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@@ -23,3 +23,40 @@
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/* COL2ROW or ROW2COL */
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#define DIODE_DIRECTION COL2ROW
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+
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+#ifdef PS2_DRIVER_USART
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+#define PS2_CLOCK_PIN D5
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+#define PS2_DATA_PIN D2
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+
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+/* synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge */
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+/* set DDR of CLOCK as input to be slave */
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+#define PS2_USART_INIT() do { \
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+ PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT); \
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+ PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT); \
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+ UCSR1C = ((1 << UMSEL10) | \
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+ (3 << UPM10) | \
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+ (0 << USBS1) | \
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+ (3 << UCSZ10) | \
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+ (0 << UCPOL1)); \
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+ UCSR1A = 0; \
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+ UBRR1H = 0; \
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+ UBRR1L = 0; \
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+} while (0)
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+#define PS2_USART_RX_INT_ON() do { \
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+ UCSR1B = ((1 << RXCIE1) | \
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+ (1 << RXEN1)); \
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+} while (0)
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+#define PS2_USART_RX_POLL_ON() do { \
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+ UCSR1B = (1 << RXEN1); \
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+} while (0)
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+#define PS2_USART_OFF() do { \
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+ UCSR1C = 0; \
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+ UCSR1B &= ~((1 << RXEN1) | \
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+ (1 << TXEN1)); \
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+} while (0)
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+#define PS2_USART_RX_READY (UCSR1A & (1<<RXC1))
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+#define PS2_USART_RX_DATA UDR1
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+#define PS2_USART_ERROR (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1)))
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+#define PS2_USART_RX_VECT USART1_RX_vect
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+#define PS2_MOUSE_ROTATE 270 /* Compensate for East-facing device orientation. */
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+#endif
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durken1