Python genCRC 예제들

예제 #1

파일: generateTask.py 프로젝트: lynnieana/autosub

last = genDegree

for i in range(0, last + 1):

    if (i == last) and (generator[i] == "1"):
        generatorString.append("1")
    elif (i == last - 1) and (generator[i] == "1"):
        generatorString.append("x")
    elif (generator[i] == "1"):
        generatorString.append("x^{" + str(last - i) + "}")

generatorString = "+".join(generatorString)
clockCycles = msgLen + 3  #clock cycles after which CRC has to be valid

exampleMSG = Bits(uint=randrange(0, 2**msgLen), length=msgLen).bin
exampleCRC = genCRC(exampleMSG, generator)

###########################################
# SET PARAMETERS FOR DESCRIPTION TEMPLATE #
###########################################
paramsDesc.update({
    "CRCWIDTH": str(genDegree),
    "GENSTRING": generatorString,
    "MSGLEN": str(msgLen),
    "GENDEG": str(genDegree),
    "GENBIN": "".join(generator),
    "CLOCKCYCLES": clockCycles,
    "EXAMPLEMSG": exampleMSG,
    "EXAMPLECRC": exampleCRC
})
paramsDesc.update({"TASKNR": str(taskNr), "SUBMISSIONEMAIL": submissionEmail})

예제 #2

파일: generateTestBench.py 프로젝트: andipla/autosub

msgLen, genDegree, generator = taskParameters.split('|')
crcWidth=len(generator)-1
msgLen=int(msgLen)

#print(str(msgLen)+" "+str(genDegree)+" " +str(generator)+" "+genString)


##########################################
######## GENERATE THE TESTVECTORS ########
##########################################
numVectors = randrange(10,20);
testVectors=[]

for i in range(0,numVectors):
    msg= Bits(uint=randrange(0,2**msgLen),length=msgLen).bin;
    crc= genCRC(msg,generator)

    testVectors.append('("{0}","{1}")'.format(msg,crc))

for i in range(numVectors-1):
    testVectors[i]+=","

testPattern=("\n"+12*" ").join(testVectors) #format and join

##########################################
## SET PARAMETERS FOR TESTBENCH TEMPLATE # 
##########################################
params.update({"CRCWIDTH":crcWidth,"MSGLEN":msgLen,"TESTPATTERN":testPattern})

############################
## FILL TESTBENCH TEMPLATE #

예제 #3

파일: generateTestBench.py 프로젝트: somulu/VHDL_Tasks

msgLen, genDegree, generator = taskParameters.split('|')
crcWidth = len(generator) - 1
msgLen = int(msgLen)

#print(str(msgLen)+" "+str(genDegree)+" " +str(generator)+" "+genString)

##########################################
######## GENERATE THE TESTVECTORS ########
##########################################
numVectors = randrange(10, 20)
testVectors = []

for i in range(0, numVectors):
    msg = Bits(uint=randrange(0, 2**msgLen), length=msgLen).bin
    crc = genCRC(msg, generator)

    testVectors.append('("{0}","{1}")'.format(msg, crc))

for i in range(numVectors - 1):
    testVectors[i] += ","

testPattern = ("\n" + 12 * " ").join(testVectors)  #format and join

##########################################
## SET PARAMETERS FOR TESTBENCH TEMPLATE #
##########################################
params.update({
    "CRCWIDTH": crcWidth,
    "MSGLEN": msgLen,
    "TESTPATTERN": testPattern,

예제 #4

파일: generateTask.py 프로젝트: andipla/autosub

last=genDegree

for i in range(0,last+1):

    if (i==last) and (generator[i]=="1"):
        generatorString.append("1")
    elif (i==last-1) and (generator[i]=="1"):
        generatorString.append("x")
    elif (generator[i]=="1") :
        generatorString.append("x^{"+str(last-i)+"}")

generatorString= "+".join(generatorString)
clockCycles=msgLen+3 #clock cycles after which CRC has to be valid

exampleMSG=Bits(uint=randrange(0,2**msgLen),length=msgLen).bin
exampleCRC=genCRC(exampleMSG,generator)

###########################################
# SET PARAMETERS FOR DESCRIPTION TEMPLATE # 
###########################################
paramsDesc.update({"CRCWIDTH":str(genDegree),"GENSTRING":generatorString,"MSGLEN":str(msgLen),"GENDEG":str(genDegree),"GENBIN":"".join(generator),"CLOCKCYCLES":clockCycles,"EXAMPLEMSG":exampleMSG,"EXAMPLECRC":exampleCRC})
paramsDesc.update({"TASKNR":str(taskNr),"SUBMISSIONEMAIL":submissionEmail})

#############################
# FILL DESCRIPTION TEMPLATE #
#############################
filename ="templates/task_description_template.tex"
with open (filename, "r") as template_file:
    data=template_file.read()

filename ="tmp/desc_{0}_Task{1}.tex".format(userId,taskNr)