Takanobu Muraguchi
USB device stack
Dependents: USBMSD_step1 USBMSD_step1_5 picossd_step1_2cs
Diff: targets/TARGET_Silicon_Labs/inc/em_usbhal.h
- Revision:
- 71:53949e6131f6
diff -r 2c525a50f1b6 -r 53949e6131f6 targets/TARGET_Silicon_Labs/inc/em_usbhal.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_Silicon_Labs/inc/em_usbhal.h Thu Jul 27 12:14:04 2017 +0100
@@ -0,0 +1,757 @@
+/***************************************************************************//**
+ * @file em_usbhal.h
+ * @brief USB protocol stack library, low level USB peripheral access.
+ * @version 3.20.14
+ *******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2014 Silicon Labs, http://www.silabs.com</b>
+ *******************************************************************************
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ *
+ ******************************************************************************/
+
+#ifndef __EM_USBHAL_H
+#define __EM_USBHAL_H
+
+#include "em_device.h"
+#if defined( USB_PRESENT ) && ( USB_COUNT == 1 )
+#include "em_usb.h"
+#if defined( USB_DEVICE ) || defined( USB_HOST )
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
+
+#define USB_PID_DATA0 0
+#define USB_PID_DATA2 1
+#define USB_PID_DATA1 2
+#define USB_PID_SETUP 3
+
+#define HPRT_F_SPEED ( 1 << _USB_HPRT_PRTSPD_SHIFT )
+#define HPRT_L_SPEED ( 2 << _USB_HPRT_PRTSPD_SHIFT )
+#define HCFG_PHYCLK_48MHZ 1
+#define HCFG_PHYCLK_6MHZ 2
+
+#define DOEP0_XFERSIZE_PKTCNT_MASK ( _USB_DOEP0TSIZ_XFERSIZE_MASK | \
+ _USB_DOEP0TSIZ_PKTCNT_MASK )
+#define DOEP_XFERSIZE_PKTCNT_MASK ( _USB_DOEP_TSIZ_XFERSIZE_MASK | \
+ _USB_DOEP_TSIZ_PKTCNT_MASK )
+
+#define DIEP0_XFERSIZE_PKTCNT_MASK ( _USB_DIEP0TSIZ_XFERSIZE_MASK | \
+ _USB_DIEP0TSIZ_PKTCNT_MASK )
+#define DIEP_XFERSIZE_PKTCNT_MASK ( _USB_DIEP_TSIZ_XFERSIZE_MASK | \
+ _USB_DIEP_TSIZ_PKTCNT_MASK | \
+ _USB_DIEP_TSIZ_MC_MASK )
+
+#define DIEPCTL_EPTYPE_CONTROL (0 << _USB_DIEP_CTL_EPTYPE_SHIFT )
+#define DIEPCTL_EPTYPE_ISOC (1 << _USB_DIEP_CTL_EPTYPE_SHIFT )
+#define DIEPCTL_EPTYPE_BULK (2 << _USB_DIEP_CTL_EPTYPE_SHIFT )
+#define DIEPCTL_EPTYPE_INTR (3 << _USB_DIEP_CTL_EPTYPE_SHIFT )
+
+#define DOEPCTL_EPTYPE_CONTROL (0 << _USB_DOEP_CTL_EPTYPE_SHIFT )
+#define DOEPCTL_EPTYPE_ISOC (1 << _USB_DOEP_CTL_EPTYPE_SHIFT )
+#define DOEPCTL_EPTYPE_BULK (2 << _USB_DOEP_CTL_EPTYPE_SHIFT )
+#define DOEPCTL_EPTYPE_INTR (3 << _USB_DOEP_CTL_EPTYPE_SHIFT )
+
+#define HCCHAR_EPTYPE_CTRL (0 << _USB_HC_CHAR_EPTYPE_SHIFT )
