2
0
forked from awendt/pyrelacs
minipyrelacs/pyrelacs/repros/repos.py

196 lines
5.7 KiB
Python

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
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()
self.ai_device = self.daq_device.get_ai_device()
self.ao_device = self.daq_device.get_ao_device()
self.dio_device = self.daq_device.get_dio_device()
log.debug("Connected")
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")
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()
self.ai_device = self.daq_device.get_ai_device()
self.ao_device = self.daq_device.get_ao_device()
self.dio_device = self.daq_device.get_dio_device()
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")
buffer_len = np.shape(np.arange(0, duration, 1 / samplerate))[0]
data_analog_input = uldaq.create_float_buffer(channel_len, buffer_len)
er = self.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}")
err = self.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, self.ao_device
def set_analog_to_zero(self, channels: list[int] = [0, 1]):
err = self.ao_device.a_out_list(
channels[0],
channels[1],
[
uldaq.Range.BIP10VOLTS,
uldaq.Range.BIP10VOLTS,
],
uldaq.AOutListFlag.DEFAULT,
[0, 0],
)
def digital_trigger(self, channel: int = 0, data: int = 1) -> None:
log.info(f"{self.daq_device}")
self.dio_device.d_config_bit(
uldaq.DigitalPortType.AUXPORT, channel, uldaq.DigitalDirection.OUTPUT
)
self.dio_device.d_bit_out(
uldaq.DigitalPortType.AUXPORT, bit_number=channel, data=data
)
def read_digitalio(
self,
channels: list[int],
duration,
samplerate,
ScanOptions: uldaq.ScanOption = uldaq.ScanOption.DEFAULTIO,
DInScanFlag: uldaq.DInScanFlag = uldaq.DInScanFlag.DEFAULT,
):
if channels[0] == channels[1]:
channel_len = 1
else:
channel_len = len(channels)
buffer_len = np.shape(np.arange(0, duration, 1 / samplerate))[0]
data_digital_input = uldaq.create_int_buffer(channel_len, buffer_len)
self.dio_device.d_config_port(
uldaq.DigitalPortType.AUXPORT, uldaq.DigitalDirection.INPUT
)
scan_rate = self.dio_device.d_in_scan(
uldaq.DigitalPortType.AUXPORT0,
uldaq.DigitalPortType.AUXPORT0,
len(data_digital_input),
samplerate,
ScanOptions,
DInScanFlag,
data_digital_input,
)
return data_digital_input
def disconnect_dac(self):
self.daq_device.disconnect()
self.daq_device.release()
def run_repo(self) -> None:
pass
def stop_repo(self) -> None:
pass
def reload_repo(self) -> None:
pass