetupPacket_int(hpcd, epnum);
- }
- if ((epint & USB_OTG_DOEPINT_OTEPDIS) == USB_OTG_DOEPINT_OTEPDIS)
- {
- CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_OTEPDIS);
- }
- /* Clear Status Phase Received interrupt */
- if ((epint & USB_OTG_DOEPINT_OTEPSPR) == USB_OTG_DOEPINT_OTEPSPR)
- {
- CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_OTEPSPR);
- }
- /* Clear OUT NAK interrupt */
- if ((epint & USB_OTG_DOEPINT_NAK) == USB_OTG_DOEPINT_NAK)
- {
- CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_NAK);
- }
- }
- epnum++;
- ep_intr >>= 1U;
- }
- }
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_IEPINT))
- {
- /* Read in the device interrupt bits */
- ep_intr = USB_ReadDevAllInEpInterrupt(hpcd->Instance);
- epnum = 0U;
- while (ep_intr != 0U)
- {
- if ((ep_intr & 0x1U) != 0U) /* In ITR */
- {
- epint = USB_ReadDevInEPInterrupt(hpcd->Instance, (uint8_t)epnum);
- if ((epint & USB_OTG_DIEPINT_XFRC) == USB_OTG_DIEPINT_XFRC)
- {
- fifoemptymsk = (uint32_t)(0x1UL << (epnum & EP_ADDR_MSK));
- USBx_DEVICE->DIEPEMPMSK &= ~fifoemptymsk;
- CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_XFRC);
- if (hpcd->Init.dma_enable == 1U)
- {
- hpcd->IN_ep[epnum].xfer_buff += hpcd->IN_ep[epnum].maxpacket;
- /* this is ZLP, so prepare EP0 for next setup */
- if ((epnum == 0U) && (hpcd->IN_ep[epnum].xfer_len == 0U))
- {
- /* prepare to rx more setup packets */
- (void)USB_EP0_OutStart(hpcd->Instance, 1U, (uint8_t *)hpcd->Setup);
- }
- }
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->DataInStageCallback(hpcd, (uint8_t)epnum);
- #else
- HAL_PCD_DataInStageCallback(hpcd, (uint8_t)epnum);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- }
- if ((epint & USB_OTG_DIEPINT_TOC) == USB_OTG_DIEPINT_TOC)
- {
- CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_TOC);
- }
- if ((epint & USB_OTG_DIEPINT_ITTXFE) == USB_OTG_DIEPINT_ITTXFE)
- {
- CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_ITTXFE);
- }
- if ((epint & USB_OTG_DIEPINT_INEPNE) == USB_OTG_DIEPINT_INEPNE)
- {
- CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_INEPNE);
- }
- if ((epint & USB_OTG_DIEPINT_EPDISD) == USB_OTG_DIEPINT_EPDISD)
- {
- CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_EPDISD);
- }
- if ((epint & USB_OTG_DIEPINT_TXFE) == USB_OTG_DIEPINT_TXFE)
- {
- (void)PCD_WriteEmptyTxFifo(hpcd, epnum);
- }
- }
- epnum++;
- ep_intr >>= 1U;
- }
- }
- /* Handle Resume Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_WKUINT))
- {
- /* Clear the Remote Wake-up Signaling */
- USBx_DEVICE->DCTL &= ~USB_OTG_DCTL_RWUSIG;
- if (hpcd->LPM_State == LPM_L1)
- {
- hpcd->LPM_State = LPM_L0;
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->LPMCallback(hpcd, PCD_LPM_L0_ACTIVE);
- #else
- HAL_PCDEx_LPM_Callback(hpcd, PCD_LPM_L0_ACTIVE);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- }
- else
- {
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->ResumeCallback(hpcd);
- #else
- HAL_PCD_ResumeCallback(hpcd);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- }
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_WKUINT);
- }
- /* Handle Suspend Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_USBSUSP))
- {
- if ((USBx_DEVICE->DSTS & USB_OTG_DSTS_SUSPSTS) == USB_OTG_DSTS_SUSPSTS)
- {
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->SuspendCallback(hpcd);
- #else
- HAL_PCD_SuspendCallback(hpcd);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- }
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_USBSUSP);
- }
- #if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx) || defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx)
- /* Handle LPM Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_LPMINT))
- {
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_LPMINT);
- if (hpcd->LPM_State == LPM_L0)
- {
- hpcd->LPM_State = LPM_L1;
- hpcd->BESL = (hpcd->Instance->GLPMCFG & USB_OTG_GLPMCFG_BESL) >> 2U;
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->LPMCallback(hpcd, PCD_LPM_L1_ACTIVE);
- #else
- HAL_PCDEx_LPM_Callback(hpcd, PCD_LPM_L1_ACTIVE);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- }
