/******************************************************************************* * Function Name : OTGD_FS_Handle_InEP_ISR * Description : Handles all IN endpoints interrupts. * Output : None * Return : status *******************************************************************************/ uint32_t OTGD_FS_Handle_InEP_ISR(void) { USB_OTG_DIEPINTx_TypeDef diepint; uint32_t ep_intr = 0; uint32_t epnum = 0; USB_OTG_EP *ep; uint32_t fifoemptymsk = 0; diepint.d32 = 0; ep_intr = OTGD_FS_ReadDevAllInEPItr(); while ( ep_intr ) { if (ep_intr&0x1) /* In ITR */ { ep = PCD_GetInEP(epnum); diepint.d32 = PCD_ReadDevInEP(ep); /* Get In ITR status */ if ( diepint.b.xfercompl ) { fifoemptymsk = 0x1 << ep->num; USB_OTG_MODIFY_REG32(&USB_OTG_FS_regs.DEV->DIEPEMPMSK, fifoemptymsk, 0); /* Clear the Interrupt flag */ CLEAR_IN_EP_INTR(epnum, xfercompl); if (epnum == 0) { /* Call the core IN process for EP0 */ In0_Process(); /* before terminate set Tx & Rx status */ OTG_DEV_SetEPRxStatus(epnum, SaveRState); OTG_DEV_SetEPTxStatus(epnum, SaveTState); } else { /* Call the relative IN endpoint callback */ (*pEpInt_IN[epnum -1])(); } } if ( diepint.b.timeout ) { CLEAR_IN_EP_INTR(epnum, timeout); } if (diepint.b.intktxfemp) { CLEAR_IN_EP_INTR(epnum, intktxfemp); } if (diepint.b.inepnakeff) { CLEAR_IN_EP_INTR(epnum, inepnakeff); } if (diepint.b.txfempty) { if ((epnum == 0) || (OTG_DEV_GetEPTxStatus(epnum) == DEV_EP_TX_VALID)) { PCD_WriteEmptyTxFifo(epnum); } CLEAR_IN_EP_INTR(epnum, txfempty); } if ( diepint.b.epdis) { /* Reset Endpoint Frame ID to 0 */ ep->even_odd_frame = 0; CLEAR_IN_EP_INTR(epnum, epdis); } } epnum++; ep_intr >>= 1; } /* Call user function */ INTR_INEPINTR_Callback(); return 1; }
/** * @brief This function handles PCD interrupt request. * @param hpcd: PCD handle * @retval HAL status */ void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd) { USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; uint32_t i = 0, ep_intr = 0, epint = 0, epnum = 0; uint32_t fifoemptymsk = 0, temp = 0; USB_OTG_EPTypeDef *ep; /* 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); } if(__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_OEPINT)) { epnum = 0; /* Read in the device interrupt bits */ ep_intr = USB_ReadDevAllOutEpInterrupt(hpcd->Instance); while ( ep_intr ) { if (ep_intr & 0x1) { epint = USB_ReadDevOutEPInterrupt(hpcd->Instance, epnum); if(( epint & USB_OTG_DOEPINT_XFRC) == USB_OTG_DOEPINT_XFRC) { CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_XFRC); if(hpcd->Init.dma_enable == 1) { hpcd->OUT_ep[epnum].xfer_count = hpcd->OUT_ep[epnum].maxpacket- (USBx_OUTEP(epnum)->DOEPTSIZ & USB_OTG_DOEPTSIZ_XFRSIZ); hpcd->OUT_ep[epnum].xfer_buff += hpcd->OUT_ep[epnum].maxpacket; } HAL_PCD_DataOutStageCallback(hpcd, epnum); if(hpcd->Init.dma_enable == 1) { if((epnum == 0) && (hpcd->OUT_ep[epnum].xfer_len == 0)) { /* this is ZLP, so prepare EP0 for next setup */ USB_EP0_OutStart(hpcd->Instance, 1, (uint8_t *)hpcd->Setup); } } } if(( epint & USB_OTG_DOEPINT_STUP) == USB_OTG_DOEPINT_STUP) { /* Inform the upper layer that a setup packet is available */ HAL_PCD_SetupStageCallback(hpcd); CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_STUP); } if(( epint & USB_OTG_DOEPINT_OTEPDIS) == USB_OTG_DOEPINT_OTEPDIS) { CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_OTEPDIS); } } epnum++; ep_intr >>= 1; } } if(__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_IEPINT)) { /* Read in the device interrupt bits */ ep_intr = USB_ReadDevAllInEpInterrupt(hpcd->Instance); epnum = 0; while ( ep_intr ) { if (ep_intr & 0x1) /* In ITR */ { epint = USB_ReadDevInEPInterrupt(hpcd->Instance, epnum); if(( epint & USB_OTG_DIEPINT_XFRC) == USB_OTG_DIEPINT_XFRC) { fifoemptymsk = 0x1 << epnum; USBx_DEVICE->DIEPEMPMSK &= ~fifoemptymsk; CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_XFRC); if (hpcd->Init.dma_enable == 1) { hpcd->IN_ep[epnum].xfer_buff += hpcd->IN_ep[epnum].maxpacket; } HAL_PCD_DataInStageCallback(hpcd, epnum); if (hpcd->Init.dma_enable == 1) { /* this is ZLP, so prepare EP0 for next setup */ if((epnum == 0) && (hpcd->IN_ep[epnum].xfer_len == 0)) { /* prepare to rx more setup packets */ USB_EP0_OutStart(hpcd->Instance, 1, (uint8_t *)hpcd->Setup); } } } 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) { PCD_WriteEmptyTxFifo(hpcd , epnum); } } epnum++; ep_intr >>= 1; } } /* 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; HAL_PCDEx_LPM_Callback(hpcd, PCD_LPM_L0_ACTIVE); } else { HAL_PCD_ResumeCallback(hpcd); } __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) { HAL_PCD_SuspendCallback(hpcd); } __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_USBSUSP); } /* 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) >>2 ; HAL_PCDEx_LPM_Callback(hpcd, PCD_LPM_L1_ACTIVE); } else { HAL_PCD_SuspendCallback(hpcd); } }
/** * @brief Handles PCD interrupt request. * @param hpcd: PCD handle * @retval HAL status */ void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd) { USB_OTG_GlobalTypeDef *USBx = hpcd->Instance; uint32_t index = 0U, ep_intr = 0U, epint = 0U, epnum = 0U; uint32_t fifoemptymsk = 0U, temp = 0U; USB_OTG_EPTypeDef *ep = NULL; uint32_t hclk = 80000000; /* 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); } if(__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_OEPINT)) { epnum = 0; /* Read in the device interrupt bits */ ep_intr = USB_ReadDevAllOutEpInterrupt(hpcd->Instance); while (ep_intr) { if (ep_intr & 0x1) { epint = USB_ReadDevOutEPInterrupt(hpcd->Instance, epnum); if (( epint & USB_OTG_DOEPINT_XFRC) == USB_OTG_DOEPINT_XFRC) { CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_XFRC); /* setup/out transaction management for Core ID 310A */ if (USBx->GSNPSID == USB_OTG_CORE_ID_310A) { if (!