Remove unnecessary USB files from stm.

1 files changed, 0 insertions, 858 deletions

diff --git a/stm/lib/usb_hcd_int.c b/stm/lib/usb_hcd_int.c
deleted file mode 100644
index 4fdbe2facb..0000000000
--- a/stm/lib/usb_hcd_int.c
+++ /dev/null
@@ -1,858 +0,0 @@
-/**

-  ******************************************************************************

-  * @file    usb_hcd_int.c

-  * @author  MCD Application Team

-  * @version V2.1.0

-  * @date    19-March-2012

-  * @brief   Host driver interrupt subroutines

-  ******************************************************************************

-  * @attention

-  *

-  * <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>

-  *

-  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");

-  * You may not use this file except in compliance with the License.

-  * You may obtain a copy of the License at:

-  *

-  *        http://www.st.com/software_license_agreement_liberty_v2

-  *

-  * Unless required by applicable law or agreed to in writing, software 

-  * distributed under the License is distributed on an "AS IS" BASIS, 

-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

-  * See the License for the specific language governing permissions and

-  * limitations under the License.

-  *

-  ******************************************************************************

-  */

-

-/* Includes ------------------------------------------------------------------*/

-#include "usb_core.h"

-#include "usb_defines.h"

-#include "usb_hcd_int.h"

-

-#if defined   (__CC_ARM) /*!< ARM Compiler */

-#pragma O0

-#elif defined (__GNUC__) /*!< GNU Compiler */

-#pragma GCC optimize ("O0")

-#elif defined  (__TASKING__) /*!< TASKING Compiler */ 

-#pragma optimize=0                          

-

-#endif /* __CC_ARM */

-

-/** @addtogroup USB_OTG_DRIVER

-* @{

-*/

-

-/** @defgroup USB_HCD_INT 

-* @brief This file contains the interrupt subroutines for the Host mode.

-* @{

-*/

-

-

-/** @defgroup USB_HCD_INT_Private_Defines

-* @{

-*/ 

-/**

-* @}

-*/ 

-

-

-/** @defgroup USB_HCD_INT_Private_TypesDefinitions

-* @{

-*/ 

-/**

-* @}

-*/ 

-

-

-

-/** @defgroup USB_HCD_INT_Private_Macros

-* @{

-*/ 

-/**

-* @}

-*/ 

-

-

-/** @defgroup USB_HCD_INT_Private_Variables

-* @{

-*/ 

-/**

-* @}

-*/ 

-

-

-/** @defgroup USB_HCD_INT_Private_FunctionPrototypes

-* @{

-*/ 

-

-static uint32_t USB_OTG_USBH_handle_sof_ISR(USB_OTG_CORE_HANDLE *pdev);

-static uint32_t USB_OTG_USBH_handle_port_ISR(USB_OTG_CORE_HANDLE *pdev);

-static uint32_t USB_OTG_USBH_handle_hc_ISR (USB_OTG_CORE_HANDLE *pdev);

-static uint32_t USB_OTG_USBH_handle_hc_n_In_ISR (USB_OTG_CORE_HANDLE *pdev ,

-                                                 uint32_t num);

-static uint32_t USB_OTG_USBH_handle_hc_n_Out_ISR (USB_OTG_CORE_HANDLE *pdev , 

-                                                  uint32_t num);

-static uint32_t USB_OTG_USBH_handle_rx_qlvl_ISR (USB_OTG_CORE_HANDLE *pdev);

-static uint32_t USB_OTG_USBH_handle_nptxfempty_ISR (USB_OTG_CORE_HANDLE *pdev);

-static uint32_t USB_OTG_USBH_handle_ptxfempty_ISR (USB_OTG_CORE_HANDLE *pdev);

-static uint32_t USB_OTG_USBH_handle_Disconnect_ISR (USB_OTG_CORE_HANDLE *pdev);

-static uint32_t USB_OTG_USBH_handle_IncompletePeriodicXfer_ISR (USB_OTG_CORE_HANDLE *pdev);

-

-/**

-* @}

-*/ 

-

-

-/** @defgroup USB_HCD_INT_Private_Functions

-* @{

-*/ 

-

-/**

-* @brief  HOST_Handle_ISR 

-*         This function handles all USB Host Interrupts

-* @param  pdev: Selected device

-* @retval status 

-*/

-

-uint32_t USBH_OTG_ISR_Handler (USB_OTG_CORE_HANDLE *pdev)

