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4 changed files with 124 additions and 93 deletions

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@ -0,0 +1,26 @@
import time
import uldaq
from IPython import embed
from pyrelacs.repros.repos import MccDac
from pyrelacs.util.logging import config_logging
import numpy as np
log = config_logging()
class Attenuator(MccDac):
def __init__(self) -> None:
super().__init__()
if __name__ == "__main__":
SAMPLERATE = 40_000.0
DURATION = 5
AMPLITUDE = 1
SINFREQ = 1
att = Attenuator()
# att.set_attenuation_level(db_channel1=5, db_channel2=5)
att.check_attenuator()

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@ -1,14 +1,18 @@
import ctypes
import faulthandler
import time
import uldaq
from IPython import embed
from pyrelacs.repros.repos import MccDac
from pyrelacs.util.logging import config_logging
import numpy as np
import matplotlib.pyplot as plt
from pyrelacs.repros.mccdac import MccDac
from pyrelacs.util.logging import config_logging
log = config_logging()
faulthandler.enable()
class Calibration(MccDac):
@ -17,11 +21,11 @@ class Calibration(MccDac):
def run_calibration(self):
# Stimulus
time = np.arange(0, DURATION, 1 / SAMPLERATE)
data = AMPLITUDE * np.sin(2 * np.pi * SINFREQ * time)
t = np.arange(0, DURATION, 1 / SAMPLERATE)
data = AMPLITUDE * np.sin(2 * np.pi * SINFREQ * t)
# sending stimulus
stim, ao_device = self.write_analog_dac(
self.write_analog(
data, [0, 0], SAMPLERATE, ScanOption=uldaq.ScanOption.EXTTRIGGER
)
@ -29,23 +33,66 @@ class Calibration(MccDac):
# [0, 1], DURATION, SAMPLERATE, ScanOption=uldaq.ScanOption.EXTTRIGGER
# )
# trigger the 0 channel to start the aqcuisition
self.write_bit(channel=0, bit=1)
self.diggital_trigger()
try:
ao_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, 15)
self.ao_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, 15)
except uldaq.ul_exception.ULException:
log.debug("Operation timed out")
# reset the diggital trigger
self.write_bit(channel=0, bit=0)
self.disconnect_dac()
self.connect_dac()
time.sleep(1)
self.set_analog_to_zero()
def check_amplitude(self):
# write to ananlog 1
t = np.arange(0, DURATION, 1 / SAMPLERATE)
data = AMPLITUDE * np.sin(2 * np.pi * SINFREQ * t)
# sending stimulus
log.debug(f"{data}, {data.shape}")
# self.set_attenuation_level(db_channel1=0.0, db_channel2=0.0)
# self.set_analog_to_zero()
# time.sleep(1)
log.debug(self.ao_device)
embed()
exit()
self.write_analog(
data,
[1, 1],
SAMPLERATE,
ScanOption=uldaq.ScanOption.EXTTRIGGER,
)
# data_channel_one = self.read_analog(
# [0, 0], DURATION, SAMPLERATE, ScanOption=uldaq.ScanOption.EXTTRIGGER
# )
log.debug(self.ao_device)
time.sleep(1)
self.diggital_trigger()
try:
self.ao_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, 15)
self.write_bit(channel=0, bit=0)
time.sleep(1)
self.set_analog_to_zero()
except uldaq.ul_exception.ULException:
log.debug("Operation timed out")
# reset the diggital trigger
self.write_bit(channel=0, bit=0)
time.sleep(1)
self.set_analog_to_zero()
self.disconnect_dac()
embed()
exit()
if __name__ == "__main__":
SAMPLERATE = 40_000.0
DURATION = 10
DURATION = 5
AMPLITUDE = 1
SINFREQ = 100
SINFREQ = 10
daq_input = Calibration()
# daq_input.run_calibration()
daq_input.check_attenuator()

