Serial Buffer

Official Hardware Portenta Family Portenta H7
1

Hello,
where is the Rx and Tx buffer size for the serial communication line to set?
I have found the define MBED_CONF_DRIVERS_UART_SERIAL_RXBUF_SIZE but what I set there no change.

2

I have found where the size is defined
Serial.h -> RingBufferN<256> rx_buffer;
Maybe this should be
RingBufferN<MBED_CONF_DRIVERS_UART_SERIAL_RXBUF_SIZE> rx_buffer;

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