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149 lines
4.0 KiB
149 lines
4.0 KiB
#!/usr/bin/env python3
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from __future__ import absolute_import, print_function
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import sys
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import argparse
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import socket
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from datetime import datetime
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import can
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from can import Bus, BusState, Logger
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import paho.mqtt.client as mqtt
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sub_topic = "shutter"
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aliases = {
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'Esszimmer_Garten': 'EZ_G',
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'Esszimmer_Nachbar': 'EZ_N',
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'Wohnzimmer1': 'WZ1',
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'Wohnzimmer2': 'WZ2',
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'Wohnzimmer3': 'WZ3',
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'Wohnzimmer4': 'WZ4',
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}
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event_map = {
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'stop': 0,
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'off': 0,
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'up': 1,
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'down': 2
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}
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coil_map = {
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# up , down
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'EZ_G': [ 0x03, 0x04 , 0x03, 0x05 ],
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'EZ_N': [ 0x03, 0x08 , 0x03, 0x06 ],
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'WZ1': [ 0x00, 0x01 , 0x00, 0x01 ],
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'WZ2': [ 0x00, 0x01 , 0x00, 0x01 ],
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'WZ3': [ 0x00, 0x01 , 0x00, 0x01 ],
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'WZ4': [ 0x00, 0x01 , 0x00, 0x01 ]
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}
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cmd_map = {
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'off': 0,
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'on': 1,
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'value': 2,
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'toggle': 3
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}
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def decon(msg_id):
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msg_prio=msg_id>>26
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msg_type=(msg_id>>24) & 0x03
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msg_dst=(msg_id>>16) & 0xFF
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msg_src=(msg_id>>8) & 0xFF
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msg_cmd=msg_id & 0xFF
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print("msg_id: ", hex(msg_id), "prio: ", hex(msg_prio),"type: ", hex(msg_type)," dst: ", hex(msg_dst)," src: ", hex(msg_src)," cmd: ",hex(msg_cmd))
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return [msg_prio, msg_type, msg_dst, msg_src, msg_cmd]
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def con(msg_dst,msg_cmd,msg_prio=3,msg_type=0,msg_src=11, ):
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msg_id=(msg_prio<<26) + \
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((msg_type&0x03)<<24) +\
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((msg_dst&0xFF)<<16) +\
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((msg_src&0xFF)<<8) +\
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(msg_cmd&0xFF)
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print("Constructed ID: "+hex(msg_id))
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return msg_id
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def on_connect(mcp_mqtt, userdata, flags, rc):
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print("Connected with result code "+str(rc))
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# Subscribing in on_connect() means that if we lose the connection and
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# reconnect then subscriptions will be renewed.
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mcp_mqtt.subscribe(sub_topic+"/+")
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print("Subscribed to:"+sub_topic+"/+")
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def on_message(mcp_mqtt, userdata, msg):
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local_bus=userdata
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print("data Received topic: ", msg.topic)
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m_decode=str(msg.payload.decode("utf-8","ignore"))
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print("data Received",m_decode)
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data=m_decode
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sub=msg.topic[len(sub_topic)+1:]
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event=event_map[data]
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coils={
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'up': [ coil_map[sub][0], coil_map[sub][1] ],
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'down': [ coil_map[sub][2], coil_map[sub][3] ]
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}
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if event is not None: # it's 0,1,2
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for key, value in coils.items():
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msg_id=con(msg_dst=value[0],msg_cmd=0)
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msg_data=[value[1]]
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print("turning off: ",sub,value[0],value[1])
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m = can.Message(arbitration_id=msg_id,
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data=msg_data,
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extended_id=True)
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print("going to sent to CAN",m)
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try:
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local_bus.send(m)
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except BaseException as e:
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logging.error("Error sending can message {%s}: %s" % (m, e))
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print("data sent to CAN",m)
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if event is not 0:
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addr = coils[data]
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print("turning on: ",addr[0],addr[1])
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msg_id=con(msg_dst=addr[0],msg_cmd=1)
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msg_data=[addr[1]]
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print(msg_data)
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m = can.Message(arbitration_id=msg_id,
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data=msg_data,
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extended_id=True)
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print("going to sent to CAN",m)
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try:
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local_bus.send(m)
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except BaseException as e:
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logging.error("Error sending can message {%s}: %s" % (m, e))
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print("data sent to CAN",m)
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def main():
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verbosity = 2
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logging_level_name = ['critical', 'error', 'warning', 'info', 'debug', 'subdebug'][min(5, verbosity)]
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can.set_logging_level(logging_level_name)
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can_filters = []
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config = {"can_filters": can_filters, "single_handle": True}
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config["interface"] = "socketcan"
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config["bitrate"] = 125000
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bus = Bus("can1", **config)
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print('Connected to {}: {}'.format(bus.__class__.__name__, bus.channel_info))
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print('Can Logger (Started on {})\n'.format(datetime.now()))
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mcp_mqtt = mqtt.Client()
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mcp_mqtt.on_connect = on_connect
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mcp_mqtt.on_message = on_message
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mcp_mqtt.user_data_set(bus)
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mcp_mqtt.connect("mcp", 1883, 60)
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try:
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while True:
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mcp_mqtt.loop()
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except KeyboardInterrupt:
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pass
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finally:
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bus.shutdown()
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if __name__ == "__main__":
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main()
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