- else
- {
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->SuspendCallback(hpcd);
- #else
- HAL_PCD_SuspendCallback(hpcd);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- }
- }
- #endif /* defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx) || defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx) */
- /* Handle Reset Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_USBRST))
- {
- USBx_DEVICE->DCTL &= ~USB_OTG_DCTL_RWUSIG;
- (void)USB_FlushTxFifo(hpcd->Instance, 0x10U);
- for (i = 0U; i < hpcd->Init.dev_endpoints; i++)
- {
- USBx_INEP(i)->DIEPINT = 0xFB7FU;
- USBx_INEP(i)->DIEPCTL &= ~USB_OTG_DIEPCTL_STALL;
- USBx_INEP(i)->DIEPCTL |= USB_OTG_DIEPCTL_SNAK;
- USBx_OUTEP(i)->DOEPINT = 0xFB7FU;
- USBx_OUTEP(i)->DOEPCTL &= ~USB_OTG_DOEPCTL_STALL;
- USBx_OUTEP(i)->DOEPCTL |= USB_OTG_DOEPCTL_SNAK;
- }
- USBx_DEVICE->DAINTMSK |= 0x10001U;
- if (hpcd->Init.use_dedicated_ep1 != 0U)
- {
- USBx_DEVICE->DOUTEP1MSK |= USB_OTG_DOEPMSK_STUPM |
- USB_OTG_DOEPMSK_XFRCM |
- USB_OTG_DOEPMSK_EPDM;
- USBx_DEVICE->DINEP1MSK |= USB_OTG_DIEPMSK_TOM |
- USB_OTG_DIEPMSK_XFRCM |
- USB_OTG_DIEPMSK_EPDM;
- }
- else
- {
- USBx_DEVICE->DOEPMSK |= USB_OTG_DOEPMSK_STUPM |
- USB_OTG_DOEPMSK_XFRCM |
- USB_OTG_DOEPMSK_EPDM |
- USB_OTG_DOEPMSK_OTEPSPRM |
- USB_OTG_DOEPMSK_NAKM;
- USBx_DEVICE->DIEPMSK |= USB_OTG_DIEPMSK_TOM |
- USB_OTG_DIEPMSK_XFRCM |
- USB_OTG_DIEPMSK_EPDM;
- }
- /* Set Default Address to 0 */
- USBx_DEVICE->DCFG &= ~USB_OTG_DCFG_DAD;
- /* setup EP0 to receive SETUP packets */
- (void)USB_EP0_OutStart(hpcd->Instance, (uint8_t)hpcd->Init.dma_enable,
- (uint8_t *)hpcd->Setup);
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_USBRST);
- }
- /* Handle Enumeration done Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_ENUMDNE))
- {
- (void)USB_ActivateSetup(hpcd->Instance);
- hpcd->Init.speed = USB_GetDevSpeed(hpcd->Instance);
- /* Set USB Turnaround time */
- (void)USB_SetTurnaroundTime(hpcd->Instance,
- HAL_RCC_GetHCLKFreq(),
- (uint8_t)hpcd->Init.speed);
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->ResetCallback(hpcd);
- #else
- HAL_PCD_ResetCallback(hpcd);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_ENUMDNE);
- }
- /* Handle SOF Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_SOF))
- {
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->SOFCallback(hpcd);
- #else
- HAL_PCD_SOFCallback(hpcd);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_SOF);
- }
- /* Handle Incomplete ISO IN Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_IISOIXFR))
- {
- /* Keep application checking the corresponding Iso IN endpoint
- causing the incomplete Interrupt */
- epnum = 0U;
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->ISOINIncompleteCallback(hpcd, (uint8_t)epnum);
- #else
- HAL_PCD_ISOINIncompleteCallback(hpcd, (uint8_t)epnum);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_IISOIXFR);
- }
- /* Handle Incomplete ISO OUT Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_PXFR_INCOMPISOOUT))
- {
- /* Keep application checking the corresponding Iso OUT endpoint
- causing the incomplete Interrupt */
- epnum = 0U;
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->ISOOUTIncompleteCallback(hpcd, (uint8_t)epnum);
- #else
- HAL_PCD_ISOOUTIncompleteCallback(hpcd, (uint8_t)epnum);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_PXFR_INCOMPISOOUT);
- }
- /* Handle Connection event Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_SRQINT))
- {
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->ConnectCallback(hpcd);
- #else
- HAL_PCD_ConnectCallback(hpcd);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_SRQINT);
- }
- /* Handle Disconnection event Interrupt */
- if (__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_OTGINT))
- {
- temp = hpcd->Instance->GOTGINT;
- if ((temp & USB_OTG_GOTGINT_SEDET) == USB_OTG_GOTGINT_SEDET)
- {
- #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
- hpcd->DisconnectCallback(hpcd);
- #else
- HAL_PCD_DisconnectCallback(hpcd);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
- }
- hpcd->Instance->GOTGINT |= temp;
- }
- }
- }