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How to change define GAIN_IN_dB 0 manually ? not in code...

Other Parts Discussed in Thread: TMS320C5505

Hello Guys,

I've found this code for TMS320C5505 USB Stick.

/* New. Gain as a #define */
/* Use 30 for microphone. Use 0 for line */
#define GAIN_IN_dB 0

My question is, how to change it manually for example I have a button to increase or decrease ?

thanks a lot

Can I use this one ? is it 40 or 60 pins, I saw in the schematic 40 but in the board seems 60 ? which one is right ?