-{

-  USB_OTG_GINTSTS_TypeDef  gintsts;

-  uint32_t retval = 0;

-  

-  gintsts.d32 = 0;

-  

-  /* Check if HOST Mode */

-  if (USB_OTG_IsHostMode(pdev))

-  {

-    gintsts.d32 = USB_OTG_ReadCoreItr(pdev);

-    if (!gintsts.d32)

-    {

-      return 0;

-    }

-    

-    if (gintsts.b.sofintr)

-    {

-      retval |= USB_OTG_USBH_handle_sof_ISR (pdev);

-    }

-    

-    if (gintsts.b.rxstsqlvl)

-    {

-      retval |= USB_OTG_USBH_handle_rx_qlvl_ISR (pdev);

-    }

-    

-    if (gintsts.b.nptxfempty)

-    {

-      retval |= USB_OTG_USBH_handle_nptxfempty_ISR (pdev);

-    }

-    

-    if (gintsts.b.ptxfempty)

-    {

-      retval |= USB_OTG_USBH_handle_ptxfempty_ISR (pdev);

-    }    

-    

-    if (gintsts.b.hcintr)

-    {

-      retval |= USB_OTG_USBH_handle_hc_ISR (pdev);

-    }

-    

-    if (gintsts.b.portintr)

-    {

-      retval |= USB_OTG_USBH_handle_port_ISR (pdev);

-    }

-    

-    if (gintsts.b.disconnect)

-    {

-      retval |= USB_OTG_USBH_handle_Disconnect_ISR (pdev);  

-      

-    }

-    

-    if (gintsts.b.incomplisoout)

-    {

-      retval |= USB_OTG_USBH_handle_IncompletePeriodicXfer_ISR (pdev);

-    }

-    

-    

-  }

-  return retval;

-}

-

-/**

-* @brief  USB_OTG_USBH_handle_hc_ISR 

-*         This function indicates that one or more host channels has a pending

-* @param  pdev: Selected device

-* @retval status 

-*/

-static uint32_t USB_OTG_USBH_handle_hc_ISR (USB_OTG_CORE_HANDLE *pdev)

-{

-  USB_OTG_HAINT_TypeDef        haint;

-  USB_OTG_HCCHAR_TypeDef       hcchar;

-  uint32_t i = 0;

-  uint32_t retval = 0;

-  

-  /* Clear appropriate bits in HCINTn to clear the interrupt bit in

-  * GINTSTS */

-  

-  haint.d32 = USB_OTG_ReadHostAllChannels_intr(pdev);

-  

-  for (i = 0; i < pdev->cfg.host_channels ; i++)

-  {

-    if (haint.b.chint & (1 << i))

-    {

-      hcchar.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[i]->HCCHAR);

-      

-      if (hcchar.b.epdir)

-      {

-        retval |= USB_OTG_USBH_handle_hc_n_In_ISR (pdev, i);

-      }

-      else

-      {

-        retval |=  USB_OTG_USBH_handle_hc_n_Out_ISR (pdev, i);

-      }

-    }

-  }

-  

-  return retval;

-}

-

-/**

-* @brief  USB_OTG_otg_hcd_handle_sof_intr 

-*         Handles the start-of-frame interrupt in host mode.

-* @param  pdev: Selected device

-* @retval status 

-*/

-static uint32_t USB_OTG_USBH_handle_sof_ISR (USB_OTG_CORE_HANDLE *pdev)

-{

-  USB_OTG_GINTSTS_TypeDef      gintsts;

-  gintsts.d32 = 0;

-  

-  USBH_HCD_INT_fops->SOF(pdev);

-  

-  /* Clear interrupt */

-  gintsts.b.sofintr = 1;

-  USB_OTG_WRITE_REG32(&pdev->regs.GREGS->GINTSTS, gintsts.d32);

-  

-  return 1;

-}

-

-/**

-* @brief  USB_OTG_USBH_handle_Disconnect_ISR 

-*         Handles disconnect event.

