| jerrym | f157933 | 2013-02-07 01:56:28 +0000 | [diff] [blame] | 1 | /*----------------------------------------------------------------------------*/
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| 2 | /* Copyright (c) FIRST 2008. All Rights Reserved. */
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| 3 | /* Open Source Software - may be modified and shared by FRC teams. The code */
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| 4 | /* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib. */
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| 5 | /*----------------------------------------------------------------------------*/
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| 6 |
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| 7 | #ifndef CPPCOUNTER_BASE_H_
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| 8 | #define CPPCOUNTER_BASE_H_
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| 9 |
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| 10 | /**
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| 11 | * Interface for counting the number of ticks on a digital input channel.
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| 12 | * Encoders, Gear tooth sensors, and counters should all subclass this so it can be used to
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| 13 | * build more advanced classes for control and driving.
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| 14 | */
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| 15 | class CounterBase
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| 16 | {
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| 17 | public:
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| 18 | typedef enum {k1X, k2X, k4X} EncodingType;
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| 19 |
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| 20 | virtual ~CounterBase() {}
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| 21 | virtual void Start() = 0;
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| 22 | virtual INT32 Get() = 0;
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| 23 | virtual void Reset() = 0;
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| 24 | virtual void Stop() = 0;
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| 25 | virtual double GetPeriod() = 0;
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| 26 | virtual void SetMaxPeriod(double maxPeriod) = 0;
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| 27 | virtual bool GetStopped() = 0;
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| 28 | virtual bool GetDirection() = 0;
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| 29 | };
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| 30 |
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| 31 | #endif
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