Feat/power component - #657
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Add a two-layer `power` component (tdl_power + tdd_power) modeled on the
button/led drivers, giving battery boards a real abstraction for three
capabilities: power-domain switching, battery gauge, and charger status.
The driver provides mechanism only; the app owns policy.
- tdl_power: app API (find, domain_set/get by semantic role, battery
voltage/percent, charger state + events). Multi-contributor device so one
"power" device can span an AXP PMIC plus SoC GPIO/ADC backends.
- tdd_power_soc: SoC backend - GPIO load-switch domains, ADC divider battery
(peak sampling + EMA smoothing), GPIO charge detect. Charger IRQ uses
single-edge re-arming because T5 has no double-edge GPIO interrupt.
- tdd_power_axp2101: config-driven AXP2101 bring-up, dissolving the old
per-board board_axp2101_api.
- Migrate POCKET / EINK_NFC / ZECTRIX_NOTE_4 / WAVESHARE to the component and
delete the per-board board_power_domain_api / board_charge_detect_api /
board_axp2101_api files.
- Decouple apps (your_chat_bot battery, pocket main_screen) from direct chip
calls.
- WAVESHARE: init the shared I2C0 bus before the (optional) QMI8658 IMU, and
two-point ADC calibration (cal_low/cal_span) verified against a meter.
- examples/peripherals/power/{basic,selftest}: usage demo + on-target self
test with on-screen results; host unit tests under src/peripherals/power/test.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- Dissolve src/peripherals/pmic into the power component: the axp2101 and m5pm1 chip drivers move under power/tdd_power/src/<chip>/ (no standalone pmic component). Build them with ENABLE_POWER; drop ENABLE_PMIC*. - Add the tdd_power_m5pm1 backend (battery from the M5PM1 ADC, charge state from the power source, plug/unplug IRQ on GPIO13) and register the power device on M5STACK_STICKS3. Slim the M5Stack board file (internal static bring-up, drop the unused public power API and the display test helper) and fix its display select (ENABLE_ESP_DISPLAY -> ENABLE_DISPLAY). - Migrate POCKET / WAVESHARE_ESP32S3 board Kconfig ENABLE_PMIC* -> ENABLE_POWER. - power selftest: portable format specifiers (cast u32/u8 to unsigned) + add M5STACK configs. - Adopt the platform flash-size derivation: bump the ESP32 platform pin and drop the now-redundant PLATFORM_FLASHSIZE selects on ESP32-C6 / ESP32-P4-C6. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
shiliu-yang
approved these changes
Jul 30, 2026
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