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tutorial/04-embedded-no-std-hello/README.md
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tutorial/04-embedded-no-std-hello/README.md
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# 04 - Embedded no_std Hello (8 min)
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## Goal
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Erstes Bare-Metal-Programm mit `#![no_std]`, `#![no_main]` und RTT Logs.
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## Run
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- `bash scripts/run-step.sh 04 task`
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## Tasks
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1. Lies die Top-Level-Attribute in `task/src/main.rs`.
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2. Passe die Log-Ausgaben an.
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3. Flashe mit `cargo run --release`.
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## Done when
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1. Firmware läuft auf Bluepill.
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2. RTT zeigt zyklisch eine "alive"-Meldung.
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