From 44b979ac3dc53b29ee8176517b7d9a10935630c0 Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Mon, 29 Oct 2012 21:36:23 +0200 Subject: Initial code --- driverlib/fpu.h | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 driverlib/fpu.h (limited to 'driverlib/fpu.h') diff --git a/driverlib/fpu.h b/driverlib/fpu.h new file mode 100644 index 0000000..3cf105a --- /dev/null +++ b/driverlib/fpu.h @@ -0,0 +1,112 @@ +//***************************************************************************** +// +// fpu.h - Prototypes for the floatint point manipulation routines. +// +// Copyright (c) 2011-2012 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 __FPU_H__ +#define __FPU_H__ + +//***************************************************************************** +// +// If building with a C++ compiler, make all of the definitions in this header +// have a C binding. +// +//***************************************************************************** +#ifdef __cplusplus +extern "C" +{ +#endif + +//***************************************************************************** +// +// Values that can be passed to FPUHalfPrecisionSet as the ulMode parameter. +// +//***************************************************************************** +#define FPU_HALF_IEEE 0x00000000 +#define FPU_HALF_ALTERNATE 0x04000000 + +//***************************************************************************** +// +// Values that can be passed to FPUNaNModeSet as the ulMode parameter. +// +//***************************************************************************** +#define FPU_NAN_PROPAGATE 0x00000000 +#define FPU_NAN_DEFAULT 0x02000000 + +//***************************************************************************** +// +// Values that can be passed to FPUFlushToZeroModeSet as the ulMode parameter. +// +//***************************************************************************** +#define FPU_FLUSH_TO_ZERO_DIS 0x00000000 +#define FPU_FLUSH_TO_ZERO_EN 0x01000000 + +//***************************************************************************** +// +// Values that can be passed to FPURoundingModeSet as the ulMode parameter. +// +//***************************************************************************** +#define FPU_ROUND_NEAREST 0x00000000 +#define FPU_ROUND_POS_INF 0x00400000 +#define FPU_ROUND_NEG_INF 0x00800000 +#define FPU_ROUND_ZERO 0x00c00000 + +//***************************************************************************** +// +// Prototypes. +// +//***************************************************************************** +extern void FPUEnable(void); +extern void FPUDisable(void); +extern void FPUStackingEnable(void); +extern void FPULazyStackingEnable(void); +extern void FPUStackingDisable(void); +extern void FPUHalfPrecisionModeSet(unsigned long ulMode); +extern void FPUNaNModeSet(unsigned long ulMode); +extern void FPUFlushToZeroModeSet(unsigned long ulMode); +extern void FPURoundingModeSet(unsigned long ulMode); + +//***************************************************************************** +// +// Mark the end of the C bindings section for C++ compilers. +// +//***************************************************************************** +#ifdef __cplusplus +} +#endif + +#endif // __FPU_H__ -- cgit v1.3.1