004-焊接制作CH348测试电路板
系统拓扑图:

操作视频截图:



视频链接:
https://v.douyin.com/Q_dvSDBgS7k
node-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"
}
}
]
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