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 #![no_std] 15 16 use cortex_m_semihosting::hio::hstdout; 17 use pw_status::{Error, Result}; 18 19 #[no_mangle] console_backend_write(buf: &[u8]) -> Result<usize>20pub fn console_backend_write(buf: &[u8]) -> Result<usize> { 21 let mut stdout = hstdout().map_err(|_| Error::Unavailable)?; 22 stdout.write_all(buf).map_err(|_| Error::DataLoss)?; 23 Ok(buf.len()) 24 } 25 26 #[no_mangle] console_backend_flush() -> Result<()>27pub fn console_backend_flush() -> Result<()> { 28 Ok(()) 29 } 30