/// value.
///
/// @param[in] signal - The signal to be parsed from the data.
-/// @param[in] message - can_message_t to parse
+/// @param[in] message - message_t to parse
///
/// @return Returns the raw value of the signal parsed as a bitfield from the given byte
/// array.
/// used directly in the signal_t.decoder field.
///
/// @param[in] signal - The details of the signal that contains the state mapping.
-/// @param[in] value - The numerical value that will be wrapped in a DynamicField.
+/// @param[in] message - The message with data to decode.
/// @param[out] send - An output argument that will be set to false if the value should
/// not be sent for any reason.
///
/// its numeric value. The 'send' argument will not be modified as this decoder
/// always succeeds.
///
-openxc_DynamicField decoder_t::decode_noop(signal_t& signal, float value, bool* send)
+openxc_DynamicField decoder_t::decode_noop(signal_t& signal, std::shared_ptr<message_t> message, bool* send)
{
+ float value = decoder_t::parse_signal_bitfield(signal, message);
+ AFB_DEBUG("Decoded message from parse_signal_bitfield: %f", value);
openxc_DynamicField decoded_value = build_DynamicField(value);
+ // Don't send if they is no changes
+ if ((signal.get_last_value() == value && !signal.get_send_same()) || !*send )
+ {
+ *send = false;
+ }
+ signal.set_last_value(value);
+
return decoded_value;
}
/// @brief Coerces a numerical value to a boolean.
/// used directly in the signal_t.decoder field.
///
/// @param[in] signal - The details of the signal that contains the state mapping.
-/// @param[in] value - The numerical value that will be converted to a boolean.
+/// @param[in] message - The message with data to decode.
/// @param[out] send - An output argument that will be set to false if the value should
/// not be sent for any reason.
///
/// is 0.0, otherwise true. The 'send' argument will not be modified as this
/// decoder always succeeds.
///
-openxc_DynamicField decoder_t::decode_boolean(signal_t& signal, float value, bool* send)
+openxc_DynamicField decoder_t::decode_boolean(signal_t& signal, std::shared_ptr<message_t> message, bool* send)
{
+ float value = decoder_t::parse_signal_bitfield(signal, message);
+ AFB_DEBUG("Decoded message from parse_signal_bitfield: %f", value);
openxc_DynamicField decoded_value = build_DynamicField(value == 0.0 ? false : true);
+ // Don't send if they is no changes
+ if ((signal.get_last_value() == value && !signal.get_send_same()) || !*send )
+ {
+ *send = false;
+ }
+ signal.set_last_value(value);
+
+
return decoded_value;
}
/// @brief Update the metadata for a signal and the newly received value.
/// This function always flips 'send' to false.
///
/// @param[in] signal - The details of the signal that contains the state mapping.
-/// @param[in] value - The numerical value that will be converted to a boolean.
+/// @param[in] message - The message with data to decode.
/// @param[out] send - This output argument will always be set to false, so the caller will
/// know not to publish this value to the pipeline.
///
/// @return Return value is undefined.
///
-openxc_DynamicField decoder_t::decode_ignore(signal_t& signal, float value, bool* send)
+openxc_DynamicField decoder_t::decode_ignore(signal_t& signal, std::shared_ptr<message_t> message, bool* send)
{
+ float value = decoder_t::parse_signal_bitfield(signal, message);
if(send)
*send = false;
+ signal.set_last_value(value);
openxc_DynamicField decoded_value;
return decoded_value;
/// used directly in the signal_t.decoder field.
///
/// @param[in] signal - The details of the signal that contains the state mapping.
-/// @param[in] value - The numerical value that should map to a state.
+/// @param[in] message - The message with data to decode.
/// @param[out] send - An output argument that will be set to false if the value should
/// not be sent for any reason.
///
/// the signal. If an equivalent isn't found, send is sent to false and the
/// return value is undefined.
///
-openxc_DynamicField decoder_t::decode_state(signal_t& signal, float value, bool* send)
+openxc_DynamicField decoder_t::decode_state(signal_t& signal, std::shared_ptr<message_t> message, bool* send)
{
+ float value = decoder_t::parse_signal_bitfield(signal, message);
+ AFB_DEBUG("Decoded message from parse_signal_bitfield: %f", value);
const std::string signal_state = signal.get_states((uint8_t)value);
openxc_DynamicField decoded_value = build_DynamicField(signal_state);
if(signal_state.size() <= 0)
*send = false;
AFB_ERROR("No state found with index: %d", (int)value);
}
+
+ // Don't send if they is no changes
+ if ((signal.get_last_value() == value && !signal.get_send_same()) || !*send )
+ {
+ *send = false;
+ }
+ signal.set_last_value(value);
+
+
return decoded_value;
}
/// will be passed to the decoder before publishing.
///
/// @param[in] signal - The details of the signal to decode and forward.
-/// @param[in] message - The received CAN message that should contain this signal.
+/// @param[in] message - The message with data to decode.
/// @param[out] send - An output parameter that will be flipped to false if the value could
/// not be decoded.
///
///
openxc_DynamicField decoder_t::translate_signal(signal_t& signal, std::shared_ptr<message_t> message, bool* send)
{
- float value = decoder_t::parse_signal_bitfield(signal, message);
- AFB_DEBUG("Decoded message from parse_signal_bitfield: %f", value);
// Must call the decoders every time, regardless of if we are going to
// decide to send the signal or not.
openxc_DynamicField decoded_value = decoder_t::decode_signal(signal,
- value, send);
+ message, send);
signal.set_received(true);
-
- // Don't send if they is no changes
- if ((signal.get_last_value() == value && !signal.get_send_same()) || !*send )
- {
- *send = false;
- }
- signal.set_last_value(value);
signal.set_timestamp(message->get_timestamp());
signal.get_message()->set_last_value(message);
return decoded_value;
/// will be passed to the decoder before returning.
///
/// @param[in] signal - The details of the signal to decode and forward.
-/// @param[in] value - The numerical value that will be converted to a boolean.
+/// @param[in] message - The message with data to decode.
/// @param[out] send - An output parameter that will be flipped to false if the value could
/// not be decoded.
///
/// @return The decoder returns an openxc_DynamicField, which may contain a number,
/// string or boolean. If 'send' is false, the return value is undefined.
///
-openxc_DynamicField decoder_t::decode_signal( signal_t& signal, float value, bool* send)
+openxc_DynamicField decoder_t::decode_signal( signal_t& signal, std::shared_ptr<message_t> message, bool* send)
{
signal_decoder decoder = signal.get_decoder() == nullptr ?
decode_noop : signal.get_decoder();
+
openxc_DynamicField decoded_value = decoder(signal,
- value, send);
+ message, send);
return decoded_value;
}
-/// @brief Decode a transformed, human readable value from an raw CAN signal
-/// already parsed from a CAN message.
-///
-/// This is the same as decode_signal but you must parse the bitfield value of the signal from the CAN
-/// message yourself. This is useful if you need that raw value for something
-/// else.
-///
-/// @param[in] signal - The details of the signal to decode and forward.
-/// @param[in] message - Raw CAN message to decode
-/// @param[out] send - An output parameter that will be flipped to false if the value could
-/// not be decoded.
-///
-openxc_DynamicField decoder_t::decode_signal( signal_t& signal, std::shared_ptr<message_t> message, bool* send)
-{
- float value = parse_signal_bitfield(signal, message);
- return decode_signal(signal, value, send);
-}
-
-
///
/// @brief Decode the payload of an OBD-II PID.
///
Code Review / apps / agl-service-can-low-level.git / blobdiff