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141 lines
3.9 KiB
141 lines
3.9 KiB
#!/usr/bin/env python3
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# coding: utf-8
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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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topic = "sunevents"
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event_map = {
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'sunrise': "up",
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'night': "down",
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}
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coil_map = {
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'ROL_EZ_DOWN': [0x03,0x05],
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'ROL_EZ_UP': [0x03,0x04]
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}
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group_map = {
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'up': ['ROL_EZ_UP'],
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'down': ['ROL_EZ_DOWN']
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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(topic)
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print("Subscribed to:",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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event=event_map[data]
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if event is not None:
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# event=sub
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for key, value in coil_map.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: ",key,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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print("Group: ",event)
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for coil in group_map[event]:
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print("turning on", coil)
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addr = coil_map[coil]
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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_start()
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msg = bus.recv(1)
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if msg is not None:
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de=decon(msg.arbitration_id)
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m= { "prio": hex(de[0]), "type": hex(de[1]), "dst": hex(de[2]), "src": hex(de[3]), "cmd": hex(de[4]), "action": hex(msg.data[0]) }
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# print(m)
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# mcp_mqtt.publish("can/rx", str(m))
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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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