332 lines
7.8 KiB
TypeScript
332 lines
7.8 KiB
TypeScript
'use strict';
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import { Intval } from 'intval';
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import { Processing } from 'processing';
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import { delay } from 'delay';
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/** class representing camera functions **/
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class Camera {
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private state : any = {
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pos : 0,
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dir : true,
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capepr: false
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};
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private arduino : Arduino = null;
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private intval : any = null;
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private processing : any = null;
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private log : any;
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private cfg : any;
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private filmout : any;
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private ui : any;
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private ipc : any;
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private id : string = 'camera';
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/**
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*
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**/
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constructor (arduino : Arduino, cfg : any, ui : any, filmout : any, second : boolean = false) {
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this.arduino = arduino;
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this.cfg = cfg;
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this.ui = ui;
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this.filmout = filmout;
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if (second) this.id += '_second';
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this.init();
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}
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/**
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*
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**/
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private async init () {
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const Log = require('log');
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this.log = await Log({ label : this.id });
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this.ipc = require('electron').ipcMain;
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this.listen();
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}
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/**
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*
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**/
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private listen () {
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this.ipc.on(this.id, this.listener.bind(this));
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this.ipc.on('intval', this.connectIntval.bind(this));
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this.ipc.on('processing', this.connectProcessing.bind(this));
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}
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/**
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*
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**/
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public async set (dir : boolean, id : string) {
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let cmd : string;
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let ms : number;
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if (dir) {
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cmd = this.cfg.arduino.cmd[`${this.id}_forward`];
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} else {
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cmd = this.cfg.arduino.cmd[`${this.id}_backward`];
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}
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this.state.dir = dir;
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if (this.processing) {
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try {
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ms = await this.processing.setDir(dir);
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} catch (err) {
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this.log.error(err);
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}
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} else if (this.intval) {
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try {
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ms = await this.intval.setDir(dir);
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} catch (err) {
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this.log.error(err);
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}
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} else {
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try {
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ms = await this.arduino.send(this.id, cmd);
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} catch (err) {
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this.log.error(err);
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}
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}
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return await this.end(cmd, id, ms);
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}
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/**
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*
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**/
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public async cap (state : boolean, id : string) {
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let cmd : string;
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let ms : number;
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if (state) {
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cmd = this.cfg.arduino.cmd[`${this.id}_forward`];
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} else {
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cmd = this.cfg.arduino.cmd[`${this.id}_backward`];
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}
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this.state.capper = state;
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try {
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ms = await this.arduino.send(this.id, cmd);
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} catch (err) {
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this.log.error(err);
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}
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return await this.end(cmd, id, ms);
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}
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/**
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*
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**/
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public async move (frame : number, id : string) {
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const cmd : string = this.cfg.arduino.cmd[this.id];
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let ms : number;
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if (this.filmout.state.enabled) {
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await this.filmout.start()
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}
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if (this.processing) {
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try {
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ms = await this.processing.move();
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} catch (err) {
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this.log.error(err);
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}
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} else if (this.intval) {
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try {
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ms = await this.intval.move();
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} catch (err) {
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this.log.error(err);
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}
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} else {
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try {
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ms = await this.arduino.send(this.id, cmd);
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} catch (err) {
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this.log.error(err);
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}
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}
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if (this.filmout.state.enabled) {
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//await delay(100 * 1000);
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await this.filmout.end();
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}
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//this.log.info('Camera move time', { ms });
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return this.end(cmd, id, ms);
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}
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public async both (frame : any, id : string) {
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const cmd : string = this.cfg.arduino.cmd[id];
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let ms : number;
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try {
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ms = await this.arduino.send(this.id, cmd)
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} catch (err) {
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this.log.error(`Error moving ${this.id}`, err)
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}
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//this.log.info('Cameras move time', { ms });
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return await this.end(cmd, id, ms)
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}
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/**
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*
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**/
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public async exposure (exposure : number, id : string) {
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const cmd : string = this.cfg.arduino.cmd.camera_exposure;
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const str : string = `${exposure}`;
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const started : number = +new Date();
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let ms : any;
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let confirmState : any;
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let parts : string[];
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let confirmExposure : number;
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if (this.intval) {
