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7 changed files with 188 additions and 156 deletions

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@ -19,7 +19,6 @@ from IPython import embed
import numpy as np
from pyrelacs.util.logging import config_logging
from pyrelacs.daq_thread import Worker
log = config_logging()

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@ -1,78 +0,0 @@
import traceback
import sys
from PyQt6.QtCore import QRunnable, pyqtSignal, pyqtSlot, QObject
from pyrelacs.util.logging import config_logging
log = config_logging()
class WorkerSignals(QObject):
"""
Defines the signals available from a running worker thread.
Supported signals are:
finished
No data
error
tuple (exctype, value, traceback.format_exc() )
result
object data returned from processing, anything
progress
int indicating % progress
"""
finished = pyqtSignal()
error = pyqtSignal(tuple)
result = pyqtSignal(object)
progress = pyqtSignal(int)
class Worker(QRunnable):
"""
Worker thread
Inherits from QRunnable to handler worker thread setup, signals and wrap-up.
:param callback: The function callback to run on this worker thread. Supplied args and
kwargs will be passed through to the runner.
:type callback: function
:param args: Arguments to pass to the callback function
:param kwargs: Keywords to pass to the callback function
"""
def __init__(self, fn, *args, **kwargs):
super(Worker, self).__init__()
# Store constructor arguments (re-used for processing)
self.fn = fn
self.args = args
self.kwargs = kwargs
self.signals = WorkerSignals()
# Add the callback to our kwargs
self.kwargs["progress_callback"] = self.signals.progress
@pyqtSlot()
def run(self):
"""
Initialise the runner function with passed args, kwargs.
"""
# Retrieve args/kwargs here; and fire processing using them
try:
result = self.fn(*self.args, **self.kwargs)
except:
traceback.print_exc()
exctype, value = sys.exc_info()[:2]
self.signals.error.emit((exctype, value, traceback.format_exc()))
else:
self.signals.result.emit(result) # Return the result of the processing
finally:
self.signals.finished.emit() # Done

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@ -1,6 +0,0 @@
[Sinus]
duration = 10
fs = 30000.0
amplitude = 1
freq = 10

42
pyrelacs/repros/calbi.py Normal file
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@ -0,0 +1,42 @@
import ctypes
import uldaq
from IPython import embed
from pyrelacs.repros.repos import Repos
from pyrelacs.util.logging import config_logging
import numpy as np
import matplotlib.pyplot as plt
log = config_logging()
class Calibration(Repos):
def __init__(self) -> None:
super().__init__()
def run_calibration(self):
# Stimulus
time = np.arange(0, DURATION, 1 / SAMPLERATE)
data = AMPLITUDE * np.sin(2 * np.pi * SINFREQ * time)
# sending stimulus
stim, ao_device = self.send_analog_dac(
data, [0, 0], SAMPLERATE, ScanOption=uldaq.ScanOption.EXTTRIGGER
)
read_data = self.read_analog_daq(
[0, 1], DURATION, SAMPLERATE, ScanOption=uldaq.ScanOption.EXTTRIGGER
)
self.digital_trigger()
ao_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, 11)
self.digital_trigger(data=0)
self.disconnect_dac()
embed()
exit()
if __name__ == "__main__":
SAMPLERATE = 40_000.0
DURATION = 5
AMPLITUDE = 3
SINFREQ = 1
daq_input = Calibration()
daq_input.run_calibration()

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@ -1,54 +1,28 @@
from typing import Optional
import uldaq
from IPython import embed
import typer
from typing_extensions import Annotated
import matplotlib.pyplot as plt
from pyrelacs.util.logging import config_logging
from .repos import Repos
log = config_logging()
class ReadData:
class ReadData(Repos):
def __init__(self) -> None:
devices = uldaq.get_daq_device_inventory(uldaq.InterfaceType.USB)
log.debug(f"Found daq devices {len(devices)}, connecting to the first one")
self.daq_device = uldaq.DaqDevice(devices[0])
self.daq_device.connect()
log.debug("Connected")
super().__init__()
def read_analog_in(self, channel: Annotated[Optional[int], typer.Argument()] = 0):
def analog_in(self) -> None:
# Get the Ananlog In device and Analog Info
ai_device = self.daq_device.get_ai_device()
ai_info = ai_device.get_info()
log.debug(
f"Analog info,\n Channels available {ai_info.get_num_chans()}, \n Max Samplerate: {ai_info.get_max_scan_rate()}"
)
buffer_len = 1_000_000
buf = uldaq.create_float_buffer(1, buffer_len)
er = ai_device.a_in_scan(
1,
1,
uldaq.AiInputMode.SINGLE_ENDED,
uldaq.Range.BIP10VOLTS,
buffer_len,
500_000,
uldaq.ScanOption.DEFAULTIO,
uldaq.AInScanFlag.DEFAULT,
data=buf,
data = self.read_analog_daq(
[0, 0],
10,
3000.0,
)
ai_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, timeout=-1)
log.debug("Scanning")
self.daq_device.disconnect()
self.daq_device.release()
plt.plot(buf)
plt.plot(data)
plt.show()
self.disconnect_dac()
if __name__ == "__main__":
daq_input = ReadData()
typer.run(daq_input.read_analog_in)
daq_input.analog_in()

