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esp32-s2_dfu
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Code Issues Releases Activity

USBTMC: Minor updates to testing script.

This commit is contained in:
Nathan Conrad 2019-09-25 12:18:10 -04:00
parent 3a87dd65d7
commit 6c6a01cbcd
1 changed files with 17 additions and 8 deletions
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25
examples/device/usbtmc/visaQuery.py
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@ -11,6 +11,7 @@ def test_idn():
def test_echo(m,n):
longstr = "0123456789abcdefghijklmnopqrstuvwxyz" * 50
t0 = time.monotonic()
#Next try echo from 1 to 175 characters (200 is max buffer size on DUT)
for i in range(m,n):
@ -22,7 +23,9 @@ def test_echo(m,n):
#print (":".join("{:02x}".format(ord(c)) for c in xt))
#print (":".join("{:02x}".format(ord(c)) for c in y))
assert(xt == y), f"failed i={i}"
inst.read_stb();# Just to make USB logging easier by sending a control query
#inst.read_stb();# Just to make USB logging easier by sending a control query (bad thing is that this made things slow)
t = time.monotonic() - t0
print(f" elapsed: {t:0.3} sec")
def test_trig():
# clear SRQ
@ -70,13 +73,13 @@ def test_read_timeout():
inst.read_stb()
assert (inst.read_stb() == 0)
inst.write("delay 500")
t0 = time.time()
t0 = time.monotonic()
try:
rsp = inst.read()
assert(false), "Read should have resulted in timeout"
except visa.VisaIOError:
print("Got expected exception")
t = time.time() - t0
print(" Got expected exception")
t = time.monotonic() - t0
assert ((t*1000.0) > (inst.timeout - 300))
assert ((t*1000.0) < (inst.timeout + 300))
print(f"Delay was {t:0.3}")
@ -92,16 +95,16 @@ def test_abort_in():
assert (inst.read_stb() == 0)
inst.write("delay 500")
inst.write("xxx")
t0 = time.time()
t0 = time.monotonic()
try:
rsp = inst.read()
assert(false), "Read should have resulted in timeout"
except visa.VisaIOError:
print("Got expected exception")
t = time.time() - t0
print(" Got expected exception")
t = time.monotonic() - t0
assert ((t*1000.0) > (inst.timeout - 300))
assert ((t*1000.0) < (inst.timeout + 300))
print(f"Delay was {t:0.3}")
print(f" Delay was {t:0.3}")
# Response is still in queue, so send a clear (to be more helpful to the next test)
inst.timeout = 800
y = inst.read()
@ -180,5 +183,11 @@ test_indicate()
print("+ TRIG")
test_trig()
# Untested:
# abort bulk out
# LLO, GTL, etc
# Throughput rate?
# Transmitting a message using multiple transfers
inst.close()
print("Test complete")