Files
allwpilib/xrpVendordep/src/main/native/cpp/xrp/XRPServo.cpp
2026-03-14 21:28:31 -07:00

65 lines
1.7 KiB
C++

// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
#include "wpi/xrp/XRPServo.hpp"
#include <map>
#include <numbers>
#include <set>
#include <string>
#include "wpi/system/Errors.hpp"
#include "wpi/units/angle.hpp"
using namespace wpi::xrp;
std::map<int, std::string> XRPServo::s_simDeviceMap = {
{4, "servo1"}, {5, "servo2"}, {6, "servo3"}, {7, "servo4"}};
std::set<int> XRPServo::s_registeredDevices = {};
void XRPServo::CheckDeviceAllocation(int deviceNum) {
if (s_simDeviceMap.count(deviceNum) == 0) {
throw WPILIB_MakeError(wpi::err::ChannelIndexOutOfRange, "Channel {}",
deviceNum);
}
if (s_registeredDevices.count(deviceNum) > 0) {
throw WPILIB_MakeError(wpi::err::ResourceAlreadyAllocated, "Channel {}",
deviceNum);
}
s_registeredDevices.insert(deviceNum);
}
XRPServo::XRPServo(int deviceNum) {
CheckDeviceAllocation(deviceNum);
m_deviceName = "XRPServo:" + s_simDeviceMap[deviceNum];
m_simDevice = hal::SimDevice(m_deviceName.c_str());
if (m_simDevice) {
m_simDevice.CreateBoolean("init", hal::SimDevice::kOutput, true);
m_simPosition =
m_simDevice.CreateDouble("position", hal::SimDevice::kOutput, 0.5);
}
}
void XRPServo::SetAngle(wpi::units::radian_t angle) {
angle = std::clamp<wpi::units::radian_t>(angle, 0_deg, 180_deg);
double pos = angle.value() / std::numbers::pi;
if (m_simPosition) {
m_simPosition.Set(pos);
}
}
wpi::units::radian_t XRPServo::GetAngle() const {
if (m_simPosition) {
return wpi::units::radian_t{m_simPosition.Get() * std::numbers::pi};
}
return 90_deg;
}