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Maximilian Seesslen, 07.10.2025 15:27

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[[Eval]]
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[[Schematics]]
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h1. Wiki
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(Polnisch fuer Ausfall, Stoerung)
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Reboot tests for nodes in order to
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* Test RTC persistence (Does RTC battery still work)
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* Test bootup issues (delay for flash chips) (CANDIS SPI Flash issues)
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* Test battery livetime (How long does miniminutnik run on one charged battery)
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h2. Parts
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* PI5C3257QE; 4xSPDT; 1 Schalter; 0.229€; 2 of them.
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* N+P-MOSFET for power switching
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* Button for device switching
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* Orange-LED: Target is on; Violet LED: Target is off (Awira is connected); Orange-Blinking: Test running; Violett-Blinking: Test running; Alternating: Target powered only
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* Red-Blinking: Test failed; Red-On: Test succeeded
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* 3V output e.g. for Miniminutnik reboot tests
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* 5V Input when CAN (-connector) is not available
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* Transceiver, STM32F072, voltage regulator
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h2. Behaviour
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Awaria has Debug+CANBus 'input' which can be disconnected by electrical switches
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To the own debug output either target device or awarias UART is routed.
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A running test is interrupted
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h2. Open points
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* Measure current? I don't have a 'nice' device which does such thing yet. Here an additional UART would make sense to access Awaria while target is running. But power and routing is seperated. When measuring the low side also 3V output can be measured.