Diff: targets/TARGET_Silicon_Labs/inc/em_usbd.h

Revision:

71:53949e6131f6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_Silicon_Labs/inc/em_usbd.h	Thu Jul 27 12:14:04 2017 +0100
@@ -0,0 +1,206 @@
+/***************************************************************************//**
+ * @file em_usbd.h
+ * @brief USB protocol stack library API for EFM32.
+ * @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_USBD_H
+#define __EM_USBD_H
+
+#include "em_device.h"
+#if defined( USB_PRESENT ) && ( USB_COUNT == 1 )
+#include "em_usb.h"
+#if defined( USB_DEVICE )
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
+
+#if defined( DEBUG_USB_API )
+#define DEBUG_TRACE_ABORT( x )                                  \
+{                                                               \
+  if ( x == USB_STATUS_EP_STALLED )                             \
+  {  DEBUG_USB_API_PUTS( "\nEP cb(), EP stalled" );           } \
+  else if ( x == USB_STATUS_EP_ABORTED )                        \
+  {  DEBUG_USB_API_PUTS( "\nEP cb(), EP aborted" );           } \
+  else if ( x == USB_STATUS_DEVICE_UNCONFIGURED )               \
+  {  DEBUG_USB_API_PUTS( "\nEP cb(), device unconfigured" );  } \
+  else if ( x == USB_STATUS_DEVICE_SUSPENDED )                  \
+  {  DEBUG_USB_API_PUTS( "\nEP cb(), device suspended" );     } \
+  else /* ( x == USB_STATUS_DEVICE_RESET ) */                   \
+  {  DEBUG_USB_API_PUTS( "\nEP cb(), device reset" );         } \
+}
+#else
+#define DEBUG_TRACE_ABORT( x )
+#endif
+
+extern USBD_Device_TypeDef *dev;
+extern volatile bool USBD_poweredDown;
+
+__STATIC_INLINE void USBD_ArmEp0( USBD_Ep_TypeDef *ep );
+__STATIC_INLINE void USBD_ArmEpN( USBD_Ep_TypeDef *ep );
+__STATIC_INLINE void USBD_AbortEp( USBD_Ep_TypeDef *ep );
+
+void USBD_SetUsbState( USBD_State_TypeDef newState );
+
+int  USBDCH9_SetupCmd( USBD_Device_TypeDef *device );
+
+void USBDEP_Ep0Handler( USBD_Device_TypeDef *device );
+void USBDEP_EpHandler( uint8_t epAddr );
+
+__STATIC_INLINE void USBD_ActivateAllEps( bool forceIdle )
+{
+  int i;
+
+  for ( i = 1; i <= NUM_EP_USED; i++ )
+  {
+    USBDHAL_ActivateEp( &dev->ep[ i ], forceIdle );
+  }
+}
+
+__STATIC_INLINE void USBD_ArmEp( USBD_Ep_TypeDef *ep )
+{
+  if ( ep->num == 0 )
+  {
+    USBD_ArmEp0( ep );
+  }
+  else
+  {
+    USBD_ArmEpN( ep );
+  }
+}
+
+__STATIC_INLINE void USBD_ArmEp0( USBD_Ep_TypeDef *ep )
+{
+  if ( ep->in )
+  {
+    if ( ep->remaining == 0 )       /* Zero Length Packet? */
+    {
+      ep->zlp = 1;
+    }
+
+    USBDHAL_SetEp0InDmaPtr( ep->buf );
+    USBDHAL_StartEp0In( EFM32_MIN( ep->remaining, ep->packetSize ),
+                        dev->ep0MpsCode );
+  }
+  else
+  {
+    USBDHAL_SetEp0OutDmaPtr( ep->buf );
+    USBDHAL_StartEp0Out( ep->packetSize, dev->ep0MpsCode );
+  }
+}
+
+__STATIC_INLINE void USBD_ArmEpN( USBD_Ep_TypeDef *ep )
+{
+  if ( ep->in )
+  {
+    USBDHAL_StartEpIn( ep );
+  }
+  else
+  {
+    USBDHAL_StartEpOut( ep );
+  }
+}
+
+__STATIC_INLINE void USBD_DeactivateAllEps( USB_Status_TypeDef reason )
+{
+  int i;
+  USBD_Ep_TypeDef *ep;
+
+  for ( i = 1; i <= NUM_EP_USED; i++ )
+  {
+    ep = &dev->ep[ i ];
+
+    if ( ep->state == D_EP_IDLE )
+    {
+      USBDHAL_DeactivateEp( ep );
+    }
+  }
+
+  USBDHAL_AbortAllTransfers( reason );
+}
+
+__STATIC_INLINE USBD_Ep_TypeDef *USBD_GetEpFromAddr( uint8_t epAddr )
+{
+  int epIndex;
+  USBD_Ep_TypeDef *ep = NULL;
+
+  if ( epAddr & USB_SETUP_DIR_MASK )
+  {
+    epIndex = dev->inEpAddr2EpIndex[ epAddr & USB_EPNUM_MASK ];
+  }
+  else
+  {
+    epIndex = dev->outEpAddr2EpIndex[ epAddr & USB_EPNUM_MASK ];
+  }
+
+  if ( epIndex )
+  {
+    ep = &dev->ep[ epIndex ];
+  }
+  else if ( ( epAddr & USB_EPNUM_MASK ) == 0 )
+  {
+    ep = &dev->ep[ 0 ];
+  }
+
+  return ep;
+}
+
+__STATIC_INLINE void USBD_ReArmEp0( USBD_Ep_TypeDef *ep )
+{
+  if ( ep->in )
+  {
+    USBDHAL_StartEp0In( EFM32_MIN( ep->remaining, ep->packetSize ),
+                        dev->ep0MpsCode );
+  }
+  else
+  {
+    USBDHAL_StartEp0Out( ep->packetSize, dev->ep0MpsCode );
+  }
+}
+
+__STATIC_INLINE void USBD_AbortEp( USBD_Ep_TypeDef *ep )
+{
+  if ( ep->state == D_EP_IDLE )
+  {
+    return;
+  }
+
+  if ( ep->in )
+  {
+    USBDHAL_AbortEpIn( ep );
+  }
+  else
+  {
+    USBDHAL_AbortEpOut( ep );
+  }
+}
+
+/** @endcond */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* defined( USB_DEVICE ) */
+#endif /* defined( USB_PRESENT ) && ( USB_COUNT == 1 ) */
+#endif /* __EM_USBD_H */