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jgimbel mmaravillo

daly_bms_bt's Issues

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Thank you for the software!

Is it normal that it takes many attempts to connect?

MQTT Config

Hi there,

Great script!
I am however having some trouble getting MQTT/Telegraf/influxdb configured to accept data - if there any chance that you could give some pointers on correct configuration in Telegraf for MQTT data type etc?

I'm getting some error entries in the log for Telegraf:

Mar 10 09:58:16 pi64 telegraf[12758]: 2023-03-10T09:58:16Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: False
Mar 10 09:58:16 pi64 telegraf[12758]: 2023-03-10T09:58:16Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: False
Mar 10 09:58:16 pi64 telegraf[12758]: 2023-03-10T09:58:16Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: discharging
Mar 10 09:58:16 pi64 telegraf[12758]: 2023-03-10T09:58:16Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: True
Mar 10 09:58:16 pi64 telegraf[12758]: 2023-03-10T09:58:16Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: True
Mar 10 09:58:17 pi64 telegraf[12758]: 2023-03-10T09:58:17Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: False
Mar 10 09:58:17 pi64 telegraf[12758]: 2023-03-10T09:58:17Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: False
Mar 10 09:58:17 pi64 telegraf[12758]: 2023-03-10T09:58:17Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: False
Mar 10 09:58:17 pi64 telegraf[12758]: 2023-03-10T09:58:17Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: False
Mar 10 09:58:18 pi64 telegraf[12758]: 2023-03-10T09:58:18Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: 32_221130_100T
Mar 10 09:58:18 pi64 telegraf[12758]: 2023-03-10T09:58:18Z E! [inputs.mqtt_consumer] Error in plugin: invalid JSON provided, unable to parse: BMS-GD230-303E

Any clues would be most appreciated!

Cheers

timeout waiting for 94

➜ daly_bms_bt git:(main) ✗ ./daly_bms_bt.py --bt 46:64:01:XX:XX:XX --hci hci1 --mqtt-user tempuser123--mqtt-password tempuser123 --mqtt-broker 192.168.1.100
INFO [daly_bms_bluetooth.py:24] Set up Bleak client, adapter hci1
INFO [daly_bms_bluetooth.py:46] Bluetooth connecting...
INFO [daly_bms_bluetooth.py:52] Bluetooth connected
WARNING [daly_bms_bluetooth.py:134] Timeout while waiting for 94 response
WARNING [daly_bms_bluetooth.py:134] Timeout while waiting for 94 response
WARNING [daly_bms_bluetooth.py:134] Timeout while waiting for 94 response
ERROR [daly_bms_bluetooth.py:77] 94 failed after 3 tries
ERROR [base_events.py:1758] Task exception was never retrieved
future: <Task finished name='Task-1' coro=<main() done, defined at /home/adminsshuser/daly_bms_bt/./daly_bms_bt.py:123> exception=TypeError("a bytes-like object is required, not 'coroutine'")>
Traceback (most recent call last):
File "/home/adminsshuser/daly_bms_bt/./daly_bms_bt.py", line 132, in main
await con._data_point("Status", await con.bt_bms.get_status())
File "/home/adminsshuser/daly_bms_bt/modules/daly_bms_bluetooth.py", line 179, in get_status
return super().get_status(response_data=response_data)
File "/home/adminsshuser/daly_bms_bt/modules/daly_bms.py", line 252, in get_status
parts = struct.unpack('>b b ? ? b h x', response_data)
TypeError: a bytes-like object is required, not 'coroutine'
/usr/lib/python3.10/asyncio/base_events.py:1910: RuntimeWarning: coroutine 'DalyBMSBluetooth._read_request' was never awaited
handle = None # Needed to break cycles when an exception occurs.
RuntimeWarning: Enable tracemalloc to get the object allocation traceback
^CINFO [daly_bms_bt.py:188] Keyboard break

Error

Hello,

I have this problem:

