diff options
Diffstat (limited to 'src/diagnostic')
| -rw-r--r-- | src/diagnostic/active-diagnostic-request.cpp | 49 | ||||
| -rw-r--r-- | src/diagnostic/active-diagnostic-request.hpp | 51 | ||||
| -rw-r--r-- | src/diagnostic/diagnostic-manager.cpp | 4 | ||||
| -rw-r--r-- | src/diagnostic/diagnostic-manager.hpp | 24 |
4 files changed, 92 insertions, 36 deletions
diff --git a/src/diagnostic/active-diagnostic-request.cpp b/src/diagnostic/active-diagnostic-request.cpp new file mode 100644 index 00000000..96e4b3ab --- /dev/null +++ b/src/diagnostic/active-diagnostic-request.cpp @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2015, 2016 "IoT.bzh" + * Author "Romain Forlot" <romain.forlot@iot.bzh> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +active_diagnostic_request_t::active_diagnostic_request_t() + : can_bus_dev_{nullptr}, uint32_t id_{0}, DiagnosticRequestHandle{nullptr}, name_{""}, + decoder_{nullptr}, callback_{nullptr}, reccuring_{false}, wait_for_multiple_responses_{false}, + in_flight_{false}, frequency_clock_{frequency_clock_t()}, timeout_clock_{frequency_clock_t()} +{} + +void updateDiagnosticRequestEntry(CanBus* bus, DiagnosticRequest* request, + const char* name, bool waitForMultipleResponses, + const DiagnosticResponseDecoder decoder, + const DiagnosticResponseCallback callback, float frequencyHz) +{ + entry->bus = bus; + entry->arbitration_id = request->arbitration_id; + entry->handle = generate_diagnostic_request( + &manager->shims[bus->address - 1], request, NULL); + if(name != NULL) { + strncpy(entry->name, name, MAX_GENERIC_NAME_LENGTH); + } else { + entry->name[0] = '\0'; + } + entry->waitForMultipleResponses = waitForMultipleResponses; + + entry->decoder = decoder; + entry->callback = callback; + entry->recurring = frequencyHz != 0; + entry->frequencyClock = {0}; + entry->frequencyClock.frequency = entry->recurring ? frequencyHz : 0; + // time out after 100ms + entry->timeoutClock = {0}; + entry->timeoutClock.frequency = 10; + entry->inFlight = false; + }
\ No newline at end of file diff --git a/src/diagnostic/active-diagnostic-request.hpp b/src/diagnostic/active-diagnostic-request.hpp index 0a64f7c9..28506632 100644 --- a/src/diagnostic/active-diagnostic-request.hpp +++ b/src/diagnostic/active-diagnostic-request.hpp @@ -55,27 +55,32 @@ typedef void (*DiagnosticResponseCallback)(const active_diagnostic_request_t* re * @brief An active diagnostic request, either recurring or one-time. */ class active_diagnostic_request_t { - private: - can_bus_dev_t* bus_; /*!< bus_ - The CAN bus this request should be made on, or is currently in flight-on*/ - uint32_t id_; /*!< id_ - The arbitration ID (aka message ID) for the request.*/ - DiagnosticRequestHandle* handle_; /*!< handle_ - A handle for the request to keep track of it between - * sending the frames of the request and receiving all frames of the response.*/ - std::string name_; /*!< name_ - An optional human readable name this response, to be used when publishing received - * responses. If the name is NULL, the published output will use the raw OBD-II response format.*/ - DiagnosticResponseDecoder decoder_; /*!< decoder_ - An optional DiagnosticResponseDecoder to parse the payload of responses - * to this request. If the decoder is NULL, the output will include the raw payload - * instead of a parsed value.*/ - DiagnosticResponseCallback callback_; /*!< callback_ - An optional DiagnosticResponseCallback to be notified whenever a - * response is received for this request.*/ - bool recurring_; /*!< bool recurring_ - If true, this is a recurring request and it will remain as active until explicitly cancelled. - * The frequencyClock attribute controls how often a recurrin request is made.*/ - bool waitForMultipleResponses_; /*!< waitForMultipleResponses_ - False by default, when any response is received for a request - * it will be removed from the active list. If true, the request will remain active until the timeout - * clock expires, to allow it to receive multiple response (e.g. to a functional broadcast request).*/ - bool inFlight_; /*!< inFlight_ - True if the request has been sent and we are waiting for a response.*/ - FrequencyClock frequency_clock_; /*!< frequency_clock_ - A FrequencyClock object to control the send rate for a - * recurring request. If the request is not reecurring, this attribute is not used.*/ - FrequencyClock timeout_clock_; /*!< timeout_clock_ - A FrequencyClock object to monitor how long it's been since - * this request was sent.*/ - public: +private: + can_bus_dev_t* bus_; /*!< bus_ - The CAN bus this request should be made on, or is currently in flight-on*/ + uint32_t id_; /*!< id_ - The arbitration ID (aka message ID) for the request.*/ + DiagnosticRequestHandle* handle_; /*!< handle_ - A handle for the request to keep track of it between + * sending the frames of the request and receiving all frames of the response.*/ + std::string name_; /*!< name_ - An optional human readable name this response, to be used when publishing received + * responses. If the name is NULL, the published output will use the raw OBD-II response format.*/ + DiagnosticResponseDecoder decoder_; /*!