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- Fix bugs in bmsmonitor
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- Add note README to CAN interface setup
- Add test scenario testing no load state with power on, off
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@jonans
jonans committed Oct 1, 2020
1 parent eacab67 commit 0dae665
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14 changes: 14 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,13 @@ pipenv install
pipenv shell
```

Setup your can interface:

```
ip link set can0 type can bitrate 100000
ip link set can0 txqueuelen 1000 up
```

## What can you do ?

- Analyze the test scenarios and see what you can decode.
Expand All @@ -105,3 +112,10 @@ We can dump all the data and compare the differences under various testing condi
1. [cold-3.csv](tests/cold-3.csv) - 45 min after, room temp 23c
1. [cold-4.csv](tests/cold-4.csv) - 60 min after, room temp 23c

### Testing no load state with power off / on

- Dump BMS at idle with power on then off

1. [idle-power-off.csv](test/idle-power-off.csv) - Power off
1. [idle-power-on.csv](test/idle-power-on.csv) - Power on

136 changes: 136 additions & 0 deletions tests/idle-power-off.csv
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Original file line number Diff line number Diff line change
@@ -0,0 +1,136 @@
Index, SubIndex, Data, IntData_LE, BytesData, Access
0x1000,0x00,43414E42 ,1112424771 ,b'CANB',

0x1001,0x00,00 ,0 ,b'\x00',

0x100A,0x00,000A0001 ,16779776 ,b'\x00\n\x00\x01',

0x1017,0x00,E803 ,1000 ,b'\xe8\x03',

0x1018,0x00,05 ,5 ,b'\x05',
0x1018,0x01,B150B150 ,1353797809 ,b'\xb1P\xb1P',
0x1018,0x02,06000000 ,6 ,b'\x06\x00\x00\x00',
0x1018,0x03,0A000000 ,10 ,b'\n\x00\x00\x00',
0x1018,0x04,00000000 ,0 ,b'\x00\x00\x00\x00',
0x1018,0x05,11F7CA23 ,600504081 ,b'\x11\xf7\xca#',

0x101C,0x00,E803 ,1000 ,b'\xe8\x03',

0x1800,0x00,05 ,5 ,b'\x05',
0x1800,0x01,B0010000 ,432 ,b'\xb0\x01\x00\x00',
0x1800,0x02,FF ,255 ,b'\xff',
0x1800,0x03,0000 ,0 ,b'\x00\x00',
0x1800,0x04,0000 ,0 ,b'\x00\x00',
0x1800,0x05,E803 ,1000 ,b'\xe8\x03',

0x1801,0x00,05 ,5 ,b'\x05',
0x1801,0x01,B0020000 ,688 ,b'\xb0\x02\x00\x00',
0x1801,0x02,FF ,255 ,b'\xff',
0x1801,0x03,0000 ,0 ,b'\x00\x00',
0x1801,0x04,0000 ,0 ,b'\x00\x00',
0x1801,0x05,E803 ,1000 ,b'\xe8\x03',

