142 lines
7.4 KiB
C
142 lines
7.4 KiB
C
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//*****************************************************************************
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//
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// comp.h - Prototypes for the analog comparator driver.
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//
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// Copyright (c) 2005-2017 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// This is part of revision 2.1.4.178 of the Tiva Peripheral Driver Library.
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//
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//*****************************************************************************
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#ifndef __DRIVERLIB_COMP_H__
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#define __DRIVERLIB_COMP_H__
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// Values that can be passed to ComparatorConfigure() as the ui32Config
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// parameter. For each group (in other words, COMP_TRIG_xxx, COMP_INT_xxx, and
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// so on), one of the values may be selected and combined together with values
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// from the other groups via a logical OR.
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//
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//*****************************************************************************
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#define COMP_TRIG_NONE 0x00000000 // No ADC trigger
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#define COMP_TRIG_HIGH 0x00000880 // Trigger when high
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#define COMP_TRIG_LOW 0x00000800 // Trigger when low
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#define COMP_TRIG_FALL 0x00000820 // Trigger on falling edge
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#define COMP_TRIG_RISE 0x00000840 // Trigger on rising edge
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#define COMP_TRIG_BOTH 0x00000860 // Trigger on both edges
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#define COMP_INT_HIGH 0x00000010 // Interrupt when high
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#define COMP_INT_LOW 0x00000000 // Interrupt when low
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#define COMP_INT_FALL 0x00000004 // Interrupt on falling edge
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#define COMP_INT_RISE 0x00000008 // Interrupt on rising edge
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#define COMP_INT_BOTH 0x0000000C // Interrupt on both edges
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#define COMP_ASRCP_PIN 0x00000000 // Dedicated Comp+ pin
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#define COMP_ASRCP_PIN0 0x00000200 // Comp0+ pin
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#define COMP_ASRCP_REF 0x00000400 // Internal voltage reference
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#define COMP_OUTPUT_NORMAL 0x00000000 // Comparator output normal
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#define COMP_OUTPUT_INVERT 0x00000002 // Comparator output inverted
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//*****************************************************************************
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//
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// Values that can be passed to ComparatorSetRef() as the ui32Ref parameter.
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//
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//*****************************************************************************
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#define COMP_REF_OFF 0x00000000 // Turn off the internal reference
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#define COMP_REF_0V 0x00000300 // Internal reference of 0V
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#define COMP_REF_0_1375V 0x00000301 // Internal reference of 0.1375V
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#define COMP_REF_0_275V 0x00000302 // Internal reference of 0.275V
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#define COMP_REF_0_4125V 0x00000303 // Internal reference of 0.4125V
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#define COMP_REF_0_55V 0x00000304 // Internal reference of 0.55V
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#define COMP_REF_0_6875V 0x00000305 // Internal reference of 0.6875V
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#define COMP_REF_0_825V 0x00000306 // Internal reference of 0.825V
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#define COMP_REF_0_928125V 0x00000201 // Internal reference of 0.928125V
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#define COMP_REF_0_9625V 0x00000307 // Internal reference of 0.9625V
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#define COMP_REF_1_03125V 0x00000202 // Internal reference of 1.03125V
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#define COMP_REF_1_134375V 0x00000203 // Internal reference of 1.134375V
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#define COMP_REF_1_1V 0x00000308 // Internal reference of 1.1V
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#define COMP_REF_1_2375V 0x00000309 // Internal reference of 1.2375V
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#define COMP_REF_1_340625V 0x00000205 // Internal reference of 1.340625V
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#define COMP_REF_1_375V 0x0000030A // Internal reference of 1.375V
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#define COMP_REF_1_44375V 0x00000206 // Internal reference of 1.44375V
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#define COMP_REF_1_5125V 0x0000030B // Internal reference of 1.5125V
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#define COMP_REF_1_546875V 0x00000207 // Internal reference of 1.546875V
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#define COMP_REF_1_65V 0x0000030C // Internal reference of 1.65V
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#define COMP_REF_1_753125V 0x00000209 // Internal reference of 1.753125V
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#define COMP_REF_1_7875V 0x0000030D // Internal reference of 1.7875V
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#define COMP_REF_1_85625V 0x0000020A // Internal reference of 1.85625V
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#define COMP_REF_1_925V 0x0000030E // Internal reference of 1.925V
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#define COMP_REF_1_959375V 0x0000020B // Internal reference of 1.959375V
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#define COMP_REF_2_0625V 0x0000030F // Internal reference of 2.0625V
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#define COMP_REF_2_165625V 0x0000020D // Internal reference of 2.165625V
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#define COMP_REF_2_26875V 0x0000020E // Internal reference of 2.26875V
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#define COMP_REF_2_371875V 0x0000020F // Internal reference of 2.371875V
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//*****************************************************************************
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//
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// Prototypes for the APIs.
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//
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//*****************************************************************************
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extern void ComparatorConfigure(uint32_t ui32Base, uint32_t ui32Comp,
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uint32_t ui32Config);
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extern void ComparatorRefSet(uint32_t ui32Base, uint32_t ui32Ref);
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extern bool ComparatorValueGet(uint32_t ui32Base, uint32_t ui32Comp);
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extern void ComparatorIntRegister(uint32_t ui32Base, uint32_t ui32Comp,
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void (*pfnHandler)(void));
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extern void ComparatorIntUnregister(uint32_t ui32Base, uint32_t ui32Comp);
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extern void ComparatorIntEnable(uint32_t ui32Base, uint32_t ui32Comp);
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extern void ComparatorIntDisable(uint32_t ui32Base, uint32_t ui32Comp);
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extern bool ComparatorIntStatus(uint32_t ui32Base, uint32_t ui32Comp,
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bool bMasked);
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extern void ComparatorIntClear(uint32_t ui32Base, uint32_t ui32Comp);
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif
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#endif // __DRIVERLIB_COMP_H__
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