Created
February 20, 2020 16:10
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| import os | |
| import glob | |
| import time | |
| base_dir = '/sys/bus/w1/devices/' | |
| device_folder = glob.glob(base_dir + '28*')[0] | |
| device_file = device_folder + '/w1_slave' | |
| 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 | |
| def main(): | |
| while True: | |
| c,f = read_temp() | |
| print("Temperature - %3.3f C, %3.3f F" % (c,f)) | |
| time.sleep(1) | |
| if __name__== "__main__": | |
| main() |
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