By name: expert-rmt5 description: ESP-IDF v5.x RMT5 API expert for LED protocols, encoders, and multi-channel control. Use when working with RMT peripheral programming, LED strip control, or migrating from RMT4 to RMT5. context: fork agent: expert-rmt5-agent
Get expert guidance on ESP-IDF v5.x RMT (Remote Control Transceiver) peripheral programming.
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What This Expert Covers
Implementation & Design
- LED Strip Control: WS2812, SK6812, APA106, and custom LED protocols
- Encoder Architecture: Copy, Bytes, Simple Callback, and Custom Composite encoders
- Multi-Channel Sync: Coordinated transmission across multiple outputs
- IR Remote Control: NEC, RC5, and other infrared protocols
Migration & Modernization
- RMT4 to RMT5 Migration: Convert legacy code to new encoder-based architecture
- API Translation: Channel handles, symbol structures, clock configuration
Debugging & Troubleshooting
- Common errors: encoding artifacts, clock source mismatch, timing inaccuracies
- System crashes: Cache safety, IRAM placement, flash operation conflicts
- Performance issues: DMA configuration, encoder optimization
Configuration & Optimization
- Timing calculations, resolution selection, duration encoding
- DMA setup, buffer sizing, alignment requirements
- Hardware limits across ESP32 family (ESP32, S2, S3, C3, C6, H2)
What You'll Get
- Complete code examples with detailed comments
- Timing calculations showing duration/resolution conversions
- State machine diagrams for custom encoders
- Hardware compatibility analysis for your target chip
- Testing strategies with edge cases and validation steps