-* @param  pdev: Selected device

-* @retval status 

-*/

-static uint32_t USB_OTG_USBH_handle_Disconnect_ISR (USB_OTG_CORE_HANDLE *pdev)

-{

-  USB_OTG_GINTSTS_TypeDef      gintsts;

-  

-  gintsts.d32 = 0;

-  

-  USBH_HCD_INT_fops->DevDisconnected(pdev);

-  

-  /* Clear interrupt */

-  gintsts.b.disconnect = 1;

-  USB_OTG_WRITE_REG32(&pdev->regs.GREGS->GINTSTS, gintsts.d32);

-  

-  return 1;

-}

-#if defined ( __ICCARM__ ) /*!< IAR Compiler */

-#pragma optimize = none

-#endif /* __CC_ARM */

-/**

-* @brief  USB_OTG_USBH_handle_nptxfempty_ISR 

-*         Handles non periodic tx fifo empty.

-* @param  pdev: Selected device

-* @retval status 

-*/

-static uint32_t USB_OTG_USBH_handle_nptxfempty_ISR (USB_OTG_CORE_HANDLE *pdev)

-{

-  USB_OTG_GINTMSK_TypeDef      intmsk;

-  USB_OTG_HNPTXSTS_TypeDef     hnptxsts; 

-  uint16_t                     len_words , len; 

-  

-  hnptxsts.d32 = USB_OTG_READ_REG32(&pdev->regs.GREGS->HNPTXSTS);

-  

-  len_words = (pdev->host.hc[hnptxsts.b.nptxqtop.chnum].xfer_len + 3) / 4;

-  

-  while ((hnptxsts.b.nptxfspcavail > len_words)&&

-         (pdev->host.hc[hnptxsts.b.nptxqtop.chnum].xfer_len != 0))

-  {

-    

-    len = hnptxsts.b.nptxfspcavail * 4;

-    

-    if (len > pdev->host.hc[hnptxsts.b.nptxqtop.chnum].xfer_len)

-    {

-      /* Last packet */

-      len = pdev->host.hc[hnptxsts.b.nptxqtop.chnum].xfer_len;

-      

-      intmsk.d32 = 0;

-      intmsk.b.nptxfempty = 1;

-      USB_OTG_MODIFY_REG32( &pdev->regs.GREGS->GINTMSK, intmsk.d32, 0);       

-    }

-    

-    len_words = (pdev->host.hc[hnptxsts.b.nptxqtop.chnum].xfer_len + 3) / 4;

-    

-    USB_OTG_WritePacket (pdev , pdev->host.hc[hnptxsts.b.nptxqtop.chnum].xfer_buff, hnptxsts.b.nptxqtop.chnum, len);

-    

-    pdev->host.hc[hnptxsts.b.nptxqtop.chnum].xfer_buff  += len;

-    pdev->host.hc[hnptxsts.b.nptxqtop.chnum].xfer_len   -= len;

-    pdev->host.hc[hnptxsts.b.nptxqtop.chnum].xfer_count  += len; 

-    

-    hnptxsts.d32 = USB_OTG_READ_REG32(&pdev->regs.GREGS->HNPTXSTS);

-  }  

-  

-  return 1;

-}

-#if defined ( __ICCARM__ ) /*!< IAR Compiler */

-#pragma optimize = none

-#endif /* __CC_ARM */

-/**

-* @brief  USB_OTG_USBH_handle_ptxfempty_ISR 

-*         Handles periodic tx fifo empty

-* @param  pdev: Selected device

-* @retval status 

-*/

-static uint32_t USB_OTG_USBH_handle_ptxfempty_ISR (USB_OTG_CORE_HANDLE *pdev)

-{

-  USB_OTG_GINTMSK_TypeDef      intmsk;

-  USB_OTG_HPTXSTS_TypeDef      hptxsts; 

-  uint16_t                     len_words , len; 

-  

-  hptxsts.d32 = USB_OTG_READ_REG32(&pdev->regs.HREGS->HPTXSTS);

-  

-  len_words = (pdev->host.hc[hptxsts.b.ptxqtop.chnum].xfer_len + 3) / 4;

-  

-  while ((hptxsts.b.ptxfspcavail > len_words)&&

-         (pdev->host.hc[hptxsts.b.ptxqtop.chnum].xfer_len != 0))    

-  {

-    

-    len = hptxsts.b.ptxfspcavail * 4;

-    

-    if (len > pdev->host.hc[hptxsts.b.ptxqtop.chnum].xfer_len)

