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PKM · 2020-07-29

The Project was migrated from STM32L4 to STM32L5. The Baudrate setting with HAL_UART_Init() works fine with L4 MCU. With L5 MCU it returns with an HAL_UART_ERROR_NONE too.

PKM · 2020-07-30

Hi, Problem is solved.The wrong Definition of the "HSE_VALU"E was as mentionend by clive1 in "stm32l5xx_hal_conf.h", but the file "system_stm32l5xx.c" had to be changed in the same way.Thanks very much.

PKM · 2020-07-29

Thanks for the quick and good comments,@TDKThe issue is that the UART just did not recognize the incomming Data with a BRR setting of 0x42 (Set by HAL_UART_Init() Call)Using the Formulaes I got a BRR=0x73 and the UART recognizes incoming Data correct...

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MCU STM32L562: With initialising the UART using HAL_UART_Init() the UART-communication is not working. Calculating the BRR like shown in the reference manual gives a working BRR-Value. Is the HAL_UART_Init() not intended for setting the BRR ?

Re: MCU STM32L562: With initialising the UART using HAL_UART_Init() the UART-communication is not working. Calculating the BRR like shown in the reference manual gives a working BRR-Value. Is the HAL_UART_Init() not intended for setting the BRR ?

Re: MCU STM32L562: With initialising the UART using HAL_UART_Init() the UART-communication is not working. Calculating the BRR like shown in the reference manual gives a working BRR-Value. Is the HAL_UART_Init() not intended for setting the BRR ?