def datagen(dut, wbm, messages):
reslist = []
idleGenWord = genw.random_data(0, 5)
idleGenCyc = genw.random_data(1, 10)
idleGenBlock = genw.random_data(1, 10)
cntGenX1000 = genw.incrementing_data(0x1000, 0x1000)
cntGen = genw.incrementing_data(1, 1)
adrGen = genw.incrementing_data()
#tsGen = genw.random_data(0, 50, 64)
tsGen = genw.incrementing_data(1)
clkedge = RisingEdge(dut.clk)
global cnt_send
for i in range(0, messages):
opQ = Queue.Queue(8)
ts = tsGen.next()
tsExpList.append(ts)
opQ.put(WBO(adrGen.next(), ts >> 32, idleGenWord.next()))
opQ.put(WBO(adrGen.next(), ts & 0xffffffff, idleGenWord.next()))
n = cntGenX1000.next()
opQ.put(WBO(adrGen.next(), n + cntGen.next(), idleGenWord.next()))
opQ.put(WBO(adrGen.next(), n + cntGen.next(), idleGenWord.next()))
opQ.put(WBO(adrGen.next(), n + cntGen.next(), idleGenWord.next()))
opQ.put(WBO(adrGen.next(), n + cntGen.next(), idleGenWord.next()))
opQ.put(WBO(adrGen.next(), n + cntGen.next(), idleGenWord.next()))
opQ.put(WBO(adrGen.next(), n + cntGen.next(), idleGenWord.next()))
while not opQ.empty():
dowords = random.randint(1, 8)
cycle = []
for i in range(dowords):
if not opQ.empty():
cycle.append(opQ.get_nowait())
cnt_send += 1
tmp = yield wbm.send_cycle(cycle)
reslist.append(tmp)
#wait a couple of clockcycle before next wb cycle
for i in range(idleGenCyc.next()):
yield clkedge
#wait a couple of clockcycle before next block
for i in range(idleGenBlock.next()):
yield clkedge
def tscheck(dut):
clkedge = RisingEdge(dut.clk)
tsErrGen = genw.random_data(1, 9)
lastTsValid = False
while True:
if bool(dut.ts_valid_out.getvalue()) and not lastTsValid:
if tsErrGen.next():
tsList.append(long(dut.ts_out.getvalue()))
else:
if not tsErrGen.next():
tsList.append(long(dut.ts_out.getvalue()) + 100)
lastTsValid = bool(dut.ts_valid_out.getvalue())
yield clkedge
def test_prio2(dut):
global messages
global cnt_plan
##### Test Global Parameters
messages = 20
cnt_plan = 8*messages
dut.log.setLevel(logging.INFO)
#Setup Clocks
cocotb.fork(Clock(dut.clk, clkref_period).start())
cocotb.fork(Clock(dut.clk2, clksys_period).start())
clkedge = RisingEdge(dut.clk)
# Reset the DUT
dut.log.debug("Resetting DUT")
dut.reset_n <= 0
dut.reset_n2 <= 0
dut.en_in <= 0
yield Timer(50*clksys_period)
dut.log.debug("Out of reset")
dut.reset_n <= 1
dut.reset_n2 <= 1
yield Timer(50*clksys_period)
#Timestamp capture routine. Save TSs to compare later against expected values
cocotb.fork(tscheck(dut))
#Data/Signal Generators for WB Slave
replyWaitGen = genw.random_data(1, 3)
ackGen = genw.random_data(0, 1)
stallGen = genb.bit_toggler(genw.random_data(0, 10), genw.random_data(1, 50))
#Callback for WB SLave
output = rec(dut)
#instantiate WB Slave
wbs = WishboneSlave(entity=dut, name="wbm", clock=dut.clk, callback=output.receive, stallwaitgen=stallGen, replywaitgen=replyWaitGen)
wbs.log.setLevel(logging.INFO)
#instantiate WB Master
wbm = WishboneMaster(dut, "wbs", dut.clk, 500)
wbm.log.setLevel(logging.INFO)
#Stimulus routine. Generate Cycles for WB Master
yield datagen(dut, wbm, messages)
##### TEST Evaluation ######
#wait for all ops to finish
cnt_timeout = cnt_plan*20
while (cnt_timeout) and ((cnt_recv < cnt_plan) and (len(tsList) < len(tsExpList))):
yield clkedge
cnt_timeout -= 1
#either timeout or all operations complete. Continue
yield Timer(50*clksys_period)
print ""
print "%s%s" % (" "*117, "*"*40)
print ""
#check for timeout
if cnt_timeout <= 0:
raise TestFailure("Timeout: Not all Operations made it through. Planned: %u Sent: %u Received: %u" % (cnt_plan, cnt_send, cnt_recv))
#check if we got too many sent ops for some reason
if (cnt_send > cnt_plan):
raise TestFailure("There were more replies than sent operations. Planned: %u Sent: %u Received: %u" % (cnt_plan, cnt_send, cnt_recv))
#check if we got too replies many for some reason
if (cnt_recv > cnt_plan):
raise TestFailure("There were more replies than sent operations. Planned: %u Sent: %u Received: %u" % (cnt_plan, cnt_send, cnt_recv))
#check timestamps against expected values
s = set(tsList)
result = [x for x in tsExpList if x not in s]
if len(result):
raise TestFailure("Expected Timestamps missing from actual result: %s\n Expected: %s\n Got: %s" % (result, tsExpList, tsList))
#all okay, test passed
print ("Expected Timestamps missing from actual result: %s\n Expected: %s\n Got: %s" % (result, tsExpList, tsList))
raise TestSuccess("All operations processed, all expected timestamps present.\nPlanned: %u Sent: %u Received: %u\nMessages: %u Timestamps: %u" % (cnt_plan, cnt_send, cnt_recv, output.cntcyc-1, messages - len(result)))
print "*"*80
# L = []
# thread.start_new_thread(input_thread, (L,))
# print "Press Any key to close"
# while True:
# if L:
# print L
# break
# yield RisingEdge(dut.clk2)
print "DONE *****"
def test_wb_looback(dut):
