finding ascii value

[Sreedhar_T]

Hi All,

Although I think this is a silly question, I would still like to know how can I find the ascii value of a particular character entered in a string control.

e.g. the Ascii value for 0 is 48, a is 97 and A is 65

Thanks in advance.

[chilly_charly]

Here you are

The type Cast function can be found in the "Advanced > Data manipulation" subpalette

Message Edité par chilly charly le 12-27-2005 10:02 AM

[Sreedhar_T]

Hi CC,

I tried doing the same, but I couldn't get the proper answer. Find attached the vi.

[devchander]

Sreedar,

You have represented type as I32, change it to U8

Regards

Dev

[chilly_charly]

Just change the representation of your constant to a U8 since the ASCII value is coded on a single byte. Otherwise LV pads the additionnal bytes with zeroes, leading to a wrong value

[Sreedhar_T]

Thanks Dev and CC for your help.

[Anu]

Hi CC

What is the major advantage in using type cast for any string to ASCII U8.Other than Using thiz LV function

Converts a string into an array of unsigned bytes. Each byte in the array has the ASCII value of the corresponding character in the string.

[devchander]

Hi,

There is no  'Major Advantage' as such, of using 'type cast' over 'string to byte array' function.

The requirement in this case was to display a single string's ascii equivalent, hence typecast( which only converts first element in the string) was used.

If finding the 'Ascii equivalent' of a each element in a set of string characters was the requirement, then 'string to byte array' function would be a better choice.

regards

Dev

[becktho]

Hi guys

I'd use the "string to byte array" function, because I think it is not such a good coding, if you cast a string to a single U8. If you could enter a single character - ok, but as this is not provided, I'd suggest to use the mentioned function.

Thomas

[chilly_charly]

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becktho a écrit: ...it is not such a good coding, if you cast a string to a single U8. If you could enter a single character - ok, but as this is not provided...

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I'm curious. Is there a technical reason behind, or is this just a personal opinion ?..