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-rw-r--r--src/can/can-decoder.cpp252
1 files changed, 127 insertions, 125 deletions
diff --git a/src/can/can-decoder.cpp b/src/can/can-decoder.cpp
index 866434e0..467261af 100644
--- a/src/can/can-decoder.cpp
+++ b/src/can/can-decoder.cpp
@@ -20,15 +20,15 @@
#include "canutil/read.h"
#include "../utils/openxc-utils.hpp"
-/* Public: Parse the signal's bitfield from the given data and return the raw
-* value.
-*
-* @param[in] signal - The signal to parse from the data.
-* @param[in] message - can_message_t to parse
-*
-* @return Returns the raw value of the signal parsed as a bitfield from the given byte
-* array.
-*/
+/// @brief Parse the signal's bitfield from the given data and return the raw
+/// value.
+///
+/// @param[in] signal - The signal to parse from the data.
+/// @param[in] message - can_message_t to parse
+///
+/// @return Returns the raw value of the signal parsed as a bitfield from the given byte
+/// array.
+///
float decoder_t::parseSignalBitfield(can_signal_t& signal, const can_message_t& message)
{
return bitfield_parse_float(message.get_data(), CAN_MESSAGE_SIZE,
@@ -36,21 +36,21 @@ float decoder_t::parseSignalBitfield(can_signal_t& signal, const can_message_t&
signal.get_offset());
}
-/* Public: Wrap a raw CAN signal value in a DynamicField without modification.
-*
-* This is an implementation of the SignalDecoder type signature, and can be
-* used directly in the can_signal_t.decoder field.
-*
-* @param[in] signal - The details of the signal that contains the state mapping.
-* @param[in] signals - The list of all signals
-* @param[in] value - The numerical value that will be wrapped in a DynamicField.
-* @param[out]send - An output argument that will be set to false if the value should
-* not be sent for any reason.
-*
-* @return Returns a DynamicField with the original, unmodified raw CAN signal value as
-* its numeric value. The 'send' argument will not be modified as this decoder
-* always succeeds.
-*/
+/// @brief Wrap a raw CAN signal value in a DynamicField without modification.
+///
+/// This is an implementation of the SignalDecoder type signature, and can be
+/// used directly in the can_signal_t.decoder field.
+///
+/// @param[in] signal - The details of the signal that contains the state mapping.
+/// @param[in] signals - The list of all signals
+/// @param[in] value - The numerical value that will be wrapped in a DynamicField.
+/// @param[out] send - An output argument that will be set to false if the value should
+/// not be sent for any reason.
+///
+/// @return Returns a DynamicField with the original, unmodified raw CAN signal value as
+/// its numeric value. The 'send' argument will not be modified as this decoder
+/// always succeeds.
+///
openxc_DynamicField decoder_t::noopDecoder(can_signal_t& signal,
const std::vector<can_signal_t>& signals, float value, bool* send)
{
@@ -58,21 +58,21 @@ openxc_DynamicField decoder_t::noopDecoder(can_signal_t& signal,
return decoded_value;
}
-/* Public: Coerces a numerical value to a boolean.
-*
-* This is an implementation of the SignalDecoder type signature, and can be
-* used directly in the can_signal_t.decoder field.
-*
-* @param[in] signal - The details of the signal that contains the state mapping.
-* @param[in] signals - The list of all signals
-* @param[in] value - The numerical value that will be converted to a boolean.
-* @param[out] send - An output argument that will be set to false if the value should
-* not be sent for any reason.
-*
-* @return Returns a DynamicField with a boolean value of false if the raw signal value
-* is 0.0, otherwise true. The 'send' argument will not be modified as this
-* decoder always succeeds.
-*/
+/// @brief Coerces a numerical value to a boolean.
+///
+/// This is an implementation of the SignalDecoder type signature, and can be
+/// used directly in the can_signal_t.decoder field.
+///
+/// @param[in] signal - The details of the signal that contains the state mapping.
