ReddRadar
Agent skill
can-bus
CAN/CAN-FD bus analysis and development expertise
Install this agent skill to your Project
npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/embedded-systems/skills/can-bus
SKILL.md
CAN Bus Skill
Overview
This skill provides comprehensive CAN and CAN-FD bus analysis, development, and debugging capabilities for automotive and industrial embedded systems.
Capabilities
Message Frame Operations
- CAN message frame generation
- Frame analysis and decoding
- Identifier filtering and masking
- Standard (11-bit) and extended (29-bit) IDs
- Remote frame handling
DBC File Support
- DBC file parsing and generation
- Signal decoding and encoding
- Message definition management
- Physical value scaling
- Multiplexed signal support
Protocol Support
- CAN 2.0A/B compliance
- CAN-FD configuration and validation
- J1939 transport protocol
- CANopen communication
- UDS (ISO 14229) diagnostics
- ISO-TP (ISO 15765-2)
Bus Analysis
- Bus arbitration analysis
- Error frame detection and analysis
- Bus-off recovery monitoring
- Bus load calculation
- Bit timing verification
- Network topology analysis
Gateway Operations
- Message routing configuration
- Gateway bridge setup
- Protocol translation
- Filtering and forwarding rules
Target Processes
device-driver-development.js- CAN driver implementationsignal-integrity-testing.js- CAN bus signal validationhw-sw-interface-specification.js- CAN interface definitionfunctional-safety-certification.js- CAN safety requirements
Dependencies
- CAN interface tools (PEAK, Vector, Kvaser)
- DBC files for signal decoding
- CAN analyzer hardware
- SocketCAN (Linux)
Usage Context
This skill is invoked when tasks require:
- CAN driver development
- Bus communication debugging
- DBC-based signal analysis
- Protocol stack implementation
- Automotive networking
Configuration Examples
CAN Bit Timing
can:
bitrate: 500000 # 500 kbps
sample_point: 87.5
sjw: 1
seg1: 13
seg2: 2
prescaler: 4
CAN-FD Configuration
can_fd:
nominal_bitrate: 500000
data_bitrate: 2000000
brs: enabled # Bit Rate Switch
esi: enabled # Error State Indicator
DBC Signal Definition
BO_ 0x123 EngineData: 8 ECU
SG_ EngineRPM : 0|16@1+ (0.25,0) [0|16383.75] "rpm" Vector__XXX
SG_ EngineTemp : 16|8@1+ (1,-40) [-40|215] "C" Vector__XXX
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