Firmware Diagnostics Debugger
Debug firmware crashes and hardware faults instantly
What You Can Do
Rapidly analyze firmware crash dumps, logs, and memory diagnostics to identify root causes of consumer electronics failures. You provide crash data and device logs; Claude parses stack traces, detects memory leaks, correlates hardware failures, and generates actionable fixes with prioritized risk assessments. Cut debugging time from hours to minutes.
Features
Parse binary and text crash files to extract stack traces, fault codes, and register states
Identify memory leaks, buffer overflows, heap corruption, and resource exhaustion patterns
Correlate hardware sensor failures with firmware state and timing issues
Detect anomalies, failure sequences, and cyclic patterns in multi-MB device logs
Diff firmware versions to pinpoint code changes that introduced bugs
Classify issues by severity with recommended fix order and safety considerations
Create detailed, repeatable test scenarios to reliably trigger reported failures
Handle ARM Cortex, RISC-V, and x86 architectures; ELF, HEX, binary, and JSON log formats
Example Output
Example 1: Crash Dump Analysis
Input: ARM Cortex-M4 crash dump with stack backtrace Claude Output:
Root Cause: Stack overflow in WiFi driver RX buffer handling
Location: wifi_driver.c:457, malloc(512) insufficient
Fix: Increase BUFFER_SIZE from 512 to 2048 bytes
Risk Level: CRITICAL (causes device reboot every ~30min)
Affected Versions: v2.1.3, v2.1.4 (fixed in v2.2.0)
Example 2: Memory Leak Detection
Input: Heap usage telemetry over 72 hours Claude Output:
Leak Detected: Bluetooth connection handler not releasing resources
Rate: ~75KB/hour accumulation
Impact: Device becomes unresponsive after 8-10 hours
Root Location: bt_handler.c:203 (missing free in disconnect path)
Fix: Add free(conn_context) before function exit
Test Plan: Continuous BT connect/disconnect cycle for 24 hours
Example 3: Hardware Integration Issue
Input: Serial logs + I2C sensor readings + sleep/wake events Claude Output:
Issue: Temperature sensor returns stale values after sleep cycle
Root Cause: I2C bus not re-initialized in wake-from-sleep routine
Reproduction: Sleep 30s → wake → query sensor 3x rapidly
Solution: Add 100ms delay + reinit I2C state machine
Priority: HIGH (affects thermal management firmware)
What's Included
- SKILL.md: Complete firmware diagnostics engine with Claude instructions and analysis workflows
- Crash dump parser template: Regex patterns and binary offset mapping for ARM/RISC-V architectures
- Log analysis checklist: Systematic review steps for device logs and telemetry data
- Hardware integration fault tree: Decision flowchart for hardware-software boundary issues
- Memory leak detection workflow: Heap allocation tracking and leak pattern signatures
- Risk assessment scoring matrix: Severity classification (Critical/High/Medium/Low) with justification framework
- Reproduction steps generator: Template for creating repeatable test scenarios from failure data
Who It's For
- Firmware engineers debugging embedded systems and IoT device issues
- Hardware technical support teams analyzing field failures and customer reports
- QA/test engineers investigating device crashes and reliability regressions
- Product reliability teams performing root cause analysis on production incidents
- Consumer electronics manufacturers reducing MTTR and support ticket volume
Best For
- Analyzing crash dumps from field-deployed devices
- Debugging intermittent or timing-dependent hardware-software integration issues
- Memory leak and resource exhaustion investigation across long-running tests
- Firmware regression testing and version-to-version comparison
- Root cause analysis for customer-reported problems and warranty claims
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