+#define HCCHAR_EPTYPE_ISOC (1 << _USB_HC_CHAR_EPTYPE_SHIFT )
+#define HCCHAR_EPTYPE_BULK (2 << _USB_HC_CHAR_EPTYPE_SHIFT )
+#define HCCHAR_EPTYPE_INTR (3 << _USB_HC_CHAR_EPTYPE_SHIFT )
+
+#define GRXSTSP_PKTSTS_DEVICE_GOTNAK ( 1 << _USB_GRXSTSP_PKTSTS_SHIFT )
+#define GRXSTSP_PKTSTS_DEVICE_DATAOUTRECEIVED ( 2 << _USB_GRXSTSP_PKTSTS_SHIFT )
+#define GRXSTSP_PKTSTS_DEVICE_DATAOUTCOMPLETE ( 3 << _USB_GRXSTSP_PKTSTS_SHIFT )
+#define GRXSTSP_PKTSTS_DEVICE_SETUPCOMPLETE ( 4 << _USB_GRXSTSP_PKTSTS_SHIFT )
+#define GRXSTSP_PKTSTS_DEVICE_SETUPRECEIVED ( 6 << _USB_GRXSTSP_PKTSTS_SHIFT )
+
+#define GRXSTSP_PKTSTS_HOST_DATAINRECEIVED ( 2 << _USB_GRXSTSP_PKTSTS_SHIFT )
+#define GRXSTSP_PKTSTS_HOST_DATAINCOMPLETE ( 3 << _USB_GRXSTSP_PKTSTS_SHIFT )
+#define GRXSTSP_PKTSTS_HOST_DATATOGGLEERROR ( 5 << _USB_GRXSTSP_PKTSTS_SHIFT )
+#define GRXSTSP_PKTSTS_HOST_CHANNELHALTED ( 7 << _USB_GRXSTSP_PKTSTS_SHIFT )
+
+#define DCTL_WO_BITMASK \
+ ( _USB_DCTL_CGOUTNAK_MASK | _USB_DCTL_SGOUTNAK_MASK | \
+ _USB_DCTL_CGNPINNAK_MASK | _USB_DCTL_SGNPINNAK_MASK )
+#define GUSBCFG_WO_BITMASK ( USB_GUSBCFG_CORRUPTTXPKT )
+#define DEPCTL_WO_BITMASK \
+ ( USB_DIEP_CTL_CNAK | USB_DIEP_CTL_SNAK | \
+ USB_DIEP_CTL_SETD0PIDEF | USB_DIEP_CTL_SETD1PIDOF )
+
+#define HPRT_WC_MASK ( USB_HPRT_PRTCONNDET | USB_HPRT_PRTENA | \
+ USB_HPRT_PRTENCHNG | USB_HPRT_PRTOVRCURRCHNG )
+
+typedef __IO uint32_t USB_FIFO_TypeDef[ 0x1000 / sizeof( uint32_t ) ];
+typedef __IO uint32_t USB_DIEPTXF_TypeDef;
+
+#define USB_DINEPS ((USB_DIEP_TypeDef *) &USB->DIEP0CTL )
+#define USB_DOUTEPS ((USB_DOEP_TypeDef *) &USB->DOEP0CTL )
+#define USB_FIFOS ((USB_FIFO_TypeDef *) &USB->FIFO0D )
+#define USB_DIEPTXFS ((USB_DIEPTXF_TypeDef *) &USB->DIEPTXF1 )
+
+void USBHAL_CoreReset( void );
+
+#if defined( USB_DEVICE )
+void USBDHAL_AbortAllTransfers( USB_Status_TypeDef reason );
+USB_Status_TypeDef USBDHAL_CoreInit( const uint32_t totalRxFifoSize,
+ const uint32_t totalTxFifoSize );
+void USBDHAL_Connect( void );
+void USBDHAL_Disconnect( void );
+void USBDHAL_AbortAllEps( void );
+void USBDHAL_AbortEpIn( USBD_Ep_TypeDef *ep );
+void USBDHAL_AbortEpOut( USBD_Ep_TypeDef *ep );
+
+__STATIC_INLINE USB_Status_TypeDef USBDHAL_GetStallStatusEp(
+ USBD_Ep_TypeDef *ep, uint16_t *halt );
+__STATIC_INLINE uint32_t USBDHAL_GetInEpInts( USBD_Ep_TypeDef *ep );
+__STATIC_INLINE uint32_t USBDHAL_GetOutEpInts( USBD_Ep_TypeDef *ep );
+__STATIC_INLINE void USBDHAL_SetEPDISNAK( USBD_Ep_TypeDef *ep );