0x1802,0x00,05 ,5 ,b'\x05',
0x1802,0x01,00000080 ,2147483648 ,b'\x00\x00\x00\x80',
0x1802,0x02,00 ,0 ,b'\x00',
0x1802,0x03,0000 ,0 ,b'\x00\x00',
0x1802,0x04,0000 ,0 ,b'\x00\x00',
0x1802,0x05,0000 ,0 ,b'\x00\x00',

0x1803,0x00,05 ,5 ,b'\x05',
0x1803,0x01,00000080 ,2147483648 ,b'\x00\x00\x00\x80',
0x1803,0x02,00 ,0 ,b'\x00',
0x1803,0x03,0000 ,0 ,b'\x00\x00',
0x1803,0x04,0000 ,0 ,b'\x00\x00',
0x1803,0x05,0000 ,0 ,b'\x00\x00',

0x1A00,0x00,00 ,0 ,b'\x00',

0x1A01,0x00,00 ,0 ,b'\x00',

0x1A02,0x00,00 ,0 ,b'\x00',

0x1A03,0x00,00 ,0 ,b'\x00',

0x2000,0x00,04 ,4 ,b'\x04',
0x2000,0x01,9C86 ,34460 ,b'\x9c\x86',
0x2000,0x02,EF09 ,2543 ,b'\xef\t',
0x2000,0x03,F2FF ,65522 ,b'\xf2\xff',
0x2000,0x04,A605 ,1446 ,b'\xa6\x05',

0x2001,0x00,00 ,0 ,b'\x00',

0x2010,0x00,0E ,14 ,b'\x0e',
0x2010,0x01,0C ,12 ,b'\x0c',
0x2010,0x02,802B ,11136 ,b'\x80+',
0x2010,0x03,00 ,0 ,b'\x00',
0x2010,0x04,00 ,0 ,b'\x00',
0x2010,0x05,00 ,0 ,b'\x00',
0x2010,0x06,01 ,1 ,b'\x01',
0x2010,0x07,00 ,0 ,b'\x00',
0x2010,0x08,01 ,1 ,b'\x01',
0x2010,0x09,00 ,0 ,b'\x00',
0x2010,0x0A,0000 ,0 ,b'\x00\x00',
0x2010,0x0B,00000000 ,0 ,b'\x00\x00\x00\x00',
0x2010,0x0C,8809 ,2440 ,b'\x88\t',
0x2010,0x0D,3D09 ,2365 ,b'=\t',

0x2100,0x00,00 ,0 ,b'\x00',

0x2101,0x00,00 ,0 ,b'\x00',

0x2102,0x00,00 ,0 ,b'\x00',

0x2103,0x00,00 ,0 ,b'\x00',

0x2104,0x00,00 ,0 ,b'\x00',

0x2105,0x00,00 ,0 ,b'\x00',

0x2200,0x00,03 ,3 ,b'\x03',
0x2200,0x01,00 ,0 ,b'\x00',
0x2200,0x02,00 ,0 ,b'\x00',
0x2200,0x03,01000000 ,1 ,b'\x01\x00\x00\x00',

0x2201,0x00,02 ,2 ,b'\x02',
0x2201,0x01,01 ,1 ,b'\x01',
0x2201,0x02,00 ,0 ,b'\x00',

0x2202,0x00,02 ,2 ,b'\x02',
0x2202,0x01,00 ,0 ,b'\x00',

0x2300,0x00,03 ,3 ,b'\x03',
0x2300,0x01,00 ,0 ,b'\x00',
0x2300,0x02,00000000 ,0 ,b'\x00\x00\x00\x00',
0x2300,0x03,00000000 ,0 ,b'\x00\x00\x00\x00',

0x2301,0x00,05 ,5 ,b'\x05',
0x2301,0x01,0000 ,0 ,b'\x00\x00',
0x2301,0x02,0000 ,0 ,b'\x00\x00',
0x2301,0x03,0000 ,0 ,b'\x00\x00',
0x2301,0x04,0000 ,0 ,b'\x00\x00',
0x2301,0x05,00 ,0 ,b'\x00',

0x2400,0x00,00000000 ,0 ,b'\x00\x00\x00\x00',

0x2401,0x00,00000000 ,0 ,b'\x00\x00\x00\x00',

0x5000,0x00,02 ,2 ,b'\x02',
0x5000,0x01,00 ,0 ,b'\x00',
0x5000,0x02,00 ,0 ,b'\x00',

0x5100,0x00,04 ,4 ,b'\x04',
0x5100,0x01,16ED0808 ,134802710 ,b'\x16\xed\x08\x08',
0x5100,0x02,00004D53 ,1397555200 ,b'\x00\x00MS',
0x5100,0x03,DC77FB5B ,1543206876 ,b'\xdcw\xfb[',
