1 files changed, 0 insertions, 88 deletions
diff --git a/nitrocli/src/crc32.rs b/nitrocli/src/crc32.rs
deleted file mode 100644
index 8b85b49..0000000
--- a/nitrocli/src/crc32.rs
+++ /dev/null
@@ -1,88 +0,0 @@
-// crc32.rs
-
-// *************************************************************************
-// * Copyright (C) 2017-2018 Daniel Mueller (deso@posteo.net)              *
-// *                                                                       *
-// * This program is free software: you can redistribute it and/or modify  *
-// * it under the terms of the GNU General Public License as published by  *
-// * the Free Software Foundation, either version 3 of the License, or     *
-// * (at your option) any later version.                                   *
-// *                                                                       *
-// * This program is distributed in the hope that it will be useful,       *
-// * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
-// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
-// * GNU General Public License for more details.                          *
-// *                                                                       *
-// * You should have received a copy of the GNU General Public License     *
-// * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
-// *************************************************************************
-
-/// Polynomial used in STM32.
-const CRC32_POLYNOMIAL: u32 = 0x04c1_1db7;
-
-
-fn crc32(mut crc: u32, data: u32) -> u32 {
-  crc ^= data;
-
-  for _ in 0..32 {
-    if crc & 0x8000_0000 != 0 {
-      crc = (crc << 1) ^ CRC32_POLYNOMIAL;
-    } else {
-      crc <<= 1;
-    }
-  }
-  crc
-}
-
-
-/// Retrieve a u32 slice of the 'data' part.
-///
-/// Note that the size of the supplied data has to be a multiple of 4
-/// bytes.
-fn as_slice_u32(data: &[u8]) -> &[u32] {
-  assert!(data.len() % ::std::mem::size_of::<u32>() == 0);
-
-  unsafe {
-    let ptr = data.as_ptr() as *const u32;
-    let len = data.len() / ::std::mem::size_of::<u32>();
-    ::std::slice::from_raw_parts(ptr, len)
-  }
-}
-
-
-/// Calculate the CRC of a byte slice.
-pub fn crc(data: &[u8]) -> u32 {
-  let mut crc = 0xffff_ffff;
-  let data = as_slice_u32(data);
-
-  for byte in data {
-    crc = crc32(crc, *byte);
-  }
-  crc
-}
-
-
-#[cfg(test)]
-mod tests {
-  use super::*;
-
-  #[test]
-  fn test_crc32() {
-    let mut crc = 0;
-
-    // The expected values were computed with the original function.
-    crc = crc32(crc, 0xdeadbeef);
-    assert_eq!(crc, 0x46dec763);
-
-    crc = crc32(crc, 42);
-    assert_eq!(crc, 0x7e579b45);
-  }
-
-  #[test]
-  fn test_crc() {
-    let data = &"thisisatextthatistobecrced..".to_string().into_bytes();
-    let crc = crc(data);
-
-    assert_eq!(crc, 0x469db4ee);
-  }
-}