log: Introduce log crate #339
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Signed-off-by: Akira Moroo <[email protected]>
Signed-off-by: Akira Moroo <[email protected]>
Signed-off-by: Akira Moroo <[email protected]>
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RHF has a simple
log!()macro with a serial backend for logging, but it lacks a logging level feature for better tracing. This PR proposes to add thelogcrate and introduce logging level. This will change the output format with a logging level prefix like[INFO].