42 lines
1.0 KiB
Python
42 lines
1.0 KiB
Python
"""Utility functions for the driver."""
|
|
import socket
|
|
import struct
|
|
|
|
|
|
def get_public_ip_address():
|
|
"""Find the public IP Address of the host device."""
|
|
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
|
s.connect(("8.8.8.8", 80))
|
|
ip = s.getsockname()[0]
|
|
s.close()
|
|
return ip
|
|
|
|
|
|
def int_to_float16(int_to_convert):
|
|
"""Convert integer into float16 representation."""
|
|
bin_rep = ('0' * 16 + '{0:b}'.format(int_to_convert))[-16:]
|
|
|
|
sign = -1 ** int(bin_rep[0])
|
|
exponent = int(bin_rep[1:6], 2)
|
|
fraction = int(bin_rep[7:17], 2)
|
|
|
|
return sign * 2 ** (exponent - 15) * float("1.{}".format(fraction))
|
|
|
|
|
|
def ints_to_float(int1, int2):
|
|
"""Convert 2 registers into a floating point number."""
|
|
mypack = struct.pack('>HH', int1, int2)
|
|
f = struct.unpack('>f', mypack)
|
|
print("[{}, {}] >> {}".format(int1, int2, f[0]))
|
|
return f[0]
|
|
|
|
|
|
def degf_to_degc(temp_f):
|
|
"""Convert deg F to deg C."""
|
|
return (temp_f - 32.0) * (5.0/9.0)
|
|
|
|
|
|
def degc_to_degf(temp_c):
|
|
"""Convert deg C to deg F."""
|
|
return temp_c * 1.8 + 32.0
|