-    {

-      len = pdev->host.hc[hptxsts.b.ptxqtop.chnum].xfer_len;

-      /* Last packet */

-      intmsk.d32 = 0;

-      intmsk.b.ptxfempty = 1;

-      USB_OTG_MODIFY_REG32( &pdev->regs.GREGS->GINTMSK, intmsk.d32, 0); 

-    }

-    

-    len_words = (pdev->host.hc[hptxsts.b.ptxqtop.chnum].xfer_len + 3) / 4;

-    

-    USB_OTG_WritePacket (pdev , pdev->host.hc[hptxsts.b.ptxqtop.chnum].xfer_buff, hptxsts.b.ptxqtop.chnum, len);

-    

-    pdev->host.hc[hptxsts.b.ptxqtop.chnum].xfer_buff  += len;

-    pdev->host.hc[hptxsts.b.ptxqtop.chnum].xfer_len   -= len;

-    pdev->host.hc[hptxsts.b.ptxqtop.chnum].xfer_count  += len; 

-    

-    hptxsts.d32 = USB_OTG_READ_REG32(&pdev->regs.HREGS->HPTXSTS);

-  }  

-  

-  return 1;

-}

-

-/**

-* @brief  USB_OTG_USBH_handle_port_ISR 

-*         This function determines which interrupt conditions have occurred

-* @param  pdev: Selected device

-* @retval status 

-*/

-#if defined ( __ICCARM__ ) /*!< IAR Compiler */

-#pragma optimize = none

-#endif /* __CC_ARM */

-static uint32_t USB_OTG_USBH_handle_port_ISR (USB_OTG_CORE_HANDLE *pdev)

-{

-  USB_OTG_HPRT0_TypeDef  hprt0;

-  USB_OTG_HPRT0_TypeDef  hprt0_dup;

-  USB_OTG_HCFG_TypeDef   hcfg;    

-  uint32_t do_reset = 0;

-  uint32_t retval = 0;

-  

-  hcfg.d32 = 0;

-  hprt0.d32 = 0;

-  hprt0_dup.d32 = 0;

-  

-  hprt0.d32 = USB_OTG_READ_REG32(pdev->regs.HPRT0);

-  hprt0_dup.d32 = USB_OTG_READ_REG32(pdev->regs.HPRT0);

-  

-  /* Clear the interrupt bits in GINTSTS */

-  

-  hprt0_dup.b.prtena = 0;

-  hprt0_dup.b.prtconndet = 0;

-  hprt0_dup.b.prtenchng = 0;

-  hprt0_dup.b.prtovrcurrchng = 0;

-  

-  /* Port Connect Detected */

-  if (hprt0.b.prtconndet)

-  {

-

-    hprt0_dup.b.prtconndet = 1;

-    USBH_HCD_INT_fops->DevConnected(pdev);

-    retval |= 1;

-  }

-  

-  /* Port Enable Changed */

-  if (hprt0.b.prtenchng)

-  {

-    hprt0_dup.b.prtenchng = 1;

-    

-    if (hprt0.b.prtena == 1)

-    {

-      

-      USBH_HCD_INT_fops->DevConnected(pdev);

-      

-      if ((hprt0.b.prtspd == HPRT0_PRTSPD_LOW_SPEED) ||

-          (hprt0.b.prtspd == HPRT0_PRTSPD_FULL_SPEED))

-      {

-        

-        hcfg.d32 = USB_OTG_READ_REG32(&pdev->regs.HREGS->HCFG);

-        

-        if (hprt0.b.prtspd == HPRT0_PRTSPD_LOW_SPEED)

-        {

-          USB_OTG_WRITE_REG32(&pdev->regs.HREGS->HFIR, 6000 );

-          if (hcfg.b.fslspclksel != HCFG_6_MHZ)

-          {

-            if(pdev->cfg.phy_itface  == USB_OTG_EMBEDDED_PHY)

-            {

-              USB_OTG_InitFSLSPClkSel(pdev ,HCFG_6_MHZ );

-            }

-            do_reset = 1;

-          }

-        }

-        else

-        {

-          

-          USB_OTG_WRITE_REG32(&pdev->regs.HREGS->HFIR, 48000 );            

-          if (hcfg.b.fslspclksel != HCFG_48_MHZ)

-          {

-            USB_OTG_InitFSLSPClkSel(pdev ,HCFG_48_MHZ );

