Agent-Skills.md

Agent Skills: Protocol Analyzer Skill

Serial protocol analysis and debugging for common embedded interfaces (I2C, SPI, UART)

UncategorizedID: a5c-ai/babysitter/protocol-analyzer

Repository

a5c-ai/babysitter
a5c-aiLicense: MIT
244

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pnpm dlx add-skill https://github.com/a5c-ai/babysitter/tree/HEAD/plugins/babysitter/skills/babysit/process/specializations/embedded-systems/skills/protocol-analyzer

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plugins/babysitter/skills/babysit/process/specializations/embedded-systems/skills/protocol-analyzer/SKILL.md

Skill Metadata

Name
protocol-analyzer
Description
Serial protocol analysis and debugging for common embedded interfaces (I2C, SPI, UART)

Protocol Analyzer Skill

Overview

This skill provides serial protocol analysis and debugging capabilities for common embedded communication interfaces including I2C, SPI, and UART.

Capabilities

I2C Analysis

  • Bus address detection and scanning
  • Transaction decoding and timing
  • NACK handling and error detection
  • Multi-master arbitration analysis
  • Clock stretching detection
  • 7-bit and 10-bit addressing
  • Fast mode and fast mode plus support

SPI Analysis

  • Transaction decoding
  • Mode configuration (CPOL/CPHA)
  • Clock frequency analysis
  • Chip select timing verification
  • Full-duplex data capture
  • Multi-slave configurations

UART Analysis

  • Frame analysis and decoding
  • Baud rate auto-detection
  • Parity and stop bit verification
  • Flow control analysis (RTS/CTS)
  • Break condition detection
  • Error frame identification

Timing Analysis

  • Setup and hold time verification
  • Clock frequency measurement
  • Inter-frame timing analysis
  • Protocol timing compliance
  • Glitch and noise detection

Integration

  • Saleae Logic analyzer integration
  • Sigrok/PulseView support
  • Protocol decoder libraries
  • Export to standard formats

Target Processes

  • device-driver-development.js - Driver debugging and validation
  • hardware-bring-up.js - Initial communication verification
  • signal-integrity-testing.js - Protocol signal analysis
  • bsp-development.js - BSP communication testing

Dependencies

  • Logic analyzer software (Saleae Logic, Sigrok)
  • Protocol decoder libraries
  • Logic analyzer hardware

Usage Context

This skill is invoked when tasks require:

  • Serial protocol debugging
  • Communication timing verification
  • Bus error diagnosis
  • Protocol compliance testing
  • Multi-device communication analysis

Protocol Configurations

I2C Standard Settings

i2c:
  mode: standard | fast | fast_plus | high_speed
  addressing: 7bit | 10bit
  clock_stretching: enabled | disabled

SPI Mode Settings

spi:
  mode: 0 | 1 | 2 | 3  # CPOL/CPHA combinations
  bit_order: msb_first | lsb_first
  word_size: 8 | 16 | 32

UART Settings

uart:
  baud_rate: 9600 | 115200 | etc.
  data_bits: 7 | 8 | 9
  parity: none | even | odd
  stop_bits: 1 | 2