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@ -67,4 +67,89 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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//#define NO_ACTION_MACRO
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//#define NO_ACTION_FUNCTION
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/* PS/2 mouse */
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#define PS2_MOUSE_DEBUG
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#ifdef PS2_USE_BUSYWAIT
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# define PS2_CLOCK_PORT PORTD
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# define PS2_CLOCK_PIN PIND
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# define PS2_CLOCK_DDR DDRD
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# define PS2_CLOCK_BIT 1
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# define PS2_DATA_PORT PORTD
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# define PS2_DATA_PIN PIND
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# define PS2_DATA_DDR DDRD
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# define PS2_DATA_BIT 2
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#endif
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#ifdef PS2_USE_INT
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/* uses INT1 for clock line(ATMega32U4) */
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#define PS2_CLOCK_PORT PORTD
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#define PS2_CLOCK_PIN PIND
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#define PS2_CLOCK_DDR DDRD
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#define PS2_CLOCK_BIT 1
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#define PS2_DATA_PORT PORTD
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#define PS2_DATA_PIN PIND
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#define PS2_DATA_DDR DDRD
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#define PS2_DATA_BIT 2
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#define PS2_INT_INIT() do { \
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EICRA |= ((1<<ISC11) | \
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(0<<ISC10)); \
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} while (0)
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#define PS2_INT_ON() do { \
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EIMSK |= (1<<INT1); \
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} while (0)
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#define PS2_INT_OFF() do { \
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EIMSK &= ~(1<<INT1); \
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} while (0)
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#define PS2_INT_VECT INT1_vect
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#endif
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#ifdef PS2_USE_USART
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#if defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)
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/* XCK for clock line and RXD for data line */
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#define PS2_CLOCK_PORT PORTD
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#define PS2_CLOCK_PIN PIND
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#define PS2_CLOCK_DDR DDRD
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#define PS2_CLOCK_BIT 5
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#define PS2_DATA_PORT PORTD
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#define PS2_DATA_PIN PIND
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#define PS2_DATA_DDR DDRD
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#define PS2_DATA_BIT 2
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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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#endif
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#endif
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#endif
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