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translate.js
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var _ = require('lodash');
var tiTime = 0.2;
var gpioNumber = 2;
var rosettaStone = {
'a' : '.-',
'b' : '-...',
'c' : '-.-.',
'd' : '-..',
'e' : '.',
'f' : '..-.',
'g' : '--.',
'h' : '....',
'i' : '..',
'j' : '.---',
'k' : '-.-',
'l' : '.-..',
'm' : '--',
'n' : '-.',
'o' : '---',
'p' : '.--.',
'q' : '--.-',
'r' : '.-.',
's' : '...',
't' : '-',
'u' : '..-',
'v' : '...-',
'w' : '.--',
'x' : '-..-',
'y' : '-.--',
'z' : '--..',
' ' : '/'
}
var string2translate = 'bonjour';
var translation = '';
_.forEach(
string2translate.split(''),
function(char) {
translation = translation.concat(rosettaStone[char], ' ');
}
);
console.log(translation);
var blink = function(duration) {
return 'gpio write ' + gpioNumber + ' 1; sleep ' + duration + '; gpio write ' + gpioNumber + ' 0; sleep ' + tiTime + ';'
}
var wait = function(duration) {
return 'sleep ' + duration + ';'
}
var command = '';
_.forEach(
translation.split(''),
function(char) {
switch (char) {
case '.':
command = command.concat(blink(tiTime));
break;
case '-':
command = command.concat(blink(tiTime * 3));
break;
case ' ':
command = command.concat(wait(tiTime * 2));
break;
case '/':
command = command.concat(wait(tiTime * 6));
break;
}
}
);
console.log(command);
var exec = require('child_process').exec;
exec(command);