diff options
Diffstat (limited to 'src/diagnostic')
| -rw-r--r-- | src/diagnostic/active-diagnostic-request.cpp | 22 | ||||
| -rw-r--r-- | src/diagnostic/active-diagnostic-request.hpp | 5 | ||||
| -rw-r--r-- | src/diagnostic/diagnostic-manager.cpp | 54 | ||||
| -rw-r--r-- | src/diagnostic/diagnostic-manager.hpp | 5 | ||||
| -rw-r--r-- | src/diagnostic/diagnostic-message.cpp | 5 | ||||
| -rw-r--r-- | src/diagnostic/diagnostic-message.hpp | 3 |
6 files changed, 93 insertions, 1 deletions
diff --git a/src/diagnostic/active-diagnostic-request.cpp b/src/diagnostic/active-diagnostic-request.cpp index 505d816..7a43a0d 100644 --- a/src/diagnostic/active-diagnostic-request.cpp +++ b/src/diagnostic/active-diagnostic-request.cpp @@ -57,6 +57,11 @@ active_diagnostic_request_t::active_diagnostic_request_t(std::shared_ptr<can_bus in_flight_{false}, frequency_clock_{frequency_clock_t(frequencyHz)}, timeout_clock_{frequency_clock_t(10)} {} +uint32_t active_diagnostic_request_t::get_id() const +{ + return id_; +} + std::shared_ptr<can_bus_dev_t> active_diagnostic_request_t::get_can_bus_dev() { return bus_; @@ -77,6 +82,16 @@ bool active_diagnostic_request_t::get_in_flight() const return in_flight_; } +frequency_clock_t& active_diagnostic_request_t::get_frequency_clock() +{ + return frequency_clock_; +} + +frequency_clock_t& active_diagnostic_request_t::get_timeout_clock() +{ + return timeout_clock_; +} + void active_diagnostic_request_t::set_handle(DiagnosticShims& shims, DiagnosticRequest* request) { handle_ = new DiagnosticRequestHandle(generate_diagnostic_request(&shims, request, nullptr)); @@ -87,6 +102,13 @@ void active_diagnostic_request_t::set_in_flight(bool val) in_flight_ = val; } +bool active_diagnostic_request_t::should_send() +{ + return !get_in_flight() && ( + (!get_recurring() && !request_completed()) || + (get_recurring() && get_frequency_clock().elapsed(true))); +} + bool active_diagnostic_request_t::timed_out() { // don't use staggered start with the timeout clock diff --git a/src/diagnostic/active-diagnostic-request.hpp b/src/diagnostic/active-diagnostic-request.hpp index 88d4008..fb87c83 100644 --- a/src/diagnostic/active-diagnostic-request.hpp +++ b/src/diagnostic/active-diagnostic-request.hpp @@ -88,14 +88,19 @@ public: const DiagnosticResponseDecoder decoder, const DiagnosticResponseCallback callback, float frequencyHz); + uint32_t get_id() const; std::shared_ptr<can_bus_dev_t> get_can_bus_dev(); DiagnosticRequestHandle* get_handle(); bool get_recurring() const; bool get_in_flight() const; + frequency_clock_t& get_frequency_clock(); + frequency_clock_t& get_timeout_clock(); void set_handle(DiagnosticShims& shims, DiagnosticRequest* request); void set_in_flight(bool val); + bool should_send(); + bool timed_out(); bool response_received() const; bool request_completed(); diff --git a/src/diagnostic/diagnostic-manager.cpp b/src/diagnostic/diagnostic-manager.cpp index 5103bf1..6e8a68c 100644 --- a/src/diagnostic/diagnostic-manager.cpp +++ b/src/diagnostic/diagnostic-manager.cpp @@ -261,6 +261,60 @@ bool diagnostic_manager_t::add_recurring_request(DiagnosticRequest* request, con return added; } +bool diagnostic_manager_t::conflicting(active_diagnostic_request_t* request, active_diagnostic_request_t* candidate) const +{ + return (candidate->get_in_flight() && candidate != request && + candidate->get_can_bus_dev() == request->get_can_bus_dev() && + candidate->get_id() == request->get_id()); +} + + +/// @brief