0x5100,0x04,020000F5 ,4110417922 ,b'\x02\x00\x00\xf5',

0x5101,0x00,01 ,1 ,b'\x01',
0x5101,0x01,00 ,0 ,b'\x00',

0x5102,0x00,02 ,2 ,b'\x02',
0x5102,0x01,00000000 ,0 ,b'\x00\x00\x00\x00',
0x5102,0x02,00000000 ,0 ,b'\x00\x00\x00\x00',

0x5103,0x00,00 ,0 ,b'\x00',
0x5103,0x01,04000000 ,4 ,b'\x04\x00\x00\x00',
136 changes: 136 additions & 0 deletions tests/idle-power-on.csv
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Original file line number Diff line number Diff line change
@@ -0,0 +1,136 @@
Index, SubIndex, Data, IntData_LE, BytesData, Access
0x1000,0x00,43414E42 ,1112424771 ,b'CANB',

0x1001,0x00,00 ,0 ,b'\x00',

0x100A,0x00,000A0001 ,16779776 ,b'\x00\n\x00\x01',

0x1017,0x00,E803 ,1000 ,b'\xe8\x03',

0x1018,0x00,05 ,5 ,b'\x05',
0x1018,0x01,B150B150 ,1353797809 ,b'\xb1P\xb1P',
0x1018,0x02,06000000 ,6 ,b'\x06\x00\x00\x00',
0x1018,0x03,0A000000 ,10 ,b'\n\x00\x00\x00',
0x1018,0x04,00000000 ,0 ,b'\x00\x00\x00\x00',
0x1018,0x05,11F7CA23 ,600504081 ,b'\x11\xf7\xca#',

0x101C,0x00,E803 ,1000 ,b'\xe8\x03',

0x1800,0x00,05 ,5 ,b'\x05',
0x1800,0x01,B0010000 ,432 ,b'\xb0\x01\x00\x00',
0x1800,0x02,FF ,255 ,b'\xff',
0x1800,0x03,0000 ,0 ,b'\x00\x00',
0x1800,0x04,0000 ,0 ,b'\x00\x00',
0x1800,0x05,E803 ,1000 ,b'\xe8\x03',

0x1801,0x00,05 ,5 ,b'\x05',
0x1801,0x01,B0020000 ,688 ,b'\xb0\x02\x00\x00',
0x1801,0x02,FF ,255 ,b'\xff',
0x1801,0x03,0000 ,0 ,b'\x00\x00',
0x1801,0x04,0000 ,0 ,b'\x00\x00',
0x1801,0x05,E803 ,1000 ,b'\xe8\x03',

0x1802,0x00,05 ,5 ,b'\x05',
0x1802,0x01,00000080 ,2147483648 ,b'\x00\x00\x00\x80',
0x1802,0x02,00 ,0 ,b'\x00',
0x1802,0x03,0000 ,0 ,b'\x00\x00',
0x1802,0x04,0000 ,0 ,b'\x00\x00',
0x1802,0x05,0000 ,0 ,b'\x00\x00',

0x1803,0x00,05 ,5 ,b'\x05',
0x1803,0x01,00000080 ,2147483648 ,b'\x00\x00\x00\x80',
0x1803,0x02,00 ,0 ,b'\x00',
0x1803,0x03,0000 ,0 ,b'\x00\x00',
0x1803,0x04,0000 ,0 ,b'\x00\x00',
0x1803,0x05,0000 ,0 ,b'\x00\x00',

0x1A00,0x00,00 ,0 ,b'\x00',

0x1A01,0x00,00 ,0 ,b'\x00',

0x1A02,0x00,00 ,0 ,b'\x00',

0x1A03,0x00,00 ,0 ,b'\x00',

0x2000,0x00,04 ,4 ,b'\x04',
0x2000,0x01,9C86 ,34460 ,b'\x9c\x86',
0x2000,0x02,080A ,2568 ,b'\x08\n',
0x2000,0x03,E2FF ,65506 ,b'\xe2\xff',
0x2000,0x04,A605 ,1446 ,b'\xa6\x05',

0x2001,0x00,00 ,0 ,b'\x00',

0x2010,0x00,0E ,14 ,b'\x0e',
0x2010,0x01,0C ,12 ,b'\x0c',
0x2010,0x02,802B ,11136 ,b'\x80+',
