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Receive detect broadcast

This commit is contained in:
jpk 2018-03-16 18:15:18 +01:00
parent 81fcc1ec40
commit 4a87703817
2 changed files with 73 additions and 38 deletions
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48
lw12.py
View File

@ -17,7 +17,7 @@ from collections import namedtuple
_LW12_PKT_LEN = 9
_LW12_PKT_FMT = 'c6sxc'
_LW12_PKT_FMT = 'c6scc'
_LW12_PKT_PAYLOAD_FMT = 'cccccc'
_LW12_PKT_HEAD = b'\x7e'
_LW12_PKT_TAIL = b'\xef'
@ -26,6 +26,12 @@ _LW12_PKT_TAIL = b'\xef'
class LW12_MODE(Enum):
LIGHT = b'\x04'
COLOR = b'\x05'
DETECT = b'\x07'
IGNORE = b'\xff'
class LW12_DETECT(Enum):
SCAN = b'\x09'
IGNORE = b'\xff'
@ -34,11 +40,13 @@ class LW12_LIGHT(Enum):
FLASH = b'\x02'
SET = b'\x03'
POWER = b'\x04'
IGNORE = b'\xff'
class LW12_POWER(Enum):
ON = b'\x01'
OFF = b'\x00'
IGNORE = b'\xff'
class LW12_COLOR_STATIC(Enum):
@ -82,7 +90,7 @@ class LW12_COLOR_FLASH(Enum):
WHITE = b'\x9c'
LW12_Packet = namedtuple('Packet', 'head data tail')
LW12_Packet = namedtuple('Packet', 'head data pad tail')
LW12_Payload = namedtuple('Payload', 'mode option value r g b')
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
@ -92,23 +100,40 @@ class LW12Controller(object):
def __init__(self, host, port):
self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.socket_receiver = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
self.host = host
self.port = port
self.socket_receiver.bind(('', 6000))
def get_remote_socket(self):
return (self.host, self.port)
def send(self, payload, sock=None):
data = self._compile_packet(payload)
packet = pack(_LW12_PKT_FMT, _LW12_PKT_HEAD, data, _LW12_PKT_TAIL)
if payload.mode == LW12_MODE.DETECT:
pad = b'\xff'
else:
pad = b'\x00'
packet = pack(_LW12_PKT_FMT, _LW12_PKT_HEAD, data, pad, _LW12_PKT_TAIL)
if len(packet) != 9:
raise Exception('Invalid data length. Packet malformed')
try:
from hexdump import hexdump
hexdump(packet)
print(sock or self.get_remote_socket())
return self.socket.sendto(packet, sock or self.get_remote_socket())
except OSError as oserr:
if oserr.errno == 101:
print('Network is unreachable')
def read(self):
buffer_, sender = self.socket_receiver.recvfrom(_LW12_PKT_LEN)
print(buffer_)
print(sender)
def _compile_packet(self, payload):
if len(payload) != 6:
raise Exception('Invalid payload length. Packet malformed')
@ -121,21 +146,21 @@ class LW12Controller(object):
payload.r.value, payload.g.value, payload.b.value)
def light_off(self):
payload = LW12_Payload(r=LW12_MODE.IGNORE, g=LW12_MODE.IGNORE, b=LW12_MODE.IGNORE,
payload = LW12_Payload(r=LW12_LIGHT.IGNORE, g=LW12_LIGHT.IGNORE, b=LW12_LIGHT.IGNORE,
mode=LW12_MODE.LIGHT,
option=LW12_LIGHT.POWER,
value=LW12_POWER.OFF)
self.send(payload)
def light_on(self):
payload = LW12_Payload(r=LW12_MODE.IGNORE, g=LW12_MODE.IGNORE, b=LW12_MODE.IGNORE,
payload = LW12_Payload(r=LW12_LIGHT.IGNORE, g=LW12_LIGHT.IGNORE, b=LW12_LIGHT.IGNORE,
mode=LW12_MODE.LIGHT,
option=LW12_LIGHT.POWER,
value=LW12_POWER.ON)
self.send(payload)
def set_effect_color(self, color):
payload = LW12_Payload(r=LW12_LIGHT.SET, g=LW12_MODE.IGNORE, b=LW12_MODE.IGNORE,
payload = LW12_Payload(r=LW12_LIGHT.SET, g=LW12_LIGHT.IGNORE, b=LW12_LIGHT.IGNORE,
mode=LW12_MODE.LIGHT,
option=LW12_LIGHT.SET,
value=color)
@ -145,8 +170,17 @@ class LW12Controller(object):
# Fail safe handling for integers > 100
if 0 < value > 100:
value = int(value / 255 * 100)
payload = LW12_Payload(r=LW12_MODE.IGNORE, g=LW12_MODE.IGNORE, b=LW12_MODE.IGNORE,
payload = LW12_Payload(r=LW12_LIGHT.IGNORE, g=LW12_LIGHT.IGNORE, b=LW12_LIGHT.IGNORE,
mode=LW12_MODE.LIGHT,
option=option,
value=bytes([value]))
self.send(payload)
def scan(self, broadcast_addr='255.255.255.255', broadcast_port=5000):
# Fail safe handling for integers > 100
payload = LW12_Payload(r=LW12_DETECT.IGNORE, g=LW12_DETECT.IGNORE, b=LW12_DETECT.IGNORE,
mode=LW12_MODE.DETECT,
option=LW12_DETECT.SCAN,
value=LW12_DETECT.IGNORE)
self.send(payload, (broadcast_addr, broadcast_port))
self.read()

