summaryrefslogtreecommitdiffstats
path: root/low-can-binding
diff options
context:
space:
mode:
authorRomain Forlot <romain.forlot@iot.bzh>2020-01-07 19:33:11 +0100
committerRomain Forlot <romain.forlot@iot.bzh>2020-01-09 16:26:18 +0100
commit252d47fb4c0d3a69d3fffdf08213e771d61fcad1 (patch)
treed7597f2d255e16837e3cd84c7bdd3c87e2e8d0ad /low-can-binding
parent8c27aef5cb195d0f62ea715fc9b1be1c5868d496 (diff)
message: move bit position flag and action
Separate some define to be in a dedicated header file that will be installed on the system. Then the low-can-generator could use it instead of having to copy those defines in the generator code. Change-Id: I1716c8b20f0811ca4ac1e8f13609f05ad7d24d1f Signed-off-by: Arthur Guyader <arthur.guyader@iot.bzh> Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'low-can-binding')
-rw-r--r--low-can-binding/can/can-decoder.cpp11
-rw-r--r--low-can-binding/can/message/message.hpp23
-rw-r--r--low-can-binding/utils/converter.cpp32
-rw-r--r--low-can-binding/utils/converter.hpp6
4 files changed, 2 insertions, 70 deletions
diff --git a/low-can-binding/can/can-decoder.cpp b/low-can-binding/can/can-decoder.cpp
index 7221d716..5fe22541 100644
--- a/low-can-binding/can/can-decoder.cpp
+++ b/low-can-binding/can/can-decoder.cpp
@@ -398,17 +398,6 @@ openxc_DynamicField decoder_t::translate_signal(signal_t& signal, std::shared_pt
///
openxc_DynamicField decoder_t::decode_signal( signal_t& signal, std::shared_ptr<message_t> message, bool* send)
{
-
-
- if(signal.get_message()->get_flags() & CONTINENTAL_BIT_POSITION)
- signal.set_bit_position(converter_t::continental_bit_position_mess(message->get_length(),
- signal.get_bit_position(),
- signal.get_bit_size()));
- if(signal.get_message()->get_flags() & BIT_POSITION_REVERSED)
- signal.set_bit_position(converter_t::bit_position_swap(message->get_length(),
- signal.get_bit_position(),
- signal.get_bit_size()));
-
signal_decoder decoder = signal.get_decoder() == nullptr ?
decode_noop : signal.get_decoder();
diff --git a/low-can-binding/can/message/message.hpp b/low-can-binding/can/message/message.hpp
index b77ce8bd..6416bcfb 100644
--- a/low-can-binding/can/message/message.hpp
+++ b/low-can-binding/can/message/message.hpp
@@ -24,28 +24,7 @@
#include <memory>
#include <linux/can.h>
#include <linux/can/bcm.h>
-#include "../../utils/timer.hpp"
-
-#define CAN_MESSAGE_SIZE 8
-
-#define MAX_BCM_CAN_FRAMES 257
-#define MAX_ISOTP_FRAMES 4096
-
-
-/**
- * FLAGS
- */
-#define CAN_PROTOCOL 0x0001
-#define CAN_PROTOCOL_WITH_FD_FRAME 0x0002
-#define J1939_ADDR_CLAIM_PROTOCOL 0x0004
-#define J1939_PROTOCOL 0x0008
-#define ISOTP_PROTOCOL 0x0010
-#define ISOTP_SEND 0x0020
-#define ISOTP_RECEIVE 0x0040
-#define BYTE_FRAME_IS_BIG_ENDIAN 0x0080
-#define BIT_POSITION_REVERSED 0x0100
-#define CONTINENTAL_BIT_POSITION 0x0200
-#define INVALID_FLAG 0x8000
+#include <low-can/can-message.hpp>
/// @class message_t
///
diff --git a/low-can-binding/utils/converter.cpp b/low-can-binding/utils/converter.cpp
index 56f3a449..4c0a3a89 100644
--- a/low-can-binding/utils/converter.cpp
+++ b/low-can-binding/utils/converter.cpp
@@ -71,34 +71,4 @@ void converter_t::signal_to_bits_bytes(unsigned int bit_position, unsigned int b
new_start_bit = bit_position % CHAR_BIT;
new_end_byte = (bit_position + bit_size - 1) >> 3;
new_end_bit = (bit_position + bit_size - 1) % CHAR_BIT;
-}
-
-
-/**
- * @brief This is to use when you have a big endian CAN frame layout.
- * It converts the bit position so it matches with little endiant CAN frame layout.
- *
- * @param msg_length Message length in bytes.
- * @param bit_position Original bit position.
- * @param bit_size Size of the data.
- * @return uint32_t New bit position.
- */
-uint32_t converter_t::bit_position_swap(unsigned int msg_length, unsigned int bit_position, unsigned int bit_size)
-{
- return (msg_length * CHAR_BIT) - bit_position - bit_size;
-}
-
-/**
- * @brief This allow to get the correct bit_position using the weird Continental.
- * bit numbering method where the Frame is read using little endianness
- * and bit count using a big endianness
- *
- * @param msg_length Message length in bytes.
- * @param bit_position Original bit position.
- * @param bit_size Size of the data.
- * @return uint32_t New bit position.
- */
-uint32_t converter_t::continental_bit_position_mess(unsigned int msg_length, unsigned int bit_position, unsigned int bit_size)
-{
- return bit_position + CHAR_BIT - 2 * (bit_position % CHAR_BIT) - bit_size;
-}
+} \ No newline at end of file
diff --git a/low-can-binding/utils/converter.hpp b/low-can-binding/utils/converter.hpp
index e8a40f5b..1e6ecc18 100644
--- a/low-can-binding/utils/converter.hpp
+++ b/low-can-binding/utils/converter.hpp
@@ -30,10 +30,4 @@ 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 msg_length,
- unsigned int bit_position,
- unsigned int bit_size);
- static uint32_t continental_bit_position_mess(unsigned int msg_length,
- unsigned int bit_position,
- unsigned int bit_size);
};