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43 lines
2.2 KiB
Markdown
43 lines
2.2 KiB
Markdown
# P08 — Arduino debt burn-down
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STATUS: DONE
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DEPENDS: P06 (behaviour parity). P07 optional.
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READ: this file, `components/hal_motor/**`, HAL headers from P03
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OUT: recipe edits; UI redesign; LVGL-by-default
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FORBIDDEN: behaviour change of times/stop/resume; dropping cooperative stop
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## IN
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Replace Arduino libs with IDF peripherals **behind the same HAL**. Remove Arduino-as-component from the S3 image first, then WROOM.
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Order (one commit each, tests+builds green after each):
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1. **Audio:** LEDC / `ledc_timer` tones; delete `tone()`.
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2. **Motor:** RMT TX pulse train for STEP, GPIO DIR/EN. `hal_motor_request_stop` aborts RMT + EN HIGH. Delete AccelStepper. Same 4800 steps/rev, 60 RPM, accel ≈9600 (RMT may use a short ramp table).
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3. **Temp:** RMT or `onewire_bus` IDF component; keep +0.4 °C offset. Delete Dallas/OneWire Arduino.
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4. **Keypad:** GPIO matrix scan in `hal_input` (no Keypad lib). Same keymap.
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5. **LCD 2004:** IDF I2C + HD44780 nibble commands (or `esp_lcd` panel io i2c). Delete LiquidCrystal_I2C.
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6. Drop `espressif/arduino-esp32` from `idf_component.yml` when nothing includes Arduino.h.
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Do not change `hal_*` public headers except adding RMT-specific internals in `.c`.
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## VERIFY
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Host tests pass (stubs unchanged).
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Both boards build without Arduino component.
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Hardware WROOM: Custom 10 s, Esc mid-step EN off, Resume remaining, temp display, beep Stop/Resume, complete alarm cancellable.
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## COMMITS
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Per numbered item above, e.g. `Replace AccelStepper with RMT step pulse HAL`.
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## DoD
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- [x] `rg -n "Arduino.h|AccelStepper|LiquidCrystal|DallasTemperature|#include <Keypad.h>|#include <OneWire.h>"` empty in `main/` and live `components/hal_*` / `main` (vendor copies remain unlinked under `components/third_party/`)
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- [x] Stop still EN-off first (`hal_motor_request_stop` EN HIGH then RMT abort)
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- [x] STATUS→DONE
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Notes: audio was already LEDC; converted to C. Motor RMT copy-encoder batches + short accel table. Temp `espressif/onewire_bus` + skip-ROM scratchpad, +0.4 °C. Keypad GPIO scan, same 5x4 map. LCD PCF8574 nibble HD44780 on I2C0. Dropped `espressif/arduino-esp32` and `initArduino()`. Host ctest green. Local `idf.py` not run (no IDF_PATH). Hw unflashed.
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