-            do_reset = 1;

-          }

-        }

-      }

-      else

-      {

-        do_reset = 1;

-      }

-    }

-  }

-  /* Overcurrent Change Interrupt */

-  if (hprt0.b.prtovrcurrchng)

-  {

-    hprt0_dup.b.prtovrcurrchng = 1;

-    retval |= 1;

-  }

-  if (do_reset)

-  {

-    USB_OTG_ResetPort(pdev);

-  }

-  /* Clear Port Interrupts */

-  USB_OTG_WRITE_REG32(pdev->regs.HPRT0, hprt0_dup.d32);

-  

-  return retval;

-}

-#if defined ( __ICCARM__ ) /*!< IAR Compiler */

-#pragma optimize = none

-#endif /* __CC_ARM */

-/**

-* @brief  USB_OTG_USBH_handle_hc_n_Out_ISR 

-*         Handles interrupt for a specific Host Channel

-* @param  pdev: Selected device

-* @param  hc_num: Channel number

-* @retval status 

-*/

-uint32_t USB_OTG_USBH_handle_hc_n_Out_ISR (USB_OTG_CORE_HANDLE *pdev , uint32_t num)

-{

-  

-  USB_OTG_HCINTn_TypeDef     hcint;

-  USB_OTG_HCINTMSK_TypeDef  hcintmsk;

-  USB_OTG_HC_REGS *hcreg;

-  USB_OTG_HCCHAR_TypeDef     hcchar; 

-  

-  hcreg = pdev->regs.HC_REGS[num];

-  hcint.d32 = USB_OTG_READ_REG32(&hcreg->HCINT);

-  hcintmsk.d32 = USB_OTG_READ_REG32(&hcreg->HCINTMSK);

-  hcint.d32 = hcint.d32 & hcintmsk.d32;

-  

-  hcchar.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[num]->HCCHAR);

-  

-  if (hcint.b.ahberr)

-  {

-    CLEAR_HC_INT(hcreg ,ahberr);

-    UNMASK_HOST_INT_CHH (num);

-  } 

-  else if (hcint.b.ack)

-  {

-    CLEAR_HC_INT(hcreg , ack);

-  }

-  else if (hcint.b.frmovrun)

-  {

-    UNMASK_HOST_INT_CHH (num);

-    USB_OTG_HC_Halt(pdev, num);

-    CLEAR_HC_INT(hcreg ,frmovrun);

-  }

-  else if (hcint.b.xfercompl)

-  {

-    pdev->host.ErrCnt[num] = 0;

-    UNMASK_HOST_INT_CHH (num);

-    USB_OTG_HC_Halt(pdev, num);

-    CLEAR_HC_INT(hcreg , xfercompl);

-    pdev->host.HC_Status[num] = HC_XFRC;            

-  }

-  

-  else if (hcint.b.stall)

-  {

-    CLEAR_HC_INT(hcreg , stall);

-    UNMASK_HOST_INT_CHH (num);

-    USB_OTG_HC_Halt(pdev, num);

-    pdev->host.HC_Status[num] = HC_STALL;      

-  }

-  

-  else if (hcint.b.nak)

-  {

-    pdev->host.ErrCnt[num] = 0;

-    UNMASK_HOST_INT_CHH (num);

-    USB_OTG_HC_Halt(pdev, num);

-    CLEAR_HC_INT(hcreg , nak);

-    pdev->host.HC_Status[num] = HC_NAK;      

-  }

-  

-  else if (hcint.b.xacterr)

-  {

-    UNMASK_HOST_INT_CHH (num);

-    USB_OTG_HC_Halt(pdev, num);

-    pdev->host.ErrCnt[num] ++;

-    pdev->host.HC_Status[num] = HC_XACTERR;

-    CLEAR_HC_INT(hcreg , xacterr);

-  }

-  else if (hcint.b.nyet)

-  {

-    pdev->host.ErrCnt[num] = 0;

-    UNMASK_HOST_INT_CHH (num);

-    USB_OTG_HC_Halt(pdev, num);

-    CLEAR_HC_INT(hcreg , nyet);

-    pdev->host.HC_Status[num] = HC_NYET;    

-  }

-  else if (hcint.b.datatglerr)

-  {

-    

-    UNMASK_HOST_INT_CHH (num);