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@ -1,6 +1,7 @@
from ctypes import Array, c_double
import time
from typing import Union
from IPython import embed
import numpy.typing as npt
import uldaq
@ -25,6 +26,10 @@ class MccDac:
self.dio_device = self.daq_device.get_dio_device()
log.debug("Connected")
# log.debug("Activate Attenuator")
# self.set_attenuation_level(db_channel1=0.0, db_channel2=0.0)
# self.set_analog_to_zero()
def connect_dac(self):
devices = uldaq.get_daq_device_inventory(uldaq.InterfaceType.USB)
log.debug(f"Found daq devices {len(devices)}, connecting to the first one")
@ -38,7 +43,7 @@ class MccDac:
self.dio_device = self.daq_device.get_dio_device()
log.debug("Connected")
def read_analog_daq(
def read_analog(
self,
channels: list[int],
duration: int,
@ -72,7 +77,7 @@ class MccDac:
return data_analog_input
def write_analog_dac(
def write_analog(
self,
data: Union[list, npt.NDArray],
channels: list[int],
@ -81,48 +86,16 @@ class MccDac:
ScanOption: uldaq.ScanOption = uldaq.ScanOption.DEFAULTIO,
AOutScanFlag: uldaq.AOutScanFlag = uldaq.AOutScanFlag.DEFAULT,
):
"""
Parameters
----------
data : Union[list, npt.NDArray]
channels : list[int]
duration : int
samplerate : float
AiInputMode : uldaq.AiInputMode
Range : uldaq.Range
ScanOption : uldaq.ScanOption
AInScanFlag : uldaq.AOutScanFlag
Returns
-------
Array[c_double]
ao_device
"""
assert len(channels) == 2, log.error("You can only provide two channels [0, 1]")
if channels[0] != channels[1]:
buffer_len_channels = 2
else:
buffer_len_channels = 1
log.debug(f"{len(data)}, {type(data)}")
buffer = c_double * (len(data) * buffer_len_channels)
assert len(data) != len(data) * buffer_len_channels, log.error(
"Data must be duplicated for both channels data[len(data_channel) + len(data_channel1)]..."
)
buffer = c_double * len(data)
data_analog_output = buffer(*data)
log.debug(f"Created C_double data {data_analog_output}")
try:
log.info(self.ao_device)
err = self.ao_device.a_out_scan(
channels[0],
channels[1],
@ -133,14 +106,12 @@ class MccDac:
AOutScanFlag,
data_analog_output,
)
except Exception as e:
print(f"{e}")
self.set_analog_to_zero()
self.disconnect_dac()
# ao_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, 11)
return data_analog_output, self.ao_device
# self.diggital_trigger()
# self.ao_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, 11)
# except Exception as e:
# print(f"{e}")
# self.set_analog_to_zero()
# self.disconnect_dac()
def set_analog_to_zero(self, channels: list[int] = [0, 1]):
try:
@ -159,15 +130,18 @@ class MccDac:
log.error("disconnection dac")
self.disconnect_dac()
def diggital_trigger(self) -> None:
if not self.read_bit(channel=0):
self.write_bit(channel=0, bit=1)
def diggital_trigger(self, channel: int = 0) -> None:
bit_channel = self.read_bit(channel)
log.debug(bit_channel)
if not bit_channel:
self.write_bit(channel, 1)
else:
self.write_bit(channel=0, bit=0)
time.time_ns()
self.write_bit(channel=0, bit=1)
self.write_bit(channel, 0)
time.sleep(1)
self.write_bit(channel, 1)
def write_bit(self, channel: int = 0, bit: int = 1) -> None:
log.debug(self.dio_device)
self.dio_device.d_config_bit(
uldaq.DigitalPortType.AUXPORT, channel, uldaq.DigitalDirection.OUTPUT
)
@ -176,6 +150,7 @@ class MccDac:
)
def read_bit(self, channel: int = 0):
log.debug(self.dio_device)
bit = self.dio_device.d_bit_in(uldaq.DigitalPortType.AUXPORT, channel)
return bit
@ -209,14 +184,6 @@ class MccDac:
)
return data_digital_input
def write_byte(self, channel: int, byte: list[int]):
self.dio_device.d_config_bit(
uldaq.DigitalPortType.AUXPORT, channel, uldaq.DigitalDirection.OUTPUT
)
for bit in byte:
self.dio_device.d_bit_out(uldaq.DigitalPortType.AUXPORT, channel, bit)
time.sleep(1)
def disconnect_dac(self):
self.daq_device.disconnect()
self.daq_device.release()

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@ -13,22 +13,13 @@ log = config_logging()
class Output_daq(MccDac):
def __init__(self) -> None:
super().__init__()
# devices = uldaq.get_daq_device_inventory(uldaq.InterfaceType.USB)
# self.daq_device = uldaq.DaqDevice(devices[0])
# self.daq_device.connect()
def write_daq(self):
log.debug("running repro")
time = np.arange(0, 10, 1 / 30_000.0)
data = 2 * np.sin(2 * np.pi * 1 * time)
self.send_analog_dac(
data, [0, 0], 30_000, ScanOption=uldaq.ScanOption.EXTTRIGGER
)
def trigger(self):
self.digital_trigger(1)
self.daq_device.disconnect()
self.daq_device.release()
data = 1 * np.sin(2 * np.pi * 1 * time)
self.write_analog(data, [0, 0], 30_000, ScanOption=uldaq.ScanOption.EXTTRIGGER)
self.diggital_trigger()
if __name__ == "__main__":