Add FPGA Duty Cycle support (#1987)

hal/src/main/native/sim/mockdata/DutyCycleData.cpp

@@ -0,0 +1,63 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2019 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 "../PortsInternal.h"
+#include "DutyCycleDataInternal.h"
+
+using namespace hal;
+
+namespace hal {
+namespace init {
+void InitializeDutyCycleData() {
+  static DutyCycleData sed[kNumDutyCycles];
+  ::hal::SimDutyCycleData = sed;
+}
+}  // namespace init
+}  // namespace hal
+
+DutyCycleData* hal::SimDutyCycleData;
+
+void DutyCycleData::ResetData() {
+  digitalChannel = 0;
+  initialized.Reset(false);
+  simDevice = 0;
+  frequency.Reset(0);
+  output.Reset(0);
+}
+
+extern "C" {
+void HALSIM_ResetDutyCycleData(int32_t index) {
+  SimDutyCycleData[index].ResetData();
+}
+int32_t HALSIM_GetDutyCycleDigitalChannel(int32_t index) {
+  return SimDutyCycleData[index].digitalChannel;
+}
+
+HAL_SimDeviceHandle HALSIM_GetDutyCycleSimDevice(int32_t index) {
+  return SimDutyCycleData[index].simDevice;
+}
+
+#define DEFINE_CAPI(TYPE, CAPINAME, LOWERNAME)                    \
+  HAL_SIMDATAVALUE_DEFINE_CAPI(TYPE, HALSIM, DutyCycle##CAPINAME, \
+                               SimDutyCycleData, LOWERNAME)
+
+DEFINE_CAPI(HAL_Bool, Initialized, initialized)
+DEFINE_CAPI(int32_t, Frequency, frequency)
+DEFINE_CAPI(double, Output, output)
+
+#define REGISTER(NAME) \
+  SimDutyCycleData[index].NAME.RegisterCallback(callback, param, initialNotify)
+
+void HALSIM_RegisterDutyCycleAllCallbacks(int32_t index,
+                                          HAL_NotifyCallback callback,
+                                          void* param, HAL_Bool initialNotify) {
+  REGISTER(initialized);
+  REGISTER(frequency);
+  REGISTER(output);
+}
+
+}  // extern "C"