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Add feature defmt-timestamp-uptime

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Enabling it adds a timestamp of the number of seconds since startup next
to defmt log messages using `Instant::now`.
This commit is contained in:
Daniel Franklin 2022-02-11 18:45:23 -07:00
parent f2eb438905
commit 4c5f5f7169
2 changed files with 8 additions and 0 deletions
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4
embassy/Cargo.toml
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@ -17,6 +17,10 @@ nightly = ["embedded-hal-async"]
# Implement embedded-hal-async traits if `nightly` is set as well.
unstable-traits = ["embedded-hal-1"]
# Display a timestamp of the number of seconds since startup next to defmt log messages
# To use this you must have a time driver provided.
defmt-timestamp-uptime = ["defmt"]
# Enable `embassy::time` module.
# NOTE: This feature is only intended to be enabled by crates providing the time driver implementation.
# Enabling it directly without supplying a time driver will fail to link.

4
embassy/src/fmt.rs
View File

@ -195,6 +195,10 @@ macro_rules! unwrap {
}
}
#[cfg(feature = "defmt-timestamp-uptime")]
// defmt offers a disply hint for microseconds so we convert from millis
defmt::timestamp! {"{=u64:us}", crate::time::Instant::now().as_millis() * 1_000 }
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct NoneError;