X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=low-can-binding%2Futils%2Fconverter.cpp;h=4c0a3a893ec07ad907f104df5af635a7df0ebf78;hb=9e23caa4c56259044604c38f107f7c637001b846;hp=fad1775721c21ba175822053f2037dac046714bc;hpb=c0c44da0caba438d0b5445e0c15b511170d37eac;p=apps%2Fagl-service-can-low-level.git diff --git a/low-can-binding/utils/converter.cpp b/low-can-binding/utils/converter.cpp index fad17757..4c0a3a89 100644 --- a/low-can-binding/utils/converter.cpp +++ b/low-can-binding/utils/converter.cpp @@ -19,24 +19,41 @@ #include #include #include +#include /** - * @brief Convert hex data to string + * @brief Convert data to hex string * * @param data An array of data * @param length The length of the data - * @return std::string The string data + * @return std::string The hex string */ std::string converter_t::to_hex(const uint8_t data[], const size_t length) { std::stringstream stream; stream << std::hex << std::setfill('0'); + stream << "0x"; for(int i = 0; i < length; i++) - stream << std::hex << ((int) data[i]); + stream << std::setfill('0') << std::setw(2) << std::hex << ((int) data[i]); return stream.str(); } +/** + * @brief Convert data to ascii string + * + * @param data An array of data + * @param length The length of the data + * @return std::string The ascii string + */ +std::string converter_t::to_ascii(const uint8_t data[], const size_t length) +{ + std::stringstream stream; + for(int i = 0; i < length; i++) + stream << ((char) data[i]); + return stream.str(); +} + /** * @brief Translate bit_position and bit_size * @@ -51,44 +68,7 @@ std::string converter_t::to_hex(const uint8_t data[], const size_t length) void converter_t::signal_to_bits_bytes(unsigned int bit_position, unsigned int bit_size, int &new_start_byte, int &new_end_byte, uint8_t &new_start_bit, uint8_t &new_end_bit) { new_start_byte = bit_position >> 3; - new_start_bit = bit_position % 8; + new_start_bit = bit_position % CHAR_BIT; new_end_byte = (bit_position + bit_size - 1) >> 3; - new_end_bit = (bit_position + bit_size - 1) % 8; -} - - -/** - * @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 bit_position Original bit position. - * @param bit_size Size of the data. - * @return uint32_t New little endian bit position. - */ -uint32_t converter_t::bit_position_swap(uint32_t bit_position,uint32_t bit_size) -{ - uint32_t start_byte_position = (uint32_t)(bit_position/8); - uint32_t bit_size_rest = bit_size; - - 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)) - { - return (uint32_t)(start_byte_position*8 + (8-bit_size)); - } - else - { - do - { - bit_size_rest = bit_size_rest - ((start_byte_position+1)*8-bit_position); - 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)); - } - -} + new_end_bit = (bit_position + bit_size - 1) % CHAR_BIT; +} \ No newline at end of file