LPC546 MCAN not sending data continuously.

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LPC546 MCAN not sending data continuously.

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emb02
Contributor IV

I am trying to interface MCAN and want to send data continuously but when I disconnect CAN H or CAN L line it will sets error and giving kStatus_MCAN_TxBusy status. it is not giving idle status when i connect line again. please help me to continuous communication between CAN. I am initiating can using config tools.

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xiangjun_rong
NXP TechSupport
NXP TechSupport

Hi,

What do you mean "when I disconnect CAN H or CAN L line"? do you means that you disconnect both the CAN H or CAN L line between transmitter and receiver nodes?

BR

XiangJun Rong

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emb02
Contributor IV
yes I am disconnecting CAN H, CAN L .
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frank_m
Senior Contributor III

Educate yourself about the meaning of transmit / receive errors, error passive state, and bus-off state, which are intrinsic part of the CAN specification.

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