57 lines
1.7 KiB
Python
Executable file
57 lines
1.7 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
|
|
import struct
|
|
|
|
MSG_TYPES = {0x01: 'PING',
|
|
0x02: 'PONG',
|
|
0x10: 'Weather Report',
|
|
0x11: 'Weather Report Request'}
|
|
|
|
PAYLOAD_TYPES = {0x20: 'Outside Temperature',
|
|
0x21: 'Outside Humidity',
|
|
0x22: 'Outside Pressure',
|
|
0x50: 'Inside Temperature',
|
|
0x51: 'Inside Humidity',
|
|
0x52: 'Inside Pressure',
|
|
0x80: 'Battery Voltage',
|
|
0x81: 'Battery Current',
|
|
0x90: 'Solar Cell Voltage',
|
|
0x91: 'Solar Cell Current'}
|
|
|
|
def decode_msg(msg):
|
|
binary = bytes.fromhex(msg)
|
|
|
|
if len(binary) < 5:
|
|
return {}
|
|
|
|
decoded = {
|
|
'to': binary[0],
|
|
'from': binary[1],
|
|
'id': binary[2],
|
|
'flags': binary[3],
|
|
'type': binary[4],
|
|
'values': []
|
|
}
|
|
|
|
for i in range(5, len(binary), 5):
|
|
decoded['values'].append({'id': binary[i],
|
|
'val': struct.unpack('f', binary[i+1:][:4])[0]})
|
|
return decoded
|
|
|
|
|
|
def pretty_print_header(decoded):
|
|
type_msg = MSG_TYPES.get(decoded['type'], "")
|
|
return '0x{from:02x} -> 0x{to:02x} (ID={id}, FLAGS=0x{flags:02x}) TYPE(0x{type:02x})="{type_msg}" '.format(**decoded, type_msg=type_msg)
|
|
|
|
|
|
def pretty_print_payload(decoded):
|
|
values = []
|
|
for val in decoded['values']:
|
|
values.append(' (0x{id:02x}) {type:20s} = {val:15.4f}'.format(type=PAYLOAD_TYPES.get(val['id'], ''), **val))
|
|
return '\n'.join(values)
|
|
|
|
if __name__ == "__main__":
|
|
decoded = decode_msg("ff100f0010203333c74122806ed247804c3751409000000000")
|
|
|
|
print("####", pretty_print_header(decoded))
|
|
print(pretty_print_payload(decoded))
|