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qmk_firmware

custom branch of QMK firmware git clone https://anongit.hacktivis.me/git/qmk_firmware.git

config.h (1270B)

    

  1. #pragma once
  4. #ifdef PS2_DRIVER_USART
  5. #define PS2_CLOCK_PIN   D5
  6. #define PS2_DATA_PIN    D2
  8.   /* synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge */
  9.   /* set DDR of CLOCK as input to be slave */
  10.   #define PS2_USART_INIT() do {   \
  11.       PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT);   \
  12.       PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT);     \
  13.       UCSR1C = ((1 << UMSEL10) |  \
  14.                 (3 << UPM10)   |  \
  15.                 (0 << USBS1)   |  \
  16.                 (3 << UCSZ10)  |  \
  17.                 (0 << UCPOL1));   \
  18.       UCSR1A = 0;                 \
  19.       UBRR1H = 0;                 \
  20.       UBRR1L = 0;                 \
  21.   } while (0)
  22.   #define PS2_USART_RX_INT_ON() do {  \
  23.       UCSR1B = ((1 << RXCIE1) |       \
  24.                 (1 << RXEN1));        \
  25.   } while (0)
  26.   #define PS2_USART_RX_POLL_ON() do { \
  27.       UCSR1B = (1 << RXEN1);          \
  28.   } while (0)
  29.   #define PS2_USART_OFF() do {    \
  30.       UCSR1C = 0;                 \
  31.       UCSR1B &= ~((1 << RXEN1) |  \
  32.                   (1 << TXEN1));  \
  33.   } while (0)
  34.   #define PS2_USART_RX_READY      (UCSR1A & (1<<RXC1))
  35.   #define PS2_USART_RX_DATA       UDR1
  36.   #define PS2_USART_ERROR         (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1)))
  37.   #define PS2_USART_RX_VECT       USART1_RX_vect
  38. #endif