from ldk.drivers import Oscillo
host = os.getenv('HOST','192.168.1.100')
client = connect(host, name='oscillo')
driver = Oscillo(client)
current = 30 #mA
freq = 1
mod_amp = 0.2
# Modulate with a triangle waveform of period 8192 x 8 ns
n = driver.wfm_size
driver.dac[1,:] = mod_amp * signal.sawtooth(2 * np.pi * freq / n * np.arange(n), width=0.5)
driver.set_dac()
driver.start_laser()
driver.set_averaging(True)
driver.set_laser_current(current)
time.sleep(0.1)
plt.ylim([-2*np.pi, 2*np.pi])
plt.ion()
plt.show()
phase_previous_pos = 0
phase_previous_neg = 0
temperature = 20 # degrees Celsius
data = np.zeros((1000,2)) + temperature
# Hanning FFT Window
window = 0.5 * (1-np.cos(2 * np.pi * np.arange(4095) / 4095))
import initExample
import os
import time
import numpy as np
import matplotlib.pyplot as plt
from utilities import load_instrument
from ldk.drivers import Oscillo
host = os.getenv('HOST','192.168.1.100')
client = load_instrument(host, instrument='oscillo')
driver = Oscillo(client)
# Enable laser
driver.start_laser()
# Set laser current
current = 30 # mA
driver.set_laser_current(current)
# Modulation on DAC
amp_mod = 0.2
freq_mod = 1e6
driver.dac[1, :] = amp_mod*np.sin(2 * np.pi * freq_mod * driver.sampling.t)
driver.set_dac()
# Signal on ADC
driver.get_adc()
signal = driver.adc[0, :]
