[nrf fromlist] scripts: runners: nrf: Check device family

This patch makes the nrfjprog runner check the device family
before flashing. Otherwise, it is very easy to break some devices
that have multiple different chips.

(cherry picked from commit e0aa35d74a5aaa6b2fa9f684385c8e8fcda2ad30)
Signed-off-by: Maximilian Deubel <[email protected]>

scripts/west_commands/runners/nrfjprog.py

@@ -95,6 +95,17 @@ def do_exec_op(self, op, force=False):
         else:
             raise RuntimeError(f'Invalid operation: {op_type}')
 
+        # Make sure the device is in the expected family
+        try:
+            output = self.check_output(['nrfjprog', '--deviceversion', '--snr', self.dev_id])
+            if families[self.family] not in output.decode("ASCII"):
+                raise RuntimeError(f'Family mismatch: {families[self.family]} expected, but got {output.decode("ASCII")}')
+        except subprocess.CalledProcessError as cpe:
+            if cpe.returncode == UnavailableOperationBecauseProtectionError:
+                cpe.returncode = ErrNotAvailableBecauseProtection
+            raise cpe
+
+        # Execute the flash command
         try:
             self.check_call(cmd + ['-f', families[self.family]] + core_opt +
                             ['--snr', self.dev_id] + self.tool_opt)