def dac_sin(time, frequency):
time = np.arange(0, time, 1 / frequency)
y = 255 * np.sin(time)
amplitude = [int(x) for x in y]
plt.plot(time, amplitude)
plt.title('Синус')
plt.xlabel('Время')
plt.ylabel('Амплитуда sin(time)')
plt.show()
for value in amplitude:
num2dac(value, slee_time = 1 / frequency)
def guess(last_i):
if not GPIO.input(sc1.comp):
for i in range(last_i, -1, -1):
sc1.num2dac(i)
time.sleep(sc1.time_sleep)
if GPIO.input(sc1.comp) == 1:
print(
f'Digital value: {i}, ',
'Analog value :{0:.{1}f} V'.format(i * sc1.voltage_step,
sc1.rounded))
return i
for i in range(last_i, 2**sc1.bin_depth):
sc1.num2dac(i)
time.sleep(sc1.time_sleep)
if GPIO.input(sc1.comp) == 0:
print(
f'Digital value: {i}, ',
'Analog value :{0:.{1}f} V'.format(i * sc1.voltage_step,
sc1.rounded))
return i
import sys
pi = 3.14
try:
_time = float(input("Print period of time "))
frequency = float(input("Print frequency "))
samplingFrequency = float(input("Print sampling frequency "))
time_ = np.arange(0, _time, 1 / samplingFrequency)
amplitude = np.sin(2 * pi * frequency * time_)
amplitude = (amplitude + 1) * (255 / 2)
plt.plot(time_, amplitude)
plt.title("SIN")
plt.xlabel("Time")
plt.ylabel("Amplitude sin(2 * pi * {} * time)".format(frequency))
plt.show()
c = int(input("Print 1 if you want to continue, else print -1 "))
if c == -1:
sys.exit()
for i in range(len(amplitude)):
scr1.all_out()
scr1.num2dac(int(amplitude[i]))
time.sleep(1 / samplingFrequency)
except TypeError:
print("You must print numbers")
except Exception:
print("Something went wrong...")
finally:
scr1.all_out()
print("Quit")
import script1 as scr1
import RPi.GPIO as GPIO
import time
try:
repetitionsNumber = int(input("Print number of repetitions "))
if repetitionsNumber <= 0:
raise Exception
for _ in range(repetitionsNumber):
for i in range(2 ** scr1.bin_depth):
scr1.all_out()
scr1.num2dac(i)
time.sleep(scr1.time_to_sleep)
for i in range(2 ** scr1.bin_depth, -1, -1):
scr1.all_out()
scr1.num2dac(i)
time.sleep(scr1.time_to_sleep)
except TypeError:
print("Number of repetitions must be an integer")
except Exception:
print("Something went wrong...")
finally:
scr1.all_out()
print("Quit")
GPIO.output(pins, mass)
time.sleep(1)
lightNumber(value)
import numpy as np
import script1 as sc1
print ("Введите число повторений")
repetitionsNumber = int(input())
for i in range(repetitionsNumber):
for j in range(256):
sc1.num2dac(j)
sc1.lightNumber(j)
for j in range(255):
sc1.num2dac(255 - j)
sc1.lightNumber(255-j)
import numpy as np
import matplotlib.pyplot as plt
print("Введите 3 числа (time, frequency, samplingFrequency)")
time = int(input())
frequency = int(input())
samplingFrequency = int(input())
def repeat(repetitionsNumber):
for y in range(repetitionsNumber):
for x in range(256):
num2dac(x, slee_time=0.01)
for x in range(255, 0, -1):
num2dac(x, slee_time=0.01)
try:
x = np.linspace(0, timee, num=SF)
y = 127 * (np.sin(2 * np.pi * frequency * x)) + 127
fig = plt.subplots()
y_new = np.round(y, 0)
y_final = y_new.astype(np.int32)
print(x)
print(y_final)
timeout = time.time() + timee
while True:
if time.time() > timeout:
break
for i in y_final:
y_final_new = sc1.num2dac(i)
time.sleep(1 / SF)
GPIO.output(4, 0)
GPIO.output(4, 1)
plt.plot(x, y_final)
plt.show()
finally:
DarkALL()
GPIO.cleanup()
repNum = (int(input('Введите число повторений: ')))
i = 0
def DarkALL():
for i in range(8):
GPIO.output(N[i], 0)
DarkALL()
try:
for j in range(repNum):
while i <= 255:
binary = sc1.num2dac(i)
time.sleep(0.001)
i += 1
GPIO.output(4, 0)
GPIO.output(4, 1)
while i > 0:
binary = sc1.num2dac(i)
time.sleep(0.001)
i -= 1
GPIO.output(4, 0)
GPIO.output(4, 1)
finally:
DarkALL()
tim = int(input("Введите время в миллисекундах: "))
mas = np.zeros(tim)
for i in range(tim):
someTime = i / samPe / 1000
nCol = math.ceil(someTime)
samplingPerion = nCol * samPe * 1000
pp = math.sin((samplingPerion - 1) * pi2 / Pe / 1000)
value = math.ceil((pp + 1) * 128) - 1
mas[i] = value
a = num2dac(value)
lightMas(a)
print(someTime, nCol, pp, value)
time.sleep(1 / 1000)
tt = np.arange(0, tim, 1)
plt.plot(tt, mas)
c
plt.show()
time.sleep(1)
plt.close()
GPIO.output(leds, 0)
GPIO.cleanup()
