/******************** (C) COPYRIGHT 2010 STMicroelectronics ********************
* File Name          : usb_istr.c
* Author             : MCD Application Team
* Version            : V3.2.1
* Date               : 07/05/2010
* Description        : ISTR events interrupt service routines
********************************************************************************
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
#include "pios.h"
#include "pios_usb_hid_pwr.h"
#include "pios_usb_hid_istr.h"
#include "pios_usb_hid.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
__IO uint16_t wIstr;		/* ISTR register last read value */
__IO uint8_t bIntPackSOF = 0;	/* SOFs received between 2 consecutive packets */

/* Extern variables ----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/* function pointers to non-control endpoints service routines */
void (*pEpInt_IN[7]) (void) = {
PIOS_USB_HID_EP1_IN_Callback, EP2_IN_Callback, EP3_IN_Callback, EP4_IN_Callback, EP5_IN_Callback, EP6_IN_Callback, EP7_IN_Callback,};

void (*pEpInt_OUT[7]) (void) = {
PIOS_USB_HID_EP1_OUT_Callback, EP2_OUT_Callback, EP3_OUT_Callback, EP4_OUT_Callback, EP5_OUT_Callback, EP6_OUT_Callback, EP7_OUT_Callback,};

#ifndef STM32F10X_CL

/*******************************************************************************
* Function Name  : USB_Istr
* Description    : STR events interrupt service routine
* Input          :
* Output         :
* Return         :
*******************************************************************************/
void USB_LP_CAN1_RX0_IRQHandler(void)	//USB_Istr(void)
{

	wIstr = _GetISTR();

#if (IMR_MSK & ISTR_CTR)
	if (wIstr & ISTR_CTR & wInterrupt_Mask) {
		/* servicing of the endpoint correct transfer interrupt */
		/* clear of the CTR flag into the sub */
		CTR_LP();
#ifdef CTR_CALLBACK
		CTR_Callback();
#endif
	}
#endif
  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if (IMR_MSK & ISTR_RESET)
	if (wIstr & ISTR_RESET & wInterrupt_Mask) {
		_SetISTR((uint16_t) CLR_RESET);
		Device_Property.Reset();
#ifdef RESET_CALLBACK
		RESET_Callback();
#endif
	}
#endif
  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if (IMR_MSK & ISTR_DOVR)
	if (wIstr & ISTR_DOVR & wInterrupt_Mask) {
		_SetISTR((uint16_t) CLR_DOVR);
#ifdef DOVR_CALLBACK
		DOVR_Callback();
#endif
	}
#endif
  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if (IMR_MSK & ISTR_ERR)
	if (wIstr & ISTR_ERR & wInterrupt_Mask) {
		_SetISTR((uint16_t) CLR_ERR);
#ifdef ERR_CALLBACK
		ERR_Callback();
#endif
	}
#endif
  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if (IMR_MSK & ISTR_WKUP)
	if (wIstr & ISTR_WKUP & wInterrupt_Mask) {
		_SetISTR((uint16_t) CLR_WKUP);
		Resume(RESUME_EXTERNAL);
#ifdef WKUP_CALLBACK
		WKUP_Callback();
#endif
	}
#endif
  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if (IMR_MSK & ISTR_SUSP)
	if (wIstr & ISTR_SUSP & wInterrupt_Mask) {

		/* check if SUSPEND is possible */
		if (fSuspendEnabled) {
			Suspend();
		} else {
			/* if not possible then resume after xx ms */
			Resume(RESUME_LATER);
		}
		/* clear of the ISTR bit must be done after setting of CNTR_FSUSP */
		_SetISTR((uint16_t) CLR_SUSP);
#ifdef SUSP_CALLBACK
		SUSP_Callback();
#endif
	}
#endif
  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if (IMR_MSK & ISTR_SOF)
	if (wIstr & ISTR_SOF & wInterrupt_Mask) {
		_SetISTR((uint16_t) CLR_SOF);
		bIntPackSOF++;

#ifdef SOF_CALLBACK
		SOF_Callback();
#endif
	}
#endif
  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#if (IMR_MSK & ISTR_ESOF)
	if (wIstr & ISTR_ESOF & wInterrupt_Mask) {
		_SetISTR((uint16_t) CLR_ESOF);
		/* resume handling timing is made with ESOFs */
		Resume(RESUME_ESOF);	/* request without change of the machine state */

#ifdef ESOF_CALLBACK
		ESOF_Callback();
#endif
	}
#endif
}				/* USB_Istr */

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
#else /* STM32F10X_CL */

/*******************************************************************************
* Function Name  : STM32_PCD_OTG_ISR_Handler
* Description    : Handles all USB Device Interrupts
* Input          : None
* Output         : None
* Return         : status
*******************************************************************************/
u32 STM32_PCD_OTG_ISR_Handler(void)
{
	USB_OTG_GINTSTS_TypeDef gintr_status;
	u32 retval = 0;

	if (USBD_FS_IsDeviceMode()) {	/* ensure that we are in device mode */
		gintr_status.d32 = OTGD_FS_ReadCoreItr();

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/

		/* If there is no interrupt pending exit the interrupt routine */
		if (!gintr_status.d32) {
			return 0;
		}

