Squashed 'third_party/allwpilib_2016/' content from commit 7f61816
Change-Id: If9d9245880859cdf580f5d7f77045135d0521ce7
git-subtree-dir: third_party/allwpilib_2016
git-subtree-split: 7f618166ed253a24629934fcf89c3decb0528a3b
diff --git a/wpilibc/Athena/src/AnalogTrigger.cpp b/wpilibc/Athena/src/AnalogTrigger.cpp
new file mode 100644
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+++ b/wpilibc/Athena/src/AnalogTrigger.cpp
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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. */
+/*----------------------------------------------------------------------------*/
+
+#include "AnalogTrigger.h"
+
+#include "AnalogInput.h"
+#include "Resource.h"
+#include "WPIErrors.h"
+#include "HAL/Port.h"
+
+#include <memory>
+
+/**
+ * Constructor for an analog trigger given a channel number.
+ *
+ * @param channel The channel number on the roboRIO to represent. 0-3 are
+ * on-board 4-7 are on the MXP port.
+ */
+AnalogTrigger::AnalogTrigger(int32_t channel) {
+ void* port = getPort(channel);
+ int32_t status = 0;
+ uint32_t index = 0;
+ m_trigger = initializeAnalogTrigger(port, &index, &status);
+ wpi_setErrorWithContext(status, getHALErrorMessage(status));
+ freePort(port);
+ m_index = index;
+
+ HALReport(HALUsageReporting::kResourceType_AnalogTrigger, channel);
+}
+
+/**
+ * Construct an analog trigger given an analog input.
+ * This should be used in the case of sharing an analog channel between the
+ * trigger and an analog input object.
+ * @param channel The pointer to the existing AnalogInput object
+ */
+AnalogTrigger::AnalogTrigger(AnalogInput *input) :
+ AnalogTrigger(input->GetChannel()) {
+}
+
+AnalogTrigger::~AnalogTrigger() {
+ int32_t status = 0;
+ cleanAnalogTrigger(m_trigger, &status);
+ wpi_setErrorWithContext(status, getHALErrorMessage(status));
+}
+
+/**
+ * Set the upper and lower limits of the analog trigger.
+ * The limits are given in ADC codes. If oversampling is used, the units must
+ * be scaled
+ * appropriately.
+ * @param lower The lower limit of the trigger in ADC codes (12-bit values).
+ * @param upper The upper limit of the trigger in ADC codes (12-bit values).
+ */
+void AnalogTrigger::SetLimitsRaw(int32_t lower, int32_t upper) {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ setAnalogTriggerLimitsRaw(m_trigger, lower, upper, &status);
+ wpi_setErrorWithContext(status, getHALErrorMessage(status));
+}
+
+/**
+ * Set the upper and lower limits of the analog trigger.
+ * The limits are given as floating point voltage values.
+ * @param lower The lower limit of the trigger in Volts.
+ * @param upper The upper limit of the trigger in Volts.
+ */
+void AnalogTrigger::SetLimitsVoltage(float lower, float upper) {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ setAnalogTriggerLimitsVoltage(m_trigger, lower, upper, &status);
+ wpi_setErrorWithContext(status, getHALErrorMessage(status));
+}
+
+/**
+ * Configure the analog trigger to use the averaged vs. raw values.
+ * If the value is true, then the averaged value is selected for the analog
+ * trigger, otherwise
+ * the immediate value is used.
+ * @param useAveragedValue If true, use the Averaged value, otherwise use the
+ * instantaneous reading
+ */
+void AnalogTrigger::SetAveraged(bool useAveragedValue) {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ setAnalogTriggerAveraged(m_trigger, useAveragedValue, &status);
+ wpi_setErrorWithContext(status, getHALErrorMessage(status));
+}
+
+/**
+ * Configure the analog trigger to use a filtered value.
+ * The analog trigger will operate with a 3 point average rejection filter. This
+ * is designed to
+ * help with 360 degree pot applications for the period where the pot crosses
+ * through zero.
+ * @param useFilteredValue If true, use the 3 point rejection filter, otherwise
+ * use the unfiltered value
+ */
+void AnalogTrigger::SetFiltered(bool useFilteredValue) {
+ if (StatusIsFatal()) return;
+ int32_t status = 0;
+ setAnalogTriggerFiltered(m_trigger, useFilteredValue, &status);
+ wpi_setErrorWithContext(status, getHALErrorMessage(status));
+}
+
+/**
+ * Return the index of the analog trigger.
+ * This is the FPGA index of this analog trigger instance.
+ * @return The index of the analog trigger.
+ */
+uint32_t AnalogTrigger::GetIndex() const {
+ if (StatusIsFatal()) return std::numeric_limits<uint32_t>::max();
+ return m_index;
+}
+
+/**
+ * Return the InWindow output of the analog trigger.
+ * True if the analog input is between the upper and lower limits.
+ * @return True if the analog input is between the upper and lower limits.
+ */
+bool AnalogTrigger::GetInWindow() {
+ if (StatusIsFatal()) return false;
+ int32_t status = 0;
+ bool result = getAnalogTriggerInWindow(m_trigger, &status);
+ wpi_setErrorWithContext(status, getHALErrorMessage(status));
+ return result;
+}
+
+/**
+ * Return the TriggerState output of the analog trigger.
+ * True if above upper limit.
+ * False if below lower limit.
+ * If in Hysteresis, maintain previous state.
+ * @return True if above upper limit. False if below lower limit. If in
+ * Hysteresis, maintain previous state.
+ */
+bool AnalogTrigger::GetTriggerState() {
+ if (StatusIsFatal()) return false;
+ int32_t status = 0;
+ bool result = getAnalogTriggerTriggerState(m_trigger, &status);
+ wpi_setErrorWithContext(status, getHALErrorMessage(status));
+ return result;
+}
+
+/**
+ * Creates an AnalogTriggerOutput object.
+ * Gets an output object that can be used for routing.
+ * Caller is responsible for deleting the AnalogTriggerOutput object.
+ * @param type An enum of the type of output object to create.
+ * @return A pointer to a new AnalogTriggerOutput object.
+ */
+std::shared_ptr<AnalogTriggerOutput> AnalogTrigger::CreateOutput(
+ AnalogTriggerType type) const {
+ if (StatusIsFatal()) return nullptr;
+ return std::shared_ptr<AnalogTriggerOutput>(
+ new AnalogTriggerOutput(*this, type), NullDeleter<AnalogTriggerOutput>());
+}