ReddRadar
Agent skill
protocol-analyzer
Serial protocol analysis and debugging for common embedded interfaces (I2C, SPI, UART)
Install this agent skill to your Project
npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/embedded-systems/skills/protocol-analyzer
SKILL.md
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 validationhardware-bring-up.js- Initial communication verificationsignal-integrity-testing.js- Protocol signal analysisbsp-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
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