USB device stack that isn't working
Fork of USBDevice by
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 */