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https://github.com/lumapu/ahoy.git
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grindylow
GitHub
commit
ad0acb7477
3 changed files with 90 additions and 24 deletions
9
tools/rpi/ahoy.conf.example
Normal file
9
tools/rpi/ahoy.conf.example
Normal file
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@ -0,0 +1,9 @@
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[mqtt]
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host = 192.168.84.2
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port = 1883
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[dtu]
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serial = 99978563412
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[inverter]
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serial = 444473104619
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@ -24,11 +24,10 @@ mqtt_client = paho.mqtt.client.Client()
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mqtt_client.connect(mqtt_host, mqtt_port)
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# Master Address ('DTU')
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dtu_ser = 99978563412 # identical to fc22's
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dtu_ser = cfg.get('dtu', 'serial', fallback='99978563412') # identical to fc22's
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# inverter serial numbers
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#inv_ser = 444473104619 # identical to fc22's #99972220200
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inv_ser = 114174608145 # my inverter
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inv_ser = cfg.get('inverter', 'serial', fallback='444473104619') # my inverter
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# all inverters
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#...
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@ -163,6 +162,34 @@ def on_receive(p):
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d['wday2_Wh'] = uk5
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d['uk2'] = uk2
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elif cmd==129:
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name = 'error'
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print('Command error')
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elif cmd==131:
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name = 'statedata'
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uk1, l, uk3, t, uk5, uk6 = struct.unpack('>HHHHHH', p[10:22])
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print(f'l={l}%, t={t/10:.2f}C, ', end='')
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print(f'uk1={uk1}, ', end='')
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print(f'uk3={uk3}, ', end='')
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print(f'uk5={uk5}, ', end='')
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print(f'uk6={uk6}')
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d['l_Pct'] = l
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d['t_C'] = t/10
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elif cmd==132:
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name = 'unknown'
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uk1, uk2, uk3, uk4, uk5, uk6, uk7, uk8 = struct.unpack(
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'>HHHHHHHH', p[10:26])
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print(f'uk1={uk1}, ', end='')
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print(f'uk2={uk2}, ', end='')
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print(f'uk3={uk3}, ', end='')
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print(f'uk4={uk4}, ', end='')
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print(f'uk5={uk5}, ', end='')
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print(f'uk6={uk6}, ', end='')
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print(f'uk7={uk7}, ', end='')
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print(f'uk8={uk8}')
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else:
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print(f'unknown cmd {cmd}')
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else:
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@ -173,11 +200,20 @@ def on_receive(p):
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j = json.dumps(d)
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mqtt_client.publish(f'ahoy/{src}/{name}', j)
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if d['cmd']==2:
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mqtt_client.publish(f'ahoy/{src}/{name}/p_W', d['p_W'])
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mqtt_client.publish(f'ahoy/{src}/emeter/0/voltage', d['u_V'])
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mqtt_client.publish(f'ahoy/{src}/emeter/0/power', d['p_W'])
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mqtt_client.publish(f'ahoy/{src}/emeter/0/total', d['wtot1_Wh'])
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mqtt_client.publish(f'ahoy/{src}/frequency', d['f_Hz'])
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if d['cmd']==1:
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mqtt_client.publish(f'ahoy/{src}/{name}/p1_W', d['p1_W'])
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mqtt_client.publish(f'ahoy/{src}/{name}/p2_W', d['p2_W'])
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mqtt_client.publish(f'ahoy/{src}/{name}/p_W', d['p1_W']+d['p2_W'])
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mqtt_client.publish(f'ahoy/{src}/emeter-dc/0/power', d['p1_W'])
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mqtt_client.publish(f'ahoy/{src}/emeter-dc/0/voltage', d['u1_V'])
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mqtt_client.publish(f'ahoy/{src}/emeter-dc/0/current', d['i1_A'])
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mqtt_client.publish(f'ahoy/{src}/emeter-dc/1/power', d['p2_W'])
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mqtt_client.publish(f'ahoy/{src}/emeter-dc/1/voltage', d['u2_V'])
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mqtt_client.publish(f'ahoy/{src}/emeter-dc/1/current', d['i2_A'])
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if d['cmd']==131:
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mqtt_client.publish(f'ahoy/{src}/temperature', d['t_C'])
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def main_loop():
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@ -190,53 +226,73 @@ def main_loop():
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print_addr(dtu_ser)
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ctr = 1
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last_tx_message = ''
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ts = int(time.time()) # see what happens if we always send one and the same (constant) time!
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rx_channels = [3,23,61,75]
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rx_channel_id = 0
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rx_channel = rx_channels[rx_channel_id]
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tx_channels = [40]
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tx_channel_id = 0
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tx_channel = tx_channels[tx_channel_id]
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while True:
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radio.setChannel(3)
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# Sweep receive start channel
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rx_channel_id = ctr % len(rx_channels)
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rx_channel = rx_channels[rx_channel_id]
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radio.setChannel(rx_channel)
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radio.enableDynamicPayloads()
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radio.setAutoAck(False)
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radio.setAutoAck(True)
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radio.setPALevel(RF24_PA_MAX)
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radio.setDataRate(RF24_250KBPS)
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radio.openWritingPipe(ser_to_esb_addr(inv_ser))
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radio.flush_rx()
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radio.flush_tx()
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radio.openReadingPipe(1,ser_to_esb_addr(dtu_ser))
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#radio.openReadingPipe(1,ser_to_esb_addr(inv_ser))
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radio.startListening()
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if ctr<3:
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pass
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# radio.printPrettyDetails()
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t_end = time.monotonic_ns()+1e9
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while time.monotonic_ns() < t_end:
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has_payload, pipe_number = radio.available_pipe()
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if has_payload:
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size = radio.getDynamicPayloadSize()
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payload = radio.read(size)
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print(f"Received {size} bytes on pipe {pipe_number}: " +
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print(last_tx_message, end='')
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last_tx_message = ''
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dt = datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f")
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print(f"{dt} Received {size} bytes on channel {rx_channel} pipe {pipe_number}: " +
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" ".join([f"{b:02x}" for b in payload]))
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on_receive(payload)
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else:
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radio.stopListening()
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radio.setChannel(rx_channel)
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radio.startListening()
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rx_channel_id = rx_channel_id + 1
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if rx_channel_id >= len(rx_channels):
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rx_channel_id = 0
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rx_channel = rx_channels[rx_channel_id]
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time.sleep(0.01)
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tx_channel_id = tx_channel_id + 1
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if tx_channel_id >= len(tx_channels):
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tx_channel_id = 0
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tx_channel = tx_channels[tx_channel_id]
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radio.stopListening() # put radio in TX mode
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radio.setChannel(40)
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radio.setChannel(tx_channel)
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radio.openWritingPipe(ser_to_esb_addr(inv_ser))
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if ctr<3:
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pass
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# radio.printPrettyDetails()
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# ts = int(time.time())
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ts = int(time.time())
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payload = compose_0x80_msg(src_ser_no=dtu_ser, dst_ser_no=inv_ser, ts=ts)
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print(f"{ctr:5d}: len={len(payload)} | " + " ".join([f"{b:02x}" for b in payload]),
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flush=True)
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dt = datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f")
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last_tx_message = f"{dt} Transmit {ctr:5d}: channel={tx_channel} len={len(payload)} | " + \
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" ".join([f"{b:02x}" for b in payload]) + "\n"
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radio.write(payload) # will always yield 'True' because auto-ack is disabled
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ctr = ctr + 1
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print(flush=True, end='')
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@ -1 +1,2 @@
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paho-mqtt
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crcmod
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