CAN peripheral support

scripts/can-clk-calc/.gitignore

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+/target

scripts/can-clk-calc/Cargo.toml

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+[workspace]
+
+[package]
+name = "can-clk-calc"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+va416xx-hal = { path = "../../va416xx-hal", features = ["alloc", "revb"], default-features = false }

scripts/can-clk-calc/src/main.rs

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+use va416xx_hal::can::calculate_all_viable_clock_configs;
+use va416xx_hal::time::Hertz;
+
+fn main() {
+    let cfgs = calculate_all_viable_clock_configs(
+        Hertz::from_raw(20_000_000),
+        Hertz::from_raw(250_000),
+        0.75,
+    )
+    .unwrap();
+    for cfg in &cfgs {
+        println!("Config: {:#?}", cfg);
+    }
+}