135 lines
4.4 KiB
TypeScript
135 lines
4.4 KiB
TypeScript
/*
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* Copyright (c) 2022 Archermind Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {Callback} from "./basic";
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/**
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* Provides interfaces to generate system logs.
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*
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* @namespace HiSerialSDK
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* @syscap SystemCapability.HiviewDFX.HiLog
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* @crossplatform
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* @since 9
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*/
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declare namespace HiSerialSDK {
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/**
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* 接收的数据信息
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*/
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export interface receiveInfo {
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recevedBuf: number[]; // 接收到的数据
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recevedLen: number; // 实际接收的数据长度，如果接收出错返回-1
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}
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/**
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* 打开串口
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*
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* @param hiSerDevice 串口设备路径，如 "/dev/ttyS0"
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* @return 串口设备fd句柄，如果串口打开失败返回-1
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*/
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function SerialOpen(hiSerDevice: string): number;
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/**
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* 打开串口
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*
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* @param hiSerDevice 串口设备路径，如 "/dev/ttyS0"
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* @param callback 串口设备fd句柄，如果串口打开失败返回-1
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*/
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function SerialOpenAsync(hiSerDevice: string, callback: Callback<number>): void;
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/**
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* 设置串口
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*
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* @param fd 串口设备fd句柄
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* @param speed 波特率 115200, 57600, 19200, 9600, 4800, 2400, 1200, 300
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* @param flow_ctrl 流控制
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* @param databits 数据位
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* @param stopbits 停止位
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* @param parity 奇偶校验位
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*
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* @return 设置是否成功(0: 成功, -1: 失败)
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*/
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function SerialSet(fd: number, speed: number, flow_ctrl: number, databits: number, stopbits: number, parity: number): number;
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/**
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* 设置串口
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*
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* @param fd 串口设备fd句柄
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* @param speed 波特率 115200, 57600, 19200, 9600, 4800, 2400, 1200, 300
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* @param flow_ctrl 流控制
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* @param databits 数据位
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* @param stopbits 停止位
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* @param parity 奇偶校验位
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* @param callback 设置是否成功(0: 成功, -1: 失败)
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*/
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function SerialSetAsync(fd: number, speed: number, flow_ctrl: number, databits: number, stopbits: number, parity: number, callback: Callback<number>): void;
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/**
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* 发送数据
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*
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* @param fd 串口设备fd句柄
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* @param sendBuf 发送的数据字节数组
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* @return 发送成功返回发送的数据长度，发送失败返回-1
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*/
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function SerialSend(fd: number, sendBuf: number[]): number;
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/**
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* 发送数据
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*
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* @param fd 串口设备fd句柄
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* @param sendBuf 发送的数据字节数组
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* @param callback 发送成功返回发送的数据长度，发送失败返回-1
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*/
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function SerialSendAsync(fd: number, sendBuf: number[], callback: Callback<number>): void;
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/**
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* 接收数据
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*
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* @param fd 串口设备fd句柄
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* @param timeout 接收数据时的最大等待时间，可设置为0，单位微秒（如：1000000 为1秒超时）
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* @param recvLen （可选参数）接收的最大字节数，不填默认一次最多接收1024字节
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*
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* @return 接收的数据信息
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*/
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function SerialRecv(fd: number, timeout: number, recvLen?: number): receiveInfo;
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/**
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* 接收数据
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*
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* @param fd 串口设备fd句柄
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* @param timeout 接收数据时的最大等待时间，可设置为0，单位微秒（如：1000000 为1秒超时）
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* @param callback 接收的数据信息
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* @param recvLen （可选参数）接收的最大字节数，不填默认一次最多接收1024字节
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*/
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function SerialRecvAsync(fd: number, timeout: number, callback: Callback<receiveInfo>, recvLen?: number): void;
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/**
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* 关闭串口
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*
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* @param fd 串口设备fd句柄
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* @return 关闭操作执行结果(0: 成功, 其它: 失败)
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*/
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function SerialClose(fd: number): number;
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/**
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* 关闭串口
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*
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* @param fd 串口设备fd句柄
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* @param 关闭操作执行结果(0: 成功, 其它: 失败)
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*/
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function SerialCloseAsync(fd: number, callback: Callback<number>): void;
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}
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export default HiSerialSDK;
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