Firmware: digital PI current controller with soft-start and OC latch#3
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electricalhog wants to merge 1 commit into
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Firmware: digital PI current controller with soft-start and OC latch#3electricalhog wants to merge 1 commit into
electricalhog wants to merge 1 commit into
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- 2 kHz control loop (500 us tick): encoder-adjustable setpoint (100 mA/click, 20 A ceiling), soft-start ramp 20 A/s - Scaled-integer PI with anti-windup clamp to the PWM range - Overcurrent fault latches the load off at setpoint + 2 A - ADC feedback via embedded-hal 0.2 OneShot (INA output, 12-bit) - Drop embedded-time; add embedded-hal 0.2 compat alongside 1.0 - Untrack electronic_load/target build artifacts (already gitignored) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Summary
embedded-hal0.2OneShotcompat (kept alongside e-h 1.0); dropsembedded-timeelectronic_load/target/build artifacts (already gitignored)Notes
ADC calibration constant assumes gain-50 sense at 1 mΩ; the hardware PR moves to INA185A1 (gain 20) + 2 mΩ TGHG →
ADC_COUNTS_AT_MAX_MAwill need updating to ≈(20×0.002×20)/3.3×4095 ≈ 993when the frontends merge.Test plan
cargo build --target thumbv6m-none-eabi🤖 Generated with Claude Code