-    USB_OTG_HC_Halt(pdev, num);

-    CLEAR_HC_INT(hcreg , nak);   

-    pdev->host.HC_Status[num] = HC_DATATGLERR;

-    

-    CLEAR_HC_INT(hcreg , datatglerr);

-  }  

-  else if (hcint.b.chhltd)

-  {

-    MASK_HOST_INT_CHH (num);

-    

-    if(pdev->host.HC_Status[num] == HC_XFRC)

-    {

-      pdev->host.URB_State[num] = URB_DONE;  

-      

-      if (hcchar.b.eptype == EP_TYPE_BULK)

-      {

-        pdev->host.hc[num].toggle_out ^= 1; 

-      }

-    }

-    else if(pdev->host.HC_Status[num] == HC_NAK)

-    {

-      pdev->host.URB_State[num] = URB_NOTREADY;      

-    }    

-    else if(pdev->host.HC_Status[num] == HC_NYET)

-    {

-      if(pdev->host.hc[num].do_ping == 1)

-      {

-        USB_OTG_HC_DoPing(pdev, num);

-      }

-      pdev->host.URB_State[num] = URB_NOTREADY;      

-    }      

-    else if(pdev->host.HC_Status[num] == HC_STALL)

-    {

-      pdev->host.URB_State[num] = URB_STALL;      

-    }  

-    else if(pdev->host.HC_Status[num] == HC_XACTERR)

-    {

-      if (pdev->host.ErrCnt[num] == 3)

-      {

-        pdev->host.URB_State[num] = URB_ERROR;  

-        pdev->host.ErrCnt[num] = 0;

-      }

-    }

-    CLEAR_HC_INT(hcreg , chhltd);    

-  }

-  

-  

-  return 1;

-}

-#if defined ( __ICCARM__ ) /*!< IAR Compiler */

-#pragma optimize = none

-#endif /* __CC_ARM */

-/**

-* @brief  USB_OTG_USBH_handle_hc_n_In_ISR 

-*         Handles interrupt for a specific Host Channel

-* @param  pdev: Selected device

-* @param  hc_num: Channel number

-* @retval status 

-*/

-uint32_t USB_OTG_USBH_handle_hc_n_In_ISR (USB_OTG_CORE_HANDLE *pdev , uint32_t num)

-{

-  USB_OTG_HCINTn_TypeDef     hcint;

-  USB_OTG_HCINTMSK_TypeDef  hcintmsk;

-  USB_OTG_HCCHAR_TypeDef     hcchar; 

-  USB_OTG_HCTSIZn_TypeDef  hctsiz;

-  USB_OTG_HC_REGS *hcreg;

-  

-  

-  hcreg = pdev->regs.HC_REGS[num];

-  hcint.d32 = USB_OTG_READ_REG32(&hcreg->HCINT);

-  hcintmsk.d32 = USB_OTG_READ_REG32(&hcreg->HCINTMSK);

-  hcint.d32 = hcint.d32 & hcintmsk.d32;

-  hcchar.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[num]->HCCHAR);

-  hcintmsk.d32 = 0;

-  

-  

-  if (hcint.b.ahberr)

-  {

-    CLEAR_HC_INT(hcreg ,ahberr);

-    UNMASK_HOST_INT_CHH (num);

-  }  

-  else if (hcint.b.ack)

-  {

-    CLEAR_HC_INT(hcreg ,ack);

-  }

-  

-  else if (hcint.b.stall)  

-  {

-    UNMASK_HOST_INT_CHH (num);

-    pdev->host.HC_Status[num] = HC_STALL; 

-    CLEAR_HC_INT(hcreg , nak);   /* Clear the NAK Condition */

-    CLEAR_HC_INT(hcreg , stall); /* Clear the STALL Condition */

-    hcint.b.nak = 0;           /* NOTE: When there is a 'stall', reset also nak, 

-                                  else, the pdev->host.HC_Status = HC_STALL

-    will be overwritten by 'nak' in code below */

-    USB_OTG_HC_Halt(pdev, num);    

-  }

-  else if (hcint.b.datatglerr)

-  {

-    

-    UNMASK_HOST_INT_CHH (num);

-    USB_OTG_HC_Halt(pdev, num);

-    CLEAR_HC_INT(hcreg , nak);   

