DO NOT MERGE WIP. Add support for external SPI ADC on rp2040 and rp2350 - #65

Draft

thomasfla wants to merge 11 commits into

simplefoc:rp2350_current_sensefrom

thomasfla:rp2350_current_sense

Commits on Aug 27, 2025

Add a PIO program for ADC bu79100g, work in progress
thomasfla
committed
39806d8
add the option to select any trigger pin.
thomasfla
committed
9268cf3
add a bit more info and dev status in readme.
thomasfla
committed
3f815f8

Commits on Sep 2, 2025

first working version of a PIO to DMA setup without CPU calls. Transmitting 64bits per samples, in a ring buffer from witch the CPU can take the last samples.
thomasfla
committed
cc97db0

Commits on Sep 3, 2025

Commits on Sep 4, 2025

Fix bit order, edge sampling and deinterleaving, First working version, validated on RP2350 with 3 ADCs
thomasfla
committed
b373096

Commits on Sep 5, 2025

Optimize de-interleaving (getPhaseCurrents() < 1uS on Rp2350), Unroll the loop, only do abc, only 12bits
thomasfla
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2385915

Commits on Sep 8, 2025

Document the internal design in readme
thomasfla
committed
2d8b529

Commits on Sep 11, 2025