diff options
Diffstat (limited to 'low-can-binding')
| -rw-r--r-- | low-can-binding/can/can-decoder.cpp | 13 | ||||
| -rw-r--r-- | low-can-binding/can/message/message.cpp | 11 | ||||
| -rw-r--r-- | low-can-binding/can/message/message.hpp | 3 | ||||
| -rwxr-xr-x | low-can-binding/can/signals.cpp | 12 | ||||
| -rwxr-xr-x | low-can-binding/can/signals.hpp | 4 | ||||
| -rw-r--r-- | low-can-binding/utils/converter.cpp | 20 | ||||
| -rw-r--r-- | low-can-binding/utils/converter.hpp | 3 |
7 files changed, 35 insertions, 31 deletions
diff --git a/low-can-binding/can/can-decoder.cpp b/low-can-binding/can/can-decoder.cpp index cf4306a5..0e64cccd 100644 --- a/low-can-binding/can/can-decoder.cpp +++ b/low-can-binding/can/can-decoder.cpp @@ -99,6 +99,14 @@ float decoder_t::parse_signal_bitfield(signal_t& signal, std::shared_ptr<message uint8_t bit_size = (uint8_t) signal.get_bit_size(); uint32_t bit_position = signal.get_bit_position(); + if(!signal.get_message()->frame_layout_is_little()) + { + bit_position = converter_t::bit_position_swap(message->get_length(), + signal.get_bit_position(), + signal.get_bit_size()); + message->frame_swap(); + } + int new_start_byte = 0; int new_end_byte = 0; uint8_t new_start_bit = 0; @@ -320,11 +328,6 @@ openxc_DynamicField decoder_t::decode_state(signal_t& signal, std::shared_ptr<me /// openxc_DynamicField decoder_t::translate_signal(signal_t& signal, std::shared_ptr<message_t> message, bool* send) { - if(!signal.get_message()->frame_layout_is_little() && !signal.bit_position_is_swapped()) - { - signal.set_bit_position(converter_t::bit_position_swap(signal.get_bit_position(),signal.get_bit_size())); - signal.bit_position_is_swapped_reverse(); - } // 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, diff --git a/low-can-binding/can/message/message.cpp b/low-can-binding/can/message/message.cpp index 22887c9a..56e9379f 100644 --- a/low-can-binding/can/message/message.cpp +++ b/low-can-binding/can/message/message.cpp @@ -177,3 +177,14 @@ void message_t::set_length(uint32_t length) { length_ = length; } + +void message_t::frame_swap() +{ + int i; + uint8_t *temp = (uint8_t*)alloca(length_); + + for(i = 0; i < length_; i++) + temp[i] = data_[length_ - i - 1]; + + memcpy(data_.data(), temp, length_); +} diff --git a/low-can-binding/can/message/message.hpp b/low-can-binding/can/message/message.hpp index 9a074e31..e5e6769b 100644 --- a/low-can-binding/can/message/message.hpp +++ b/low-can-binding/can/message/message.hpp @@ -44,7 +44,7 @@ #define ISOTP_SEND 0x0020 #define ISOTP_RECEIVE 0x0040 #define CAN_PROTOCOL_WITH_FD_FRAME 0x0080 -#define FRAME_LAYOUT_IS_LE 0x0100 +#define FRAME_LAYOUT_IS_LE 0x0100 // LE stand for Little Endian /// @class message_t /// @@ -84,4 +84,5 @@ public: uint32_t get_maxdlen(); void set_maxdlen(uint32_t maxdlen); void set_length(uint32_t length); + void frame_swap(); }; diff --git a/low-can-binding/can/signals.cpp b/low-can-binding/can/signals.cpp index 28246a05..da8df988 100755 --- a/low-can-binding/can/signals.cpp +++ b/low-can-binding/can/signals.cpp @@ -71,7 +71,6 @@ signal_t::signal_t( , sign_{sign} , bit_sign_position_{bit_sign_position} , unit_{unit} - ,bit_position_is_swapped_{false} {} signal_t::signal_t( @@ -105,7 +104,6 @@ signal_t::signal_t( , decoder_{decoder} , encoder_{encoder} , received_{received} - , bit_position_is_swapped_{false} {} std::shared_ptr<message_definition_t> signal_t::get_message() const @@ -253,13 +251,3 @@ const std::string signal_t::get_unit() const { return unit_; } - -bool signal_t::bit_position_is_swapped() const -{ - return bit_position_is_swapped_; -} - -void signal_t::bit_position_is_swapped_reverse() -{ - bit_position_is_swapped_ = !bit_position_is_swapped_; -} diff --git a/low-can-binding/can/signals.hpp b/low-can-binding/can/signals.hpp index 5f143753..bf779981 100755 --- a/low-can-binding/can/signals.hpp +++ b/low-can-binding/can/signals.hpp @@ -111,8 +111,6 @@ private: sign_t sign_; /* !