1 //***************************************************************************** 2 // 3 // comp.h - Prototypes for the analog comparator driver. 4 // 5 // Copyright (c) 2005-2011 Texas Instruments Incorporated. All rights reserved. 6 // Software License Agreement 7 // 8 // Texas Instruments (TI) is supplying this software for use solely and 9 // exclusively on TI's microcontroller products. The software is owned by 10 // TI and/or its suppliers, and is protected under applicable copyright 11 // laws. You may not combine this software with "viral" open-source 12 // software in order to form a larger program. 13 // 14 // THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS. 15 // NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT 16 // NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 17 // A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY 18 // CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL 19 // DAMAGES, FOR ANY REASON WHATSOEVER. 20 // 21 // This is part of revision 8264 of the Stellaris Peripheral Driver Library. 22 // 23 //***************************************************************************** 24 25 #ifndef __COMP_H__ 26 #define __COMP_H__ 27 28 //***************************************************************************** 29 // 30 // If building with a C++ compiler, make all of the definitions in this header 31 // have a C binding. 32 // 33 //***************************************************************************** 34 #ifdef __cplusplus 35 extern "C" 36 { 37 #endif 38 39 //***************************************************************************** 40 // 41 // Values that can be passed to ComparatorConfigure() as the ulConfig 42 // parameter. For each group (i.e. COMP_TRIG_xxx, COMP_INT_xxx, etc.), one of 43 // the values may be selected and combined together with values from the other 44 // groups via a logical OR. 45 // 46 //***************************************************************************** 47 #define COMP_TRIG_NONE 0x00000000 // No ADC trigger 48 #define COMP_TRIG_HIGH 0x00000880 // Trigger when high 49 #define COMP_TRIG_LOW 0x00000800 // Trigger when low 50 #define COMP_TRIG_FALL 0x00000820 // Trigger on falling edge 51 #define COMP_TRIG_RISE 0x00000840 // Trigger on rising edge 52 #define COMP_TRIG_BOTH 0x00000860 // Trigger on both edges 53 #define COMP_INT_HIGH 0x00000010 // Interrupt when high 54 #define COMP_INT_LOW 0x00000000 // Interrupt when low 55 #define COMP_INT_FALL 0x00000004 // Interrupt on falling edge 56 #define COMP_INT_RISE 0x00000008 // Interrupt on rising edge 57 #define COMP_INT_BOTH 0x0000000C // Interrupt on both edges 58 #define COMP_ASRCP_PIN 0x00000000 // Dedicated Comp+ pin 59 #define COMP_ASRCP_PIN0 0x00000200 // Comp0+ pin 60 #define COMP_ASRCP_REF 0x00000400 // Internal voltage reference 61 #ifndef DEPRECATED 62 #define COMP_OUTPUT_NONE 0x00000000 // No comparator output 63 #endif 64 #define COMP_OUTPUT_NORMAL 0x00000000 // Comparator output normal 65 #define COMP_OUTPUT_INVERT 0x00000002 // Comparator output inverted 66 67 //***************************************************************************** 68 // 69 // Values that can be passed to ComparatorSetRef() as the ulRef parameter. 70 // 71 //***************************************************************************** 72 #define COMP_REF_OFF 0x00000000 // Turn off the internal reference 73 #define COMP_REF_0V 0x00000300 // Internal reference of 0V 74 #define COMP_REF_0_1375V 0x00000301 // Internal reference of 0.1375V 75 #define COMP_REF_0_275V 0x00000302 // Internal reference of 0.275V 76 #define COMP_REF_0_4125V 0x00000303 // Internal reference of 0.4125V 77 #define COMP_REF_0_55V 0x00000304 // Internal reference of 0.55V 78 #define COMP_REF_0_6875V 0x00000305 // Internal reference of 0.6875V 79 #define COMP_REF_0_825V 0x00000306 // Internal reference of 0.825V 80 #define COMP_REF_0_928125V 0x00000201 // Internal reference of 0.928125V 81 #define COMP_REF_0_9625V 0x00000307 // Internal reference of 0.9625V 82 #define COMP_REF_1_03125V 0x00000202 // Internal reference of 1.03125V 83 #define COMP_REF_1_134375V 0x00000203 // Internal reference of 1.134375V 84 #define COMP_REF_1_1V 0x00000308 // Internal reference of 1.1V 85 #define COMP_REF_1_2375V 0x00000309 // Internal reference of 1.2375V 86 #define COMP_REF_1_340625V 0x00000205 // Internal reference of 1.340625V 87 #define COMP_REF_1_375V 0x0000030A // Internal reference of 1.375V 88 #define COMP_REF_1_44375V 0x00000206 // Internal reference of 1.44375V 89 #define COMP_REF_1_5125V 0x0000030B // Internal reference of 1.5125V 90 #define COMP_REF_1_546875V 0x00000207 // Internal reference of 1.546875V 91 #define COMP_REF_1_65V 0x0000030C // Internal reference of 1.65V 92 #define COMP_REF_1_753125V 0x00000209 // Internal reference of 1.753125V 93 #define COMP_REF_1_7875V 0x0000030D // Internal reference of 1.7875V 94 #define COMP_REF_1_85625V 0x0000020A // Internal reference of 1.85625V 95 #define COMP_REF_1_925V 0x0000030E // Internal reference of 1.925V 96 #define COMP_REF_1_959375V 0x0000020B // Internal reference of 1.959375V 97 #define COMP_REF_2_0625V 0x0000030F // Internal reference of 2.0625V 98 #define COMP_REF_2_165625V 0x0000020D // Internal reference of 2.165625V 99 #define COMP_REF_2_26875V 0x0000020E // Internal reference of 2.26875V 100 #define COMP_REF_2_371875V 0x0000020F // Internal reference of 2.371875V 101 102 //***************************************************************************** 103 // 104 // Prototypes for the APIs. 105 // 106 //***************************************************************************** 107 extern void ComparatorConfigure(unsigned long ulBase, unsigned long ulComp, 108 unsigned long ulConfig); 109 extern void ComparatorRefSet(unsigned long ulBase, unsigned long ulRef); 110 extern tBoolean ComparatorValueGet(unsigned long ulBase, unsigned long ulComp); 111 extern void ComparatorIntRegister(unsigned long ulBase, unsigned long ulComp, 112 void (*pfnHandler)(void)); 113 extern void ComparatorIntUnregister(unsigned long ulBase, 114 unsigned long ulComp); 115 extern void ComparatorIntEnable(unsigned long ulBase, unsigned long ulComp); 116 extern void ComparatorIntDisable(unsigned long ulBase, unsigned long ulComp); 117 extern tBoolean ComparatorIntStatus(unsigned long ulBase, unsigned long ulComp, 118 tBoolean bMasked); 119 extern void ComparatorIntClear(unsigned long ulBase, unsigned long ulComp); 120 121 //***************************************************************************** 122 // 123 // Mark the end of the C bindings section for C++ compilers. 124 // 125 //***************************************************************************** 126 #ifdef __cplusplus 127 } 128 #endif 129 130 #endif // __COMP_H__ 131