+#endif /* defined( USB_DEVICE ) */
+
+#if defined( USB_HOST )
+USB_Status_TypeDef USBHHAL_CoreInit( const uint32_t rxFifoSize,
+ const uint32_t nptxFifoSize,
+ const uint32_t ptxFifoSize );
+void USBHHAL_HCHalt( int hcnum, uint32_t hcchar );
+void USBHHAL_HCInit( int hcnum );
+void USBHHAL_HCStart( int hcnum );
+#endif /* defined( USB_HOST ) */
+
+__STATIC_INLINE void USBHAL_DisableGlobalInt( void )
+{
+ USB->GAHBCFG &= ~USB_GAHBCFG_GLBLINTRMSK;
+}
+
+__STATIC_INLINE void USBHAL_DisablePhyPins( void )
+{
+ USB->ROUTE = _USB_ROUTE_RESETVALUE;
+}
+
+__STATIC_INLINE void USBHAL_DisableUsbInt( void )
+{
+ USB->IEN = _USB_IEN_RESETVALUE;
+}
+
+__STATIC_INLINE void USBHAL_EnableGlobalInt( void )
+{
+ USB->GAHBCFG |= USB_GAHBCFG_GLBLINTRMSK;
+}
+
+__STATIC_INLINE void USBHAL_FlushRxFifo( void )
+{
+ USB->GRSTCTL = USB_GRSTCTL_RXFFLSH;
+ while ( USB->GRSTCTL & USB_GRSTCTL_RXFFLSH ) {}
+}
+
+__STATIC_INLINE void USBHAL_FlushTxFifo( uint8_t fifoNum )
+{
+ USB->GRSTCTL = USB_GRSTCTL_TXFFLSH | ( fifoNum << _USB_GRSTCTL_TXFNUM_SHIFT );
+ while ( USB->GRSTCTL & USB_GRSTCTL_TXFFLSH ) {}
+}
+
+__STATIC_INLINE uint32_t USBHAL_GetCoreInts( void )
+{
+ uint32_t retVal;
+
+ retVal = USB->GINTSTS;
+ retVal &= USB->GINTMSK;
+
+ return retVal;
+}
+
+__STATIC_INLINE bool USBHAL_VbusIsOn( void )
+{
+ return ( USB->STATUS & USB_STATUS_VREGOS ) != 0;
+}
+
+#if defined( USB_DEVICE )
+__STATIC_INLINE void USBDHAL_ActivateEp( USBD_Ep_TypeDef *ep, bool forceIdle )
+{
+#define DIEP_MPS_EPTYPE_TXFNUM_MASK ( _USB_DIEP_CTL_MPS_MASK | \
+ _USB_DIEP_CTL_EPTYPE_MASK | \
+ _USB_DIEP_CTL_TXFNUM_MASK )
+#define DOEP_MPS_EPTYPE_MASK ( _USB_DOEP_CTL_MPS_MASK | \
+ _USB_DOEP_CTL_EPTYPE_MASK )
+ uint32_t daintmask, depctl;
+
+ if ( forceIdle )
+ ep->state = D_EP_IDLE;
+
+ if ( ep->in )
+ {
+ daintmask = ep->mask;
+ depctl = USB_DINEPS[ ep->num ].CTL & ~DEPCTL_WO_BITMASK;
+
+ if ( !( depctl & USB_DIEP_CTL_USBACTEP ) )
+ {
+ depctl = ( depctl &
+ ~( DIEP_MPS_EPTYPE_TXFNUM_MASK |
+ USB_DIEP_CTL_STALL ) ) |
+ ( ep->packetSize << _USB_DIEP_CTL_MPS_SHIFT ) |
+ ( ep->type << _USB_DIEP_CTL_EPTYPE_SHIFT ) |
+ ( ep->txFifoNum << _USB_DIEP_CTL_TXFNUM_SHIFT ) |
+ USB_DIEP_CTL_SETD0PIDEF |
+ USB_DIEP_CTL_USBACTEP |
+ USB_DIEP_CTL_SNAK;
+ }
+ else
+ {
+ depctl |= USB_DIEP_CTL_SETD0PIDEF;
+ }
+ USB_DINEPS[ ep->num ].CTL = depctl;
+ }
+ else
+ {
+ daintmask = ep->mask << _USB_DAINTMSK_OUTEPMSK0_SHIFT;
