Squashed 'third_party/allwpilib_2019/' content from commit bd05dfa1c
Change-Id: I2b1c2250cdb9b055133780c33593292098c375b7
git-subtree-dir: third_party/allwpilib_2019
git-subtree-split: bd05dfa1c7cca74c4fac451e7b9d6a37e7b53447
diff --git a/wpilibc/src/main/native/cpp/Counter.cpp b/wpilibc/src/main/native/cpp/Counter.cpp
new file mode 100644
index 0000000..c97bbc5
--- /dev/null
+++ b/wpilibc/src/main/native/cpp/Counter.cpp
@@ -0,0 +1,358 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2008-2018 FIRST. 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. */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/Counter.h"
+
+#include <utility>
+
+#include <hal/HAL.h>
+
+#include "frc/AnalogTrigger.h"
+#include "frc/DigitalInput.h"
+#include "frc/WPIErrors.h"
+#include "frc/smartdashboard/SendableBuilder.h"
+
+using namespace frc;
+
+Counter::Counter(Mode mode) {
+ int32_t status = 0;
+ m_counter = HAL_InitializeCounter((HAL_Counter_Mode)mode, &m_index, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+
+ SetMaxPeriod(.5);
+
+ HAL_Report(HALUsageReporting::kResourceType_Counter, m_index, mode);
+ SetName("Counter", m_index);
+}
+
+Counter::Counter(int channel) : Counter(kTwoPulse) {
+ SetUpSource(channel);
+ ClearDownSource();
+}
+
+Counter::Counter(DigitalSource* source) : Counter(kTwoPulse) {
+ SetUpSource(source);
+ ClearDownSource();
+}
+
+Counter::Counter(std::shared_ptr<DigitalSource> source) : Counter(kTwoPulse) {
+ SetUpSource(source);
+ ClearDownSource();
+}
+
+Counter::Counter(const AnalogTrigger& trigger) : Counter(kTwoPulse) {
+ SetUpSource(trigger.CreateOutput(AnalogTriggerType::kState));
+ ClearDownSource();
+}
+
+Counter::Counter(EncodingType encodingType, DigitalSource* upSource,
+ DigitalSource* downSource, bool inverted)
+ : Counter(encodingType,
+ std::shared_ptr<DigitalSource>(upSource,
+ NullDeleter<DigitalSource>()),
+ std::shared_ptr<DigitalSource>(downSource,
+ NullDeleter<DigitalSource>()),
+ inverted) {}
+
+Counter::Counter(EncodingType encodingType,
+ std::shared_ptr<DigitalSource> upSource,
+ std::shared_ptr<DigitalSource> downSource, bool inverted)
+ : Counter(kExternalDirection) {
+ if (encodingType != k1X && encodingType != k2X) {
+ wpi_setWPIErrorWithContext(
+ ParameterOutOfRange,
+ "Counter only supports 1X and 2X quadrature decoding.");
+ return;
+ }
+ SetUpSource(upSource);
+ SetDownSource(downSource);
+ int32_t status = 0;
+
+ if (encodingType == k1X) {
+ SetUpSourceEdge(true, false);
+ HAL_SetCounterAverageSize(m_counter, 1, &status);
+ } else {
+ SetUpSourceEdge(true, true);
+ HAL_SetCounterAverageSize(m_counter, 2, &status);
+ }
+
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+ SetDownSourceEdge(inverted, true);
+}
+
+Counter::~Counter() {
+ SetUpdateWhenEmpty(true);
+
+ int32_t status = 0;
+ HAL_FreeCounter(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+ m_counter = HAL_kInvalidHandle;
+}
+
+Counter::Counter(Counter&& rhs)
+ : ErrorBase(std::move(rhs)),
+ SendableBase(std::move(rhs)),
+ CounterBase(std::move(rhs)),
+ m_upSource(std::move(rhs.m_upSource)),
+ m_downSource(std::move(rhs.m_downSource)),
+ m_index(std::move(rhs.m_index)) {
+ std::swap(m_counter, rhs.m_counter);
+}
+
+Counter& Counter::operator=(Counter&& rhs) {
+ ErrorBase::operator=(std::move(rhs));
+ SendableBase::operator=(std::move(rhs));
+ CounterBase::operator=(std::move(rhs));
+
+ m_upSource = std::move(rhs.m_upSource);
+ m_downSource = std::move(rhs.m_downSource);
+ std::swap(m_counter, rhs.m_counter);
