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add USART configuration to config.h for PS/2 mouse support (#24398)

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durken1 2024-10-06 10:47:15 +02:00 committed by GitHub
parent 305e7baa71
commit a322107cb7
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1 changed files with 37 additions and 0 deletions
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37
keyboards/pierce/config.h
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@ -23,3 +23,40 @@
/* COL2ROW or ROW2COL */
#define DIODE_DIRECTION COL2ROW
#ifdef PS2_DRIVER_USART
#define PS2_CLOCK_PIN D5
#define PS2_DATA_PIN D2
/* synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge */
/* set DDR of CLOCK as input to be slave */
#define PS2_USART_INIT() do { \
PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT); \
PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT); \
UCSR1C = ((1 << UMSEL10) | \
(3 << UPM10) | \
(0 << USBS1) | \
(3 << UCSZ10) | \
(0 << UCPOL1)); \
UCSR1A = 0; \
UBRR1H = 0; \
UBRR1L = 0; \
} while (0)
#define PS2_USART_RX_INT_ON() do { \
UCSR1B = ((1 << RXCIE1) | \
(1 << RXEN1)); \
} while (0)
#define PS2_USART_RX_POLL_ON() do { \
UCSR1B = (1 << RXEN1); \
} while (0)
#define PS2_USART_OFF() do { \
UCSR1C = 0; \
UCSR1B &= ~((1 << RXEN1) | \
(1 << TXEN1)); \
} while (0)
#define PS2_USART_RX_READY (UCSR1A & (1<<RXC1))
#define PS2_USART_RX_DATA UDR1
#define PS2_USART_ERROR (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1)))
#define PS2_USART_RX_VECT USART1_RX_vect
#define PS2_MOUSE_ROTATE 270 /* Compensate for East-facing device orientation. */
#endif