系统拓扑图操作视频截图视频链接https://v.douyin.com/Q_dvSDBgS7knode-red流Json数据[{id: 7e28882f52da98e6,type: tab,label: 测试CH348的GPIO是否正常,disabled: false,info: ,env: []},{id: 94624e546ee46fd8,type: exec,z: 7e28882f52da98e6,command: /home/zdm/ch348_gpio,addpay: payload,append: ,useSpawn: false,timer: ,winHide: false,oldrc: false,name: ,x: 550,y: 200,wires: [[56ac6e96b35afe48],[],[]]},{id: f8c7d0a86f9cc77b,type: inject,z: 7e28882f52da98e6,name: 绿LED,props: [{p: payload},{p: topic,vt: str}],repeat: ,crontab: ,once: false,onceDelay: 0.1,topic: ,payload: ,payloadType: date,x: 110,y: 260,wires: [[ca32b3683f6ce472]]},{id: ca32b3683f6ce472,type: function,z: 7e28882f52da98e6,name: 输出控制指令,func: // ledStatus状态为关false时调用“输出高电平”指令\nif(!flow.get(\ledStatus\)) {\n msg.payload \write 1 1\; // gpio1设置为高电平\n flow.set(\ledStatus\, true); // LED状态设置为true\n} else {\n// ledStatus状态为关true时调用“输出低电平”指令\n msg.payload \write 1 0\; // gpio1设置为低电平\n flow.set(\ledStatus\, false); // LED状态设置false\n}\nreturn msg;,outputs: 1,timeout: 0,noerr: 0,initialize: ,finalize: ,libs: [],x: 280,y: 260,wires: [[94624e546ee46fd8]]},{id: 68edba75d00a2ed1,type: inject,z: 7e28882f52da98e6,name: 红LED,props: [{p: payload},{p: topic,vt: str}],repeat: ,crontab: ,once: false,onceDelay: 0.1,topic: ,payload: ,payloadType: date,x: 110,y: 320,wires: [[6850a226540bd048]]},{id: 6850a226540bd048,type: function,z: 7e28882f52da98e6,name: 输出控制指令,func: // ledStatus状态为关false时调用“输出高电平”指令\nif(!flow.get(\redLedStatus\)) {\n msg.payload \write 10 1\; // gpio10设置为高电平\n flow.set(\redLedStatus\, true); // LED状态设置为true\n} else {\n// ledStatus状态为关true时调用“输出低电平”指令\n msg.payload \write 10 0\; // gpio10设置为低电平\n flow.set(\redLedStatus\, false); // LED状态设置false\n}\nreturn msg;,outputs: 1,timeout: 0,noerr: 0,initialize: ,finalize: ,libs: [],x: 280,y: 320,wires: [[94624e546ee46fd8]]},{id: 56499c26a79513e9,type: inject,z: 7e28882f52da98e6,name: 检测按钮B,props: [{p: payload},{p: topic,vt: str}],repeat: 0.3,crontab: ,once: true,onceDelay: 0.6,topic: ,payload: read 6,payloadType: str,x: 240,y: 160,wires: [[94624e546ee46fd8]]},{id: 55d1f3c90bf88f74,type: inject,z: 7e28882f52da98e6,name: 检测按钮A,props: [{p: payload},{p: topic,vt: str}],repeat: 0.3,crontab: ,once: false,onceDelay: 0.1,topic: ,payload: read 5,payloadType: str,x: 240,y: 100,wires: [[94624e546ee46fd8]]},{id: 65dbfc6dbc89a7a8,type: ui-notification,z: 7e28882f52da98e6,ui: 24effe465125a07b,position: top center,colorDefault: true,color: #08f604,displayTime: 1,showCountdown: false,outputs: 1,allowDismiss: false,dismissText: Close,allowConfirm: false,confirmText: Confirm,raw: false,className: ,name: 弹窗提示,x: 600,y: 340,wires: [[]]},{id: 56ac6e96b35afe48,type: function,z: 7e28882f52da98e6,name: 解析exec节点输出,func: // 解析exec节点输出\nlet text msg.payload.toString().trim();\n\nif (text.includes(\GPIO 5\) text.includes(\高电平\)) {\n msg.payload \✅ 按钮 A被按下\;\n return msg;\n} \nelse if (text.includes(\GPIO 6\) text.includes(\高电平\)) {\n msg.payload \ 按钮 B被按下\;\n return msg;\n}\n\nreturn null;,outputs: 1,timeout: 0,noerr: 0,initialize: ,finalize: ,libs: [],x: 550,y: 280,wires: [[65dbfc6dbc89a7a8]]},{id: 24effe465125a07b,type: ui-base,name: My Dashboard,path: /dashboard,appIcon: ,includeClientData: true,acceptsClientConfig: [ui-notification,ui-control],showPathInSidebar: false,headerContent: page,navigationStyle: default,titleBarStyle: default,showReconnectNotification: false,notificationDisplayTime: 1,showDisconnectNotification: true,allowInstall: false},{id: bf2bfe9e1345fb03,type: global-config,env: [],modules: {flowfuse/node-red-dashboard: 1.30.2}}]