diff options
Diffstat (limited to 'src/low-can-binding.cpp')
| -rw-r--r-- | src/low-can-binding.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/low-can-binding.cpp b/src/low-can-binding.cpp index 8ea885d1..08301933 100644 --- a/src/low-can-binding.cpp +++ b/src/low-can-binding.cpp @@ -133,7 +133,12 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, std::vector<diagnostic_message_t*> found; configuration_t::instance().find_diagnostic_messages(build_DynamicField(sig), found); DiagnosticRequest* diag_req = new DiagnosticRequest(found.front()->build_diagnostic_request()); - + + // If the requested diagnostic message isn't supported by the car then unssubcribe. + // no matter what we want, worse case will be a fail unsubscription but at least we don't + // poll a PID for nothing. + if(found.front()->get_supported()) + subscribe = false; if(subscribe) { float frequency = found.front()->get_frequency(); |