(USBx_OUTEP(0)->DOEPINT & (0x1 << 15))) { if (hpcd->Init.dma_enable == 1) { hpcd->OUT_ep[epnum].xfer_count = hpcd->OUT_ep[epnum].maxpacket - (USBx_OUTEP(epnum)->DOEPTSIZ & USB_OTG_DOEPTSIZ_XFRSIZ); hpcd->OUT_ep[epnum].xfer_buff += hpcd->OUT_ep[epnum].maxpacket; } HAL_PCD_DataOutStageCallback(hpcd, epnum); if (hpcd->Init.dma_enable == 1) { if (!epnum && !hpcd->OUT_ep[epnum].xfer_len) { /* this is ZLP, so prepare EP0 for next setup */ USB_EP0_OutStart(hpcd->Instance, 1, (uint8_t *)hpcd->Setup); } } } /* Clear the SetPktRcvd flag*/ USBx_OUTEP(0)->DOEPINT |= (0x1 << 15) | (0x1 << 5); } else { if (hpcd->Init.dma_enable == 1) { hpcd->OUT_ep[epnum].xfer_count = hpcd->OUT_ep[epnum].maxpacket - (USBx_OUTEP(epnum)->DOEPTSIZ & USB_OTG_DOEPTSIZ_XFRSIZ); hpcd->OUT_ep[epnum].xfer_buff += hpcd->OUT_ep[epnum].maxpacket; } HAL_PCD_DataOutStageCallback(hpcd, epnum); if (hpcd->Init.dma_enable == 1) { if (!epnum && !hpcd->OUT_ep[epnum].xfer_len) { /* this is ZLP, so prepare EP0 for next setup */ USB_EP0_OutStart(hpcd->Instance, 1, (uint8_t *)hpcd->Setup); } } } } if(( epint & USB_OTG_DOEPINT_STUP) == USB_OTG_DOEPINT_STUP) { /* Inform the upper layer that a setup packet is available */ HAL_PCD_SetupStageCallback(hpcd); CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_STUP); } if(( epint & USB_OTG_DOEPINT_OTEPDIS) == USB_OTG_DOEPINT_OTEPDIS) { CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_OTEPDIS); } #ifdef USB_OTG_DOEPINT_OTEPSPR /* Clear Status Phase Received interrupt */ if(( epint & USB_OTG_DOEPINT_OTEPSPR) == USB_OTG_DOEPINT_OTEPSPR) { CLEAR_OUT_EP_INTR(epnum, USB_OTG_DOEPINT_OTEPSPR); } #endif /* USB_OTG_DOEPINT_OTEPSPR */ } epnum++; ep_intr >>= 1; } } if(__HAL_PCD_GET_FLAG(hpcd, USB_OTG_GINTSTS_IEPINT)) { /* Read in the device interrupt bits */ ep_intr = USB_ReadDevAllInEpInterrupt(hpcd->Instance); epnum = 0; while ( ep_intr ) { if (ep_intr & 0x1) /* In ITR */ { epint = USB_ReadDevInEPInterrupt(hpcd->Instance, epnum); if(( epint & USB_OTG_DIEPINT_XFRC) == USB_OTG_DIEPINT_XFRC) { fifoemptymsk = 0x1 << epnum; // Added for MBED PR #3062 atomic_clr_u32(&USBx_DEVICE->DIEPEMPMSK, fifoemptymsk); CLEAR_IN_EP_INTR(epnum, USB_OTG_DIEPINT_XFRC); if (hpcd->Init.dma_enable == 1) { hpcd->IN_ep[epnum].xfer_buff += hpcd->IN_ep[epnum].maxpacket; } HAL_PCD_DataInStageCallback(hpcd, epnum); if (hpcd->Init.dma_enable == 1) { /* this is ZLP, so prepare EP0 for next setup */ if((epnum == 0) && (hpcd->IN_ep[epnum].xfer_len == 0)) { /* prepare to rx more setup packets */ USB_EP0_OutStart(hpcd->Instance, 1, (uint8_t *)hpcd->Setup); } } } 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) { PCD_WriteEmptyTxFifo(hpcd , epnum); } } epnum++; ep_intr >>= 1; } } /* 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; HAL_PCDEx_LPM_Callback(hpcd, PCD_LPM_L0_ACTIVE); } else { HAL_PCD_ResumeCallback(hpcd); } __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) { HAL_PCD_SuspendCallback(hpcd); } __HAL_PCD_CLEAR_FLAG(hpcd, USB_OTG_GINTSTS_USBSUSP); } /* 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) >>2 ; HAL_PCDEx_LPM_Callback(hpcd, PCD_LPM_L1_ACTIVE); } else { HAL_PCD_SuspendCallback(hpcd); } }