CMSIS_5/CMSIS/DSP/Testing/PatternGeneration/BIQUAD.py

import os.path
import numpy as np
import itertools
import Tools


# Those patterns are used for tests and benchmarks.
# For tests, there is the need to add tests for saturation



def writeTests(config):
    NBSAMPLES=512 # 512 for stereo
    NUMSTAGES = 4

    samples=np.random.randn(NBSAMPLES)
    coefs=np.random.randn(NUMSTAGES*5)

    samples = Tools.normalize(samples)
    coefs = Tools.normalize(coefs)
    

    config.writeInput(1, samples,"Samples")
    config.writeInput(1, coefs,"Coefs")

    
def generatePatterns():
    PATTERNDIR = os.path.join("Patterns","DSP","Filtering","BIQUAD","BIQUAD")
    PARAMDIR = os.path.join("Parameters","DSP","Filtering","BIQUAD","BIQUAD")
    
    configf64=Tools.Config(PATTERNDIR,PARAMDIR,"f64")
    configf32=Tools.Config(PATTERNDIR,PARAMDIR,"f32")
    configq31=Tools.Config(PATTERNDIR,PARAMDIR,"q31")
    configq15=Tools.Config(PATTERNDIR,PARAMDIR,"q15")
    #configq7=Tools.Config(PATTERNDIR,PARAMDIR,"q7")
    
    
    
    writeTests(configf32)
    writeTests(configq31)
    writeTests(configq15)
    writeTests(configf64)
    
    #writeTests(configq7)

if __name__ == '__main__':
  generatePatterns()