[Add] First commit

Pioneer600_code/DS18B20/python/ds18b20.py

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+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import os
+import glob
+import time
+
+os.system('modprobe w1-gpio')
+os.system('modprobe w1-therm')
+
+base_dir = '/sys/bus/w1/devices/'
+device_folder = glob.glob(base_dir + '28*')[0]
+device_file = device_folder + '/w1_slave'
+def read_rom():
+	name_file=device_folder+'/name'
+	f = open(name_file,'r')
+	return f.readline()
+
+def read_temp_raw():
+	f = open(device_file, 'r')
+	lines = f.readlines()
+	f.close()
+	return lines
+
+def read_temp():
+	lines = read_temp_raw()
+	while lines[0].strip()[-3:] != 'YES':
+		time.sleep(0.2)
+		lines = read_temp_raw()
+	equals_pos = lines[1].find('t=')
+	if equals_pos != -1:
+		temp_string = lines[1][equals_pos+2:]
+		temp_c = float(temp_string) / 1000.0
+		temp_f = temp_c * 9.0 / 5.0 + 32.0
+		return temp_c, temp_f
+
+print(' rom: '+ read_rom())
+while True:
+	print(' C=%3.3f  F=%3.3f'% read_temp())
+	time.sleep(1)