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return this.intval.setExposure(this.id, exposure, (ms : number) => {
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this.ui.send('timing', { c : 'c', ms : exposure });
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return this.end(cmd, id, ms);
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});
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} else if (this.arduino.hasState[this.id]) {
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try {
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ms = this.arduino.send(this.id, cmd);
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} catch (err) {
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this.log.error('Error sending camera exposure command', err);
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}
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await delay(1);
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try {
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ms = await this.arduino.sendString(this.id, str);
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} catch (err) {
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this.log.error('Error sending camera exposure string', err);
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}
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await ms;
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await delay(1);
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try {
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confirmState = await this.arduino.state(this.id, false);
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} catch (err) {
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this.log.error(`Error confirming set state`, err);
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}
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parts = this.arduino.stateStr[this.id].split('G')
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if (parts.length > 1) {
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parts = parts[1].split('H')
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confirmExposure = parseInt(parts[0])
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if (!isNaN(confirmExposure)) {
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this.log.info(`Exposure successfully set to ${confirmExposure}ms`)
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this.ui.send('timing', { c : 'c', ms : exposure })
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}
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}
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ms = (+new Date()) - started;
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return await this.end(cmd, id, ms);
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}
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return 0;
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}
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/**
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*
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**/
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private async connectIntval (event : any, arg : any) {
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return new Promise((resolve, reject) => {
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if (arg.connect) {
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this.intval = new Intval(arg.url)
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this.processing = null
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this.intval.connect((err : any, ms : number, state : boolean) => {
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if (err) {
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this.ui.send('intval', { connected : false })
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this.log.info(`Cannot connect to ${arg.url}`, 'INTVAL')
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this.intval = null
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} else {
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this.ui.send('intval', { connected : true, url : arg.url, state : state })
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this.log.info(`Connected to INTVAL3 @ ${arg.url}`, 'INTVAL')
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}
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return resolve(true)
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})
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} else if (arg.disconnect) {
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this.intval = null
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return resolve(false)
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}
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})
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}
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/**
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*
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**/
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private async connectProcessing (event : any, arg : any) {
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return new Promise((resolve, reject) => {
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this.processing = new Processing(arg.url)
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this.intval = null
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this.ui.send('processing', { connected : true, url : arg.url })
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return resolve(true)
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})
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}
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/**
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*
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**/
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private async listener (event : any, arg : any) {
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if (typeof arg.dir !== 'undefined') {
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try {
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await this.set(arg.dir, arg.id)
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} catch (err) {
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this.log.error(err)
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}
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} else if (typeof arg.frame !== 'undefined') {
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try {
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await this.move(arg.frame, arg.id)
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} catch (err) {
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this.log.error(err)
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}
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} else if (typeof arg.val !== 'undefined') {
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this.state.pos = arg.val
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} else if (typeof arg.capper !== 'undefined') {
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try {
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await this.cap(arg.capper, arg.id)
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} catch (err) {
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this.log.error(err)
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}
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} else if (typeof arg.exposure !== 'undefined') {
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try {
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await this.exposure(arg.exposure, arg.id);
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} catch (err) {
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this.log.error(err);
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}
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}
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event.returnValue = true
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}
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/**
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*
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**/
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private async end (cmd : string, id : string, ms : number) {
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let message = '';
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if (cmd === this.cfg.arduino.cmd.camera_forward) {
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message = 'Camera set to FORWARD';
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} else if (cmd === this.cfg.arduino.cmd.camera_backward) {
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message = 'Camera set to BACKWARD';
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} else if (cmd === this.cfg.arduino.cmd.camera_second_forward) {
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message = 'Camera second set to FORWARD';
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} else if (cmd === this.cfg.arduino.cmd.camera_second_backward) {
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message = 'Camera second set to BACKWARD';
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} else if (cmd === this.cfg.arduino.cmd.camera) {
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message = 'Camera ';
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if (this.state.dir) {
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message += 'ADVANCED';
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} else {
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message += 'REWOUND';
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}
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message += ' 1 frame';
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} else if (cmd === this.cfg.arduino.cmd.camera_second) {
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message = 'Camera second ';
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if (this.state.dir) {
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message += 'ADVANCED';
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} else {
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message += 'REWOUND';
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}
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message += ' 1 frame';
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} else if (cmd === this.cfg.arduino.cmd.camerass) {
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message += 'Cameras both MOVED 1 frame each';
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} else if (cmd === this.cfg.arduino.camera_exposure) {
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message += 'Camera set exposure';
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}
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message += ` ${ms}ms`
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this.log.info(message);
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this.ui.send(this.id, {cmd: cmd, id : id, ms: ms});
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return ms;
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}
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}
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module.exports = function (arduino : Arduino, cfg : any, ui : any, filmout : any, second : boolean) {
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return new Camera(arduino, cfg, ui, filmout, second);
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} |