0x2010,0x03,00 ,0 ,b'\x00',
0x2010,0x04,00 ,0 ,b'\x00',
0x2010,0x05,00 ,0 ,b'\x00',
0x2010,0x06,01 ,1 ,b'\x01',
0x2010,0x07,00 ,0 ,b'\x00',
0x2010,0x08,01 ,1 ,b'\x01',
0x2010,0x09,00 ,0 ,b'\x00',
0x2010,0x0A,0000 ,0 ,b'\x00\x00',
0x2010,0x0B,00000000 ,0 ,b'\x00\x00\x00\x00',
0x2010,0x0C,9709 ,2455 ,b'\x97\t',
0x2010,0x0D,4C09 ,2380 ,b'L\t',

0x2100,0x00,00 ,0 ,b'\x00',

0x2101,0x00,00 ,0 ,b'\x00',

0x2102,0x00,00 ,0 ,b'\x00',

0x2103,0x00,00 ,0 ,b'\x00',

0x2104,0x00,00 ,0 ,b'\x00',

0x2105,0x00,00 ,0 ,b'\x00',

0x2200,0x00,03 ,3 ,b'\x03',
0x2200,0x01,01 ,1 ,b'\x01',
0x2200,0x02,01 ,1 ,b'\x01',
0x2200,0x03,00000000 ,0 ,b'\x00\x00\x00\x00',

0x2201,0x00,02 ,2 ,b'\x02',
0x2201,0x01,01 ,1 ,b'\x01',
0x2201,0x02,00 ,0 ,b'\x00',

0x2202,0x00,02 ,2 ,b'\x02',
0x2202,0x01,00 ,0 ,b'\x00',

0x2300,0x00,03 ,3 ,b'\x03',
0x2300,0x01,00 ,0 ,b'\x00',
0x2300,0x02,00000000 ,0 ,b'\x00\x00\x00\x00',
0x2300,0x03,00000000 ,0 ,b'\x00\x00\x00\x00',

0x2301,0x00,05 ,5 ,b'\x05',
0x2301,0x01,0000 ,0 ,b'\x00\x00',
0x2301,0x02,0000 ,0 ,b'\x00\x00',
0x2301,0x03,0000 ,0 ,b'\x00\x00',
0x2301,0x04,0000 ,0 ,b'\x00\x00',
0x2301,0x05,00 ,0 ,b'\x00',

0x2400,0x00,00000000 ,0 ,b'\x00\x00\x00\x00',

0x2401,0x00,00000000 ,0 ,b'\x00\x00\x00\x00',

0x5000,0x00,02 ,2 ,b'\x02',
0x5000,0x01,01 ,1 ,b'\x01',
0x5000,0x02,01 ,1 ,b'\x01',

0x5100,0x00,04 ,4 ,b'\x04',
0x5100,0x01,16ED0808 ,134802710 ,b'\x16\xed\x08\x08',
0x5100,0x02,00004D53 ,1397555200 ,b'\x00\x00MS',
0x5100,0x03,DC77FB5B ,1543206876 ,b'\xdcw\xfb[',
0x5100,0x04,020000F5 ,4110417922 ,b'\x02\x00\x00\xf5',

0x5101,0x00,01 ,1 ,b'\x01',
0x5101,0x01,00 ,0 ,b'\x00',

0x5102,0x00,02 ,2 ,b'\x02',
0x5102,0x01,00000000 ,0 ,b'\x00\x00\x00\x00',
0x5102,0x02,00000000 ,0 ,b'\x00\x00\x00\x00',

0x5103,0x00,00 ,0 ,b'\x00',
0x5103,0x01,04000000 ,4 ,b'\x04\x00\x00\x00',
43 changes: 25 additions & 18 deletions tools/bmsmonitor
View file
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ import canopen

logging.basicConfig(level=logging.WARNING)

EVENT_TIMER=5000
BMSINFO = {}


Expand All @@ -26,15 +27,17 @@ def eprint(*args, **kwargs):
def set_defaults():
" Set default values for BMSINFO "

names = ['voltage',
'unknown_2000_04',
'unknown_2010_02',
'unknown',
names = ['power',
'voltage',
'temp1',
'temp2',
'temp3',
'unknown_2000_03']

'unknown_2000_03',
'unknown_2000_04',