+/// @param[in] signals - The list of all signals
+/// @param[in] value - The numerical value that will be converted to a boolean.
+/// @param[out] send - An output argument that will be set to false if the value should
+/// not be sent for any reason.
+///
+/// @return Returns a DynamicField with a boolean value of false if the raw signal value
+/// is 0.0, otherwise true. The 'send' argument will not be modified as this
+/// decoder always succeeds.
+///
openxc_DynamicField decoder_t::booleanDecoder(can_signal_t& signal,
const std::vector<can_signal_t>& signals, float value, bool* send)
{
@@ -80,21 +80,21 @@ openxc_DynamicField decoder_t::booleanDecoder(can_signal_t& signal,
return decoded_value;
}
-/* Public: Update the metadata for a signal and the newly received value.
-*
-* This is an implementation of the SignalDecoder type signature, and can be
-* used directly in the can_signal_t.decoder field.
-*
-* This function always flips 'send' to false.
-*
-* @param[in] signal - The details of the signal that contains the state mapping.
-* @param[in] signals - The list of all signals.
-* @param[in] value - The numerical value that will be converted to a boolean.
-* @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.
-*/
+/// @brief Update the metadata for a signal and the newly received value.
+///
+/// This is an implementation of the SignalDecoder type signature, and can be
+/// used directly in the can_signal_t.decoder field.
+///
+/// This function always flips 'send' to false.
+///
+/// @param[in] signal - The details of the signal that contains the state mapping.
+/// @param[in] signals - The list of all signals.
+/// @param[in] value - The numerical value that will be converted to a boolean.
+/// @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::ignoreDecoder(can_signal_t& signal,
const std::vector<can_signal_t>& signals, float value, bool* send)
{
@@ -106,22 +106,22 @@ openxc_DynamicField decoder_t::ignoreDecoder(can_signal_t& signal,
return decoded_value;
}
-/* Public: Find and return the corresponding string state for a CAN signal's
-* raw integer value.
-*
-* This is an implementation of the SignalDecoder type signature, and can be
-* used directly in the can_signal_t.decoder field.
-*
-* @param[in] signal - The details of the signal that contains the state mapping.
-* @param[in] signals - The list of all signals.
-* @param[in] value - The numerical value that should map to a state.
-* @param[out] send - An output argument that will be set to false if the value should
-* not be sent for any reason.
-*
-* @return Returns a DynamicField with a string value if a matching state is found in
-* the signal. If an equivalent isn't found, send is sent to false and the
-* return value is undefined.
-*/
+/// @brief Find and return the corresponding string state for a CAN signal's
+/// raw integer value.
+///
+/// This is an implementation of the SignalDecoder type signature, and can be
+/// used directly in the can_signal_t.decoder field.
+///
+/// @param[in] signal - The details of the signal that contains the state mapping.
+/// @param[in] signals - The list of all signals.
+/// @param[in] value - The numerical value that should map to a state.
+/// @param[out] send - An output argument that will be set to false if the value should
+/// not be sent for any reason.
+///
+/// @return Returns a DynamicField with a string value if a matching state is found in
+/// the signal. If an equivalent isn't found, send is sent to false and the
+/// return value is undefined.
+///
openxc_DynamicField decoder_t::stateDecoder(can_signal_t& signal,
const std::vector<can_signal_t>& signals, float value, bool* send)
{
@@ -136,19 +136,19 @@ openxc_DynamicField decoder_t::stateDecoder(can_signal_t& signal,
}
-/* Public: Parse a signal from a CAN message, apply any required transforations
-* to get a human readable value and public the result to the pipeline.
-*
-* If the can_signal_t has a non-NULL 'decoder' field, the raw CAN signal 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] signals - an array of all active signals.
-*
-* The decoder returns an openxc_DynamicField, which may contain a number,
-* string or boolean.
-*/
+/// @brief Parse a signal from a CAN message, apply any required transforations
+/// to get a human readable value and public the result to the pipeline.