+ depctl = USB_DOUTEPS[ ep->num ].CTL & ~DEPCTL_WO_BITMASK;
+
+ if ( !( depctl & USB_DOEP_CTL_USBACTEP ) )
+ {
+ depctl = ( depctl &
+ ~( DOEP_MPS_EPTYPE_MASK |
+ USB_DOEP_CTL_STALL ) ) |
+ ( ep->packetSize << _USB_DOEP_CTL_MPS_SHIFT ) |
+ ( ep->type << _USB_DOEP_CTL_EPTYPE_SHIFT ) |
+ USB_DOEP_CTL_SETD0PIDEF |
+ USB_DOEP_CTL_USBACTEP |
+ USB_DOEP_CTL_SNAK;
+ }
+ else
+ {
+ depctl |= USB_DOEP_CTL_SETD0PIDEF;
+ }
+ USB_DOUTEPS[ ep->num ].CTL = depctl;
+ }
+
+ /* Enable interrupt for this EP */
+ USB->DAINTMSK |= daintmask;
+
+#undef DIEP_MPS_EPTYPE_TXFNUM_MASK
+#undef DOEP_MPS_EPTYPE_MASK
+}
+
+__STATIC_INLINE void USBDHAL_ClearRemoteWakeup( void )
+{
+ USB->DCTL &= ~( DCTL_WO_BITMASK | USB_DCTL_RMTWKUPSIG );
+}
+
+__STATIC_INLINE void USBDHAL_DeactivateEp( USBD_Ep_TypeDef *ep )
+{
+ uint32_t daintmask;
+
+ if ( ep->in )
+ {
+ USB_DINEPS[ ep->num ].CTL = 0;
+ daintmask = ep->mask;
+ }
+ else
+ {
+ USB_DOUTEPS[ ep->num ].CTL = 0;
+ daintmask = ep->mask << _USB_DAINTMSK_OUTEPMSK0_SHIFT;
+ }
+
+ /* Disable interrupt for this EP */
+ USB->DAINTMSK &= ~daintmask;
+}
+
+__STATIC_INLINE void USBDHAL_EnableInts( USBD_Device_TypeDef *dev )
+{
+ uint32_t mask;
+
+ /* Disable all interrupts. */
+ USB->GINTMSK = 0;
+
+ /* Clear pending interrupts */
+ USB->GINTSTS = 0xFFFFFFFF;
+
+ mask = USB_GINTMSK_USBSUSPMSK |
+ USB_GINTMSK_USBRSTMSK |
+ USB_GINTMSK_ENUMDONEMSK |
+ USB_GINTMSK_IEPINTMSK |
+ USB_GINTMSK_OEPINTMSK |
+ USB_GINTMSK_WKUPINTMSK;
+
+ if ( dev->callbacks->sofInt )
+ {
+ mask |= USB_GINTMSK_SOFMSK;
+ }
+
+ USB->GINTMSK = mask;
+}
+
+__STATIC_INLINE void USBDHAL_EnableUsbResetAndSuspendInt( void )
+{
+ /* Disable all interrupts. */
+ USB->GINTMSK = 0;
+
+ USB->GINTMSK = USB_GINTMSK_USBRSTMSK | USB_GINTMSK_USBSUSPMSK;
+}
+
+__STATIC_INLINE void USBDHAL_Ep0Activate( uint32_t ep0mps )
+{
+ USB->DCTL = ( USB->DCTL & ~DCTL_WO_BITMASK ) | USB_DCTL_CGNPINNAK;
+
+ USB->DOEP0CTL = ( USB->DOEP0CTL & ~DEPCTL_WO_BITMASK )
+ | USB_DOEP0CTL_CNAK | USB_DOEP0CTL_EPENA
+ | ep0mps;
+}
+
+__STATIC_INLINE bool USBDHAL_EpIsStalled( USBD_Ep_TypeDef *ep )
+{
+ bool retVal = false;
+ uint16_t stallStatus;
+
+ if ( USBDHAL_GetStallStatusEp( ep, &stallStatus ) == USB_STATUS_OK )
+ {
+ retVal = stallStatus & 1 ? true : false;
+ }
+ return retVal;
+}
+
+__STATIC_INLINE uint32_t USBDHAL_GetAllInEpInts( void )
+{
+ uint32_t retVal;
+
+ retVal = USB->DAINT;
+ retVal &= USB->DAINTMSK;
+ return retVal & 0xFFFF;
+}
+
+__STATIC_INLINE uint32_t USBDHAL_GetAllOutEpInts( void )
