diff options
Diffstat (limited to 'src/diagnostic/diagnostic-manager.cpp')
| -rw-r--r-- | src/diagnostic/diagnostic-manager.cpp | 116 |
1 files changed, 84 insertions, 32 deletions
diff --git a/src/diagnostic/diagnostic-manager.cpp b/src/diagnostic/diagnostic-manager.cpp index 31eed0e2..31fbf0b0 100644 --- a/src/diagnostic/diagnostic-manager.cpp +++ b/src/diagnostic/diagnostic-manager.cpp @@ -255,38 +255,6 @@ bool diagnostic_manager_t::add_recurring_request(DiagnosticRequest* request, con } -openxc_VehicleMessage diagnostic_manager_t::relay_diagnostic_response(active_diagnostic_request_t* adr, const DiagnosticResponse& response) const -{ - openxc_VehicleMessage message; - float value = (float)diagnostic_payload_to_integer(&response); - if(adr->get_decoder() != nullptr) - { - value = adr->get_decoder()(&response, value); - } - - if((response.success && strnlen(adr->get_name().c_str(), adr->get_name().size())) > 0) - { - // If name, include 'value' instead of payload, and leave of response - // details. - message = build_VehicleMessage(build_SimpleMessage(adr->get_name(), build_DynamicField(value))); - } - else - { - // If no name, send full details of response but still include 'value' - // instead of 'payload' if they provided a decoder. The one case you - // can't get is the full detailed response with 'value'. We could add - // another parameter for that but it's onerous to carry that around. - message = build_VehicleMessage(adr, response, value); - } - - if(adr->get_callback() != nullptr) - { - adr->get_callback()(adr, &response, value); - } - - return message; -} - bool diagnostic_manager_t::conflicting(active_diagnostic_request_t* request, active_diagnostic_request_t* candidate) const { return (candidate->get_in_flight() && candidate != request && @@ -346,6 +314,90 @@ int diagnostic_manager_t::send_request(sd_event_source *s, uint64_t usec, void * return -1; } +openxc_VehicleMessage diagnostic_manager_t::relay_diagnostic_response(active_diagnostic_request_t* adr, const DiagnosticResponse& response) const +{ + openxc_VehicleMessage message = build_VehicleMessage(); + float value = (float)diagnostic_payload_to_integer(&response); + if(adr->get_decoder() != nullptr) + { + value = adr->get_decoder()(&response, value); + } + + if((response.success && strnlen(adr->get_name().c_str(), adr->get_name().size())) > 0) + { + // If name, include 'value' instead of payload, and leave of response + // details. + message = build_VehicleMessage(build_SimpleMessage(adr->get_name(), build_DynamicField(value))); + } + else + { + // If no name, send full details of response but still include 'value' + // instead of 'payload' if they provided a decoder. The one case you + // can't get is the full detailed response with 'value'. We could add + // another parameter for that but it's onerous to carry that around. + message = build_VehicleMessage(adr, response, value); + } + + if(adr->get_callback() != nullptr) + { + adr->get_callback()(adr, &response, value); + } + + return message; +} + +/// @brief Will take the CAN message and pass it to the receive functions that will process +/// diagnostic handle for each active diagnostic request then depending on the result we will +/// return pass the diagnostic response to decode it. +/// +/// @param[in] entry - A pointer to an active diagnostic request holding a valid diagnostic handle +/// @param[in] cm - A raw CAN message. +/// +/// @return A pointer to a filled openxc_VehicleMessage or a nullptr if nothing has been found. +openxc_VehicleMessage diagnostic_manager_t::relay_diagnostic_handle(active_diagnostic_request_t* entry, const can_message_t& cm) +{ + DiagnosticResponse response = diagnostic_receive_can_frame(&shims_, entry->get_handle(), cm.get_id(), cm.get_data(), cm.get_length()); + if(response.completed && entry->get_handle()->completed) + { + if(entry->get_handle()->success) + return relay_diagnostic_response(entry, response); + } + else if(!response.completed && response.multi_frame) + { + // Reset the timeout clock while completing the multi-frame receive + entry->get_timeout_clock().tick(); + } + + return build_VehicleMessage(); +} + +/// @brief Find the active diagnostic request with the correct DiagnosticRequestHandle +/// member that will understand the CAN message using diagnostic_receive_can_frame function +/// from UDS-C library. Then decode it with an ad-hoc method. +/// +/// @param[in] cm - Raw CAN message received +/// +/// @return VehicleMessage with decoded value. +openxc_VehicleMessage diagnostic_manager_t::find_and_decode_adr(const can_message_t& cm) +{ + openxc_VehicleMessage vehicle_message = build_VehicleMessage(); + + for ( auto entry : non_recurring_requests_) + { + vehicle_message = relay_diagnostic_handle(entry, cm); + if (is_valid(vehicle_message)) + return vehicle_message; + } + + for ( auto entry : recurring_requests_) + { + vehicle_message = relay_diagnostic_handle(entry, cm); + if (is_valid(vehicle_message)) + return vehicle_message; + } + + return vehicle_message; +} /// @brief Tell if the CAN message received is a diagnostic response. /// Request broadcast ID use 0x7DF and assigned ID goes from 0x7E0 to Ox7E7. That allows up to 8 ECU to respond |