feat: try to integrate algorithms into the stm32 main code to calc crc's

Cargo.lock

@@ -11,6 +11,14 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "algorithms"
+version = "0.1.0"
+dependencies = [
+ "criterion",
+ "iai",
+]
+
 [[package]]
 name = "as-slice"
 version = "0.2.1"
@@ -52,14 +60,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8fe8f5a8a398345e52358e18ff07cc17a568fbca5c6f73873d3a62056309603"
 
-[[package]]
-name = "benches"
-version = "0.1.0"
-dependencies = [
- "criterion",
- "iai",
-]
-
 [[package]]
 name = "bitfield"
 version = "0.13.2"
@@ -396,6 +396,7 @@ checksum = "8d5439c4ad607c3c23abf66de8c8bf57ba8adcd1f129e699851a6e43935d339d"
 name = "nucleo-l053r8-benches"
 version = "0.1.0"
 dependencies = [
+ "algorithms",
  "cortex-m",
  "cortex-m-rt",
  "defmt 1.0.1",

Cargo.toml

@@ -14,6 +14,7 @@ cortex-m-rt = "0.7.5"
 defmt = { version = "1.0.1" }
 defmt-rtt = { version = "1.0.0" }
 panic-probe = { version = "0.3", features = ["print-defmt"] }
+algorithms = { path = "./crates/algorithms" }
 
 [features]
 default = ["buildscript"]

crates/algorithms/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "benches"
+name = "algorithms"
 version = "0.1.0"
 edition = "2024"
 

src/main.rs

@@ -1,6 +1,8 @@
 #![no_main]
 #![no_std]
 
+use algorithms::crc::{Crc, Crc32 as Crc32Rust, ffi::Crc32 as Crc32C};
+
 use defmt::{debug, error, info, println, trace, warn};
 use panic_probe as _;
 
@@ -16,6 +18,8 @@ fn panic() -> ! {
     cortex_m::asm::udf()
 }
 
+const DATA: &[u8] = b"hello world AAAAAAAAAAAAAAAAAAAAAAA";
+
 #[entry]
 fn main() -> ! {
     let dp = pac::Peripherals::take().unwrap();
@@ -34,6 +38,8 @@ fn main() -> ! {
     // Get the delay provider.
     let mut delay = cp.SYST.delay(rcc.clocks);
 
+    let mut crc;
+
     #[allow(clippy::never_loop)]
     loop {
         println!("Hello World!");
@@ -46,6 +52,11 @@ fn main() -> ! {
         led.set_high().unwrap();
         delay.delay_ms(500_u16);
 
+        crc = Crc32Rust::checksum(DATA);
+        info!("CRC (Rust): {:08x}", crc);
+        crc = Crc32C::checksum(DATA);
+        info!("CRC (C)   : {:08x}", crc);
+
         led.set_low().unwrap();
         delay.delay_ms(500_u16);
     }