上传文件至 ''

testContrl.js

@@ -0,0 +1,38 @@
+// PCF8591 数模转换芯片
+const i2cBus = require("i2c-bus")
+const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
+class ContrlService {
+    constructor() {
+        this.BUS = i2cBus.openSync(1)
+        // 寄存器地址
+        this.ADR = 0x48
+        // 电位器地址->对应模块in1,in2
+        this.P1 = 0x41
+        this.P2 = 0x42
+        this.P3 = 0x43
+        this.P4 = 0x44
+        this.run()
+    }
+
+    async run() {
+        // 数模初始值
+        const data = await this.Orientation()
+        console.log(data)
+       // process.send(data);
+        await sleep(500)
+        this.run()
+    }
+
+    // 获取值
+    async Orientation() {
+        const v0 = this.BUS.readByteSync(this.ADR,this.P1)
+        const v1 = this.BUS.readByteSync(this.ADR,this.P2)
+        const v2 = this.BUS.readByteSync(this.ADR,this.P3)
+        const v3 = this.BUS.readByteSync(this.ADR,this.P4)
+        // 接入socket 发送数据
+        const db = `{"type":"conctrl","conctrl":{"v0":${v0},"v1":${v1},"v2":${v2},"v3":${v3}}}`
+        return db
+    }
+
+}
+new ContrlService()