mirror of
https://github.com/wpilibsuite/allwpilib
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45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2016. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#pragma once
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#include <stdint.h>
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#include "ChipObject.h"
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#include "HAL/Ports.h"
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#include "HAL/cpp/priority_mutex.h"
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#include "HAL/handles/IndexedHandleResource.h"
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#include "PortsInternal.h"
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namespace hal {
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constexpr int32_t kTimebase = 40000000; ///< 40 MHz clock
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constexpr int32_t kDefaultOversampleBits = 0;
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constexpr int32_t kDefaultAverageBits = 7;
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constexpr double kDefaultSampleRate = 50000.0;
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static const uint32_t kAccumulatorChannels[] = {0, 1};
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extern std::unique_ptr<tAI> analogInputSystem;
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extern std::unique_ptr<tAO> analogOutputSystem;
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extern priority_recursive_mutex analogRegisterWindowMutex;
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struct AnalogPort {
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uint8_t pin;
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std::unique_ptr<tAccumulator> accumulator;
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};
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extern IndexedHandleResource<HAL_AnalogInputHandle, hal::AnalogPort,
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kNumAnalogInputs, HAL_HandleEnum::AnalogInput>
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analogInputHandles;
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uint32_t getAnalogNumActiveChannels(int32_t* status);
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uint32_t getAnalogNumChannelsToActivate(int32_t* status);
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void setAnalogNumChannelsToActivate(uint32_t channels);
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void initializeAnalog(int32_t* status);
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extern bool analogSystemInitialized;
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} // namespace hal
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