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| author | durken1 <71756879+durken1@users.noreply.github.com> | 2024-10-06 10:47:15 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-10-06 21:47:15 +1300 |
| commit | a322107cb7b347a8c2020fcab5b9505c328daa24 (patch) | |
| tree | df1d7589817bdfeca2976b852ae641e54db064f8 | |
| parent | 305e7baa71ccecf8c126863a7f439361dd9cc750 (diff) | |
add USART configuration to config.h for PS/2 mouse support (#24398)
| -rw-r--r-- | keyboards/pierce/config.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/keyboards/pierce/config.h b/keyboards/pierce/config.h index 82c4b4b264..3b89c38603 100644 --- a/keyboards/pierce/config.h +++ b/keyboards/pierce/config.h @@ -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 |