To LIN communication via UART

I tried to transmit LIN communication data using HAL_LIN_SendBreak and 0x55 sync byte.

The setting is 19200 bps,​ N, 8, 1

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I've looked at an example using stm32Fx but it's not.

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The program is in progress using TrueStudio.

I would appreciate your help if you have a sample on this .

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Thanks in advance !