001package com.pi4j.system.impl;
002
003/*
004 * #%L
005 * **********************************************************************
006 * ORGANIZATION  :  Pi4J
007 * PROJECT       :  Pi4J :: Java Library (Core)
008 * FILENAME      :  NanoPiSystemInfoProvider.java
009 *
010 * This file is part of the Pi4J project. More information about
011 * this project can be found here:  https://www.pi4j.com/
012 * **********************************************************************
013 * %%
014 * Copyright (C) 2012 - 2019 Pi4J
015 * %%
016 * This program is free software: you can redistribute it and/or modify
017 * it under the terms of the GNU Lesser General Public License as
018 * published by the Free Software Foundation, either version 3 of the
019 * License, or (at your option) any later version.
020 *
021 * This program is distributed in the hope that it will be useful,
022 * but WITHOUT ANY WARRANTY; without even the implied warranty of
023 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
024 * GNU General Lesser Public License for more details.
025 *
026 * You should have received a copy of the GNU General Lesser Public
027 * License along with this program.  If not, see
028 * <http://www.gnu.org/licenses/lgpl-3.0.html>.
029 * #L%
030 */
031
032import com.pi4j.system.SystemInfo;
033import com.pi4j.system.SystemInfoProvider;
034
035import java.io.BufferedReader;
036import java.io.FileReader;
037import java.io.IOException;
038
039/**
040 * NanoPi platform specific implementation of the SystemInfoProvider interface.
041 *
042 * Prefered Linux distribution: https://forum.armbian.com/
043 */
044public class NanoPiSystemInfoProvider extends DefaultSystemInfoProvider implements SystemInfoProvider {
045
046    @Override
047    public String getModelName() throws IOException, InterruptedException, UnsupportedOperationException {
048        return getCpuInfo("Processor");
049    }
050
051    @Override
052    public SystemInfo.BoardType getBoardType() throws IOException, InterruptedException, UnsupportedOperationException {
053                SystemInfo.BoardType boardType = SystemInfo.BoardType.UNKNOWN;
054                BufferedReader br = null;
055
056                // for the NanoPi there is no simple way to detect the board type
057        // see: https://forum.armbian.com/index.php?/topic/3733-nanopi-simple-way-to-differ-nanopi-boards-by-sw/#comment-27008
058        try {
059
060//            NanoPi_M1,
061//            NanoPi_M1_Plus,
062//            NanoPi_M3,
063//            NanoPi_NEO,
064//            NanoPi_NEO2,
065//            NanoPi_NEO2_Plus,
066//            NanoPi_NEO_Air,
067//            NanoPi_S2,
068//            NanoPi_A64,
069//            NanoPi_K2
070
071
072                        br = new BufferedReader(new FileReader("/etc/armbian-release"));
073            for(String line; (line = br.readLine()) != null; ) {
074                if(line.contains("=")) {
075                    String[] split = line.split("=");
076                    if(split[0].toLowerCase().trim().startsWith("board")) {
077                        switch(split[0].toLowerCase().trim()) {
078                            case "nanopim1":
079                                        boardType = SystemInfo.BoardType.NanoPi_M1;
080                            case "nanopineo":
081                                        boardType = SystemInfo.BoardType.NanoPi_NEO;
082                            case "nanopiair":
083                                        boardType = SystemInfo.BoardType.NanoPi_NEO_Air;
084                            default:
085                                        boardType = SystemInfo.BoardType.UNKNOWN;
086                        }
087                    }
088                }
089            }
090        } catch(Exception e) {
091        } finally {
092                        // close reader
093                        if(br != null) br.close();
094        }
095        return boardType;
096    }
097
098    @Override
099    public float getCpuTemperature() throws IOException, InterruptedException, NumberFormatException, UnsupportedOperationException {
100        // Armbian way
101        try(BufferedReader br = new BufferedReader(new FileReader("/sys/devices/virtual/thermal/thermal_zone0/temp"))) {
102            for(String line; (line = br.readLine()) != null; ) {
103                return Float.parseFloat(line);
104            }
105        }
106        throw new UnsupportedOperationException();
107    }
108
109}