Squashed 'third_party/allwpilib_2017/' content from commit 35ac87d
Change-Id: I7bb6f5556c30d3f5a092e68de0be9c710c60c9f4
git-subtree-dir: third_party/allwpilib_2017
git-subtree-split: 35ac87d6ff8b7f061c4f18c9ea316e5dccd4888a
diff --git a/wpilibc/athena/src/ADXL345_I2C.cpp b/wpilibc/athena/src/ADXL345_I2C.cpp
new file mode 100644
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+++ b/wpilibc/athena/src/ADXL345_I2C.cpp
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+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2008-2017. 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 "ADXL345_I2C.h"
+
+#include "HAL/HAL.h"
+#include "I2C.h"
+#include "LiveWindow/LiveWindow.h"
+
+using namespace frc;
+
+const int ADXL345_I2C::kAddress;
+const int ADXL345_I2C::kPowerCtlRegister;
+const int ADXL345_I2C::kDataFormatRegister;
+const int ADXL345_I2C::kDataRegister;
+constexpr double ADXL345_I2C::kGsPerLSB;
+
+/**
+ * Constructs the ADXL345 Accelerometer over I2C.
+ *
+ * @param port The I2C port the accelerometer is attached to
+ * @param range The range (+ or -) that the accelerometer will measure
+ * @param deviceAddress The I2C address of the accelerometer (0x1D or 0x53)
+ */
+ADXL345_I2C::ADXL345_I2C(I2C::Port port, Range range, int deviceAddress)
+ : m_i2c(port, deviceAddress) {
+ // Turn on the measurements
+ m_i2c.Write(kPowerCtlRegister, kPowerCtl_Measure);
+ // Specify the data format to read
+ SetRange(range);
+
+ HAL_Report(HALUsageReporting::kResourceType_ADXL345,
+ HALUsageReporting::kADXL345_I2C, 0);
+ LiveWindow::GetInstance()->AddSensor("ADXL345_I2C", port, this);
+}
+
+void ADXL345_I2C::SetRange(Range range) {
+ m_i2c.Write(kDataFormatRegister,
+ kDataFormat_FullRes | static_cast<uint8_t>(range));
+}
+
+double ADXL345_I2C::GetX() { return GetAcceleration(kAxis_X); }
+
+double ADXL345_I2C::GetY() { return GetAcceleration(kAxis_Y); }
+
+double ADXL345_I2C::GetZ() { return GetAcceleration(kAxis_Z); }
+
+/**
+ * Get the acceleration of one axis in Gs.
+ *
+ * @param axis The axis to read from.
+ * @return Acceleration of the ADXL345 in Gs.
+ */
+double ADXL345_I2C::GetAcceleration(ADXL345_I2C::Axes axis) {
+ int16_t rawAccel = 0;
+ m_i2c.Read(kDataRegister + static_cast<int>(axis), sizeof(rawAccel),
+ reinterpret_cast<uint8_t*>(&rawAccel));
+ return rawAccel * kGsPerLSB;
+}
+
+/**
+ * Get the acceleration of all axes in Gs.
+ *
+ * @return An object containing the acceleration measured on each axis of the
+ * ADXL345 in Gs.
+ */
+ADXL345_I2C::AllAxes ADXL345_I2C::GetAccelerations() {
+ AllAxes data = AllAxes();
+ int16_t rawData[3];
+ m_i2c.Read(kDataRegister, sizeof(rawData),
+ reinterpret_cast<uint8_t*>(rawData));
+
+ data.XAxis = rawData[0] * kGsPerLSB;
+ data.YAxis = rawData[1] * kGsPerLSB;
+ data.ZAxis = rawData[2] * kGsPerLSB;
+ return data;
+}
+
+std::string ADXL345_I2C::GetSmartDashboardType() const {
+ return "3AxisAccelerometer";
+}
+
+void ADXL345_I2C::InitTable(std::shared_ptr<ITable> subtable) {
+ m_table = subtable;
+ UpdateTable();
+}
+
+void ADXL345_I2C::UpdateTable() {
+ m_table->PutNumber("X", GetX());
+ m_table->PutNumber("Y", GetY());
+ m_table->PutNumber("Z", GetZ());
+}
+
+std::shared_ptr<ITable> ADXL345_I2C::GetTable() const { return m_table; }