63
test.py
View File

@ -11,34 +11,35 @@ time.sleep(.500)
print('[+] LW12 LIGHT ON')
lw12.light_on()
time.sleep(.500)
print('[+] LW12_COLOR_STATIC')
for color in LW12_COLOR_STATIC:
print(' {}'.format(color))
lw12.set_effect_color(color)
time.sleep(.250)
print('[+] LW12_LIGHT.BRIGHTNESS')
for brightness in range(0, 101, 5):
print(' brightness={}'.format(brightness))
lw12.set_light_option(LW12_LIGHT.BRIGHTNESS, brightness)
time.sleep(.250)
print('[+] LW12_LIGHT.FLASH')
print(' speed=100')
lw12.set_light_option(LW12_LIGHT.FLASH, 100)
print('[+] LW12_COLOR_JUMP')
for color in LW12_COLOR_JUMP:
print(' {}'.format(color))
lw12.set_effect_color(color)
time.sleep(2)
print('[+] LW12_COLOR_FLASH')
for color in LW12_COLOR_FLASH:
print(' {}'.format(color))
lw12.set_effect_color(color)
time.sleep(2)
print('[+] LW12_COLOR_GRADIENT')
for color in LW12_COLOR_GRADIENT:
print(' {}'.format(color))
lw12.set_effect_color(color)
time.sleep(2)
lw12.set_effect_color(LW12_COLOR_STATIC.PURPLE)
lw12.set_light_option(LW12_LIGHT.BRIGHTNESS, 10)
# print('[+] LW12_COLOR_STATIC')
# for color in LW12_COLOR_STATIC:
# print(' {}'.format(color))
# lw12.set_effect_color(color)
# time.sleep(.250)
# print('[+] LW12_LIGHT.BRIGHTNESS')
# for brightness in range(0, 101, 5):
# print(' brightness={}'.format(brightness))
# lw12.set_light_option(LW12_LIGHT.BRIGHTNESS, brightness)
# time.sleep(.250)
# print('[+] LW12_LIGHT.FLASH')
# print(' speed=100')
# lw12.set_light_option(LW12_LIGHT.FLASH, 100)
# print('[+] LW12_COLOR_JUMP')
# for color in LW12_COLOR_JUMP:
# print(' {}'.format(color))
# lw12.set_effect_color(color)
# time.sleep(2)
# print('[+] LW12_COLOR_FLASH')
# for color in LW12_COLOR_FLASH:
# print(' {}'.format(color))
# lw12.set_effect_color(color)
# time.sleep(2)
# print('[+] LW12_COLOR_GRADIENT')
# for color in LW12_COLOR_GRADIENT:
# print(' {}'.format(color))
# lw12.set_effect_color(color)
# time.sleep(2)
# lw12.set_effect_color(LW12_COLOR_STATIC.PURPLE)
# lw12.set_light_option(LW12_LIGHT.BRIGHTNESS, 10)
print('[+] LW12 SCAN')
lw12.scan()