108 lines
4.8 KiB
C
108 lines
4.8 KiB
C
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// rtos_bindings.h - Macros ulIntIDended to aid porting of StellarisWare modules
|
||
|
|
// for use with an RTOS.
|
||
|
|
//
|
||
|
|
// Copyright (c) 2012 Texas Instruments Incorporated. All rights reserved.
|
||
|
|
// Software License Agreement
|
||
|
|
//
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions
|
||
|
|
// are met:
|
||
|
|
//
|
||
|
|
// Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
//
|
||
|
|
// Redistributions in binary form must reproduce the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer in the
|
||
|
|
// documentation and/or other materials provided with the
|
||
|
|
// distribution.
|
||
|
|
//
|
||
|
|
// Neither the name of Texas Instruments Incorporated nor the names of
|
||
|
|
// its contributors may be used to endorse or promote products derived
|
||
|
|
// from this software without specific prior written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
//
|
||
|
|
// This is part of revision 9453 of the Stellaris Peripheral Driver Library.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#ifndef RTOS_BINDINGS_H_
|
||
|
|
#define RTOS_BINDINGS_H_
|
||
|
|
|
||
|
|
#ifdef USE_RTOS
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// If an RTOS is in use, implement a header file called "stellaris_rtos.h"
|
||
|
|
// which contains RTOS-specific versions of each of the macros defined below
|
||
|
|
// and make sure it appears on the include path set when you build your
|
||
|
|
// project.
|
||
|
|
//
|
||
|
|
// Note that there is no default implementation of this header file included
|
||
|
|
// in StellarisWare - it is your responsibility to create it specifically for
|
||
|
|
// your RTOS.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#include "stellaris_rtos.h"
|
||
|
|
|
||
|
|
#else
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// When no RTOS is in use, the follow macros compile to either nothing or a
|
||
|
|
// minimal implementation that works in a bare-metal environment.
|
||
|
|
//
|
||
|
|
// Each of these macros must be redefined in stellaris_rtos.h if you are using
|
||
|
|
// StellarisWare under an RTOS.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// A simple macro used to yield within polling loops. In the default, non-RTOS
|
||
|
|
// implementation, this compiles to nothing.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define OS_YIELD()
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// A simple macro around the SysCtlDelay function. The parameter is the number
|
||
|
|
// of 3 cycle loops to wait before returning (as for SysCtlDelay). In an RTOS
|
||
|
|
// implementation, this could be replaced with an OS delay call with
|
||
|
|
// appropriate parameter scaling.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define OS_DELAY(ul3Cycles) MAP_SysCtlDelay(ul3Cycles)
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// Wrappers around low level interrupt control functions. For information
|
||
|
|
// on each of these functions, please see the appropriate API documentation
|
||
|
|
// for the DriverLib Interrupt driver.
|
||
|
|
//
|
||
|
|
// The macros defined here represent interrupt-control functions that may be
|
||
|
|
// called from within StellarisWare code. It is expected that application
|
||
|
|
// code will use RTOS-specific functions to control interrupt priority, to
|
||
|
|
// pend interrupts and to perform runtime vector manipulation. As a result,
|
||
|
|
// no macros are defined to wrap any of these functions from interrupt.c.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define OS_INT_MASTER_ENABLE() MAP_IntMasterEnable()
|
||
|
|
#define OS_INT_MASTER_DISABLE() MAP_IntMasterDisable()
|
||
|
|
#define OS_INT_DISABLE(ulIntID) MAP_IntDisable(ulIntID)
|
||
|
|
#define OS_INT_ENABLE(ulIntID) MAP_IntEnable(ulIntID)
|
||
|
|
|
||
|
|
#endif // USE_RTOS
|
||
|
|
|
||
|
|
#endif // RTOS_BINDINGS_H_
|