+{
+ uint32_t retVal;
+
+ retVal = USB->DAINT;
+ retVal &= USB->DAINTMSK;
+ return retVal >> 16;
+}
+
+__STATIC_INLINE uint32_t USBDHAL_GetInEpInts( USBD_Ep_TypeDef *ep )
+{
+ uint32_t retVal, msk;
+
+ msk = USB->DIEPMSK;
+ retVal = USB_DINEPS[ ep->num ].INT;
+
+ return retVal & msk;
+}
+
+__STATIC_INLINE uint32_t USBDHAL_GetOutEpInts( USBD_Ep_TypeDef *ep )
+{
+ uint32_t retVal;
+
+ retVal = USB_DOUTEPS[ ep->num ].INT;
+#if defined( USB_DOEP0INT_STUPPKTRCVD )
+ retVal &= USB->DOEPMSK | USB_DOEP0INT_STUPPKTRCVD;
+#else
+ retVal &= USB->DOEPMSK;
+#endif
+
+ return retVal;
+}
+
+__STATIC_INLINE USB_Status_TypeDef USBDHAL_GetStallStatusEp(
+ USBD_Ep_TypeDef *ep, uint16_t *halt )
+{
+ uint32_t depctl, eptype;
+ USB_Status_TypeDef retVal = USB_STATUS_REQ_ERR;
+
+ if ( ep->in == true )
+ {
+ depctl = USB_DINEPS[ ep->num ].CTL;
+ eptype = depctl & _USB_DIEP_CTL_EPTYPE_MASK;
+
+ if (( eptype == DIEPCTL_EPTYPE_INTR ) || ( eptype == DIEPCTL_EPTYPE_BULK ))
+ {
+ *halt = depctl & USB_DIEP_CTL_STALL ? 1 : 0;
+ retVal = USB_STATUS_OK;
+ }
+ }
+ else
+ {
+ depctl = USB_DOUTEPS[ ep->num ].CTL;
+ eptype = depctl & _USB_DOEP_CTL_EPTYPE_MASK;
+
+ if (( eptype == DOEPCTL_EPTYPE_INTR ) || ( eptype == DOEPCTL_EPTYPE_BULK ))
+ {
+ *halt = depctl & USB_DOEP_CTL_STALL ? 1 : 0;
+ retVal = USB_STATUS_OK;
+ }
+ }
+
+ return retVal;
+}
+
+__STATIC_INLINE void USBDHAL_ReenableEp0Setup( USBD_Device_TypeDef *dev )
+
+{
+ USB->DOEP0DMAADDR = (uint32_t)dev->setupPkt;
+ USB->DOEP0CTL = ( USB->DOEP0CTL & ~DEPCTL_WO_BITMASK )
+ | USB_DOEP0CTL_EPENA
+ | dev->ep0MpsCode;
+}
+
+__STATIC_INLINE void USBDHAL_SetAddr( uint8_t addr )
+{
+ USB->DCFG = ( USB->DCFG &
+ ~_USB_DCFG_DEVADDR_MASK ) |
+ (addr << _USB_DCFG_DEVADDR_SHIFT );
+}
+
+__STATIC_INLINE void USBDHAL_SetEp0InDmaPtr( uint8_t* addr )
+{
+ USB->DIEP0DMAADDR = (uint32_t)addr;
+}
+
+__STATIC_INLINE void USBDHAL_SetEp0OutDmaPtr( uint8_t* addr )
+{
+ USB->DOEP0DMAADDR = (uint32_t)addr;
+}
+
+__STATIC_INLINE void USBDHAL_SetEPDISNAK( USBD_Ep_TypeDef *ep )
+{
+ if ( ep->in )
+ {
+ USB_DINEPS[ ep->num ].CTL = ( USB_DINEPS[ ep->num ].CTL &
+ ~DEPCTL_WO_BITMASK ) |
+ USB_DIEP_CTL_SNAK |
+ USB_DIEP_CTL_EPDIS;
+ }
+ else
+ {
+ USB_DOUTEPS[ ep->num ].CTL = ( USB_DOUTEPS[ ep->num ].CTL &
+ ~DEPCTL_WO_BITMASK ) |
+ USB_DOEP_CTL_EPENA;
+
+ USB_DOUTEPS[ ep->num ].CTL = ( USB_DOUTEPS[ ep->num ].CTL &
+ ~DEPCTL_WO_BITMASK ) |
+ USB_DOEP_CTL_SNAK |
+ USB_DOEP_CTL_EPDIS;
+ }