< sign_ - if the data is signed it indicates the encode */ int32_t bit_sign_position_; /*!< bit_sign_position_ - The bit that indicates the sign of the signal in its CAN message*/ std::string unit_; /* !< unit_ - The unit of the data */ - bool bit_position_is_swapped_; /* !<bit_position_is_swapped_- True if the signal's bit position has been - swapped (refer to converter_t::bit_position_swap()). Default is false.*/ public: @@ -179,12 +177,10 @@ public: sign_t get_sign() const; int32_t get_bit_sign_position() const; const std::string get_unit() const; - bool bit_position_is_swapped() const; void set_parent(std::shared_ptr<message_definition_t> parent); void set_received(bool r); void set_last_value(float val); void set_timestamp(uint64_t timestamp); void set_bit_position(uint32_t bit_position); - void bit_position_is_swapped_reverse(); }; diff --git a/low-can-binding/utils/converter.cpp b/low-can-binding/utils/converter.cpp index 0a09125f..6392fbdf 100644 --- a/low-can-binding/utils/converter.cpp +++ b/low-can-binding/utils/converter.cpp @@ -65,20 +65,24 @@ void converter_t::signal_to_bits_bytes(unsigned int bit_position, unsigned int b * @param bit_size Size of the data. * @return uint32_t New bit position. */ -uint32_t converter_t::bit_position_swap(uint32_t bit_position,uint32_t bit_size) +uint32_t converter_t::bit_position_swap(unsigned int msg_length, unsigned int bit_position, unsigned int bit_size) { - uint32_t start_byte_position = (uint32_t)(bit_position/8); - uint32_t bit_size_rest = bit_size; + return msg_length - bit_position - bit_size; + /* + unsigned int start_byte_position = (unsigned int)(bit_position/8); + unsigned int bit_size_rest = bit_size; - if((int)(bit_size-(8 + start_byte_position*8-bit_position%8))>0) + if((int)(bit_size-(8 + start_byte_position * 8 - bit_position % 8)) > 0) { AFB_ERROR("Error: bit_position and bit_size getting out of range"); return bit_position; } - if(bit_size<=8 && ((bit_position+bit_size)%8==bit_size || (bit_position+bit_size)%8==0)) + if(bit_size <= 8 && + ((bit_position+bit_size) % 8 == bit_size || + (bit_position+bit_size)%8==0)) { - return (uint32_t)(start_byte_position*8 + (8-bit_size)); + return (unsigned int)(start_byte_position*8 + (8-bit_size)); } else { @@ -88,7 +92,7 @@ uint32_t converter_t::bit_position_swap(uint32_t bit_position,uint32_t bit_size) start_byte_position--; bit_position = start_byte_position*8; } while (bit_size_rest>8); - return (uint32_t)(start_byte_position*8 + (8-bit_size_rest)); + return (unsigned int)(start_byte_position*8 + (8-bit_size_rest)); } - + */ } diff --git a/low-can-binding/utils/converter.hpp b/low-can-binding/utils/converter.hpp index 32c898f1..23f8ae77 100644 --- a/low-can-binding/utils/converter.hpp +++ b/low-can-binding/utils/converter.hpp @@ -29,6 +29,7 @@ class converter_t int &new_end_byte, uint8_t &new_start_bit, uint8_t &new_end_bit); - static uint32_t bit_position_swap(unsigned int bit_position, + static uint32_t bit_position_swap(unsigned int msg_length, + unsigned int bit_position, unsigned int bit_size); }; |