[Ovmsdev] Leaf AZE1 Can1 stuck after poll 7BB group 61

[Michael Balzer]

Wayne,

do you currently apply my CAN timing patch? If not, please try that first.

Also, a general question to all Leaf developers: did anyone yet test 
fixing that random bytes write in `OvmsVehicleNissanLeaf::CommandWakeup()`?

Regards,
Michael


Am 23.03.25 um 06:59 schrieb Wayne Love via OvmsDev:
> Using Leafspy I can see that it's using the following poll and 
> response to get the SOH of the batteries
>
> 1742706668.884315 1R11 79B 02 21 61 00 00 00 00 00 1742706668.892602 
> 1R11 7BB 11 4b 61 61 1a cc 23 70
> However, when try to do the same poll with OVMS using the following 
> code...
>
> static const OvmsPoller::poll_pid_t obdii_polls[] =
>   {
> // BUS 2
> { CHARGER_TXID, CHARGER_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, VIN_PID, 
> {  0, 900, 0, 0 }, 2, ISOTP_STD },           // VIN [19]
> { CHARGER_TXID, CHARGER_RXID, VEHICLE_POLL_TYPE_OBDIIEXTENDED, 
> QC_COUNT_PID, {  0, 900, 0, 0 }, 2, ISOTP_STD },   // QC [2]
> { CHARGER_TXID, CHARGER_RXID, VEHICLE_POLL_TYPE_OBDIIEXTENDED, 
> L1L2_COUNT_PID, {  0, 900, 0, 0 }, 2, ISOTP_STD }, // L0/L1/L2 [2]
> // BUS 1
> { BMS_TXID, BMS_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, 0x01, {  0, 60, 0, 
> 60 }, 1, ISOTP_STD },   // bat [39/41]
> { BMS_TXID, BMS_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, 0x02, {  0, 60, 0, 
> 60 }, 1, ISOTP_STD },   // battery voltages [196]
> { BMS_TXID, BMS_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, 0x06, {  0, 60, 0, 
> 60 }, 1, ISOTP_STD },   // battery shunts [96]
> { BMS_TXID, BMS_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, 0x04, {  0, 300, 
> 0, 300 }, 1, ISOTP_STD }, // battery temperatures [14]
> { BMS_TXID, BMS_RXID, VEHICLE_POLL_TYPE_OBDIIGROUP, 0x61, {  0, 300, 
> 0, 300 }, 1, ISOTP_STD }, // SOH for AZE1
> POLL_LIST_END
>   };
>
> It results a CAN bus error
> 2025-03-23 13:48:10.648 AEDT E (11528) esp32can: can1 stuck bus-off 
> error state (errflags=0x00040cab) detected - resetting bus
> I'm new to this but from what I can work out what I am doing should 
> work.  Any suggestions?
>
> Thanks
> Wayne
>
>
>
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> OvmsDev at lists.openvehicles.com
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-- 
Michael Balzer * Am Rahmen 5 * D-58313 Herdecke
Fon 02330 9104094 * Handy 0176 20698926

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