var reverseBytes32 = exports.reverseBytes32 = function(data) {
if (data.length % 4) {
throw new Error("Util.reverseBytes32(): Data length must be multiple of 4");
}
var put = new Put();
var parser = Binary.parse(data);
while (!parser.eof()) {
var word = parser.word32le('word').vars.word;
put.word32be(word);
}
return put.buffer();
};
function compose(options) {
debug('Dumping options', options);
if (!misc.isNumber(options.address)) {
throw new errors.ArgumentError('Address is not specified');
}
if(misc.isNumber(options.value)){
options.value = [options.value];
}
if (!Array.isArray(options.value)) {
throw new errors.ArgumentError('Value is not specified or not an array');
}
if(options.type==consts.Types.INT32){
options.address = options.address|(1<<14);
}
var buffer = new BufferPut();
buffer.word16be(options.address);
buffer.word16be(options.value.length*options.type/2);
buffer.word8be(options.value.length*options.type);
for(var i=0; i<options.value.length; i++){
var value = options.value[i];
if(!misc.isNumber(value)){
throw new errors.ArgumentError('Value is not specified correctly');
}
switch(options.type){
case consts.Types.INT16:
buffer.word16be(value);
break;
case consts.Types.INT32:
buffer.word32be(value);
break;
default:
throw new errors.ArgumentError('Unknown type');
}
}
return buffer.buffer();
}