'unknown_2010_01',
'unknown_2010_02',
]

# Set default value for all variables
for var in names:
BMSINFO.setdefault(var, "")
Expand All @@ -46,7 +49,7 @@ def show_status(info):
msg = """
Updated : {last_update}
Power : {output}
Power : {power}
Voltage : {voltage}v
Temp 1 : {temp1} degrees C
Temp 2 : {temp2} degrees C
Expand All @@ -63,23 +66,26 @@ def show_status(info):

print(msg)

def strhexint(data):
return "%s (%s)" % (data.hex(),int.from_bytes(data,'little'))

def hardway_handle_tpdo(canid, data, tstamp):
""" Manually decode incoming TPDO messages """

if canid == 0x1b0:
if canid == 0x1b0: # Decode TPDO 1
BMSINFO['voltage'] = int.from_bytes(data[0:2], 'little') / 1000.0
BMSINFO['unknown_2000_04'] = int.from_bytes(data[2:4], 'little')
BMSINFO['unknown_2010_02'] = int.from_bytes(data[4:6], 'little')
BMSINFO['unknown_2010_01'] = data[6:7].hex()
BMSINFO['output'] = 'on' if ord(data[7:8]) else 'off'
elif canid == 0x2b0:
BMSINFO['unknown_2000_04'] = strhexint(data[2:4])
BMSINFO['unknown_2010_02'] = strhexint(data[4:6])
BMSINFO['unknown_2010_01'] = strhexint(data[6:7])
BMSINFO['power'] = 'on' if ord(data[7:8]) else 'off'
elif canid == 0x2b0: # Decode TPDO 2
BMSINFO['temp1'] = int.from_bytes(data[0:2], 'little') / 100.0
BMSINFO['temp2'] = int.from_bytes(data[2:4], 'little') / 100.0
BMSINFO['temp3'] = int.from_bytes(data[4:6], 'little') / 100.0
BMSINFO['unknown_2000_03'] = int.from_bytes(data[0:2], 'little')
BMSINFO['unknown_2000_03'] = strhexint(data[6:8])

BMSINFO['last_update'] = str(datetime.datetime.fromtimestamp(tstamp))
BMSINFO['last_update'] = datetime.datetime.fromtimestamp(tstamp).\
isoformat(' ',timespec='seconds')
show_status(BMSINFO)


Expand All @@ -106,9 +112,10 @@ def the_hard_way(network):
node.sdo.download(0x1800, 0x3, bytes.fromhex('0000'))
node.sdo.download(0x1801, 0x3, bytes.fromhex('0000'))

# Configure event interval to 5 seconds
node.sdo.download(0x1800, 0x5, bytes.fromhex('8813'))
node.sdo.download(0x1801, 0x5, bytes.fromhex('8813'))
# Configure event interval to EVENT_TIMER
interval = EVENT_TIMER.to_bytes(2,byteorder='little')
node.sdo.download(0x1800, 0x5, interval)
node.sdo.download(0x1801, 0x5, interval)

# Enable TPDO 1 & 2
node.sdo.download(0x1800, 0x1, bytes.fromhex('b0010000'))
Expand Down

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