Returns true if there are no other active requests to the same arbitration ID. +bool diagnostic_manager_t::clear_to_send(active_diagnostic_request_t* request) const +{ + for ( auto entry : non_recurring_requests_) + { + if(conflicting(request, entry)) + return false; + } + + for ( auto entry : recurring_requests_) + { + if(conflicting(request, entry)) + return false; + } + return true; +} + +int diagnostic_manager_t::send_request(sd_event_source *s, uint64_t usec, void *userdata) +{ + diagnostic_manager_t& dm = configuration_t::instance().get_diagnostic_manager(); + DiagnosticRequest* request = (DiagnosticRequest*)userdata; + active_diagnostic_request_t* adr = dm.lookup_recurring_request(request); + + if(adr != nullptr && adr->get_can_bus_dev() == dm.get_can_bus_dev() && adr->should_send() && + dm.clear_to_send(adr)) + { + DEBUG(binder_interface, "Got active_diagnostic_request from recurring_requests_ queue."); + adr->get_frequency_clock().tick(); + start_diagnostic_request(&dm.get_shims(), adr->get_handle()); + if(adr->get_handle()->completed && !adr->get_handle()->success) + { + DEBUG(binder_interface, "Fatal error sending diagnostic request"); + return 0; + } + adr->get_timeout_clock().tick(); + adr->set_in_flight(true); + return 1; + } + return -1; +} + +DiagnosticShims& diagnostic_manager_t::get_shims() +{ + return shims_; +} + bool diagnostic_manager_t::shims_send(const uint32_t arbitration_id, const uint8_t* data, const uint8_t size) { std::shared_ptr<can_bus_dev_t> can_bus_dev = configuration_t::instance().get_diagnostic_manager().get_can_bus_dev(); diff --git a/src/diagnostic/diagnostic-manager.hpp b/src/diagnostic/diagnostic-manager.hpp index 39aae32..aa98c0b 100644 --- a/src/diagnostic/diagnostic-manager.hpp +++ b/src/diagnostic/diagnostic-manager.hpp @@ -17,6 +17,7 @@ #pragma once +#include <systemd/sd-event.h> #include <queue> #include <vector> @@ -94,4 +95,8 @@ public: bool add_recurring_request(DiagnosticRequest* request, const char* name, bool waitForMultipleResponses, const DiagnosticResponseDecoder decoder, const DiagnosticResponseCallback callback, float frequencyHz); + + 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/diagnostic/diagnostic-message.cpp b/src/diagnostic/diagnostic-message.cpp index 62e97b8..cb4e691 100644 --- a/src/diagnostic/diagnostic-message.cpp +++ b/src/diagnostic/diagnostic-message.cpp @@ -58,6 +58,11 @@ const std::string& obd2_signal_t::get_prefix() const return prefix_; } +int obd2_signal_t::get_frequency() const +{ + return frequency_; +} + void obd2_signal_t::set_prefix(std::string val) { prefix_ = val; diff --git a/src/diagnostic/diagnostic-message.hpp b/src/diagnostic/diagnostic-message.hpp index 8301917..02c6a9f 100644 --- a/src/diagnostic/diagnostic-message.hpp +++ b/src/diagnostic/diagnostic-message.hpp @@ -62,6 +62,7 @@ class obd2_signal_t { const std::string& get_generic_name() const; const std::string get_name() const; const std::string& get_prefix() const; + int get_frequency() const; void set_prefix(std::string val); @@ -71,5 +72,5 @@ class obd2_signal_t { bool is_obd2_request(DiagnosticRequest *request); bool is_obd2_signal(const char *name); - float decode_obd2_response(const DiagnosticResponse* response, float parsedPayload); + static float decode_obd2_response(const DiagnosticResponse* response, float parsedPayload); };
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