import My_GPIO as mgp
max_voltage = 3.3
mgp.StartRun()
while (True):
print("Enter value (-1 to exit) > ", end="")
try:
num = int(input())
except:
print("Wrong input!")
continue
if (num == -1):
print("Exit...")
break
if (num < 0 or num > 255):
print("Wrong input!")
continue
mgp.num2dac(num)
print("{num} = {volt}V".format(num=num,
volt=round(max_voltage * num / 255, 2)))
print(mgp.GetStatus())
mgp.FinishRun()
import My_GPIO as mgp
mgp.StartRun()
max_voltage = 3.3
while (True):
l = 0
r = 255
while (r - l > 1):
num = (l + r) // 2
mgp.num2dac(num)
if (mgp.GetStatus()):
l = num
continue
else:
r = num
print("Digital value: {num}, Analog value: {volt} V".format(
num=r, volt=round(max_voltage * r / 255, 2)))
# mgp.time.sleep (0.5)
mgp.FinishRun()
import My_GPIO as mgp
from scipy.io import wavfile
import numpy as np
samplerate, data = wavfile.read ("ssound.wav")
sleep = 1 / 44100
sound = np.array (data)
sound = np.int32 (sound[:,0])
mgp.StartRun()
print ("Wait...")
for i_music in range (len (sound)):
sound[i_music] = (sound[i_music] + 32768) // 256
print ("Playing!")
for i_music in sound:
mgp.num2dac (i_music)
mgp.time.sleep (0)
mgp.time.sleep (0)
mgp.time.sleep (0)
mgp.FinishRun()
# data1 = [i[0] for i in data]
# data2 = [i[1] for i in data]
# print ( min (data1), max (data1))
def Test2():
for i_music in voltage:
mgp.num2dac(i_music)
mgp.time.sleep(sleep)
mgp.num2dac(0)
mgp.time.sleep(sleep)
import My_GPIO as mgp
from scipy.io import wavfile
import wave
import time
import numpy as np
mgp.StartRun()
samplingFrequency = 256
sleep = 1 / samplingFrequency
frequency = 1
time = np.arange(0, 1 / frequency, sleep)
voltage = np.uint8(127 * (np.sin(time * frequency * 2 * np.pi) + 1) + 1)
def Test1():
for i_music in voltage:
mgp.num2dac(i_music)
mgp.time.sleep(sleep)
def Test2():
for i_music in voltage:
mgp.num2dac(i_music)
mgp.time.sleep(sleep)
mgp.num2dac(0)
mgp.time.sleep(sleep)
while True:
import My_GPIO as gpio gpio.StartRun() gpio.ChangingBright(0) gpio.FinishRun()
import My_GPIO as mgp
mgp.StartRun()
print("Введите количество повторений: ", end="")
inp = input().split()
try:
inp = int(inp[0])
except:
print("Неверный ввод. Пожалуйста, соблюдайте правила ввода.")
exit()
if (inp < 0):
print("Неверный ввод. Пожалуйста, соблюдайте правила ввода.")
exit()
for i_iter in range(inp):
for i_light in range(256):
mgp.num2dac(i_light)
mgp.time.sleep(0.005)
# print (i_light)
for i_light in range(255, -1, -1):
mgp.num2dac(i_light)
mgp.time.sleep(0.005)
# print (i_light)
mgp.FinishRun()
samplingFrequency = 100
sleep = 1 / samplingFrequency
frequency = 0.5
time = np.arange (0, 1 / frequency, sleep)
voltage = np.uint8 (127 * (np.sin (time * frequency * 2 * np.pi) + 1) + 1)
fig = plt.figure (figsize = (7, 7))
ax = fig.add_subplot (1,1,1)
ax.plot (time, voltage, linewidth = 3, alpha = 0.5, label = "$U (t)$", color = "blue")
ax.scatter (time, voltage, s = 40, marker = "_", color = "red")
ax.set_title ("График $U (t)$", fontsize = 20)
ax.set_ylabel ('$U$, ед', fontsize = 20)
ax.set_xlabel ('$t$, с', fontsize = 20)
ax.grid (True)
ax.legend()
plt.savefig ("time-sin.pdf")
mgp.StartRun()
for i_repeat in range (10):
for i_time in range (len (time)):
mgp.num2dac (voltage[i_time])
mgp.time.sleep (sleep)
# print (voltage[i_time])
mgp.FinishRun()