diff options
Diffstat (limited to 'CAN-binder/low-can-binding/binding/low-can-subscription.hpp')
| -rw-r--r-- | CAN-binder/low-can-binding/binding/low-can-subscription.hpp | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/CAN-binder/low-can-binding/binding/low-can-subscription.hpp b/CAN-binder/low-can-binding/binding/low-can-subscription.hpp index 0efde63..0ad7e3a 100644 --- a/CAN-binder/low-can-binding/binding/low-can-subscription.hpp +++ b/CAN-binder/low-can-binding/binding/low-can-subscription.hpp @@ -25,28 +25,35 @@ #include "../diagnostic/diagnostic-message.hpp" #include "../utils/socketcan-bcm.hpp" +/// @brief Filtering values. Theses values has to be tested into +/// can_bus_t::apply_filter method. struct event_filter_t { - float frequency; - float min; - float max; + float frequency; ///< frequency - Maximum frequency which will be received and pushed a subscribed event. + float min; ///< min - Minimum value that the signal don't have to go below to be pushed. + float max; ///< max - Maximum value that the signal don't have to go above to be pushed. event_filter_t() : frequency{NAN}, min{NAN}, max{NAN} {} }; +/// @brief A subscription object used has a context that handle all needed values to describe a subscription +/// to the low-can binding. It can holds a CAN signal or diagnostic message. Diagnostic message for OBD2 is a kind +/// of special because there is only 1 listener to retrieve OBD2 requests. So it's needed that all diagnostic messages +/// subscriptions is to be in 1 object. class low_can_subscription_t { private: - int index_; - struct afb_event event_; + int index_; ///< index_ - index number is the socket (int) casted + struct afb_event event_; ///< event_ - application framework event used to push on client /// Signal part - std::shared_ptr<can_signal_t> can_signal_; - std::vector<std::shared_ptr<diagnostic_message_t> > diagnostic_message_; + std::shared_ptr<can_signal_t> can_signal_; ///< can_signal_ - the CAN signal subscribed + std::vector<std::shared_ptr<diagnostic_message_t> > diagnostic_message_; ///< diagnostic_message_ - diagnostic messages meant to received OBD2 responses. + /// normal diagnostic request and response not tested for now. /// Filtering part - struct event_filter_t event_filter_; + struct event_filter_t event_filter_; ///< event_filter_ - filtering values applied to a subscription - utils::socketcan_bcm_t socket_; + utils::socketcan_bcm_t socket_; ///< socket_ - socket_ that receives CAN messages. public: low_can_subscription_t(); low_can_subscription_t(struct event_filter_t event_filter); @@ -78,7 +85,6 @@ public: struct utils::simple_bcm_msg make_bcm_head(uint32_t can_id, uint32_t flags, const struct timeval& timeout, const struct timeval& frequency_thinning) const; void add_bcm_frame(const struct can_frame& cfd, struct utils::simple_bcm_msg& bcm_msg) const; int open_socket(); - int create_rx_filter(); int create_rx_filter(std::shared_ptr<can_signal_t> sig); int create_rx_filter(std::shared_ptr<diagnostic_message_t> sig); int create_rx_filter(utils::simple_bcm_msg& bcm_msg); |