comp.h
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1 //*****************************************************************************
2 //
3 // comp.h - Prototypes for the analog comparator driver.
4 //
5 // Copyright (c) 2005-2017 Texas Instruments Incorporated. All rights reserved.
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36 //*****************************************************************************
37 
38 #ifndef __DRIVERLIB_COMP_H__
39 #define __DRIVERLIB_COMP_H__
40 
41 #include <stdint.h>
42 #include <stdbool.h>
43 
44 //*****************************************************************************
45 //
46 // If building with a C++ compiler, make all of the definitions in this header
47 // have a C binding.
48 //
49 //*****************************************************************************
50 #ifdef __cplusplus
51 extern "C"
52 {
53 #endif
54 
55 //*****************************************************************************
56 //
57 // Values that can be passed to ComparatorConfigure() as the ui32Config
58 // parameter. For each group (in other words, COMP_TRIG_xxx, COMP_INT_xxx, and
59 // so on), one of the values may be selected and combined together with values
60 // from the other groups via a logical OR.
61 //
62 //*****************************************************************************
63 #define COMP_TRIG_NONE 0x00000000 // No ADC trigger
64 #define COMP_TRIG_HIGH 0x00000880 // Trigger when high
65 #define COMP_TRIG_LOW 0x00000800 // Trigger when low
66 #define COMP_TRIG_FALL 0x00000820 // Trigger on falling edge
67 #define COMP_TRIG_RISE 0x00000840 // Trigger on rising edge
68 #define COMP_TRIG_BOTH 0x00000860 // Trigger on both edges
69 #define COMP_INT_HIGH 0x00000010 // Interrupt when high
70 #define COMP_INT_LOW 0x00000000 // Interrupt when low
71 #define COMP_INT_FALL 0x00000004 // Interrupt on falling edge
72 #define COMP_INT_RISE 0x00000008 // Interrupt on rising edge
73 #define COMP_INT_BOTH 0x0000000C // Interrupt on both edges
74 #define COMP_ASRCP_PIN 0x00000000 // Dedicated Comp+ pin
75 #define COMP_ASRCP_PIN0 0x00000200 // Comp0+ pin
76 #define COMP_ASRCP_REF 0x00000400 // Internal voltage reference
77 #define COMP_OUTPUT_NORMAL 0x00000000 // Comparator output normal
78 #define COMP_OUTPUT_INVERT 0x00000002 // Comparator output inverted
79 
80 //*****************************************************************************
81 //
82 // Values that can be passed to ComparatorSetRef() as the ui32Ref parameter.
83 //
84 //*****************************************************************************
85 #define COMP_REF_OFF 0x00000000 // Turn off the internal reference
86 #define COMP_REF_0V 0x00000300 // Internal reference of 0V
87 #define COMP_REF_0_1375V 0x00000301 // Internal reference of 0.1375V
88 #define COMP_REF_0_275V 0x00000302 // Internal reference of 0.275V
89 #define COMP_REF_0_4125V 0x00000303 // Internal reference of 0.4125V
90 #define COMP_REF_0_55V 0x00000304 // Internal reference of 0.55V
91 #define COMP_REF_0_6875V 0x00000305 // Internal reference of 0.6875V
92 #define COMP_REF_0_825V 0x00000306 // Internal reference of 0.825V
93 #define COMP_REF_0_928125V 0x00000201 // Internal reference of 0.928125V
94 #define COMP_REF_0_9625V 0x00000307 // Internal reference of 0.9625V
95 #define COMP_REF_1_03125V 0x00000202 // Internal reference of 1.03125V
96 #define COMP_REF_1_134375V 0x00000203 // Internal reference of 1.134375V