+}
+
+__STATIC_INLINE void USBDHAL_SetRemoteWakeup( void )
+{
+ USB->DCTL = ( USB->DCTL & ~DCTL_WO_BITMASK ) | USB_DCTL_RMTWKUPSIG;
+}
+
+__STATIC_INLINE USB_Status_TypeDef USBDHAL_StallEp( USBD_Ep_TypeDef *ep )
+{
+ uint32_t depctl, eptype;
+ USB_Status_TypeDef retVal = USB_STATUS_REQ_ERR;
+
+ if ( ep->in == true )
+ {
+ depctl = USB_DINEPS[ ep->num ].CTL & ~DEPCTL_WO_BITMASK;
+ eptype = depctl & _USB_DIEP_CTL_EPTYPE_MASK;
+
+ if ( eptype != DIEPCTL_EPTYPE_ISOC )
+ {
+ if ( depctl & USB_DIEP_CTL_EPENA )
+ {
+ depctl |= USB_DIEP_CTL_EPDIS;
+ }
+ USB_DINEPS[ ep->num ].CTL = depctl | USB_DIEP_CTL_STALL;
+ retVal = USB_STATUS_OK;
+ }
+ }
+ else
+ {
+ depctl = USB_DOUTEPS[ ep->num ].CTL & ~DEPCTL_WO_BITMASK;
+ eptype = depctl & _USB_DOEP_CTL_EPTYPE_MASK;
+
+ if ( eptype != DIEPCTL_EPTYPE_ISOC )
+ {
+ USB_DOUTEPS[ ep->num ].CTL = depctl | USB_DOEP_CTL_STALL;
+ retVal = USB_STATUS_OK;
+ }
+ }
+
+ return retVal;
+}
+
+__STATIC_INLINE void USBDHAL_StartEp0In( uint32_t len, uint32_t ep0mps )
+{
+ USB->DIEP0TSIZ = ( len << _USB_DIEP0TSIZ_XFERSIZE_SHIFT ) |
+ ( 1 << _USB_DIEP0TSIZ_PKTCNT_SHIFT );
+
+ USB->DIEP0CTL = ( USB->DIEP0CTL & ~DEPCTL_WO_BITMASK )
+ | USB_DIEP0CTL_CNAK | USB_DIEP0CTL_EPENA
+ | ep0mps;
+}
+
+__STATIC_INLINE void USBDHAL_StartEp0Out( uint32_t len, uint32_t ep0mps )
+{
+ USB->DOEP0TSIZ = ( len << _USB_DOEP0TSIZ_XFERSIZE_SHIFT ) |
+ ( 1 << _USB_DOEP0TSIZ_PKTCNT_SHIFT );
+
+ USB->DOEP0CTL = ( USB->DOEP0CTL & ~DEPCTL_WO_BITMASK )
+ | USB_DOEP0CTL_CNAK | USB_DOEP0CTL_EPENA
+ | ep0mps;
+}
+
+__STATIC_INLINE void USBDHAL_StartEp0Setup( USBD_Device_TypeDef *dev )
+{
+ dev->ep[ 0 ].in = false;
+
+#if defined( USB_DOEP0INT_STUPPKTRCVD )
+ USB->DOEP0TSIZ = ( 8*3 << _USB_DOEP0TSIZ_XFERSIZE_SHIFT ) |
+ ( 1 << _USB_DOEP0TSIZ_PKTCNT_SHIFT ) |
+ ( 3 << _USB_DOEP0TSIZ_SUPCNT_SHIFT );
+#else
+ USB->DOEP0TSIZ = 3 << _USB_DOEP0TSIZ_SUPCNT_SHIFT;
+#endif
+
+ dev->setup = dev->setupPkt;
+ USB->DOEP0DMAADDR = (uint32_t)dev->setup;
+
+#if defined( USB_DOEP0INT_STUPPKTRCVD )
+ USB->DOEP0CTL = ( USB->DOEP0CTL & ~DEPCTL_WO_BITMASK )
+ | USB_DOEP0CTL_EPENA
+ | dev->ep0MpsCode;
+#else
+ USB->DOEP0CTL = ( USB->DOEP0CTL & ~DEPCTL_WO_BITMASK )
+ | USB_DOEP0CTL_CNAK | USB_DOEP0CTL_EPENA
+ | dev->ep0MpsCode;
+#endif
+}
+
+__STATIC_INLINE void USBDHAL_StartEpIn( USBD_Ep_TypeDef *ep )
+{
+ uint32_t pktcnt, xfersize;
+
+ if ( ep->remaining == 0 ) /* ZLP ? */
+ {
+ pktcnt = 1;
+ xfersize = 0;
+ }
+ else
+ {
