2013-01-08 22:40:58 +08:00
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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) 2005-2011 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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//
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// Texas Instruments (TI) is supplying this software for use solely and
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// exclusively on TI's microcontroller products. The software is owned by
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// TI and/or its suppliers, and is protected under applicable copyright
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// laws. You may not combine this software with "viral" open-source
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// software in order to form a larger program.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
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// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
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// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
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// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
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// DAMAGES, FOR ANY REASON WHATSOEVER.
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//
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// This is part of revision 8264 of the Stellaris Peripheral Driver Library.
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//
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//*****************************************************************************
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#ifndef __COMP_H__
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#define __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 ulConfig
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// parameter. For each group (i.e. COMP_TRIG_xxx, COMP_INT_xxx, etc.), one of
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// the values may be selected and combined together with values from the other
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// 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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#ifndef DEPRECATED
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#define COMP_OUTPUT_NONE 0x00000000 // No comparator output
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#endif
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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 ulRef 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(unsigned long ulBase, unsigned long ulComp,
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unsigned long ulConfig);
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extern void ComparatorRefSet(unsigned long ulBase, unsigned long ulRef);
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extern tBoolean ComparatorValueGet(unsigned long ulBase, unsigned long ulComp);
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extern void ComparatorIntRegister(unsigned long ulBase, unsigned long ulComp,
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void (*pfnHandler)(void));
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extern void ComparatorIntUnregister(unsigned long ulBase,
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unsigned long ulComp);
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extern void ComparatorIntEnable(unsigned long ulBase, unsigned long ulComp);
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extern void ComparatorIntDisable(unsigned long ulBase, unsigned long ulComp);
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extern tBoolean ComparatorIntStatus(unsigned long ulBase, unsigned long ulComp,
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tBoolean bMasked);
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extern void ComparatorIntClear(unsigned long ulBase, unsigned long ulComp);
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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 // __COMP_H__
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