Generate and review STM32G4 Field-Oriented Control firmware for PMSM/BLDC motor drives.
npx skills add https://github.com/KunYi/Skills --skill foc-drive-embedded-c
Please help me install this Agent Skill. Skill: foc-drive-embedded-c Source: https://github.com/KunYi/Skills/tree/main/foc-embedded-c Command: npx skills add https://github.com/KunYi/Skills --skill foc-drive-embedded-c
This Skill prevents broken or unsafe Field-Oriented Control implementations by enforcing physically verifiable, timing-aware guidance for STM32G4-class PMSM/BLDC motor drive firmware rather than generic FOC templates.
Use the foc-drive-embedded-c skill to help you write or review STM32G4 FOC code for a PMSM using dual-ADC current sensing by asking for the required ISR pipeline, ADC trigger placement, SVPWM limits, and an emergency protection plan.
High-intent search queries and answers about installing and using this skill.
Implementing FOC control for a PMSM on the STM32G4 requires a cascaded speed and position loop, SVPWM modulation, and deterministic current sensing. This involves configuring precise ADC/DMA sampling and applying correct amplitude-invariant transforms.
Designing ADC DMA timing for SVPWM requires aligning sampling points with the PWM center to avoid switching noise. You must trigger dual-ADC conversions via the STM32G4 timer and use DMA to ensure deterministic, low-latency current reconstruction.
Yes, sensorless observers are supported for BLDC motor drives using a Sliding Mode Observer (SMO) paired with a Phase-Locked Loop (PLL). This allows accurate rotor position and speed estimation without physical sensors in your FOC pipeline.
Handling emergency protection in motor drive firmware requires prioritizing Over-Current Protection (OCP) and DC-bus overvoltage handling. You must define explicit safe-state transitions, choosing between High-Z or Active Short Circuit (ASC) behavior during faults.
A safety state machine is needed in STM32G4 FOC implementations to manage fault and abuse-case readiness deterministically. It ensures safe sequencing of control loops and guarantees emergency behavior during critical hardware events.
Generic FOC templates lack physically verifiable, timing-aware constraints required for production motor drives. They often fail to address topology-aware current reconstruction, STM32G4 PWM specifics, and explicit safe-state emergency behaviors.
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