FV-1 dev board - success and access to rom programs

philbrooksjazz

New member
Very happy with the FV-1 dev board kit, I stuffed the board, fired it up and discovered the 'dry' signal working fine, I realized the eeprom I ordered was blank, so I took the extra step of setting up the Spin001 dev environment, downloaded some of the sample code off of the Spin forums. After building the hex file, I used the Linux utilities to convert (hex to bin), then downloaded the bin file to the eeprom - it worked great! After some experimentation, I realized the selector switch on the dev board allows access to programs 1-2. This is certainly acceptable and will allow me to start developing my own codecs. It would be great if there was a dip switch that allowed access to all 8 supported program memory slots. Also, has anyone tried grounding pin 13 on the FV-1 and accessing the ROM programs? This would also require expanded access to the program select pins 17-19. Has anyone tried this? My apologies if this has been covered in a previous thread, I'm still new to the the FV-1 and pedal PCB.

My goals are to learn programming for the FV-1, and eventual goal of converting several of my Polytone amps to use the FV-1 internal digital effects. I might be different in that I really don't the extra hassle of having to use an external pedal or box for effects, I like to have them embedded into the amp. Note that I've done DSP software for many years, but always in C, and mostly for medical devices (EEG systems), and also for material testing.
Thanks very much
 
You have access to programs 0 - 2 if you use a 3-position ON/OFF/ON toggle switch.

Pin 18 is grounded on the PCB so it'd involve a little hackery to use that one.

You certainly can ground pin 13 for access to the internal programs.
 
Thanks Robert - yes I was thinking I could lift the pin and tack a length of wire wrap wire to it for control.
Another question - is it possible to program the left and right outputs with different codecs? Then mix them with an op amp circuit on the output to blend. The idea is that it would really be 2 pedals, I like the idea of of having fully independent reverb and chorus.
 
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