diff options
| author |   Romain Forlot <romain.forlot@iot.bzh> | 2020-01-07 19:33:11 +0100 |
|---|---|---|
| committer | Romain Forlot <romain.forlot@iot.bzh> | 2020-01-09 16:26:18 +0100 |
| commit | 252d47fb4c0d3a69d3fffdf08213e771d61fcad1 (patch) | |
| tree | d7597f2d255e16837e3cd84c7bdd3c87e2e8d0ad /low-can-binding/utils/converter.cpp | |
| parent | 8c27aef5cb195d0f62ea715fc9b1be1c5868d496 (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/utils/converter.cpp')
| -rw-r--r-- | low-can-binding/utils/converter.cpp | 32 |
1 files changed, 1 insertions, 31 deletions
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; -} +}
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