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#
# Copyright (c) 2024 Analog Devices Inc.
#
# This file is part of libm2k
# (see http://www.github.com/analogdevicesinc/libm2k).
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 2.1 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import sys
import libm2k
import time
import os
def calibrate(ctx):
# Calibrates ADC and DAC
# Arguments:
# ctx -- the available m2k context\n
# Returns:
# adc_calib-- Must be True if the calibration was successful
# dac_calib--Must be True if the calibration was successful
# ADC
adc_calib = ctx.calibrateADC()
# DAC
dac_calib = ctx.calibrateDAC()
return (adc_calib, dac_calib)
def open_context():
# Opens the context and retrieves analog objects
# Returns:
# ctx-- M2k context opened
# ain-- AnalogIn object
# aout--Analog Out object
# trig--Trigger object
uri = "ip:192.168.2.1"
if len(sys.argv) >= 3 and ("--uri" in sys.argv):
for i in range(len(sys.argv)):
if sys.argv[i] == "--uri":
uri = sys.argv[i + 1]
sys.argv.pop(i)
sys.argv.pop(i)
break
print("URI " + uri)
ctx = libm2k.m2kOpen(uri)
if ctx is None:
print("Connection Error: No available ADALM2000 found at the specified URI.")
exit(1)
# define input and output
try:
ain = ctx.getAnalogIn()
except:
ain = 0
try:
aout = ctx.getAnalogOut()
except:
aout = 0
# define trigger
try:
trig = ain.getTrigger()
except:
trig = 0
return ctx, ain, aout, trig
def create_dir(timestamp):
# Creates a new directory where all the plot files will be saved
# Arguments:
# timestamp -- Time and date when the program was run
path = os.getcwd()
results_dir = "results" + str(timestamp)
path = os.path.join(path, results_dir)
os.mkdir(path)
return results_dir
# open context
ctx_timeout = 5000 # initial value of the timeout
ctx, ain, aout, trig = open_context() # open context
ctx.setTimeout(ctx_timeout) # set ctx timeout
if "ip:127.0.0.1" not in ctx.getUri():
calibration = calibrate(ctx)
dig = ctx.getDigital()
d_trig = dig.getTrigger()
ps = ctx.getPowerSupply()
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