+///
+/// If the can_signal_t has a non-NULL 'decoder' field, the raw CAN signal 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] signals - an array of all active signals.
+///
+/// The decoder returns an openxc_DynamicField, which may contain a number,
+/// string or boolean.
+///
openxc_DynamicField decoder_t::translateSignal(can_signal_t& signal, can_message_t& message,
const std::vector<can_signal_t>& signals)
{
@@ -172,21 +172,21 @@ openxc_DynamicField decoder_t::translateSignal(can_signal_t& signal, can_message
return decoded_value;
}
-/* Public: Parse a signal from a CAN message and apply any required
-* transforations to get a human readable value.
-*
-* If the can_signal_t has a non-NULL 'decoder' field, the raw CAN signal 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] signals - an array of all active signals.
-* @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.
-*/
+/// @brief Parse a signal from a CAN message and apply any required
+/// transforations to get a human readable value.
+///
+/// If the can_signal_t has a non-NULL 'decoder' field, the raw CAN signal 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] signals - an array of all active signals.
+/// @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::decodeSignal( can_signal_t& signal,
float value, const std::vector<can_signal_t>& signals, bool* send)
{
@@ -197,19 +197,19 @@ openxc_DynamicField decoder_t::decodeSignal( can_signal_t& signal,
return decoded_value;
}
-/* Public: Decode a transformed, human readable value from an raw CAN signal
-* already parsed from a CAN message.
-*
-* This is the same as decodeSignal 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] value - The numerical value that will be converted to a boolean.
-* @param[in] signals - an array of all active signals.
-* @param[out] send - An output parameter that will be flipped to false if the value could
-* not be decoded.
-*/
+/// @brief Decode a transformed, human readable value from an raw CAN signal
+/// already parsed from a CAN message.
+///
+/// This is the same as decodeSignal 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[in] signals - an array of all active signals.
+/// @param[out] send - An output parameter that will be flipped to false if the value could
+/// not be decoded.
+///
openxc_DynamicField decoder_t::decodeSignal( can_signal_t& signal,
const can_message_t& message, const std::vector<can_signal_t>& signals, bool* send)
{
@@ -218,20 +218,22 @@ openxc_DynamicField decoder_t::decodeSignal( can_signal_t& signal,
}
-/**
-* @brief Decode the payload of an OBD-II PID.
-*
-* This function matches the type signature for a DiagnosticResponseDecoder, so
-* it can be used as the decoder for a DiagnosticRequest. It returns the decoded
-* value of the PID, using the standard formulas (see
-* http://en.wikipedia.org/wiki/OBD-II_PIDs#Mode_01).
-*
-* @param[in] response - the received DiagnosticResponse (the data is in response.payload,
-* a byte array). This is most often used when the byte order is
-* signiticant, i.e. with many OBD-II PID formulas.
-* @param[in] parsed_payload - the entire payload of the response parsed as an int.
-*/
-float decoder_t::decode_obd2_response(const DiagnosticResponse* response, float parsedPayload)
+///
+/// @brief Decode the payload of an OBD-II PID.
+///
+/// This function matches the type signature for a DiagnosticResponseDecoder, so
+/// it can be used as the decoder for a DiagnosticRequest. It returns the decoded
+/// value of the PID, using the standard formulas (see
+/// http://en.wikipedia.org/wiki/OBD-II_PIDs#Mode_01).
+///
+/// @param[in] response - the received DiagnosticResponse (the data is in response.payload,
+/// a byte array). This is most often used when the byte order is
+/// signiticant, i.e. with many OBD-II PID formulas.
+/// @param[in] parsed_payload - the entire payload of the response parsed as an int.
+///
+/// @return Float decoded value.
+///
+float decoder_t::decode_obd2_response(const DiagnosticResponse* response, float parsed_payload)
{
return diagnostic_decode_obd2_pid(response);
} \ No newline at end of file