General • Re: trying to output bits from a table using PIO

Code:

1 .program ws2812_led23 public entry_point:4 pull5 set x, 23 ; Loop over 24 bits6 bitloop:7 set pins, 1 ; Drive pin high8 out y, 1 [5] ; Shift 1 bit out, and write it to y9 jmp !y skip ; Skip the extra delay if the bit was 010 nop [5]11 skip:12 set pins, 0 [5]13 jmp x-- bitloop ; Jump if x nonzero, and decrement x14 jmp entry_point