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}