diff options
Diffstat (limited to 'src/obd2-signals.cpp')
| -rw-r--r-- | src/obd2-signals.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/obd2-signals.cpp b/src/obd2-signals.cpp index 69db5e2..1a562d0 100644 --- a/src/obd2-signals.cpp +++ b/src/obd2-signals.cpp @@ -102,6 +102,45 @@ void shims_timer() { } +bool is_obd2_response(can_message_t can_message) +{ + if(can_message.get_id() >= 0x7E8 && can_message.get_id() <= 0x7EF) + { + openxc_VehicleMessage message = {0}; + message.has_type = true; + message.type = openxc_VehicleMessage_Type_DIAGNOSTIC; + message.has_diagnostic_response = true; + message.diagnostic_response = {0}; + message.diagnostic_response.has_bus = true; + message.diagnostic_response.bus = bus->address; + message.diagnostic_response.has_message_id = true; + //7DF should respond with a random message id between 7e8 and 7ef + //7E0 through 7E7 should respond with a id that is 8 higher (7E0->7E8) + if(commandRequest->message_id == 0x7DF) + { + message.diagnostic_response.message_id = rand()%(0x7EF-0x7E8 + 1) + 0x7E8; + } + else if(commandRequest->message_id >= 0x7E0 && commandRequest->message_id <= 0x7E7) + { + message.diagnostic_response.message_id = commandRequest->message_id + 8; + } + message.diagnostic_response.has_mode = true; + message.diagnostic_response.mode = commandRequest->mode; + if(commandRequest->has_pid) + { + message.diagnostic_response.has_pid = true; + message.diagnostic_response.pid = commandRequest->pid; + } + message.diagnostic_response.has_value = true; + message.diagnostic_response.value = rand() % 100; + pipeline::publish(&message, &getConfiguration()->pipeline); + } + else //If it's outside the range, the command_request will return false + { + debug("Sent message ID is outside the valid range for emulator (7DF to 7E7)"); + status=false; +}; + /* * Will scan for supported Obd2 pids * |