mcopy/app/lib/cam/index.js

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'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
const Intval = require("intval");
const Log = require("log");
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/** class representing camera functions **/
class Camera {
/**
*
**/
constructor(arduino, cfg, ui, dig, second = false) {
this.state = {
pos: 0,
dir: true,
digital: false
};
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this.arduino = null;
this.intval = null;
this.id = 'camera';
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this.arduino = arduino;
this.cfg = cfg;
this.ui = ui;
this.dig = dig;
if (second)
this.id += '_second';
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this.init();
}
/**
*
**/
async init() {
this.log = await Log({ label: this.id });
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this.ipc = require('electron').ipcMain;
this.listen();
}
/**
*
**/
listen() {
this.ipc.on(this.id, this.listener.bind(this));
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this.ipc.on('intval', this.connectIntval.bind(this));
}
/**
*
**/
async set(dir, id) {
let cmd;
let ms;
if (dir) {
cmd = this.cfg.arduino.cmd[`${this.id}_forward`];
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}
else {
cmd = this.cfg.arduino.cmd[`${this.id}_backward`];
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}
this.state.dir = dir;
if (this.intval) {
try {
ms = await this.intval.setDir(dir);
}
catch (err) {
this.log.error(err);
}
}
else {
try {
ms = await this.arduino.send(this.id, cmd);
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}
catch (err) {
this.log.error(err);
}
}
return await this.end(cmd, id, ms);
}
/**
*
**/
async move(frame, id) {
const cmd = this.cfg.arduino.cmd[this.id];
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let ms;
if (this.dig.state.enabled) {
await this.dig.start();
}
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if (this.intval) {
try {
ms = await this.intval.move();
}
catch (err) {
this.log.error(err);
}
}
else {
try {
ms = await this.arduino.send(this.id, cmd);
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}
catch (err) {
this.log.error(err);
}
}
if (this.dig.state.enabled) {
//await delay(100 * 1000);
await this.dig.end();
}
//this.log.info('Camera move time', { ms });
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return this.end(cmd, id, ms);
}
async both(frame, id) {
id = 'cameras';
const cmd = this.cfg.arduino.cmd[id];
let ms;
try {
ms = await this.arduino.send(this.id, cmd);
}
catch (err) {
this.log.error(`Error moving ${this.id}`, err);
}
//this.log.info('Cameras move time', { ms });
return await this.end(cmd, id, ms);
}
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/**
*
**/
exposure(exposure, id) {
let cmd = 'E';
this.intval.setExposure(this.id, exposure, (ms) => {
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this.end(cmd, id, ms);
});
}
/**
*
**/
async connectIntval(event, arg) {
return new Promise((resolve, reject) => {
if (arg.connect) {
this.intval = new Intval(arg.url);
this.intval.connect((err, ms, state) => {
if (err) {
this.ui.send('intval', { connected: false });
this.log.info(`Cannot connect to ${arg.url}`, 'INTVAL');
this.intval = null;
}
else {
this.ui.send('intval', { connected: true, url: arg.url, state: state });
this.log.info(`Connected to INTVAL3 @ ${arg.url}`, 'INTVAL');
}
return resolve(true);
});
}
else if (arg.disconnect) {
this.intval = null;
return resolve(false);
}
});
}
/**
*
**/
async listener(event, arg) {
if (typeof arg.dir !== 'undefined') {
try {
await this.set(arg.dir, arg.id);
}
catch (err) {
this.log.error(err);
}
}
else if (typeof arg.frame !== 'undefined') {
try {
await this.move(arg.frame, arg.id);
}
catch (err) {
this.log.error(err);
}
}
else if (typeof arg.val !== 'undefined') {
this.state.pos = arg.val;
}
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event.returnValue = true;
}
/**
*
**/
async end(cmd, id, ms) {
let message = '';
if (cmd === this.cfg.arduino.cmd.camera_forward) {
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message = 'Camera set to FORWARD';
}
else if (cmd === this.cfg.arduino.cmd.camera_backward) {
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message = 'Camera set to BACKWARD';
}
else if (cmd === this.cfg.arduino.cmd.camera_second_forward) {
message = 'Camera second set to FORWARD';
}
else if (cmd === this.cfg.arduino.cmd.camera_second_backward) {
message = 'Camera second set to BACKWARD';
}
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else if (cmd === this.cfg.arduino.cmd.camera) {
message = 'Camera ';
if (this.state.dir) {
message += 'ADVANCED';
}
else {
message += 'REWOUND';
}
message += ' 1 frame';
}
else if (cmd === this.cfg.arduino.cmd.camera_second) {
message = 'Camera second ';
if (this.state.dir) {
message += 'ADVANCED';
}
else {
message += 'REWOUND';
}
message += ' 1 frame';
}
else if (cmd === this.cfg.arduino.cmd.camerass) {
message += 'Cameras both MOVED 1 frame each';
}
message += ` ${ms}ms`;
this.log.info(message);
this.ui.send(this.id, { cmd: cmd, id: id, ms: ms });
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}
}
module.exports = function (arduino, cfg, ui, dig, second) {
return new Camera(arduino, cfg, ui, dig, second);
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};
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