+ pktcnt = ( ep->remaining - 1 + ep->packetSize ) / ep->packetSize;
+ xfersize = ep->remaining;
+ }
+
+ USB_DINEPS[ ep->num ].TSIZ =
+ ( USB_DINEPS[ ep->num ].TSIZ &
+ ~DIEP_XFERSIZE_PKTCNT_MASK ) |
+ ( xfersize << _USB_DIEP_TSIZ_XFERSIZE_SHIFT ) |
+ ( pktcnt << _USB_DIEP_TSIZ_PKTCNT_SHIFT );
+
+ USB_DINEPS[ ep->num ].DMAADDR = (uint32_t)ep->buf;
+ USB_DINEPS[ ep->num ].CTL =
+ ( USB_DINEPS[ ep->num ].CTL & ~DEPCTL_WO_BITMASK ) |
+ USB_DIEP_CTL_CNAK |
+ USB_DIEP_CTL_EPENA;
+}
+
+__STATIC_INLINE void USBDHAL_StartEpOut( USBD_Ep_TypeDef *ep )
+{
+ uint32_t pktcnt, xfersize;
+
+ if ( ep->remaining == 0 ) /* ZLP ? */
+ {
+ pktcnt = 1;
+ xfersize = ep->packetSize;
+ }
+ else
+ {
+ pktcnt = ( ep->remaining - 1 + ep->packetSize ) / ep->packetSize;
+ xfersize = pktcnt * ep->packetSize;
+ }
+
+ USB_DOUTEPS[ ep->num ].TSIZ =
+ ( USB_DOUTEPS[ ep->num ].TSIZ &
+ ~DOEP_XFERSIZE_PKTCNT_MASK ) |
+ ( xfersize << _USB_DOEP_TSIZ_XFERSIZE_SHIFT ) |
+ ( pktcnt << _USB_DOEP_TSIZ_PKTCNT_SHIFT );
+
+ ep->hwXferSize = xfersize;
+ USB_DOUTEPS[ ep->num ].DMAADDR = (uint32_t)ep->buf;
+ USB_DOUTEPS[ ep->num ].CTL =
+ ( USB_DOUTEPS[ ep->num ].CTL &
+ ~DEPCTL_WO_BITMASK ) |
+ USB_DOEP_CTL_CNAK |
+ USB_DOEP_CTL_EPENA;
+}
+
+__STATIC_INLINE USB_Status_TypeDef USBDHAL_UnStallEp( USBD_Ep_TypeDef *ep )
+{
+ uint32_t depctl, eptype;
+ USB_Status_TypeDef retVal = USB_STATUS_REQ_ERR;
+
+ if ( ep->in == true )
+ {
+ depctl = USB_DINEPS[ ep->num ].CTL & ~DEPCTL_WO_BITMASK;
+ eptype = depctl & _USB_DIEP_CTL_EPTYPE_MASK;
+
+ if (( eptype == DIEPCTL_EPTYPE_INTR ) || ( eptype == DIEPCTL_EPTYPE_BULK ))
+ {
+ depctl |= USB_DIEP_CTL_SETD0PIDEF;
+ depctl &= ~USB_DIEP_CTL_STALL;
+ USB_DINEPS[ ep->num ].CTL = depctl;
+ retVal = USB_STATUS_OK;
+ }
+ }
+ else
+ {
+ depctl = USB_DOUTEPS[ ep->num ].CTL & ~DEPCTL_WO_BITMASK;
+ eptype = depctl & _USB_DOEP_CTL_EPTYPE_MASK;
+
+ if (( eptype == DIEPCTL_EPTYPE_INTR ) || ( eptype == DIEPCTL_EPTYPE_BULK ))
+ {
+ depctl |= USB_DOEP_CTL_SETD0PIDEF;
+ depctl &= ~USB_DOEP_CTL_STALL;
+ USB_DOUTEPS[ ep->num ].CTL = depctl;
+ retVal = USB_STATUS_OK;
+ }
+ }
+
+ return retVal;
+}
+#endif /* defined( USB_DEVICE ) */
+
+#if defined( USB_HOST )
+__STATIC_INLINE void USBHHAL_HCActivate( int hcnum, uint32_t hcchar, bool intep )
+{
+ uint32_t oddframe;
+
+ if ( intep )
+ {
+ oddframe = USB->HFNUM & 1;
+
+ USB->HC[ hcnum ].CHAR =
+ ( hcchar &
+ ~( USB_HC_CHAR_CHDIS | _USB_HC_CHAR_ODDFRM_MASK ) ) |
+
+ /* Schedule INT transfers to start in next frame. */
