STM32F10x: ADC test fails spuratically on VerifyPolling

[kammce]

Bug Report

Describe the bug

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To Reproduce

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1. Copy snippet '...'
2. Flash onto board '....'
3. Run example using Telemetry to see out '....'
4. See error after log message '...'

Expected behavior

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Screenshots

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Setup Information

• Host OS: [e.g. Ubuntu, OSX]
• Platform [e.g. sjtwo, lpc40xx, stm32ff10x, bluepill, raspberrypi]
• Browser [e.g. chrome, firefox]
• Commit hash [to get this information please run git rev-parse HEAD in the SJSU-Dev2 directory]

Additional context

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