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Early Suspend interrupt */
#ifdef INTR_ERLYSUSPEND
		if (gintr_status.b.erlysuspend) {
			retval |= OTGD_FS_Handle_EarlySuspend_ISR();
		}
#endif /* INTR_ERLYSUSPEND */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* End of Periodic Frame interrupt */
#ifdef INTR_EOPFRAME
		if (gintr_status.b.eopframe) {
			retval |= OTGD_FS_Handle_EOPF_ISR();
		}
#endif /* INTR_EOPFRAME */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Non Periodic Tx FIFO Emty interrupt */
#ifdef INTR_NPTXFEMPTY
		if (gintr_status.b.nptxfempty) {
			retval |= OTGD_FS_Handle_NPTxFE_ISR();
		}
#endif /* INTR_NPTXFEMPTY */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Wakeup or RemoteWakeup interrupt */
#ifdef INTR_WKUPINTR
		if (gintr_status.b.wkupintr) {
			retval |= OTGD_FS_Handle_Wakeup_ISR();
		}
#endif /* INTR_WKUPINTR */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Suspend interrupt */
#ifdef INTR_USBSUSPEND
		if (gintr_status.b.usbsuspend) {
			/* check if SUSPEND is possible */
			if (fSuspendEnabled) {
				Suspend();
			} else {
				/* if not possible then resume after xx ms */
				Resume(RESUME_LATER);	/* This case shouldn't happen in OTG Device mode because 
							   there's no ESOF interrupt to increment the ResumeS.bESOFcnt in the Resume state machine */
			}

			retval |= OTGD_FS_Handle_USBSuspend_ISR();
		}
#endif /* INTR_USBSUSPEND */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Start of Frame interrupt */
#ifdef INTR_SOFINTR
		if (gintr_status.b.sofintr) {
			/* Update the frame number variable */
			bIntPackSOF++;

			retval |= OTGD_FS_Handle_Sof_ISR();
		}
#endif /* INTR_SOFINTR */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Receive FIFO Queue Status Level interrupt */
#ifdef INTR_RXSTSQLVL
		if (gintr_status.b.rxstsqlvl) {
			retval |= OTGD_FS_Handle_RxStatusQueueLevel_ISR();
		}
#endif /* INTR_RXSTSQLVL */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Enumeration Done interrupt */
#ifdef INTR_ENUMDONE
		if (gintr_status.b.enumdone) {
			retval |= OTGD_FS_Handle_EnumDone_ISR();
		}
#endif /* INTR_ENUMDONE */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Reset interrutp */
#ifdef INTR_USBRESET
		if (gintr_status.b.usbreset) {
			retval |= OTGD_FS_Handle_UsbReset_ISR();
		}
#endif /* INTR_USBRESET */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* IN Endpoint interrupt */
#ifdef INTR_INEPINTR
		if (gintr_status.b.inepint) {
			retval |= OTGD_FS_Handle_InEP_ISR();
		}
#endif /* INTR_INEPINTR */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* OUT Endpoint interrupt */
#ifdef INTR_OUTEPINTR
		if (gintr_status.b.outepintr) {
			retval |= OTGD_FS_Handle_OutEP_ISR();
		}
#endif /* INTR_OUTEPINTR */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Mode Mismatch interrupt */
#ifdef INTR_MODEMISMATCH
		if (gintr_status.b.modemismatch) {
			retval |= OTGD_FS_Handle_ModeMismatch_ISR();
		}
#endif /* INTR_MODEMISMATCH */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Global IN Endpoints NAK Effective interrupt */
#ifdef INTR_GINNAKEFF
		if (gintr_status.b.ginnakeff) {
			retval |= OTGD_FS_Handle_GInNakEff_ISR();
		}
#endif /* INTR_GINNAKEFF */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Global OUT Endpoints NAK effective interrupt */
#ifdef INTR_GOUTNAKEFF
		if (gintr_status.b.goutnakeff) {
			retval |= OTGD_FS_Handle_GOutNakEff_ISR();
		}
#endif /* INTR_GOUTNAKEFF */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Isochrounous Out packet Dropped interrupt */
#ifdef INTR_ISOOUTDROP
		if (gintr_status.b.isooutdrop) {
			retval |= OTGD_FS_Handle_IsoOutDrop_ISR();
		}
#endif /* INTR_ISOOUTDROP */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Endpoint Mismatch error interrupt */
#ifdef INTR_EPMISMATCH
		if (gintr_status.b.epmismatch) {
			retval |= OTGD_FS_Handle_EPMismatch_ISR();
		}
#endif /* INTR_EPMISMATCH */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Incomplete Isochrous IN tranfer error interrupt */
#ifdef INTR_INCOMPLISOIN
		if (gintr_status.b.incomplisoin) {
			retval |= OTGD_FS_Handle_IncomplIsoIn_ISR();
		}
#endif /* INTR_INCOMPLISOIN */

   /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
		/* Incomplete Isochrous OUT tranfer error interrupt */
#ifdef INTR_INCOMPLISOOUT
		if (gintr_status.b.outepintr) {
			retval |= OTGD_FS_Handle_IncomplIsoOut_ISR();
		}
#endif /* INTR_INCOMPLISOOUT */

	}
	return retval;
}

#endif /* STM32F10X_CL */

/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/