62 lines
1.7 KiB
TypeScript
62 lines
1.7 KiB
TypeScript
import buffer from '@ohos.buffer';
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import testNapi from '@ohos.hiserialsdk'
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const TAG = '[TcpDemo.TcpClient]'
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import prompt from '@ohos.prompt'
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/**
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* devPath
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*j36--ttyS5
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* j37--ttyS7
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* j38--ttyS9
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*/
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export default class SerialPortClient {
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private devPath: string = ''
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private len: any = ''
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private fd: number = -1
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private speed: number = 115200 //波特率
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private databits: number = 8 //数据位
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private flow_ctrl:number=0 //流控制
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private stopbits:number=1 //停止位
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private parity:number=0x4e //停止位
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constructor(devPath?:string) {
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this.devPath = devPath || '/dev/ttyS5'
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}
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openSerial() {
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this.fd = testNapi.SerialOpen(this.devPath);
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}
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SerialSet(param?) {
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this.speed = param?.speed || 115200
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this.flow_ctrl=param?.flow_ctrl||0
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this.databits = param?.databits||8
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this.stopbits=param?.stopbits||1
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this.parity=param?.parity || 0x4e
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testNapi.SerialSet(this.fd, this.speed , this.flow_ctrl, this.databits, this.stopbits,this.parity);
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}
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SerialSend(data?) {
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const sendArr = data || [0x61, 0xAA, 0x0A, 0X15, 0X00] //档位查询
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testNapi.SerialSend(this.fd, sendArr);
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}
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SerialRecv(timeout?: number) {
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let revTestInfo = testNapi.SerialRecv(this.fd, timeout);
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//let revTestInfo = testNapi.SerialRecv(this.fd, timeout, 6);
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const message = revTestInfo?.recevedBuf?.toString()
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console.log('revTestInfo.recevedBuf.toString()',revTestInfo.recevedBuf)
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console.log('revTestInfo.recevedBuf.toString()',revTestInfo.recevedBuf.toString())
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this.len = revTestInfo.recevedLen
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return {
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msg: message, recevedLen: this.len
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}
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}
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SerialClose(callback) {
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testNapi.SerialClose(this.fd);
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}
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} |