check only when in same peripheral

Author: burrbull

src/patch/device.rs

@@ -297,8 +297,11 @@ impl DeviceExt for Device {
         } else {
             return Err(anyhow!("derive: incorrect syntax for {}", pname));
         };
-        self.get_peripheral(pderive)
-            .ok_or_else(|| anyhow!("peripheral {} not found", pderive))?;
+
+        if !pderive.contains('.') {
+            self.get_peripheral(pderive)
+                .ok_or_else(|| anyhow!("peripheral {} not found", pderive))?;
+        }
 
         match self.get_mut_peripheral(pname) {
             Some(peripheral) => peripheral.modify_from(info, VAL_LVL)?,

src/patch/peripheral.rs

@@ -377,6 +377,7 @@ impl PeripheralExt for Peripheral {
         } else {
             return Err(anyhow!("derive: incorrect syntax for {}", rname));
         };
+
         self.get_register(rderive)
             .ok_or_else(|| anyhow!("register {} not found", rderive))?;
 

svdtools/patch.py

@@ -526,7 +526,7 @@ def derive_peripheral(self, pname, pmod):
             raise SvdPatchError("derive: incorrect syntax for {}".format(pname))
         ptag = parent.find("./peripheral[name='{}']".format(pname))
         derived = parent.find("./peripheral[name='{}']".format(pderive))
-        if derived is None:
+        if (not ("." in pderive)) and (derived is None):
             raise SvdPatchError("peripheral {} not found".format(pderive))
         if ptag is None:
             ptag = ET.SubElement(parent, "register")