Note off on stop.

drumsheet/drumsheet.lua

@@ -103,6 +103,12 @@ function timer:action_cb()
 	matrix.redraw="YES"
 end
 
+function silence()
+	for i=1,#instruments do
+		midiwire.note_off(mout, instruments[i][2], chan)
+	end
+end
+
 function playbtn:action()
 	bpm.active="NO"
 	factor.active="NO"
@@ -116,6 +122,7 @@ function stopbtn:action()
 	len.active="YES"
 	timer.run="NO"
 	-- todo  - tohle lépe
+	silence()
 	if step==1 then
 		matrix:setcell(9, LEN-1, "")
 	else
@@ -218,6 +225,7 @@ function pat_recall(patno)
 	if not patterns[patno] then return end
 	local was_running = timer.run == "YES"
 	timer.run="NO" -- pause while recalling to not glitch
+	silence()
 	for x=1,8 do
 		patterns[patno][x] = patterns[patno][x] or {}
 		for y=1,32 do