Decimal to Q15 format

Function that converts decimal value to Q15 format.

Description

y = dec2q15( x , form )

Function that works with any decimal value (beacuse of saturation using). Available representation of Q15 format are binary or hexadecimal.

Input arguments of function:
x - decimal integer
form - form - dependent on representation of input argument (hexadecimal or binary) take 'hex' or 'bin'

Valu of function:
y - its hexadecimal or binary representation stored in a MATLAB string

EXAMPLE:
>> dec2q15(0.125,'hex')

ans =

1000

>> dec2q15(0.125,'bin')

ans =

0001000000000000

>> dec2q15(-0.775,'hex')

ans =

9ccd

>> dec2q15(-0.775,'bin')

ans =

1001110011001101

• MATLAB release: MATLAB 7.5 (R2007b)
• Other requirements: non

[saroja siddamal]