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Exellent1988 avatar Exellent1988 commented on July 19, 2024

I found some fixes for it myself:
in HardwareSerial.cpp ;

void HardwareSerial::begin(unsigned long baud, byte config)
{
  // Try u2x mode first
  uint16_t baud_setting = 

((F_CPU+baud_8)/(baud_8)-1);

  *_ucsra = 1 << U2X0;

  // hardcoded exception for 57600 for compatibility with the bootloader
  // shipped with the Duemilanove and previous boards and the firmware
  // on the 8U2 on the Uno and Mega 2560. Also, The baud_setting cannot
  // be > 4095, so switch back to non-u2x mode if the baud rate is too
  // low.
  if (((F_CPU == 16000000UL) && (baud == 57600)) || (baud_setting >4095))
  {
    *_ucsra = 0;
    baud_setting = 

((F_CPU+baud_8)/(baud_16)-1);

  }

  // assign the baud_setting, a.k.a. ubrr (USART Baud Rate Register)
  *_ubrrh = baud_setting >> 8;
  *_ubrrl = baud_setting;

  _written = false;

  //set the data bits, parity, and stop bits

#if defined(AVR_gelatino162)
config |= 0x86; // select UCSRC register (shared with UBRRH)
#endif


#if defined(__AVR_ATmega8__) || defined(__AVR_ATmega32__) || defined(__AVR_ATmega16__) || defined(__AVR_ATmega8535__)
  config |= 0x80; // select UCSRC register (shared with UBRRH)
#endif
  *_ucsrc = config;

... and so on,

please add that ;D
Best regards Exel

from gelatino.

vanbwodonk avatar vanbwodonk commented on July 19, 2024

Thank you, already fixed
d5af1fa

from gelatino.

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