Comments (5)
Hi @libangy, can you explain a bit more what you are trying to do ? In CANOpen at any point in time, one node is master, so it depends on what you want to do. Do you wish to read a value from a remote node ? or do you want to write a value to a remote node ?
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I want to know,too
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Have you watched this ? https://www.youtube.com/watch?v=R-r5qIOTjOo
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I want to reset or start other slave nodes by frame ID: 0x0000 need to be configured as master?
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If you just want nodes start in operational mode (so PDOs are working) you can add CO_NMT_ERR_FREE_TO_OPERATIONAL
to your NMT_CONTROL
flag.
If you want one node to receive the HEARTBEAT message of another node and react on its status it is more complicated. I was not able to archive this without changing the code of CANOpenNode (not CANOpenSTM32). If there is a better way to do it, I would also be interested in an example.
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Related Issues (20)
- HAL_FDCAN_ActivateNotification asserts HOT 1
- CUBEMX for STM32H7 initialise issue HOT 1
- Missing CO_new() in canopen_app_process ? HOT 6
- Remove the dependency on TICK timer
- Timer interrupt needs to be stopped during reset communication procedure
- Overflow flag in STM32L4xx HOT 5
- TPDO not working on STM32F1 HOT 3
- Issue with running on STM32H735-DK HOT 1
- STM32F4DISCOVERY CAN port cannot communicate HOT 3
- More just as request for help than an actual issue. HOT 1
- SDO download fails with message flood HOT 2
- connectivity issue with Nucleo-F103RB HOT 6
- node ID is not added to COB ID in EDS file HOT 4
- error handling requirement HOT 1
- STM32H735 Example Nothing after bootup Message HOT 2
- Configuring the micro as MASTER problem, CO_NMT_sendCommand() not defined. HOT 3
- STM32H735_DK Example Issue With SDO HOT 1
- How can I detect that an slave node is connected to the CAN bus before the HeartBeat message HOT 2
- Trying to communicate with CAN 500kbps HOT 9
- Trying to receive SDO messages in SDO client over CO_SDOclient_receive HOT 2
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