boardd: don't multiplex OBD port on external pandas (#26062)

don't multiplex on ext pandas old-commit-hash: bf5f9adcc8
3 years ago · 2c335e4abf
parent 49c982cba5
commit 2c335e4abf
1 changed files with 3 additions and 2 deletions
--- a/selfdrive/boardd/boardd.cc
+++ b/selfdrive/boardd/boardd.cc
@ -113,8 +113,9 @@ bool safety_setter_thread(std::vector<Panda *> pandas) {
  }

  // set to ELM327 for fingerprinting
-  for (Panda *panda : pandas) {
-    panda->set_safety_model(cereal::CarParams::SafetyModel::ELM327);
+  for (int i = 0; i < pandas.size(); i++) {
+    const uint16_t safety_param = (i > 0) ? 1U : 0U;
+    pandas[i]->set_safety_model(cereal::CarParams::SafetyModel::ELM327, safety_param);
  }

  Params p = Params();