1 // Copyright 2025 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #![no_std] 16 17 #[doc(hidden)] 18 pub mod __private { 19 pub use pw_log_backend_macro::{_pw_log_backend, _pw_logf_backend}; 20 21 pub use console; 22 pub use embedded_io; 23 use pw_log_backend_api::LogLevel; 24 log_level_tag(level: LogLevel) -> &'static str25 pub const fn log_level_tag(level: LogLevel) -> &'static str { 26 match level { 27 LogLevel::Debug => "DBG", 28 LogLevel::Info => "INF", 29 LogLevel::Warn => "WRN", 30 LogLevel::Error => "ERR", 31 LogLevel::Critical => "CRT", 32 LogLevel::Fatal => "FTL", 33 } 34 } 35 } 36 37 // Implement the `pw_log` backend API. 38 #[macro_export] 39 macro_rules! pw_log_backend { 40 ($log_level:expr, $format_string:literal $(, $args:expr)* $(,)?) => {{ 41 use $crate::__private as __pw_log_backend_crate; 42 $crate::__private::_pw_log_backend!($log_level, $format_string, $($args),*); 43 }}; 44 } 45 46 #[macro_export] 47 macro_rules! pw_logf_backend { 48 ($log_level:expr, $format_string:literal $(, $args:expr)* $(,)?) => {{ 49 use $crate::__private as __pw_log_backend_crate; 50 $crate::__private::_pw_logf_backend!($log_level, $format_string, $($args),*); 51 }}; 52 } 53