diff options
Diffstat (limited to 'ps2_vusb/config.h')
| -rw-r--r-- | ps2_vusb/config.h | 88 |
1 files changed, 69 insertions, 19 deletions
diff --git a/ps2_vusb/config.h b/ps2_vusb/config.h index 858fe883fb..9447dd9366 100644 --- a/ps2_vusb/config.h +++ b/ps2_vusb/config.h @@ -3,7 +3,9 @@ #define VENDOR_ID 0xFEED -#define PRODUCT_ID 0x6512 +#define PRODUCT_ID 0x2233 +// TODO: share these strings with usbconfig.h +// Edit usbconfig.h to change these. #define MANUFACTURER t.m.k. #define PRODUCT PS/2 keyboard converter #define DESCRIPTION convert PS/2 keyboard to USB @@ -33,36 +35,84 @@ #define PS2_CLOCK_PORT PORTD #define PS2_CLOCK_PIN PIND #define PS2_CLOCK_DDR DDRD -#define PS2_CLOCK_BIT 3 +#define PS2_CLOCK_BIT 4 #define PS2_DATA_PORT PORTD #define PS2_DATA_PIN PIND #define PS2_DATA_DDR DDRD -#define PS2_DATA_BIT 7 +#define PS2_DATA_BIT 0 -/* External interrupt for PS/2 clock line (optional) */ -#define PS2_INT_ENABLE() do { \ - EIMSK |= (1<<INT1); \ - EICRA |= ((1<<ISC11) | (0<<ISC10)); \ - EIFR |= (1<<INTF1); \ + +// Synchronous USART is used to receive data from keyboard. +// Use RXD pin for PS/2 DATA line and XCK for PS/2 CLOCK. +// NOTE: This is recomended strongly if you use V-USB library. +#define PS2_USE_USART + +// External or Pin Change Interrupt is used to receive data from keyboard. +// Use INT1 or PCINTxx for PS/2 CLOCK line. see below. +//#define PS2_USE_INT + + +#ifdef PS2_USE_USART +// 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); \ + UCSR0C = ((1 << UMSEL00) | \ + (3 << UPM00) | \ + (0 << USBS0) | \ + (3 << UCSZ00) | \ + (0 << UCPOL0)); \ + UCSR0A = 0; \ + UBRR0H = 0; \ + UBRR0L = 0; \ } while (0) +#define PS2_USART_RX_INT_ON() do { \ + UCSR0B = ((1 << RXCIE0) | \ + (1 << RXEN0)); \ +} while (0) +#define PS2_USART_RX_POLL_ON() do { \ + UCSR0B = (1 << RXEN0); \ +} while (0) +#define PS2_USART_OFF() do { \ + UCSR0C = 0; \ + UCSR0B &= ~((1 << RXEN0) | \ + (1 << TXEN0)); \ +} while (0) +#define PS2_USART_RX_READY (UCSR0A & (1<<RXC0)) +#define PS2_USART_RX_DATA UDR0 +#define PS2_USART_ERROR (UCSR0A & ((1<<FE0) | (1<<DOR0) | (1<<UPE0))) +#define PS2_USART_RX_VECT USART_RX_vect +#endif -#define PS2_INT_DISABLE() do { \ + +#ifdef PS2_USE_INT +/* INT1 +#define PS2_INT_INIT() do { \ + EICRA |= ((1<<ISC11) | \ + (0<<ISC10)); \ +} while (0) +#define PS2_INT_ON() do { \ + EIMSK |= (1<<INT1); \ +} while (0) +#define PS2_INT_OFF() do { \ EIMSK &= ~(1<<INT1); \ } while (0) #define PS2_INT_VECT INT1_vect +*/ -/* Pin Change interrupt for PS/2 clock line (optional) -#define PS2_INT_ENABLE() do { \ - PCMSK2 |= (1<<PCINT22); \ - PCICR |= (1<<PCIE2); \ - PCIFR |= (1<<PCIF2); \ +/* PCINT20 */ +#define PS2_INT_INIT() do { \ + PCICR |= (1<<PCIE2); \ } while (0) - -#define PS2_INT_DISABLE() do { \ - PCMSK2 &= ~(1<<PCINT22); \ - PCICR &= ~(1<<PCIE); \ +#define PS2_INT_ON() do { \ + PCMSK2 |= (1<<PCINT20); \ +} while (0) +#define PS2_INT_OFF() do { \ + PCMSK2 &= ~(1<<PCINT20); \ + PCICR &= ~(1<<PCIE2); \ } while (0) #define PS2_INT_VECT PCINT2_vect -*/ +#endif #endif |