Use register properties to determine bit_size

Author: yodaldevoid

Cargo.toml

@@ -15,4 +15,4 @@ anyhow = "1.0.75"
 regex = "1.9.5"
 serde = { version = "1.0.188", features = [ "derive" ]}
 serde_yaml = "0.9.25"
-svd-parser = { version = "0.14.2", features = ["derive-from"] }
+svd-parser = { version = "0.14.2", features = ["derive-from", "expand"] }

src/main.rs

@@ -146,7 +146,8 @@ fn load_svd(path: &str) -> Result<svd_parser::svd::Device> {
         .read_to_string(xml)
         .context("Cannot read the SVD file")?;
 
-    let device = svd_parser::parse(xml)?;
+    let device =
+        svd_parser::parse_with_config(xml, &svd_parser::Config::default().expand_properties(true))?;
     Ok(device)
 }
 

src/svd2ir.rs

@@ -53,7 +53,7 @@ pub fn convert_peripheral(ir: &mut IR, p: &svd::Peripheral) -> anyhow::Result<()
                     fieldsets.push(ProtoFieldset {
                         name: fieldset_name.clone(),
                         description: r.description.clone(),
-                        bit_size: 32, // todo
+                        bit_size: r.properties.size.unwrap_or(32),
                         fields: fields.clone(),
                     });