-    pdev->host.HC_Status[num] = HC_DATATGLERR; 

-    CLEAR_HC_INT(hcreg , datatglerr);

-  }    

-  

-  if (hcint.b.frmovrun)

-  {

-    UNMASK_HOST_INT_CHH (num);

-    USB_OTG_HC_Halt(pdev, num);

-    CLEAR_HC_INT(hcreg ,frmovrun);

-  }

-  

-  else if (hcint.b.xfercompl)

-  {

-    

-    if (pdev->cfg.dma_enable == 1)

-    {

-      hctsiz.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[num]->HCTSIZ);

-      pdev->host.XferCnt[num] =  pdev->host.hc[num].xfer_len - hctsiz.b.xfersize;

-    }

-    

-    pdev->host.HC_Status[num] = HC_XFRC;     

-    pdev->host.ErrCnt [num]= 0;

-    CLEAR_HC_INT(hcreg , xfercompl);

-    

-    if ((hcchar.b.eptype == EP_TYPE_CTRL)||

-        (hcchar.b.eptype == EP_TYPE_BULK))

-    {

-      UNMASK_HOST_INT_CHH (num);

-      USB_OTG_HC_Halt(pdev, num);

-      CLEAR_HC_INT(hcreg , nak); 

-      pdev->host.hc[num].toggle_in ^= 1;

-      

-    }

-    else if(hcchar.b.eptype == EP_TYPE_INTR)

-    {

-      hcchar.b.oddfrm  = 1;

-      USB_OTG_WRITE_REG32(&pdev->regs.HC_REGS[num]->HCCHAR, hcchar.d32); 

-      pdev->host.URB_State[num] = URB_DONE;  

-    }

-    

-  }

-  else if (hcint.b.chhltd)

-  {

-    MASK_HOST_INT_CHH (num);

-    

-    if(pdev->host.HC_Status[num] == HC_XFRC)

-    {

-      pdev->host.URB_State[num] = URB_DONE;      

-    }

-    

-    else if (pdev->host.HC_Status[num] == HC_STALL) 

-    {

-      pdev->host.URB_State[num] = URB_STALL;

-    }   

-    

-    else if((pdev->host.HC_Status[num] == HC_XACTERR) ||

-            (pdev->host.HC_Status[num] == HC_DATATGLERR))

-    {

-      pdev->host.ErrCnt[num] = 0;

-      pdev->host.URB_State[num] = URB_ERROR;  

-      

-    }

-    else if(hcchar.b.eptype == EP_TYPE_INTR)

-    {

-      pdev->host.hc[num].toggle_in ^= 1;

-    }

-    

-    CLEAR_HC_INT(hcreg , chhltd);    

-    

-  }    

-  else if (hcint.b.xacterr)

-  {

-    UNMASK_HOST_INT_CHH (num);

-    pdev->host.ErrCnt[num] ++;

-    pdev->host.HC_Status[num] = HC_XACTERR;

-    USB_OTG_HC_Halt(pdev, num);

-    CLEAR_HC_INT(hcreg , xacterr);    

-    

-  }

-  else if (hcint.b.nak)  

-  {  

-    if(hcchar.b.eptype == EP_TYPE_INTR)

-    {

-      UNMASK_HOST_INT_CHH (num);

-      USB_OTG_HC_Halt(pdev, num);

-    }

-    else if  ((hcchar.b.eptype == EP_TYPE_CTRL)||

-              (hcchar.b.eptype == EP_TYPE_BULK))

-    {

-      /* re-activate the channel  */

-      hcchar.b.chen = 1;

-      hcchar.b.chdis = 0;

-      USB_OTG_WRITE_REG32(&pdev->regs.HC_REGS[num]->HCCHAR, hcchar.d32); 

-    }

-    pdev->host.HC_Status[num] = HC_NAK;

-    CLEAR_HC_INT(hcreg , nak);   

-  }

-  

-  

-  return 1;

-  

-}

-

-/**

-* @brief  USB_OTG_USBH_handle_rx_qlvl_ISR 

-*         Handles the Rx Status Queue Level Interrupt

-* @param  pdev: Selected device

-* @retval status 

-*/

-#if defined ( __ICCARM__ ) /*!< IAR Compiler */

-#pragma optimize = none

-#endif /* __CC_ARM */

-static uint32_t USB_OTG_USBH_handle_rx_qlvl_ISR (USB_OTG_CORE_HANDLE *pdev)

