mirror of https://github.com/m-labs/artiq
14 lines
390 B
Rust
14 lines
390 B
Rust
use core::{ptr, cmp, str};
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use csr;
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pub fn read(buf: &mut [u8]) -> &str {
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unsafe {
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let len = ptr::read_volatile(csr::IDENTIFIER_MEM_BASE);
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let len = cmp::min(len as usize, buf.len());
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for i in 0..len {
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buf[i] = ptr::read_volatile(csr::IDENTIFIER_MEM_BASE.offset(1 + i as isize)) as u8
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}
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str::from_utf8_unchecked(&buf[..len])
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}
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}
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