diff options
Diffstat (limited to 'cores')
| -rw-r--r-- | cores/arduino/HardwareSerial.cpp | 39 |
1 files changed, 1 insertions, 38 deletions
diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp index 9a86fa0..f95fa5d 100644 --- a/cores/arduino/HardwareSerial.cpp +++ b/cores/arduino/HardwareSerial.cpp @@ -283,44 +283,7 @@ HardwareSerial::HardwareSerial( void HardwareSerial::begin(unsigned long baud) { - uint16_t baud_setting; - bool use_u2x = true; - -#if F_CPU == 16000000UL - // hardcoded exception for compatibility with the bootloader shipped - // with the Duemilanove and previous boards and the firmware on the 8U2 - // on the Uno and Mega 2560. - if (baud == 57600) { - use_u2x = false; - } -#endif - -try_again: - - if (use_u2x) { - *_ucsra = 1 << _u2x; - baud_setting = (F_CPU / 4 / baud - 1) / 2; - } else { - *_ucsra = 0; - baud_setting = (F_CPU / 8 / baud - 1) / 2; - } - - if ((baud_setting > 4095) && use_u2x) - { - use_u2x = false; - goto try_again; - } - - // assign the baud_setting, a.k.a. ubbr (USART Baud Rate Register) - *_ubrrh = baud_setting >> 8; - *_ubrrl = baud_setting; - - transmitting = false; - - sbi(*_ucsrb, _rxen); - sbi(*_ucsrb, _txen); - sbi(*_ucsrb, _rxcie); - cbi(*_ucsrb, _udrie); + begin(baud, SERIAL_8N1); } void HardwareSerial::begin(unsigned long baud, byte config) |