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defmt-itm: Raise compile error on armv6m #368

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Feb 10, 2021
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defmt-itm: Raise compile error on armv6m #368

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`firmware/defmt-itm`: Raise compile error on `armv6m`
Urhengulas Feb 7, 2021
6123072
Update firmware/defmt-itm/src/lib.rs
Feb 10, 2021
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3 changes: 3 additions & 0 deletions firmware/defmt-itm/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,9 @@ use core::{

use cortex_m::{interrupt, itm, peripheral::ITM, register};

#[cfg(armv6m)]
compile_error!("`defmt-itm` cannot be used on Cortex-M0(+) chips, because it requires an ITM peripheral");

static ENABLED: AtomicBool = AtomicBool::new(false);

/// Enables defmt logging over the ITM stimulus port 0.
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