More Robust I2C Designs with a New Fault-Injection Driver
summary
A GPIO-based fault-injection driver is presented that attaches to the same I2C bus as the master and intentionally toggles SDA/SCL lines to trigger real error conditions. It demonstrates injected stuck-low, clock-stretch, and repeated-start failures, measures how many transfers are corrupted, shows pragmatic bug fixes and limitations, and uses sigrok and OpenHardware for wire-level snooping and analysis.
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chapters (6)
- 0:00Robust I2C designs
- 10:04Fault-injection driver
- 17:21Linux integration
- 24:48Real-world apps
- 29:02Open-source framework
- 34:53Q&A
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