Sam Grove / atoh

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Dependents:   Nucleo_read_hyperterminale

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atoh.cpp File Reference
Functions

atoh.cpp File Reference

Convert an ASCII hex string to hexadecimal - seems like the std library should include this... More...

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Functions

template<typename T >
T atoh (char const *string)
 Convert a hex formatted ASCII string to it's binary equivenent.

Detailed Description

Convert an ASCII hex string to hexadecimal - seems like the std library should include this...

maybe it does. Just couldn't find it

Author:
sam grove
Version:
1.0

Copyright (c) 2013

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Definition in file atoh.cpp.

Function Documentation

T atoh ( char const *  string )

Convert a hex formatted ASCII string to it's binary equivenent.

Example: 

  #include "mbed.h"
  #include "atoh.h"
 
  int main()
  {
      uint64_t result = atoh <uint64_t> ("0123456789abcdef" );
      uint32_t lo = result & 0x00000000ffffffff;
      uint32_t hi = (result >> 32);
      printf( "0x%08X%08X\n", hi, lo );
      printf( "0x%08X\n", atoh <uint32_t> ( "12345678" ) );
      printf( "0x%04X\n", atoh <uint16_t> ( "1234" ) );
      printf( "0x%02X\n", atoh <uint8_t> ( "12" ) );
  }

A templated method for ascii to hex conversions. Supported types are: uint8_t, uint16_t, uint32_t and uint64_t

Parameters:
string- An ascii string of hex digits
Returns:
The binary equivelant of the string

Definition at line 26 of file atoh.cpp.

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