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rp2/pio: Fix the RP2350 (PICO2) Port PIO2 prog data structure #17519

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rp2/pio: Fix the RP2350 (PICO2) Port PIO2 prog data structure #17519

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Summary

The RP2350 PIO2 State Machines ( 8, 9, 10, 11 ) did not work.
The data structure used to pass the PIO arguments was missing an entry for PIO2, thus causing the PIO2 instances to write wrong data to wrong locations.
Fixes issue #17509

Testing

RP2530 Pico 2 board - Tested a modified pio_1hz.py, now works on all 12 RP2350 state machines at once or 1 at a time.
RP2040 Pico board - still works, tested a modified pio_1hz.py, works on all 8 state machines at once or 1 at a time.

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Code size report:

   bare-arm:    +0 +0.000% 
minimal x86:    +0 +0.000% 
   unix x64:    +0 +0.000% standard
      stm32:    +0 +0.000% PYBV10
     mimxrt:    +0 +0.000% TEENSY40
        rp2:    +0 +0.000% RPI_PICO_W
       samd:    +0 +0.000% ADAFRUIT_ITSYBITSY_M4_EXPRESS
  qemu rv32:    +0 +0.000% VIRT_RV32

@IntergalacticMicrosystems IntergalacticMicrosystems marked this pull request as draft June 18, 2025 04:35
@IntergalacticMicrosystems IntergalacticMicrosystems changed the title Fix the RP2350 (PICO2) Port PIO2 prog data structure rp2/pio: Fix the RP2350 (PICO2) Port PIO2 prog data structure Jun 18, 2025
@IntergalacticMicrosystems IntergalacticMicrosystems marked this pull request as ready for review June 18, 2025 13:37
@dpgeorge dpgeorge added this to the release-1.26.0 milestone Jun 19, 2025
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@IntergalacticMicrosystems @dpgeorge