97 #define COMP_REF_1_1V 0x00000308 // Internal reference of 1.1V
98 #define COMP_REF_1_2375V 0x00000309 // Internal reference of 1.2375V
99 #define COMP_REF_1_340625V 0x00000205 // Internal reference of 1.340625V
100 #define COMP_REF_1_375V 0x0000030A // Internal reference of 1.375V
101 #define COMP_REF_1_44375V 0x00000206 // Internal reference of 1.44375V
102 #define COMP_REF_1_5125V 0x0000030B // Internal reference of 1.5125V
103 #define COMP_REF_1_546875V 0x00000207 // Internal reference of 1.546875V
104 #define COMP_REF_1_65V 0x0000030C // Internal reference of 1.65V
105 #define COMP_REF_1_753125V 0x00000209 // Internal reference of 1.753125V
106 #define COMP_REF_1_7875V 0x0000030D // Internal reference of 1.7875V
107 #define COMP_REF_1_85625V 0x0000020A // Internal reference of 1.85625V
108 #define COMP_REF_1_925V 0x0000030E // Internal reference of 1.925V
109 #define COMP_REF_1_959375V 0x0000020B // Internal reference of 1.959375V
110 #define COMP_REF_2_0625V 0x0000030F // Internal reference of 2.0625V
111 #define COMP_REF_2_165625V 0x0000020D // Internal reference of 2.165625V
112 #define COMP_REF_2_26875V 0x0000020E // Internal reference of 2.26875V
113 #define COMP_REF_2_371875V 0x0000020F // Internal reference of 2.371875V
114 
115 //*****************************************************************************
116 //
117 // Prototypes for the APIs.
118 //
119 //*****************************************************************************
120 extern void ComparatorConfigure(uint32_t ui32Base, uint32_t ui32Comp,
121  uint32_t ui32Config);
122 extern void ComparatorRefSet(uint32_t ui32Base, uint32_t ui32Ref);
123 extern bool ComparatorValueGet(uint32_t ui32Base, uint32_t ui32Comp);
124 extern void ComparatorIntRegister(uint32_t ui32Base, uint32_t ui32Comp,
125  void (*pfnHandler)(void));
126 extern void ComparatorIntUnregister(uint32_t ui32Base, uint32_t ui32Comp);
127 extern void ComparatorIntEnable(uint32_t ui32Base, uint32_t ui32Comp);
128 extern void ComparatorIntDisable(uint32_t ui32Base, uint32_t ui32Comp);
129 extern bool ComparatorIntStatus(uint32_t ui32Base, uint32_t ui32Comp,
130  bool bMasked);
131 extern void ComparatorIntClear(uint32_t ui32Base, uint32_t ui32Comp);
132 
133 //*****************************************************************************
134 //
135 // Mark the end of the C bindings section for C++ compilers.
136 //
137 //*****************************************************************************
138 #ifdef __cplusplus
139 }
140 #endif
141 
142 #endif // __DRIVERLIB_COMP_H__
void ComparatorIntEnable(uint32_t ui32Base, uint32_t ui32Comp)
Definition: comp.c:321
void ComparatorConfigure(uint32_t ui32Base, uint32_t ui32Comp, uint32_t ui32Config)
Definition: comp.c:110
void ComparatorIntUnregister(uint32_t ui32Base, uint32_t ui32Comp)
Definition: comp.c:282
void ComparatorIntDisable(uint32_t ui32Base, uint32_t ui32Comp)
Definition: comp.c:350
void ComparatorIntClear(uint32_t ui32Base, uint32_t ui32Comp)
Definition: comp.c:430
bool ComparatorIntStatus(uint32_t ui32Base, uint32_t ui32Comp, bool bMasked)
Definition: comp.c:381
void ComparatorIntRegister(uint32_t ui32Base, uint32_t ui32Comp, void(*pfnHandler)(void))
Definition: comp.c:239
bool ComparatorValueGet(uint32_t ui32Base, uint32_t ui32Comp)
Definition: comp.c:195
void ComparatorRefSet(uint32_t ui32Base, uint32_t ui32Ref)
Definition: comp.c:168
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