/**
* @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);
}
}