2020/10/14 01:02
13/16
Introduction
MIDIbox - http://www.midibox.org/dokuwiki/
voltage straight to ground, causing mios to crash, and maybe cause damage to the circuit.
If your using manufactured expresion pedals or other cv devices, check the pin assignment, some
devices use a different setup.
With different setups, there is no way of st5 being passed straight to ground while
inserting/removing the jack (that i know of). Make sure you power off first!!!
Buttons / Foot Switches
Up to 34 buttons can be used with Pedal Board mode.
16 fixed buttons, 16 banked buttons, bank up and bank down
This gives a total of 144 possible midi commands.
The fixed buttons must be connected first (pin 0 up to 15), any amount 16 or less if fine (including
none).
Fixed buttons are buttons numbers 1-16.
The banked buttons connect next (starting from the next available pin), again any number of banked
buttons 16 or less is fine (including none).
They represent buttons 17-144.
The special function buttons pair up with bank down to access the setup menu's these can be any
button aside from bank up or bank down. (pins defined in pbx_config.h)
How many of each type of button is defined in pbx_config.h.
The amount of banks available will vary with how many physical banked buttons you have. eg. with 2,
there will be 64 banks, with 4 there will be 32 banks.
With 6 buttons there will be 22 banks. In bank 22, the first 2 buttons will represent button number
143 and 144, the 4 remaining will also represent 144.
If you don't have any banked buttons, bank display functions will also be disabled.
Indicator LEDs
Buttons can have indicator LEDs displaying their curent status.
LEDs connect to the first 1,2,3 or 4 shift registers, matching up with their DIN counterparts.
eg. SR1 DIN D0 = DOUT D7, DIN D1 = DOUT D6
If you do not wish to use indicators for buttons, they must be disabled in pbx_config.h
7 Segment LED Digits
2 seven segment LED digits can be connected to a DOUT module for bank display.
Pedal BoX does not use a LED matrix, each digit requires it's own shift register
Connect digits to the shift registers after LEDs, so if you only use 4 leds, still start at SR2 (or pin 8)
