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sonda_else.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Módulo necessário
import serial
# Inicialização da interface serial
serial_interface1 = serial.Serial(port = "/dev/ttyUSB0",
baudrate = 4800,
bytesize = serial.SEVENBITS,
parity = serial.PARITY_EVEN,
stopbits = serial.STOPBITS_ONE)
serial_interface2 = serial.Serial(port = "/dev/ttyUSB1",
baudrate = 4800,
bytesize = serial.SEVENBITS,
parity = serial.PARITY_EVEN,
stopbits = serial.STOPBITS_ONE)
# Trecho de código necessário para desconsiderarmos a primeira leitura que chega da sonda, que
# eventualmente será capturada "pela metade".
data1 = serial_interface1.read(1)
data2 = serial_interface2.read(1)
while (data1 != "\n"):
data1 = serial_interface1(1)
while (data2 != "\n"):
data2 = serial_interface2(1)
# Laço
while (True):
# Lê os oito caracteres enviados pela sonda
data1 = serial_interface1.read(8)
data2 = serial_interface2.read(8)
# Calcula o valor da taxa de dose instantânea (em uSv/h)
dose_rate1 = float(data1[3:6]) * (10 ** (int(data1[2]))) * 0.001
dose_rate2 = float(data2[3:6]) * (10 ** (int(data1[2]))) * 0.001
dose_rate3 = dose_rate1 + dose_rate2
# Imprime na tela o resultado
print("Gamma: " + "{0:.3f}".format(dose_rate1) + " uSv/h")
print("Neutron: " + "{0:.3f}".format(dose_rate2) + " uSv/h")
print("Total: " + "{0:.3f}".format(dose_rate2) + " uSv/h")