#define MESSAGE_SET_ID 0
-extern std::mutex subscribed_signals_mutex;
-std::mutex& get_subscribed_signals_mutex();
-
-/**
- * @brief return the subscribed_signals map.
- *
- * return std::map<std::string, struct afb_event> - map of subscribed signals.
- */
-extern std::map<std::string, struct afb_event> subscribed_signals;
-std::map<std::string, struct afb_event>& get_subscribed_signals();
-
/**
* @brief The type signature for a CAN signal decoder.
*
* @desc A SignalDecoder transforms a raw floating point CAN signal into a number,
* string or boolean.
*
- * @param[in] CanSignal signal - The CAN signal that we are decoding.
- * @param[in] CanSignal signals - The list of all signals.
- * @param[in] int signalCount - The length of the signals array.
- * @param[in] float value - The CAN signal parsed from the message as a raw floating point
+ * @param[in] signal - The CAN signal that we are decoding.
+ * @param[in] signals - The list of all signals.
+ * @param[in] signalCount - The length of the signals array.
+ * @param[in] value - The CAN signal parsed from the message as a raw floating point
* value.
- * @param[out] bool send - An output parameter. If the decoding failed or the CAN signal should
+ * @param[out] send - An output parameter. If the decoding failed or the CAN signal should
* not send for some other reason, this should be flipped to false.
*
* @return a decoded value in an openxc_DynamicField struct.
* @desc A SignalEncoder transforms a number, string or boolean into a raw floating
* point value that fits in the CAN signal.
*
- * @params[signal] - The CAN signal to encode.
- * @params[value] - The dynamic field to encode.
- * @params[send] - An output parameter. If the encoding failed or the CAN signal should
+ * @params[in] signal - The CAN signal to encode.
+ * @params[in] value - The dynamic field to encode.
+ * @params send - An output parameter. If the encoding failed or the CAN signal should
* not be encoded for some other reason, this will be flipped to false.
*/
typedef uint64_t (*SignalEncoder)(struct CanSignal* signal,
* OpenXC state names.
*/
struct CanSignalState {
- const int value; /*!< int value - The integer value of the state on the CAN bus.*/
- const char* name; /*!< char* name - The corresponding string name for the state in OpenXC. */
+ const int value; /*!< value - The integer value of the state on the CAN bus.*/
+ const char* name; /*!< name - The corresponding string name for the state in OpenXC. */
};
typedef struct CanSignalState CanSignalState;
* @brief A CAN signal to decode from the bus and output over USB.
*/
struct CanSignal {
- struct CanMessageDefinition* message; /*!< message - The message this signal is a part of. */
+ struct CanMessageDefinition* message; /*!< message - The message this signal is a part of. */
const char* generic_name; /*!< generic_name - The name of the signal to be output over USB.*/
uint8_t bitPosition; /*!< bitPosition - The starting bit of the signal in its CAN message (assuming
* non-inverted bit numbering, i.e. the most significant bit of
};
typedef struct CanSignal CanSignal;
-std::vector<CanSignal>& get_can_signals();
+class can_signal_t
+{
+ private:
+ struct can_message_definition_t* message_; /*!< message_ - The message this signal is a part of. */
+ const std::string generic_name_; /*!< generic_name_ - The name of the signal to be output over USB.*/
+ uint8_t bitPosition_; /*!< bitPosition_ - The starting bit of the signal in its CAN message (assuming
+ * non-inverted bit numbering, i.e. the most significant bit of
+ * each byte is 0) */
+ uint8_t bitSize_; /*!< bitSize_ - The width of the bit field in the CAN message. */
+ float factor_; /*!< factor_ - The final value will be multiplied by this factor. Use 1 if you
+ * don't need a factor. */
+ float offset_; /*!< offset_ - The final value will be added to this offset. Use 0 if you
+ * don't need an offset. */
+ float min_value_; /*!< min_value_ - The minimum value for the processed signal.*/
+ float max_value_; /*!< max_value_ - The maximum value for the processed signal. */
+ FrequencyClock frequency_; /*!< frequency_ - A FrequencyClock struct to control the maximum frequency to
+ * process and send this signal. To process every value, set the
+ * clock's frequency to 0. */
+ bool send_same_; /*!< send_same_ - If true, will re-send even if the value hasn't changed.*/
+ bool force_send_changed_; /*!< force_send_changed_ - If true, regardless of the frequency, it will send the
+ * value if it has changed. */
+ const std::map<const int, const std::string> states_; /*!< states_ - A map of CAN signal state describing the mapping
+ * between numerical and string values for valid states. */
+ uint8_t state_count_; /*!< state_count_ - The length of the states array. */
+ bool writable_; /*!< writable - True if the signal is allowed to be written from the USB host
+ * back to CAN. Defaults to false.*/
+ SignalDecoder decoder_; /*!< decoder_ - An optional function to decode a signal from the bus to a human
+ * readable value. If NULL, the default numerical decoder is used. */
+ SignalEncoder encoder_; /*!< encoder_ - An optional function to encode a signal value to be written to
+ * CAN into a byte array. If NULL, the default numerical encoder
+ * is used. */
+ bool received_; /*!< received_ - True if this signal has ever been received.*/
+ float lastValue_; /*!< lastValue_ - The last received value of the signal. If 'received' is false,
+ * this value is undefined. */
-size_t getSignalCount();
+ public:
+ can_message_definition_t* get_message()
+ {
+ return message_;
+ }
-void find_can_signals(const openxc_DynamicField &key, std::vector<CanSignal*>& found_signals);
+ const std::string& get_generic_name()
+ {
+ return generic_name_;
+ }
+};
-uint32_t get_signal_id(const CanSignal& sig);
\ No newline at end of file
+void find_can_signals(const openxc_DynamicField &key, std::vector<CanSignal*>& found_signals);
Code Review / apps / agl-service-can-low-level.git / blobdiff