keyboards/planck/keymaps/thermal_printer/config.h

   1 #ifndef CONFIG_USER_H
   2 #define CONFIG_USER_H
   3
   4 #include "../../config.h"
   5
   6 #      define SERIAL_UART_BAUD 19200
   7 #      define SERIAL_UART_DATA UDR1
   8 #      define SERIAL_UART_UBRR (F_CPU / (16UL * SERIAL_UART_BAUD) - 1)
   9 #      define SERIAL_UART_RXD_VECT USART1_RX_vect
  10 #      define SERIAL_UART_TXD_READY (UCSR1A & _BV(UDRE1))
  11 #      define SERIAL_UART_INIT() do { \
  12             /* baud rate */ \
  13             UBRR1L = SERIAL_UART_UBRR; \
  14             /* baud rate */ \
  15             UBRR1H = SERIAL_UART_UBRR >> 8; \
  16             /* enable TX */ \
  17             UCSR1B = _BV(TXEN1); \
  18             /* 8-bit data */ \
  19             UCSR1C = _BV(UCSZ11) | _BV(UCSZ10); \
  20             sei(); \
  21         } while(0)
  22
  23  #endif