*
* @return a decoded value in an openxc_DynamicField struct.
*/
-typedef openxc_DynamicField (*SignalDecoder)(struct CanSignal& signal,
+typedef openxc_DynamicField (*SignalDecoder)(can_signal_t& signal,
const std::vector<CanSignal>& signals, float value, bool* send);
/**
* @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,
+typedef uint64_t (*SignalEncoder)(can_signal_t* signal,
openxc_DynamicField* value, bool* send);
-/**
- * @struct CanSignalState
- *
- * @brief A state encoded (SED) signal's mapping from numerical values to
- * OpenXC state names.
- */
-struct CanSignalState {
- 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;
-
-/**
- * @struct CanSignal
- *
- * @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. */
- 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
- * 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 minValue; /*!< minValue - The minimum value for the processed signal.*/
- float maxValue; /*!< maxValue - The maximum value for the processed signal. */
- FrequencyClock frequencyClock; /*!< frequencyClock - 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 sendSame; /*!< sendSame - If true, will re-send even if the value hasn't changed.*/
- bool forceSendChanged; /*!< forceSendChanged - If true, regardless of the frequency, it will send the
- * value if it has changed. */
- const CanSignalState* states; /*!< states - An array of CanSignalState describing the mapping
- * between numerical and string values for valid states. */
- uint8_t stateCount; /*!< stateCount - 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. */
-};
-typedef struct CanSignal CanSignal;
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
+private:
+ can_message_definition_t message_; /*!< message_ - The message this signal is a part of. */
+ 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. */
-
- public:
- can_message_definition_t* get_message()
- {
- return message_;
- }
+ 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. */
+ std::map<int, 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. */
- const std::string& get_generic_name()
- {
- return generic_name_;
- }
+public:
+ can_message_definition_t& get_message() const;
+ std::string& get_generic_name() const;
};
void find_can_signals(const openxc_DynamicField &key, std::vector<CanSignal*>& found_signals);
Code Review / apps / agl-service-can-low-level.git / commitdiff