Files
allwpilib/hal/include/HAL/Counter.h

59 lines
3.0 KiB
C

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2016. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#pragma once
#include <stdint.h>
#include "HAL/Handles.h"
enum Mode {
kTwoPulse = 0,
kSemiperiod = 1,
kPulseLength = 2,
kExternalDirection = 3
};
extern "C" {
HalCounterHandle initializeCounter(Mode mode, int32_t* index, int32_t* status);
void freeCounter(HalCounterHandle counter_handle, int32_t* status);
void setCounterAverageSize(HalCounterHandle counter_handle, int32_t size,
int32_t* status);
void setCounterUpSource(HalCounterHandle counter_handle, uint32_t pin,
bool analogTrigger, int32_t* status);
void setCounterUpSourceEdge(HalCounterHandle counter_handle, bool risingEdge,
bool fallingEdge, int32_t* status);
void clearCounterUpSource(HalCounterHandle counter_handle, int32_t* status);
void setCounterDownSource(HalCounterHandle counter_handle, uint32_t pin,
bool analogTrigger, int32_t* status);
void setCounterDownSourceEdge(HalCounterHandle counter_handle, bool risingEdge,
bool fallingEdge, int32_t* status);
void clearCounterDownSource(HalCounterHandle counter_handle, int32_t* status);
void setCounterUpDownMode(HalCounterHandle counter_handle, int32_t* status);
void setCounterExternalDirectionMode(HalCounterHandle counter_handle,
int32_t* status);
void setCounterSemiPeriodMode(HalCounterHandle counter_handle,
bool highSemiPeriod, int32_t* status);
void setCounterPulseLengthMode(HalCounterHandle counter_handle,
double threshold, int32_t* status);
int32_t getCounterSamplesToAverage(HalCounterHandle counter_handle,
int32_t* status);
void setCounterSamplesToAverage(HalCounterHandle counter_handle,
int samplesToAverage, int32_t* status);
void resetCounter(HalCounterHandle counter_handle, int32_t* status);
int32_t getCounter(HalCounterHandle counter_handle, int32_t* status);
double getCounterPeriod(HalCounterHandle counter_handle, int32_t* status);
void setCounterMaxPeriod(HalCounterHandle counter_handle, double maxPeriod,
int32_t* status);
void setCounterUpdateWhenEmpty(HalCounterHandle counter_handle, bool enabled,
int32_t* status);
bool getCounterStopped(HalCounterHandle counter_handle, int32_t* status);
bool getCounterDirection(HalCounterHandle counter_handle, int32_t* status);
void setCounterReverseDirection(HalCounterHandle counter_handle,
bool reverseDirection, int32_t* status);
}