/**
* @brief This function handles PCD Endpoint interrupt request.
* @param hpcd: PCD handle
* @retval HAL status
*/
static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd)
{
PCD_EPTypeDef *ep;
uint16_t count=0;
uint8_t EPindex;
__IO uint16_t wIstr;
__IO uint16_t wEPVal = 0;
/* stay in loop while pending interrupts */
while (((wIstr = hpcd->Instance->ISTR) & USB_ISTR_CTR) != 0)
{
/* extract highest priority endpoint number */
EPindex = (uint8_t)(wIstr & USB_ISTR_EP_ID);
if (EPindex == 0)
{
/* Decode and service control endpoint interrupt */
/* DIR bit = origin of the interrupt */
if ((wIstr & USB_ISTR_DIR) == 0)
{
/* DIR = 0 */
/* DIR = 0 => IN int */
/* DIR = 0 implies that (EP_CTR_TX = 1) always */
PCD_CLEAR_TX_EP_CTR(hpcd->Instance, PCD_ENDP0);
ep = &hpcd->IN_ep[0];
ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
ep->xfer_buff += ep->xfer_count;
/* TX COMPLETE */
HAL_PCD_DataInStageCallback(hpcd, 0);
if((hpcd->USB_Address > 0)&& ( ep->xfer_len == 0))
{
hpcd->Instance->DADDR = (hpcd->USB_Address | USB_DADDR_EF);
hpcd->USB_Address = 0;
}
}
else
{
/* DIR = 1 */
/* DIR = 1 & CTR_RX => SETUP or OUT int */
/* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */
ep = &hpcd->OUT_ep[0];
wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, PCD_ENDP0);
if ((wEPVal & USB_EP_SETUP) != 0)
{
/* Get SETUP Packet*/
ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
PCD_ReadPMA(hpcd->Instance, (uint8_t*)hpcd->Setup ,ep->pmaadress , ep->xfer_count);
/* SETUP bit kept frozen while CTR_RX = 1*/
PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0);
/* Process SETUP Packet*/
HAL_PCD_SetupStageCallback(hpcd);
}
else if ((wEPVal & USB_EP_CTR_RX) != 0)
{
PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0);
/* Get Control Data OUT Packet*/
ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
if (ep->xfer_count != 0)
{
PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count);
ep->xfer_buff+=ep->xfer_count;
}
/* Process Control Data OUT Packet*/
HAL_PCD_DataOutStageCallback(hpcd, 0);
PCD_SET_EP_RX_CNT(hpcd->Instance, PCD_ENDP0, ep->maxpacket);
PCD_SET_EP_RX_STATUS(hpcd->Instance, PCD_ENDP0, USB_EP_RX_VALID);
}
}
}
else
{
/* Decode and service non control endpoints interrupt */
/* process related endpoint register */
wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, EPindex);
if ((wEPVal & USB_EP_CTR_RX) != 0)
{
/* clear int flag */
PCD_CLEAR_RX_EP_CTR(hpcd->Instance, EPindex);
ep = &hpcd->OUT_ep[EPindex];
/* OUT double Buffering*/
if (ep->doublebuffer == 0)
{
count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
if (count != 0)
{
PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, count);
}
}
else
{
if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num) & USB_EP_DTOG_RX)
{
/*read from endpoint BUF0Addr buffer*/
count = PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
if (count != 0)
{
PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, count);
}
}
else
{
/*read from endpoint BUF1Addr buffer*/
count = PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
if (count != 0)
{
PCD_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, count);
}
}
PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_OUT);
}
/*multi-packet on the NON control OUT endpoint*/
ep->xfer_count+=count;
ep->xfer_buff+=count;
if ((ep->xfer_len == 0) || (count < ep->maxpacket))
{
/* RX COMPLETE */
HAL_PCD_DataOutStageCallback(hpcd, ep->num);
}
else
{
HAL_PCD_EP_Receive(hpcd, ep->num, ep->xfer_buff, ep->xfer_len);
}
} /* if((wEPVal & EP_CTR_RX) */
if ((wEPVal & USB_EP_CTR_TX) != 0)
{
ep = &hpcd->IN_ep[EPindex];
/* clear int flag */
PCD_CLEAR_TX_EP_CTR(hpcd->Instance, EPindex);
/* IN double Buffering*/
if (ep->doublebuffer == 0)
{
ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
if (ep->xfer_count != 0)
{
PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, ep->xfer_count);
}
}
else
{
if (PCD_GET_ENDPOINT(hpcd->Instance, ep->num) & USB_EP_DTOG_TX)
{
/*read from endpoint BUF0Addr buffer*/
ep->xfer_count = PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
if (ep->xfer_count != 0)
{
PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, ep->xfer_count);
}
}
else
{
/*read from endpoint BUF1Addr buffer*/
ep->xfer_count = PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
if (ep->xfer_count != 0)
{
PCD_WritePMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, ep->xfer_count);
}
}
PCD_FreeUserBuffer(hpcd->Instance, ep->num, PCD_EP_DBUF_IN);
}
/*multi-packet on the NON control IN endpoint*/
ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
ep->xfer_buff+=ep->xfer_count;
/* Zero Length Packet? */
if (ep->xfer_len == 0)
{
/* TX COMPLETE */
HAL_PCD_DataInStageCallback(hpcd, ep->num);
}
else
{
HAL_PCD_EP_Transmit(hpcd, ep->num, ep->xfer_buff, ep->xfer_len);
}
}
}
}
return HAL_OK;
}
/**
* @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);
}
}
