VR10AscToSLn
V = Variables
R = Reading functions
ASCII —→ SIGNED WORD
The VR10AscToSLn functions converts an Ascii variable type in an Signed Long type (long with sign).
IMPLEMENTATION
VR10AscToSLn (array, index, return, errcode)
Parameters:
| IN/OUT | VARIABLE TYPE | EXAMPLE NAME | DIM | |
|---|---|---|---|---|
| IN | ARRGBL | array | B | Array contenente il dato da convertire (must be declared with at least “index + 7” elements) |
| IN | GLOBAL | index | L | Index of the array element at the beginning of the data |
| OUT | GLOBAL | return | L | Data value converted |
| OUT | GLOBAL | errcode | F | Variable that indicates a possible error on the function |
Errcode
After calling the function, 'errcode' can take certain values, the meaning of these values is summarized below:
0: No error
1: Error: ASCII value is not within 48÷57 or 65÷70
Example
Transforms the Ascii value 4BC1A0 h in an signed long value
index = 1 array[1] = 48 array[2] = 48 array[3] = 52 array[4] = 66 array[5] = 67 array[6] = 49 array[7] = 65 array[8] = 48 VR10AscToSLn (array, index, return, errcode) ;On the return data you will find : ; return = 4964768