< decoder_ - An optional DiagnosticResponseDecoder to parse the payload of responses + * to this request. If the decoder is NULL, the output will include the raw payload + * instead of a parsed value.*/ + DiagnosticResponseCallback callback_; /*!< callback_ - An optional DiagnosticResponseCallback to be notified whenever a + * response is received for this request.*/ + bool recurring_; /*!< bool recurring_ - If true, this is a recurring request and it will remain as active until explicitly cancelled. + * The frequencyClock attribute controls how often a recurrin request is made.*/ + bool wait_for_multiple_responses_; /*!< wait_for_multiple_responses_ - False by default, when any response is received for a request + * it will be removed from the active list. If true, the request will remain active until the timeout + * clock expires, to allow it to receive multiple response (e.g. to a functional broadcast request).*/ + bool in_flight_; /*!< in_flight_ - True if the request has been sent and we are waiting for a response.*/ + frequency_clock_t frequency_clock_; /*!< frequency_clock_ - A frequency_clock_t object to control the send rate for a + * recurring request. If the request is not reecurring, this attribute is not used.*/ + frequency_clock_t timeout_clock_; /*!< timeout_clock_ - A frequency_clock_t object to monitor how long it's been since + * this request was sent.*/ +public: + active_diagnostic_request_t(); + + void updateDiagnosticRequestEntry(DiagnosticsManager* manager, CanBus* bus, DiagnosticRequest* request, + const char* name, bool waitForMultipleResponses, const DiagnosticResponseDecoder decoder, + const DiagnosticResponseCallback callback, float frequencyHz); }; diff --git a/src/diagnostic/diagnostic-manager.cpp b/src/diagnostic/diagnostic-manager.cpp index 1feac97a..2be9a058 100644 --- a/src/diagnostic/diagnostic-manager.cpp +++ b/src/diagnostic/diagnostic-manager.cpp @@ -19,12 +19,14 @@ #include "../configuration.hpp" #include "../low-can-binding.hpp" +#define MAX_REQUEST_ENTRIES 50 diagnostic_manager_t::diagnostic_manager_t() + : request_list_entries_(MAX_REQUEST_ENTRIES, active_diagnostic_request_t()) {} diagnostic_manager_t::diagnostic_manager_t(can_bus_dev_t& bus) - : bus_(&bus) + : bus_(&bus), request_list_entries_(MAX_REQUEST_ENTRIES, active_diagnostic_request_t()) {} bool shims_send(const uint32_t arbitration_id, const uint8_t* data, const uint8_t size) diff --git a/src/diagnostic/diagnostic-manager.hpp b/src/diagnostic/diagnostic-manager.hpp index faf1eaf4..bb12f6b0 100644 --- a/src/diagnostic/diagnostic-manager.hpp +++ b/src/diagnostic/diagnostic-manager.hpp @@ -45,19 +45,19 @@ protected: private: DiagnosticShims shims_; /*!< shims_ - An array of shim functions for each CAN bus that plug the diagnostics - * library (uds-c) into the VI's CAN peripheral.*/ + * library (uds-c) into the VI's CAN peripheral.*/ can_bus_dev_t* bus_; /*!< bus_ - A pointer to the CAN bus that should be used for all standard OBD-II requests, if the bus is not - * explicitly spcified in the request. If NULL, all requests require an explicit bus.*/ - std::queue<active_diagnostic_request_t> recurringRequests_; /*!< recurringRequests - A queue of active, recurring diagnostic requests. When - * a response is received for a recurring request or it times out, it is - * popped from the queue and pushed onto the back. */ - std::vector<active_diagnostic_request_t> nonrecurringRequests_; /*!< nonrecurringRequests - A list of active one-time diagnostic requests. When a - * response is received for a non-recurring request or it times out, it is - * removed from this list and placed back in the free list.*/ - std::vector<active_diagnostic_request_t> freeRequestEntries_; /*!< freeRequestEntries - A list of all available slots for active diagnostic - * requests. This free list is backed by statically allocated entries in - * the requestListEntries attribute.*/ - std::vector<active_diagnostic_request_t> requestListEntries_[50]; /*!< requestListEntries - Static allocation for all active diagnostic requests.*/ + * explicitly spcified in the request. If NULL, all requests require an explicit bus.*/ + std::queue<active_diagnostic_request_t> recurring_requests_; /*!< recurringRequests - A queue of active, recurring diagnostic requests. When + * a response is received for a recurring request or it times out, it is + * popped from the queue and pushed onto the back. */ + std::vector<active_diagnostic_request_t> non_recurring_requests_; /*!< nonrecurringRequests - A list of active one-time diagnostic requests. When a + * response is received for a non-recurring request or it times out, it is + * removed from this list and placed back in the free list.*/ + std::vector<active_diagnostic_request_t> free_request_entries_; /*!< freeRequestEntries - A list of all available slots for active diagnostic + * requests. This free list is backed by statically allocated entries in + * the requestListEntries attribute.*/ + std::vector<active_diagnostic_request_t> request_list_entries_ /*!< requestListEntries - Static allocation for all active diagnostic requests.*/ bool initialized_; /*!< * initialized - True if the DiagnosticsManager has been initialized with shims. It will interface with the uds-c lib*/ |