diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/can/can-bus-dev.cpp | 5 | ||||
| -rw-r--r-- | src/can/can-bus-dev.hpp | 1 | ||||
| -rw-r--r-- | src/can/can-bus.cpp | 122 | ||||
| -rw-r--r-- | src/can/can-bus.hpp | 4 | ||||
| -rw-r--r-- | src/diagnostic/diagnostic-manager.cpp | 57 | ||||
| -rw-r--r-- | src/diagnostic/diagnostic-manager.hpp | 7 | ||||
| -rw-r--r-- | src/utils/openxc-utils.cpp | 72 | ||||
| -rw-r--r-- | src/utils/openxc-utils.hpp | 7 |
8 files changed, 224 insertions, 51 deletions
diff --git a/src/can/can-bus-dev.cpp b/src/can/can-bus-dev.cpp index 5c8673c8..a574b42d 100644 --- a/src/can/can-bus-dev.cpp +++ b/src/can/can-bus-dev.cpp @@ -42,6 +42,11 @@ std::string can_bus_dev_t::get_device_name() const return device_name_; } +uint32_t can_bus_dev_t::get_address() const +{ + return address_; +} + /// @brief Open the can socket and returning it /// @return -1 if something wrong. int can_bus_dev_t::open() diff --git a/src/can/can-bus-dev.hpp b/src/can/can-bus-dev.hpp index c0ef8daa..63e61631 100644 --- a/src/can/can-bus-dev.hpp +++ b/src/can/can-bus-dev.hpp @@ -49,6 +49,7 @@ public: can_bus_dev_t(const std::string& dev_name, int32_t address); std::string get_device_name() const; + uint32_t get_address() const; int open(); int close(); diff --git a/src/can/can-bus.cpp b/src/can/can-bus.cpp index 79fcd3fc..dfecea96 100644 --- a/src/can/can-bus.cpp +++ b/src/can/can-bus.cpp @@ -51,6 +51,87 @@ can_bus_t::can_bus_t(int conf_file) } +int can_bus_t::process_can_signals(can_message_t& can_message) +{ + int processed_signals = 0; + std::vector <can_signal_t*> signals; + openxc_DynamicField search_key, decoded_message; + openxc_VehicleMessage vehicle_message; + + /* First we have to found which can_signal_t it is */ + search_key = build_DynamicField((double)can_message.get_id()); + signals.clear(); + configuration_t::instance().find_can_signals(search_key, signals); + + /* Decoding the message ! Don't kill the messenger ! */ + for(auto& sig : signals) + { + std::lock_guard<std::mutex> subscribed_signals_lock(get_subscribed_signals_mutex()); + std::map<std::string, struct afb_event>& s = get_subscribed_signals(); + + /* DEBUG message to make easier debugger STL containers... + DEBUG(binder_interface, "Operator[] key char: %s, event valid? %d", sig.generic_name, afb_event_is_valid(s[sig.generic_name])); + DEBUG(binder_interface, "Operator[] key string: %s, event valid? %d", sig.generic_name, afb_event_is_valid(s[std::string(sig.generic_name)])); + DEBUG(binder_interface, "Nb elt matched char: %d", (int)s.count(sig.generic_name)); + DEBUG(binder_interface, "Nb elt matched string: %d", (int)s.count(std::string(sig.generic_name)));*/ + if( s.find(sig->get_name()) != s.end() && afb_event_is_valid(s[sig->get_name()])) + { + decoded_message = decoder_t::translateSignal(*sig, can_message, configuration_t::instance().get_can_signals()); + + openxc_SimpleMessage s_message = build_SimpleMessage(sig->get_generic_name(), decoded_message); + vehicle_message = build_VehicleMessage(s_message); + + std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_); + push_new_vehicle_message(vehicle_message); + new_decoded_can_message_.notify_one(); + processed_signals++; + } + } + + DEBUG(binder_interface, "process_can_signals: %d/%d CAN signals processed.", processed_signals, (int)signals.size()); + return processed_signals; +} + +int can_bus_t::process_diagnostic_signals(active_diagnostic_request_t* entry, const can_message_t& can_message) +{ + int processed_signals = 0; + openxc_VehicleMessage vehicle_message; + + diagnostic_manager_t& manager = configuration_t::instance().get_diagnostic_manager(); + + std::lock_guard<std::mutex> subscribed_signals_lock(get_subscribed_signals_mutex()); + std::map<std::string, struct afb_event>& s = get_subscribed_signals(); + + if( s.find(entry->get_name()) != s.end() && afb_event_is_valid(s[entry->get_name()])) + { + if(manager.get_can_bus_dev() == entry->get_can_bus_dev() && entry->get_in_flight()) + { + DiagnosticResponse response = diagnostic_receive_can_frame( + // TODO: openXC todo task: eek, is bus address and array index this tightly coupled? + &manager.get_shims(), + entry->get_handle(), can_message.get_id(), can_message.get_data(), can_message.get_length()); + if(response.completed && entry->get_handle()->completed) + { + if(entry->get_handle()->success) + { + vehicle_message = manager.relay_diagnostic_response(entry, response); + std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_); + push_new_vehicle_message(vehicle_message); + new_decoded_can_message_.notify_one(); + processed_signals++; + } + else + DEBUG(binder_interface, "Fatal error sending or receiving diagnostic request"); + } + else if(!response.completed && response.multi_frame) + // Reset the timeout clock while completing the multi-frame receive + entry->get_timeout_clock().tick(); + } + } + + return processed_signals; +} + /** * @brief thread to decoding raw CAN messages. * @@ -59,13 +140,15 @@ can_bus_t::can_bus_t(int conf_file) * subscription has been made. Can message will be decoded using translateSignal that will pass it to the * corresponding decoding function if there is one assigned for that signal. If not, it will be the default * noopDecoder function that will operate on it. +* +* Depending on the nature of message, if id match a diagnostic request corresponding id for a response +* then decoding a diagnostic message else use classic CAN signals decoding functions. +* +* TODO: make diagnostic messages parsing optionnal. */ void can_bus_t::can_decode_message() { can_message_t can_message; - std::vector <can_signal_t*> signals; - openxc_VehicleMessage vehicle_message; - openxc_DynamicField search_key, decoded_message; while(is_decoding_) { @@ -73,34 +156,11 @@ void can_bus_t::can_decode_message() new_can_message_cv_.wait(can_message_lock); can_message = next_can_message(); - /* First we have to found which can_signal_t it is */ - search_key = build_DynamicField((double)can_message.get_id()); - signals.clear(); - configuration_t::instance().find_can_signals(search_key, signals); - - /* Decoding the message ! Don't kill the messenger ! */ - for(auto& sig : signals) - { - std::lock_guard<std::mutex> subscribed_signals_lock(get_subscribed_signals_mutex()); - std::map<std::string, struct afb_event>& s = get_subscribed_signals(); - - /* DEBUG message to make easier debugger STL containers... - DEBUG(binder_interface, "Operator[] key char: %s, event valid? %d", sig.generic_name, afb_event_is_valid(s[sig.generic_name])); - DEBUG(binder_interface, "Operator[] key string: %s, event valid? %d", sig.generic_name, afb_event_is_valid(s[std::string(sig.generic_name)])); - DEBUG(binder_interface, "Nb elt matched char: %d", (int)s.count(sig.generic_name)); - DEBUG(binder_interface, "Nb elt matched string: %d", (int)s.count(std::string(sig.generic_name)));*/ - if( s.find(sig->get_name()) != s.end() && afb_event_is_valid(s[sig->get_name()])) - { - decoded_message = decoder_t::translateSignal(*sig, can_message, configuration_t::instance().get_can_signals()); - - openxc_SimpleMessage s_message = build_SimpleMessage(sig->get_generic_name(), decoded_message); - vehicle_message = build_VehicleMessage_with_SimpleMessage(openxc_DynamicField_Type::openxc_DynamicField_Type_NUM, s_message); - - std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_); - push_new_vehicle_message(vehicle_message); - new_decoded_can_message_.notify_one(); - } - } + active_diagnostic_request_t* adr = configuration_t::instance().get_diagnostic_manager().is_diagnostic_response(can_message); + if(adr != nullptr) + process_diagnostic_signals(adr, can_message); + else + process_can_signals(can_message); } } diff --git a/src/can/can-bus.hpp b/src/can/can-bus.hpp index a001d1ef..b4f1a3ee 100644 --- a/src/can/can-bus.hpp +++ b/src/can/can-bus.hpp @@ -29,6 +29,7 @@ #include "can-signals.hpp" #include "can-message.hpp" #include "can-bus-dev.hpp" +#include "../obd2/active-diagnostic-request.hpp" #include "../low-can-binding.hpp" @@ -79,6 +80,9 @@ public: void start_threads(); void stop_threads(); + int process_can_signals(can_message_t& can_message); + int process_diagnostic_signals(active_diagnostic_request_t* adr, const can_message_t& can_message); + can_message_t next_can_message(); void push_new_can_message(const can_message_t& can_msg); std::mutex& get_can_message_mutex(); diff --git a/src/diagnostic/diagnostic-manager.cpp b/src/diagnostic/diagnostic-manager.cpp index 6867ec39..c27c2b1f 100644 --- a/src/diagnostic/diagnostic-manager.cpp +++ b/src/diagnostic/diagnostic-manager.cpp @@ -20,6 +20,7 @@ #include "diagnostic-manager.hpp" #include "uds/uds.h" +#include "../utils/openxc-utils.hpp" #include "../configuration.hpp" #define MAX_RECURRING_DIAGNOSTIC_FREQUENCY_HZ 10 @@ -259,6 +260,62 @@ bool diagnostic_manager_t::add_recurring_request(DiagnosticRequest* request, con return added; } +bool diagnostic_manager_t::is_diagnostic_response(const active_diagnostic_request_t& adr, const can_message_t& cm) const +{ + if(cm.get_id() == adr.get_id() + DIAGNOSTIC_RESPONSE_ARBITRATION_ID_OFFSET) + return true; + DEBUG(binder_interface, "Doesn't find an active diagnostic request that matches."); + return false; +} + +active_diagnostic_request_t* diagnostic_manager_t::is_diagnostic_response(const can_message_t& can_message) +{ + for (auto& entry : non_recurring_requests_) + { + if(is_diagnostic_response(*entry, can_message)) + return entry; + } + + for (auto& entry : recurring_requests_) + { + if(is_diagnostic_response(*entry, can_message)) + return entry; + } + return nullptr; +} + +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 && diff --git a/src/diagnostic/diagnostic-manager.hpp b/src/diagnostic/diagnostic-manager.hpp index 29223fa0..061f5f9c 100644 --- a/src/diagnostic/diagnostic-manager.hpp +++ b/src/diagnostic/diagnostic-manager.hpp @@ -22,6 +22,7 @@ #include <vector> #include "uds/uds.h" +#include "openxc.pb.h" #include "../can/can-bus-dev.hpp" #include "../can/can-message.hpp" #include "active-diagnostic-request.hpp" @@ -32,6 +33,7 @@ * match the maximum CAN controller count. */ #define MAX_SHIM_COUNT can_bus_t.get_can_devices().size() +#define DIAGNOSTIC_RESPONSE_ARBITRATION_ID_OFFSET 0x8 class active_diagnostic_request_t; @@ -95,6 +97,11 @@ public: bool waitForMultipleResponses, const DiagnosticResponseDecoder decoder, const DiagnosticResponseCallback callback, float frequencyHz); + bool is_diagnostic_response(const active_diagnostic_request_t& adr, const can_message_t& cm) const; + active_diagnostic_request_t* is_diagnostic_response(const can_message_t& can_message); + + openxc_VehicleMessage relay_diagnostic_response(active_diagnostic_request_t* adr, const DiagnosticResponse& response) const; + bool conflicting(active_diagnostic_request_t* request, active_diagnostic_request_t* candidate) const; bool clear_to_send(active_diagnostic_request_t* request) const; static int send_request(sd_event_source *s, uint64_t usec, void *userdata); diff --git a/src/utils/openxc-utils.cpp b/src/utils/openxc-utils.cpp index 40745a06..34fe7f01 100644 --- a/src/utils/openxc-utils.cpp +++ b/src/utils/openxc-utils.cpp @@ -18,32 +18,72 @@ #include "openxc-utils.hpp" -openxc_VehicleMessage build_VehicleMessage_with_SimpleMessage(openxc_DynamicField_Type type, const openxc_SimpleMessage& message) +#include "../configuration.hpp" + +openxc_VehicleMessage build_VehicleMessage(active_diagnostic_request_t* request, const