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Initial checkin of unified hierarchy of WPILib 2015

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Brad Miller
2013-12-15 18:30:16 -05:00
commit 3178911eef
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wpilibc/src/main/include/AnalogModule.h Normal file
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/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2008. 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 $(WIND_BASE)/WPILib. */
/*----------------------------------------------------------------------------*/
#ifndef ANALOG_MODULE_H_
#define ANALOG_MODULE_H_
#include "HAL/HAL.h"
#include "Module.h"
/**
* Analog Module class.
* Each module can independently sample its channels at a configurable rate.
* There is a 64-bit hardware accumulator associated with channel 1 on each module.
* The accumulator is attached to the output of the oversample and average engine so that the center
* value can be specified in higher resolution resulting in less error.
*/
class AnalogModule: public Module
{
friend class Module;
public:
static const long kTimebase = 40000000; ///< 40 MHz clock
static const long kDefaultOversampleBits = 0;
static const long kDefaultAverageBits = 7;
static const uint32_t kAnalogChannels = 8;
static constexpr float kDefaultSampleRate = 50000.0;
void SetSampleRate(float samplesPerSecond);
float GetSampleRate();
void SetAverageBits(uint32_t channel, uint32_t bits);
uint32_t GetAverageBits(uint32_t channel);
void SetOversampleBits(uint32_t channel, uint32_t bits);
uint32_t GetOversampleBits(uint32_t channel);
int16_t GetValue(uint32_t channel);
int32_t GetAverageValue(uint32_t channel);
float GetAverageVoltage(uint32_t channel);
float GetVoltage(uint32_t channel);
uint32_t GetLSBWeight(uint32_t channel);
int32_t GetOffset(uint32_t channel);
int32_t VoltsToValue(int32_t channel, float voltage);
static AnalogModule* GetInstance(uint8_t moduleNumber);
protected:
explicit AnalogModule(uint8_t moduleNumber);
virtual ~AnalogModule();
private:
uint8_t m_moduleNumber;
void* m_ports[kAnalogChannels];
};
#endif