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Conversion characters to string

 
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chandrshekar411



Joined: 14 Feb 2013
Posts: 9

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Conversion characters to string
PostPosted: Wed Feb 27, 2013 10:58 pm     Reply with quote
I have the data like
the characters are stored in array
and data_arr() is the array name
Code:

data_arr[0]='1';// char 1
data_arr[1]='2';// char 2
data_arr[2]='.; // char . i.e decimal
data_arr[3]='3'; // char 3

I have to convert this to a float value
like float n=12.3
How can I convert characters to float value?
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Feb 27, 2013 11:30 pm     Reply with quote
Look at the atof() function in the CCS manual. This function requires a
string as the input, so your ascii float array must have a 0x00 byte at
the end of the numbers. This makes it into a C string. Example:
Code:
data_arr[4]=0x00;
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