Merge branch 'beta' into stable

1 files changed, 29 insertions, 0 deletions

diff --git a/mkarduino.py b/mkarduino.py
new file mode 100644
index 0000000..39926c5
--- /dev/null
+++ b/mkarduino.py
@@ -0,0 +1,29 @@
+#IV to arduino array computer
+
+import xml.etree.ElementTree as ET
+import sys
+
+iv = ET.parse(sys.argv[1]).getroot()
+
+streams = iv.findall('./streams/stream[@type="ns"]')
+if len(streams) > 3:
+    print 'WARNING: Too many streams'
+
+for i in xrange(min(3, len(streams))):
+    stream = streams[i]
+    notes = stream.findall('note')
+
+# First, the header
+    sys.stdout.write('const uint16_t track%d[] PROGMEM = {\n'%(i,))
+
+# For the first note, write out the delay needed to get there
+    if notes[0].get('time') > 0:
+        sys.stdout.write('%d, 0,\n'%(int(float(notes[0].get('time'))*1000),))
+
+    for idx, note in enumerate(notes):
+        sys.stdout.write('%d, FREQ(%d),\n'%(int(float(note.get('dur'))*1000), int(440.0 * 2**((int(note.get('pitch'))-69)/12.0))))
+        if idx < len(notes)-1 and float(note.get('time'))+float(note.get('dur')) < float(notes[idx+1].get('time')):
+            sys.stdout.write('%d, 0,\n'%(int(1000*(float(notes[idx+1].get('time')) - (float(note.get('time')) + float(note.get('dur'))))),))
+
+# Finish up the stream
+    sys.stdout.write('};\n\n')