class SaleaeDump:
_connection = Saleae
def __init__(self, captures_folder):
self._captures_folder = captures_folder
def set_up_once(self):
self._connection = Saleae()
self._connection.set_capture_seconds(90)
def set_up(self, **kwargs):
self._connection.capture_start()
sleep(0.5)
def tear_down(self, test_id, **kwargs):
sleep(1)
self._connection.capture_stop()
if not path.exists(self._captures_folder):
os.makedirs(self._captures_folder)
output_file = path.join(self._captures_folder, '%s.logicdata' % test_id)
self._connection.save_to_file(output_file)
def tear_down_once(self):
pass
class SaleaeDump:
_connection = Saleae
def __init__(self, captures_folder):
self._captures_folder = captures_folder
def set_up_once(self):
self._connection = Saleae()
self._connection.set_capture_seconds(300)
def set_up(self, **kwargs):
self._connection.capture_start()
sleep(0.5)
def tear_down(self, test_id, **kwargs):
sleep(1)
self._connection.capture_stop()
if not path.exists(self._captures_folder):
os.makedirs(self._captures_folder)
output_file = path.join(self._captures_folder,
'%s.logicdata' % test_id)
self._connection.save_to_file(output_file)
def tear_down_once(self):
pass
def set_up_once(self):
self._connection = Saleae()
self._connection.set_capture_seconds(300)
def save_data(log: Saleae) -> None:
log.export_data2(WAVEFORM_FILE)
sleep(3)
def configure_logic(log: Saleae) -> None:
log.set_capture_seconds(1024)
log.capture_start()
sleep(5)
def connect_logic() -> Saleae:
logic_ = Saleae(quiet=True)
return logic_
def capture_self_report(digital_channels, analog_channels, trigger_channel,
trigger_type, capture_time, tx_rate):
if os.path.exists(filename):
os.remove(filename)
s = Saleae(host='localhost', port=10429)
if s.is_logic_running():
try:
s.close_all_tabs()
except s.CommandNAKedError:
print("Close tabs command failed")
s.capture_stop()
return False
s.set_performance(PerformanceOption.Full)
devs = s.get_connected_devices()
if len(devs) >= 1:
print("Found {} logic analyzers".format(len(devs)))
if len(devs) > 1:
# Select first device found, this could change in the future or may not be needed at all
s.select_active_device(0)
s.set_active_channels(digital_channels, analog_channels)
reset_all_triggers(s, digital_channels)
if trigger_channel > 0:
s.set_trigger_one_channel(trigger_channel,
trigger_type) # 1, Trigger.Negedge
# s.set_num_samples(50000000)
s.set_capture_seconds(capture_time) # 11
s.set_capture_pretrigger_buffer_size(10000)
rates = s.get_all_sample_rates()
# print("Rates: {}".format(rates))
for tup in rates:
if tup[1] == tx_rate:
s.set_sample_rate(tup)
break
s.capture_start()
start = time.time()
while True:
time.sleep(.5)
if s.is_processing_complete():
print("Processing complete")
break
if time.time() > start + 11:
s.capture_stop()
raise TimeoutError
try:
s.get_capture_range()
except ValueError:
pass
except s.CommandNAKedError:
return False
time.sleep(.5)
print("Exporting data to csv")
s.export_data2(filename, analog_channels=analog_channels)
while not s.is_processing_complete():
print("Waiting for export")
time.sleep(5)
if os.path.exists(filename):
return True
else:
return False
else:
print("Failed to detect logic analyzer.")
raise ConnectionError
def init_saleae():
sal = Saleae()
analyzers = sal.get_analyzers()
log.info(f"Saleae analyzers: {analyzers}")
return sal
def set_up_once(self):
self._connection = Saleae()
self._connection.set_capture_seconds(90)