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