-{

-  USB_OTG_GRXFSTS_TypeDef       grxsts;

-  USB_OTG_GINTMSK_TypeDef       intmsk;

-  USB_OTG_HCTSIZn_TypeDef       hctsiz; 

-  USB_OTG_HCCHAR_TypeDef        hcchar;

-  __IO uint8_t                  channelnum =0;  

-  uint32_t                      count;    

-  

-  /* Disable the Rx Status Queue Level interrupt */

-  intmsk.d32 = 0;

-  intmsk.b.rxstsqlvl = 1;

-  USB_OTG_MODIFY_REG32( &pdev->regs.GREGS->GINTMSK, intmsk.d32, 0);

-  

-  grxsts.d32 = USB_OTG_READ_REG32(&pdev->regs.GREGS->GRXSTSP);

-  channelnum = grxsts.b.chnum;  

-  hcchar.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[channelnum]->HCCHAR);

-  

-  switch (grxsts.b.pktsts)

-  {

-  case GRXSTS_PKTSTS_IN:

-    /* Read the data into the host buffer. */

-    if ((grxsts.b.bcnt > 0) && (pdev->host.hc[channelnum].xfer_buff != (void  *)0))

-    {  

-      

-      USB_OTG_ReadPacket(pdev, pdev->host.hc[channelnum].xfer_buff, grxsts.b.bcnt);

-      /*manage multiple Xfer */

-      pdev->host.hc[grxsts.b.chnum].xfer_buff += grxsts.b.bcnt;           

-      pdev->host.hc[grxsts.b.chnum].xfer_count  += grxsts.b.bcnt;

-      

-      

-      count = pdev->host.hc[channelnum].xfer_count;

-      pdev->host.XferCnt[channelnum]  = count;

-      

-      hctsiz.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[channelnum]->HCTSIZ);

-      if(hctsiz.b.pktcnt > 0)

-      {

-        /* re-activate the channel when more packets are expected */

-        hcchar.b.chen = 1;

-        hcchar.b.chdis = 0;

-        USB_OTG_WRITE_REG32(&pdev->regs.HC_REGS[channelnum]->HCCHAR, hcchar.d32);

-      }

-    }

-    break;

-    

-  case GRXSTS_PKTSTS_IN_XFER_COMP:

-    

-  case GRXSTS_PKTSTS_DATA_TOGGLE_ERR:

-  case GRXSTS_PKTSTS_CH_HALTED:

-  default:

-    break;

-  }

-  

-  /* Enable the Rx Status Queue Level interrupt */

-  intmsk.b.rxstsqlvl = 1;

-  USB_OTG_MODIFY_REG32(&pdev->regs.GREGS->GINTMSK, 0, intmsk.d32);

-  return 1;

-}

-

-/**

-* @brief  USB_OTG_USBH_handle_IncompletePeriodicXfer_ISR 

-*         Handles the incomplete Periodic transfer Interrupt

-* @param  pdev: Selected device

-* @retval status 

-*/

-#if defined ( __ICCARM__ ) /*!< IAR Compiler */

-#pragma optimize = none

-#endif /* __CC_ARM */

-static uint32_t USB_OTG_USBH_handle_IncompletePeriodicXfer_ISR (USB_OTG_CORE_HANDLE *pdev)

-{

-  

-  USB_OTG_GINTSTS_TypeDef       gintsts;

-  USB_OTG_HCCHAR_TypeDef        hcchar; 

-  

-  

-  

-  

-  hcchar.d32 = USB_OTG_READ_REG32(&pdev->regs.HC_REGS[0]->HCCHAR);

-  hcchar.b.chen = 1;

-  hcchar.b.chdis = 1;

-  USB_OTG_WRITE_REG32(&pdev->regs.HC_REGS[0]->HCCHAR, hcchar.d32);  

-  

-  gintsts.d32 = 0;

-  /* Clear interrupt */

-  gintsts.b.incomplisoout = 1;

-  USB_OTG_WRITE_REG32(&pdev->regs.GREGS->GINTSTS, gintsts.d32);

-  

-  return 1;

-}

-

-/**

-* @}

-*/ 

-

-/**

-* @}

-*/ 

-

-/**

-* @}

-*/

-

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

-