DiagnosticResponse& response, float parsed_value) { - struct timeb t_msec; - long long int timestamp_msec; - - openxc_VehicleMessage v; - - if(!::ftime(&t_msec)) + openxc_VehicleMessage message; + + message.has_type = true; + message.type = openxc_VehicleMessage_Type::openxc_VehicleMessage_Type_DIAGNOSTIC; + message.has_diagnostic_response = true; + message.diagnostic_response.has_bus = true; + message.diagnostic_response.bus = configuration_t::instance().get_diagnostic_manager().get_can_bus_dev()->get_address(); + message.diagnostic_response.has_message_id = true; + + if(request->get_id() != OBD2_FUNCTIONAL_BROADCAST_ID) + { + message.diagnostic_response.message_id = response.arbitration_id + - DIAGNOSTIC_RESPONSE_ARBITRATION_ID_OFFSET; + } + else { - timestamp_msec = ((long long int) t_msec.time) * 1000ll + - (long long int) t_msec.millitm; + // must preserve responding arb ID for responses to functional broadcast + // requests, as they are the actual module address and not just arb ID + + // 8. + message.diagnostic_response.message_id = response.arbitration_id; + } - v.has_type = true; - v.type = openxc_VehicleMessage_Type::openxc_VehicleMessage_Type_SIMPLE; - v.has_simple_message = true; - v.simple_message = message; - v.has_timestamp = true; - v.timestamp = timestamp_msec; + message.diagnostic_response.has_mode = true; + message.diagnostic_response.mode = response.mode; + message.diagnostic_response.has_pid = response.has_pid; + if(message.diagnostic_response.has_pid) + message.diagnostic_response.pid = response.pid; + message.diagnostic_response.has_success = true; + message.diagnostic_response.success = response.success; + message.diagnostic_response.has_negative_response_code = !response.success; + message.diagnostic_response.negative_response_code = + response.negative_response_code; - return v; + if(response.payload_length > 0) + { + if(request->get_decoder() != nullptr) + { + message.diagnostic_response.has_value = true; + message.diagnostic_response.value = parsed_value; + } + else + { + message.diagnostic_response.has_payload = true; + ::memcpy(message.diagnostic_response.payload.bytes, response.payload, + response.payload_length); + message.diagnostic_response.payload.size = response.payload_length; + } } + return message; +} + +openxc_VehicleMessage build_VehicleMessage(const openxc_SimpleMessage& message) +{ + openxc_VehicleMessage v; + v.has_type = true, v.type = openxc_VehicleMessage_Type::openxc_VehicleMessage_Type_SIMPLE; v.has_simple_message = true; v.simple_message = message; + v.has_timestamp = true; + v.timestamp = system_time_ms(); return v; } diff --git a/src/utils/openxc-utils.hpp b/src/utils/openxc-utils.hpp index 3a4883e0..f837ab1f 100644 --- a/src/utils/openxc-utils.hpp +++ b/src/utils/openxc-utils.hpp @@ -23,19 +23,18 @@ #include <sys/timeb.h> #include "openxc.pb.h" +#include "../obd2/active-diagnostic-request.hpp" /** - * @fn openxc_VehicleMessage build_VehicleMessage_with_SimpleMessage(openxc_DynamicField_Type type, const openxc_SimpleMessage& message); - * * @brief Build a specific VehicleMessage containing a SimpleMessage. * - * @param[in] type - The type of message to build * @param[in] message - simple message to include into openxc_VehicleMessage * * @return a vehicle message including simple message that will be convert into * a JSON object before being pushed to the subscribers */ -openxc_VehicleMessage build_VehicleMessage_with_SimpleMessage(openxc_DynamicField_Type type, const openxc_SimpleMessage& message); +openxc_VehicleMessage build_VehicleMessage(active_diagnostic_request_t* request, const DiagnosticResponse& response, float parsed_value); +openxc_VehicleMessage build_VehicleMessage(const openxc_SimpleMessage& message); /** * @fn openxc_SimpleMessage build_SimpleMessage(const std::string& name, const openxc_DynamicField& value); |