+ ( oddframe & 1 ? 0 : USB_HC_CHAR_ODDFRM ) |
+
+ USB_HC_CHAR_CHENA;
+ }
+ else
+ {
+ USB->HC[ hcnum ].CHAR = ( hcchar & ~USB_HC_CHAR_CHDIS ) |
+ USB_HC_CHAR_CHENA;
+ }
+}
+
+__STATIC_INLINE bool USBHHAL_InitializedAndPowered( void )
+{
+ if ( ( USB->ROUTE & USB_ROUTE_PHYPEN ) &&
+ ( USB->HPRT & USB_HPRT_PRTPWR ) )
+ return true;
+ return false;
+}
+
+__STATIC_INLINE void USBHHAL_EnableInts( void )
+{
+ /* Disable all interrupts. */
+ USB->GINTMSK = 0;
+
+ /* Clear pending OTG interrupts */
+ USB->GOTGINT = 0xFFFFFFFF;
+
+ /* Clear pending interrupts */
+ USB->GINTSTS = 0xFFFFFFFF;
+
+ USB->GINTMSK = USB_GINTMSK_PRTINTMSK |
+ USB_GINTMSK_HCHINTMSK |
+ USB_GINTMSK_DISCONNINTMSK;
+}
+
+__STATIC_INLINE uint16_t USBHHAL_GetFrameNum( void )
+{
+ return USB->HFNUM;
+}
+
+__STATIC_INLINE uint32_t USBHHAL_GetHcChar( uint8_t hcnum )
+{
+ return USB->HC[ hcnum ].CHAR;
+}
+
+__STATIC_INLINE uint32_t USBHHAL_GetHcInts( uint8_t hcnum )
+{
+ uint32_t retVal;
+
+ retVal = USB->HC[ hcnum ].INT;
+ return retVal;
+}
+
+__STATIC_INLINE uint32_t USBHHAL_GetHostChannelInts( void )
+{
+ return USB->HAINT;
+}
+
+__STATIC_INLINE uint8_t USBHHAL_GetPortSpeed( void )
+{
+ return ( USB->HPRT & _USB_HPRT_PRTSPD_MASK ) >> _USB_HPRT_PRTSPD_SHIFT;
+}
+
+__STATIC_INLINE void USBHHAL_PortReset( bool on )
+{
+ if ( on )
+ {
+ DEBUG_USB_INT_LO_PUTCHAR( '+' );
+ USB->HPRT = ( USB->HPRT & ~HPRT_WC_MASK ) | USB_HPRT_PRTRST;
+ }
+ else
+ {
+ DEBUG_USB_INT_LO_PUTCHAR( '-' );
+ USB->HPRT &= ~( HPRT_WC_MASK | USB_HPRT_PRTRST );
+ }
+}
+
+__STATIC_INLINE void USBHHAL_PortResume( bool on )
+{
+ if ( on )
+ {
+ USB->HPRT = ( USB->HPRT & ~( HPRT_WC_MASK | USB_HPRT_PRTSUSP ) ) |
+ USB_HPRT_PRTRES;
+ }
+ else
+ {
+ USB->HPRT &= ~( HPRT_WC_MASK | USB_HPRT_PRTSUSP | USB_HPRT_PRTRES );
+ }
+}
+
+__STATIC_INLINE void USBHHAL_PortSuspend( void )
+{
+ USB->HPRT = ( USB->HPRT & ~HPRT_WC_MASK ) | USB_HPRT_PRTSUSP;
+}
+
+__STATIC_INLINE void USBHHAL_VbusOn( bool on )
+{
+ if ( on )
+ {
+ USB->HPRT = ( USB->HPRT & ~HPRT_WC_MASK ) | USB_HPRT_PRTPWR;
+ DEBUG_USB_INT_LO_PUTCHAR( '/' );
+ }
+ else
+ {
+ USB->HPRT &= ~( HPRT_WC_MASK | USB_HPRT_PRTPWR );
+ DEBUG_USB_INT_LO_PUTCHAR( '\\' );
+ }
+}
+#endif /* defined( USB_HOST ) */
+
+/** @endcond */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* defined( USB_DEVICE ) || defined( USB_HOST ) */
+#endif /* defined( USB_PRESENT ) && ( USB_COUNT == 1 ) */
+#endif /* __EM_USBHAL_H */