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@ -2,6 +2,7 @@ import ctypes
import uldaq
from IPython import embed
from pyrelacs.repros.repos import Repos
from pyrelacs.util.logging import config_logging
import numpy as np
import matplotlib.pyplot as plt
@ -9,40 +10,23 @@ import matplotlib.pyplot as plt
log = config_logging()
class Output_daq:
class Output_daq(Repos):
def __init__(self) -> None:
devices = uldaq.get_daq_device_inventory(uldaq.InterfaceType.USB)
self.daq_device = uldaq.DaqDevice(devices[0])
self.daq_device.connect()
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 * 10 * time)
buffer = ctypes.c_double * len(time)
data_c = buffer(*data)
log.debug(f"Created C_double data {data_c}")
ao_device = self.daq_device.get_ao_device()
ao_info = ao_device.get_info()
log.debug(
f"Analog info,\n Channels available {ao_info.get_num_chans()}, \n Max Samplerate: {ao_info.get_max_scan_rate()}"
)
err = ao_device.a_out_scan(
0,
0,
uldaq.Range.BIP10VOLTS,
int(len(data)),
30_000.0,
uldaq.ScanOption.DEFAULTIO,
uldaq.AOutScanFlag.DEFAULT,
data_c,
data = 2 * np.sin(2 * np.pi * 1 * time)
self.send_analog_dac(
data, [0, 0], 30_000, ScanOption=uldaq.ScanOption.EXTTRIGGER
)
ao_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, 11)
def trigger(self):
self.digital_trigger(1)
self.daq_device.disconnect()
self.daq_device.release()
@ -50,3 +34,4 @@ class Output_daq:
if __name__ == "__main__":
daq_input = Output_daq()
daq_input.write_daq()
# daq_input.trigger()

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@ -1,5 +1,9 @@
import uldaq
from ctypes import Array, c_double
from typing import Union
from IPython import embed
import numpy.typing as npt
import uldaq
import numpy as np
from pyrelacs.util.logging import config_logging
@ -8,6 +12,124 @@ log = config_logging()
class Repos:
def __init__(self) -> None:
devices = uldaq.get_daq_device_inventory(uldaq.InterfaceType.USB)
log.debug(f"Found daq devices {len(devices)}, connecting to the first one")
if len(devices) == 0:
log.error("Did not found daq devices, please connect one")
exit(1)
self.daq_device = uldaq.DaqDevice(devices[0])
self.daq_device.connect()
log.debug("Connected")
def read_analog_daq(
self,
channels: list[int],
duration: int,
samplerate: float,
AiInputMode: uldaq.AiInputMode = uldaq.AiInputMode.SINGLE_ENDED,
Range: uldaq.Range = uldaq.Range.BIP10VOLTS,
ScanOption: uldaq.ScanOption = uldaq.ScanOption.DEFAULTIO,
AInScanFlag: uldaq.AInScanFlag = uldaq.AInScanFlag.DEFAULT,
) -> Array[c_double]:
if channels[0] == channels[1]:
channel_len = 1
else:
channel_len = len(channels)
assert len(channels) == 2, log.error("Please provide a list with two ints")
ai_device = self.daq_device.get_ai_device()
buffer_len = np.shape(np.arange(0, duration, 1 / samplerate))[0]
data_analog_input = uldaq.create_float_buffer(channel_len, buffer_len)
er = ai_device.a_in_scan(
channels[0],
channels[1],
AiInputMode,
Range,
buffer_len,
samplerate,
ScanOption,
AInScanFlag,
data=data_analog_input,
)
# ai_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, timeout=-1)
return data_analog_input
def send_analog_dac(
self,
data: Union[list, npt.NDArray],
channels: list[int],
samplerate: float,
Range: uldaq.Range = uldaq.Range.BIP10VOLTS,
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
"""
buffer = c_double * len(data)
data_analog_output = buffer(*data)
log.debug(f"Created C_double data {data_analog_output}")
ao_device = self.daq_device.get_ao_device()
ao_info = ao_device.get_info()
err = ao_device.a_out_scan(
channels[0],
channels[1],
Range,
int(len(data)),
samplerate,
ScanOption,
AOutScanFlag,
data_analog_output,
)
log.info(f"The actual scan rate was {err}")
# ao_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, 11)
return data_analog_output, ao_device
def digital_trigger(self, portn: int = 0, data: int = 1) -> None:
log.info(f"{self.daq_device}")
dio_device = self.daq_device.get_dio_device()
dio_device.d_config_bit(
uldaq.DigitalPortType.AUXPORT, portn, uldaq.DigitalDirection.OUTPUT
)
dio_device.d_bit_out(uldaq.DigitalPortType.AUXPORT, bit_number=portn, data=data)
def disconnect_dac(self):
self.daq_device.disconnect()
self.daq_device.release()
def clean_up():
pass
def run_repo(self) -> None:
@ -18,9 +140,3 @@ class Repos:
def reload_repo(self) -> None:
pass
def read_daq(self) -> None:
pass
def write_daq(self) -> None:
pass