QUERY_FIRMWARE doesn't use currentBuffer to get length

examples/blink.js

@@ -0,0 +1,35 @@
+/**
+ * Sample script to blink LED 13
+ */
+
+
+console.log('blink start ...');
+
+var ledPin = 13;
+
+var firmata = require('../lib/firmata');
+var board = new firmata.Board('/dev/ttyACM0', function() {
+
+    console.log('connected');
+
+    console.log('Firmware: ' + board.firmware.name + '-' + board.firmware.version.major + '.' + board.firmware.version.minor);
+
+    var ledOn = true;
+    board.pinMode(ledPin, board.MODES.OUTPUT);
+
+    setInterval(function(){
+
+	if (ledOn) {
+	    console.log('+');
+	    board.digitalWrite(ledPin, board.HIGH);
+	}
+	else {
+	    console.log('-');
+	    board.digitalWrite(ledPin, board.LOW);
+	}
+
+	ledOn = !ledOn;
+
+    },500)
+
+});

lib/firmata.js

@@ -120,9 +120,12 @@ SYSEX_RESPONSE[QUERY_FIRMWARE] = function(board) {
     board.firmware.version = {};
     board.firmware.version.major = board.currentBuffer[2];
     board.firmware.version.minor = board.currentBuffer[3];
-    for (var i = 4, length = board.length - 3; i < length; i += 2) {
+    for (var i = 4, length = board.currentBuffer.length - 3; i < length; i += 2) {
         firmwareBuf.push((board.currentBuffer[i] & 0x7F) | ((board.currentBuffer[i + 1] & 0x7F) << 7));
+
     }
+
+
     board.firmware.name = new Buffer(firmwareBuf).toString('utf8', 0, firmwareBuf.length);
     board.emit('queryfirmware');
 };