+ m_index = std::move(rhs.m_index);
+
+ return *this;
+}
+
+void Counter::SetUpSource(int channel) {
+ if (StatusIsFatal()) return;
+ SetUpSource(std::make_shared<DigitalInput>(channel));
+ AddChild(m_upSource);
+}
+
+void Counter::SetUpSource(AnalogTrigger* analogTrigger,
+ AnalogTriggerType triggerType) {
+ SetUpSource(std::shared_ptr<AnalogTrigger>(analogTrigger,
+ NullDeleter<AnalogTrigger>()),
+ triggerType);
+}
+
+void Counter::SetUpSource(std::shared_ptr<AnalogTrigger> analogTrigger,
+ AnalogTriggerType triggerType) {
+ if (StatusIsFatal()) return;
+ SetUpSource(analogTrigger->CreateOutput(triggerType));
+}
+
+void Counter::SetUpSource(DigitalSource* source) {
+ SetUpSource(
+ std::shared_ptr<DigitalSource>(source, NullDeleter<DigitalSource>()));
+}
+
+void Counter::SetUpSource(std::shared_ptr<DigitalSource> source) {
+ if (StatusIsFatal()) return;
+ m_upSource = source;
+ if (m_upSource->StatusIsFatal()) {
+ CloneError(*m_upSource);
+ } else {
+ int32_t status = 0;
+ HAL_SetCounterUpSource(
+ m_counter, source->GetPortHandleForRouting(),
+ (HAL_AnalogTriggerType)source->GetAnalogTriggerTypeForRouting(),
+ &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+ }
+}
+
+void Counter::SetUpSource(DigitalSource& source) {
+ SetUpSource(
+ std::shared_ptr<DigitalSource>(&source, NullDeleter<DigitalSource>()));
+}
+
+void Counter::SetUpSourceEdge(bool risingEdge, bool fallingEdge) {
+ if (StatusIsFatal()) return;
+ if (m_upSource == nullptr) {
+ wpi_setWPIErrorWithContext(
+ NullParameter,
+ "Must set non-nullptr UpSource before setting UpSourceEdge");
+ }
+ int32_t status = 0;
+ HAL_SetCounterUpSourceEdge(m_counter, risingEdge, fallingEdge, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+void Counter::ClearUpSource() {
+ if (StatusIsFatal()) return;
+ m_upSource.reset();
+ int32_t status = 0;
+ HAL_ClearCounterUpSource(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+void Counter::SetDownSource(int channel) {
+ if (StatusIsFatal()) return;
+ SetDownSource(std::make_shared<DigitalInput>(channel));
+ AddChild(m_downSource);
+}
+
+void Counter::SetDownSource(AnalogTrigger* analogTrigger,
+ AnalogTriggerType triggerType) {
+ SetDownSource(std::shared_ptr<AnalogTrigger>(analogTrigger,
+ NullDeleter<AnalogTrigger>()),
+ triggerType);
+}
+
+void Counter::SetDownSource(std::shared_ptr<AnalogTrigger> analogTrigger,
+ AnalogTriggerType triggerType) {
+ if (StatusIsFatal()) return;
+ SetDownSource(analogTrigger->CreateOutput(triggerType));
+}
+
+void Counter::SetDownSource(DigitalSource* source) {
+ SetDownSource(
+ std::shared_ptr<DigitalSource>(source, NullDeleter<DigitalSource>()));
+}
+
+void Counter::SetDownSource(DigitalSource& source) {
+ SetDownSource(
+ std::shared_ptr<DigitalSource>(&source, NullDeleter<DigitalSource>()));
+}
+
+void Counter::SetDownSource(std::shared_ptr<DigitalSource> source) {
+ if (StatusIsFatal()) return;
+ m_downSource = source;
+ if (m_downSource->StatusIsFatal()) {
+ CloneError(*m_downSource);
+ } else {
+ int32_t status = 0;
+ HAL_SetCounterDownSource(
+ m_counter, source->GetPortHandleForRouting(),
+ (HAL_AnalogTriggerType)source->GetAnalogTriggerTypeForRouting(),
+ &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+ }
+}
+
+void Counter::SetDownSourceEdge(bool risingEdge, bool fallingEdge) {
+ if (StatusIsFatal()) return;
+ if (m_downSource == nullptr) {
+ wpi_setWPIErrorWithContext(
+ NullParameter,
+ "Must set non-nullptr DownSource before setting DownSourceEdge");
+ }
+ int32_t status = 0;
