packets.js

function pack32(val) {
    var pack = new Array();
    pack[0] = (val >> 24) & 255;
    pack[1] = (val >> 16) & 255;
    pack[2] = (val >> 8) & 255;
    pack[3] = val & 255;

    return pack;
}

function unPack32(arr){
	if(arr.length == 4){
		var unPacked = arr[0] << 24 | arr[1] << 16 | arr[2] << 8 | arr[3] 
		return unPacked
	} else {
		console.log("ERR: arr > 4 at unPack32")
	}
	
}

module.exports = {
	pack32: pack32,
	unPack32: unPack32
}