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})
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 #
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,
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)