+ HAL_SetCounterDownSourceEdge(m_counter, risingEdge, fallingEdge, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+void Counter::ClearDownSource() {
+ if (StatusIsFatal()) return;
+ m_downSource.reset();
+ int32_t status = 0;
+ HAL_ClearCounterDownSource(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+void Counter::SetUpDownCounterMode() {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ HAL_SetCounterUpDownMode(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+void Counter::SetExternalDirectionMode() {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ HAL_SetCounterExternalDirectionMode(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+void Counter::SetSemiPeriodMode(bool highSemiPeriod) {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ HAL_SetCounterSemiPeriodMode(m_counter, highSemiPeriod, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+void Counter::SetPulseLengthMode(double threshold) {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ HAL_SetCounterPulseLengthMode(m_counter, threshold, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+void Counter::SetReverseDirection(bool reverseDirection) {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ HAL_SetCounterReverseDirection(m_counter, reverseDirection, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+void Counter::SetSamplesToAverage(int samplesToAverage) {
+ if (samplesToAverage < 1 || samplesToAverage > 127) {
+ wpi_setWPIErrorWithContext(
+ ParameterOutOfRange,
+ "Average counter values must be between 1 and 127");
+ }
+ int32_t status = 0;
+ HAL_SetCounterSamplesToAverage(m_counter, samplesToAverage, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+int Counter::GetSamplesToAverage() const {
+ int32_t status = 0;
+ int samples = HAL_GetCounterSamplesToAverage(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+ return samples;
+}
+
+int Counter::GetFPGAIndex() const { return m_index; }
+
+int Counter::Get() const {
+ if (StatusIsFatal()) return 0;
+ int32_t status = 0;
+ int value = HAL_GetCounter(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+ return value;
+}
+
+void Counter::Reset() {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ HAL_ResetCounter(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+double Counter::GetPeriod() const {
+ if (StatusIsFatal()) return 0.0;
+ int32_t status = 0;
+ double value = HAL_GetCounterPeriod(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+ return value;
+}
+
+void Counter::SetMaxPeriod(double maxPeriod) {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ HAL_SetCounterMaxPeriod(m_counter, maxPeriod, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+void Counter::SetUpdateWhenEmpty(bool enabled) {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ HAL_SetCounterUpdateWhenEmpty(m_counter, enabled, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+}
+
+bool Counter::GetStopped() const {
+ if (StatusIsFatal()) return false;
+ int32_t status = 0;
+ bool value = HAL_GetCounterStopped(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+ return value;
+}
+
+bool Counter::GetDirection() const {
+ if (StatusIsFatal()) return false;
+ int32_t status = 0;
+ bool value = HAL_GetCounterDirection(m_counter, &status);
+ wpi_setErrorWithContext(status, HAL_GetErrorMessage(status));
+ return value;
+}
+
+void Counter::InitSendable(SendableBuilder& builder) {
+ builder.SetSmartDashboardType("Counter");
+ builder.AddDoubleProperty("Value", [=]() { return Get(); }, nullptr);
+}