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Old 03-22-2017, 06:56 PM   #41
Forum Regular
Join Date: Feb 2015
Location: Australia
Posts: 155
Default Re: eChanter v3 released

Oh? I only looked at the switch test code which looks for a low, I assumed that applied to the main code. I shall read more!
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Old Yesterday, 05:33 PM   #42
Forum Member - Shy or Quiet
Join Date: Mar 2017
Location: Freehold, NJ
Posts: 1
Default Re: eChanter v3 troubleshooting

I am wondering if anyone has any advice. I am a novice programmer and beginner piper so I apologize in advance if I am missing something obvious. I am having trouble getting the echanter (v3) to work. I downloaded the sketch to an arduino, and attempt to test the code using jumper cables plugged into the proper pin locations as captouch sensors

When I touch the sensors, I can get the pin 2 captouch sensor to and play note 9. It also works when the pin 2 and 3 are touched simultaneously as shown from the Serial Monitor display (with note_detected and note_playing printed along with sensor, cycles and fmap variables).

Sensor::3::17 TOUCHED--fmap--0--note_detected--8--note_playing--8
Sensor::2::17 TOUCHED--fmap--2--note_detected--8--note_playing--8

However, when I try and touch more than that, I start to continuously get a tone (note 0) which I think is the grace note tone. You can see the serial readout when I touch three pins below.

Sensor::4::17 TOUCHED--fmap--0--note_detected--0--note_playing--0
Sensor::3::17 TOUCHED--fmap--4--note_detected--0--note_playing--0
Sensor::2::17 TOUCHED--fmap--6--note_detected--0--note_playing--0

I have altered the control rate variable to a setting of 64, and changed the captouch trigger setting to 3, and by doing so I can get it to read the note for sensors 4, 3 and 2 simultaneously, but after that I just get note zero again (as shown below).

Sensor::6::17 TOUCHED--fmap--0--note_detected--0--note_playing--0
Sensor::5::17 TOUCHED--fmap--16--note_detected--0--note_playing--0
Sensor::4::17 TOUCHED--fmap--24--note_detected--0--note_playing--0
Sensor::3::17 TOUCHED--fmap--28--note_detected--0--note_playing--0
Sensor::2::17 TOUCHED--fmap--30--note_detected--0--note_playing--0

I am at a loss of what to do to troubleshoot the problem. It seems as if the sensor touches are registered properly but the note detected and note playing variables stay on note zero.

If anyone can help I would greatly appreciate it. Regardless of my difficulties, its a great project!

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