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Added note to CAN documentation about bus crash if two ODrives are connected without node ID configuration

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PAJohnson
2020-09-29 17:11:13 -04:00
parent 47e5c693ba
commit 51c9047c35
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docs/can-protocol.md
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@@ -73,7 +73,7 @@ Configuration of the CAN parameters should be done via USB before putting the de
To set the desired baud rate, use `<odrv>.can.set_baud_rate(<value>)`. The baud rate can be done without rebooting the device. If you'd like to keep the baud rate, simply call `<odrv>.save_configuration()` before rebooting.
Each axis looks like a separate node on the bus. Thus, they both have the two properties `can_node_id` and `can_node_id_extended`. The node ID can be from 0 to 63 (0x3F) inclusive, or, if extended CAN IDs are used, from 0 to 16777215 (0xFFFFFF).
Each axis looks like a separate node on the bus. Thus, they both have the two properties `can_node_id` and `can_node_id_extended`. The node ID can be from 0 to 63 (0x3F) inclusive, or, if extended CAN IDs are used, from 0 to 16777215 (0xFFFFFF). If you want to connect more than one ODrive on a CAN bus, you must set different node IDs for the second ODrive or they will conflict and crash the bus.
### Example Configuration