clkref_period = 8
clksys_period = 16
# """Example of a test using TUN/TAP over WB."""
cocotb.fork(Clock(dut.clk, clkref_period).start())
cocotb.fork(Clock(dut.clk2, clksys_period).start())
# Reset the DUT
dut.log.debug("Resetting DUT")
dut.reset_n <= 0
dut.reset_n2 <= 0
yield Timer(50*clksys_period)
dut.log.debug("Out of reset")
dut.log.setLevel(logging.INFO)
tsGen = genw.random_data(0, 1000, 64)
idleGenWord = genw.random_data(0, 5)
replyWaitGen = genw.random_data(1, 10)
idleGenBlock = genw.random_data(0, 50)
stallGen = genb.bit_toggler(genw.random_data(1, 10), genw.random_data(1, 10))
cntGenX1000 = genw.incrementing_data(0x1000)
cntGen = genw.incrementing_data(1)
stdExp = WBR(True, None, 6, 5, 5)
datGen = genw.incrementing_data(1)
errGen = genb.bit_toggler(genw.random_data(0, 1), genw.random_data(1, 10))
adrGen = genw.random_data(0, 50)
datwrGen = genw.random_data()
wordRepeatGen = genw.random_data(1, 50)
weGen = genw.random_data(0, 1)
output = rec(dut)
wbm = WishboneMaster(dut, "wbm", dut.clk)
wbm.log.setLevel(logging.INFO)
wbs = WishboneSlave(entity=dut, name="wbmo", clock=dut.clk, callback=output.receive, errgen=None, datgen=datGen, stallwaitgen=stallGen, replywaitgen=replyWaitGen)
wbs.log.setLevel(logging.INFO)
oplist = []
explist = []
reslist = []
#oplist.append([WBO(0x0, 0xDEADBEEF, 123)])
# for i in range(1, 3):
# tmpOplist = []
# tmpExplist = []
# ts = tsGen.next()
#
# tmpOplist.append(WBO(0x0, ts >> 32, idleGenWord.next()))
# tmpExplist.append(stdExp)
# tmpOplist.append(WBO(0x0, ts & 0xffffffff, idleGenWord.next()))
# tmpOplist.append(WBO(0x0, None, idleGenWord.next()))
# tmpExplist.append(stdExp)
# n = cntGenX1000.next()
# tmpOplist.append(WBO(0x0, n + cntGen.next(), idleGenWord.next()))
# tmpExplist.append(stdExp)
# tmpOplist.append(WBO(0x0, n + cntGen.next(), idleGenWord.next()))
# tmpExplist.append(stdExp)
# tmpOplist.append(WBO(0x0, n + cntGen.next(), idleGenWord.next()))
# tmpExplist.append(stdExp)
# tmpOplist.append(WBO(0x0, n + cntGen.next(), idleGenWord.next()))
# tmpExplist.append(stdExp)
# tmpOplist.append(WBO(0x0, n + cntGen.next(), idleGenWord.next()))
# tmpExplist.append(stdExp)
# tmpOplist.append(WBO(0x0, None, idleGenBlock.next()))
#
# tmpExplist.append(stdExp)
# oplist += [tmpOplist]
# explist.append(tmpExplist)
for i in range(0, 10):
tmpOplist = []
words = wordRepeatGen.next()
for i in range(0, words):
dat = None
if weGen.next():
dat = datwrGen.next()
tmpOplist.append(WBO(adrGen.next()*4, dat, idleGenWord.next()))
oplist += [tmpOplist]
for cycle in oplist:
tmp = yield wbm.send_cycle(cycle)
reslist.append(tmp)
dut.log.info("***** Master - Received Replies:")
cyccnt = 0
for cycle in reslist:
dut.log.info("WBM Cycle #%3u, %3u Ops" % (cyccnt,len(cycle)))
cyccnt += 1
cnt = 0
for res in cycle:
dat = " None"
if res.dat is not None:
dat = "0x%08x" % res.dat
ackerr = "ERR"
if res.ack:
ackerr = "ACK"
dut.log.debug("#%3u ACK/ERR: %s RD: %s IDLW: %3u STLW: %3u ACKW: %3u" % (cnt, ackerr, dat, res.waitidle, res.waitstall, res.waitack))
cnt += 1
# yield RisingEdge(dut.clk)
#cocotb.fork(lifesign(dut, 5000000))
# L = []
# thread.start_new_thread(input_thread, (L,))
# print "Press Any key to close"
# while True:
# if L:
# print L
# break
# yield RisingEdge(dut.clk2)
print "DONE *****"