INFO [daly_bms_bluetooth.py:46] Bluetooth connecting...
INFO [daly_bms_bluetooth.py:52] Bluetooth connected
INFO [daly_bms_bluetooth.py:113] did not receive 13 or 26 bytes, not implemented bytes: 78
WARNING [daly_bms_bluetooth.py:134] Timeout while waiting for 95 response
INFO [daly_bms_bluetooth.py:113] did not receive 13 or 26 bytes, not implemented bytes: 78
WARNING [daly_bms_bluetooth.py:134] Timeout while waiting for 95 response
INFO [daly_bms_bluetooth.py:113] did not receive 13 or 26 bytes, not implemented bytes: 78
WARNING [daly_bms_bluetooth.py:134] Timeout while waiting for 95 response
ERROR [daly_bms_bluetooth.py:77] 95 failed after 3 tries
ERROR [base_events.py:1738] Task exception was never retrieved
future: <Task finished name='Task-1' coro=<main() done, defined at /home/vincent/DALYBMS/daly_bms_bt/daly_bms_bt.py:123> exception=TypeError("_read_request() got an unexpected keyword argument 'return_list'")>
Traceback (most recent call last):
File "/home/vincent/DALYBMS/daly_bms_bt/daly_bms_bt.py", line 134, in main
await con._data_point("CellVoltages", await con.bt_bms.get_cell_voltages())
File "/home/vincent/DALYBMS/daly_bms_bt/modules/daly_bms_bluetooth.py", line 188, in get_cell_voltages
return super().get_cell_voltages(response_data=response_data)
File "/home/vincent/DALYBMS/daly_bms_bt/modules/daly_bms.py", line 281, in get_cell_voltages
response_data = self._read_request("95", max_responses=max_responses, return_list=True)
TypeError: _read_request() got an unexpected keyword argument 'return_list'

Can you help me ?

cell_voltages

Hi, I have found solution to get the cell_voltages.
This ist my first time on Github for writing an issue.
Down you will find changed code, thats working for me.
In Python I'm a dirty progger.
Regards Andy

DALY 8S 300A
"SoftwareVersion", "20210729-1002A"
"HardwareVersion", "BMS-ST030-309E"

def _calc_num_responses(self, status_field, num_per_frame):
    if not self.status:
        self.logger.error("get_status has to be called at least once before calling get_cell_voltages")
        return False
      # now on my BT BMS it also replies only required frames, hence this is not necessary
      #        # each response message includes 3 cell voltages
    if self.address == 8:
       #           # via Bluetooth the BMS returns all frames, even when they don't have data
        #self.logger.error("status_field %s" % status_field)
        if status_field == 'cell_voltages':
            #compare to cells
            max_responses = 8
        elif status_field == 'cells':
            #compare to cells
            max_responses = 8
        elif status_field == 'temperature_sensors':
            max_responses = 1
        elif status_field == 'temperatures':
            max_responses = 3
        else:
            self.logger.error("unkonwn status_field %s" % status_field)
            return False
    else:
        # via UART/USB the BMS returns only frames that have data
        return math.ceil(self.status[status_field] / num_per_frame)

    return max_responses

===============================

def get_cell_voltages(self, response_data=None):
    if not response_data:
        max_responses = self._calc_num_responses(status_field="cells", num_per_frame=3)
        if not max_responses:
            return
        response_data = self._read_request("95", max_responses=max_responses, return_list=True)
    if not response_data:
        return False

    #cell_voltages = self._split_frames(response_data=response_data, status_field="cells", structure=">b 3h x")
    #only 7 Byte return
    cell_voltages = self._split_frames(response_data=response_data, status_field="cells", structure=">b 3h")

    for id in cell_voltages:
        cell_voltages[id] = cell_voltages[id] / 1000

    return cell_voltages

===============================

def _notification_callback(self, handle, data):
    self.logger.debug("handle %s, data %s, len %s" % (handle, repr(data), len(data)))
    responses = []
    if len(data) == 13:
        if int.from_bytes(self._calc_crc(data[:12]), 'little') != data[12]:
            self.logger.info("Return from BMS: CRC wrong")
            return
        responses.append(data)
    elif len(data) == 26:
        if (int.from_bytes(self._calc_crc(data[:12]), 'little') != data[12]) or (int.from_bytes(self._calc_crc(data[13:25]), 'little') != data[25]):
            self.logger.info("Return from BMS: CRC wrong")
            return
        responses.append(data[:13])
        responses.append(data[13:])
        
    #compare to cells
    elif len(data) == 143:
        if (int.from_bytes(self._calc_crc(data[:12]), 'little') != data[12]) or (int.from_bytes(self._calc_crc(data[13:25]), 'little') != data[25]) or (int.from_bytes(self._calc_crc(data[26:38]), 'little') != data[38]) or (int.from_bytes(self._calc_crc(data[39:51]), 'little') != data[51]) or (int.from_bytes(self._calc_crc(data[52:64]), 'little') != data[64]) or (int.from_bytes(self._calc_crc(data[65:77]), 'little') != data[77]) or (int.from_bytes(self._calc_crc(data[78:90]), 'little') != data[90]) or (int.from_bytes(self._calc_crc(data[91:103]), 'little') != data[103]):
            self.logger.info("Return from BMS: CRC wrong")
            return
        responses.append(data[0:12])
        responses.append(data[13:25])
        responses.append(data[26:38])
        responses.append(data[39:51])
        responses.append(data[52:64])
        responses.append(data[65:77])
        responses.append(data[78:90])
        responses.append(data[91:103])            
    else:
        self.logger.info("did not receive 13 or 26 or 143 bytes, not implemented bytes: %i" % len(data))

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