Fix key stack and PS/2 Overrun
parent
8b4fa599cf
commit
10b2b1ae43
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@ -40,6 +40,52 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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)
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//#define NO_SUSPEND_POWER_DOWN
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/*
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* PS/2 Busywait
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*/
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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 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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#endif
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/*
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* PS/2 Pin interrupt
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*/
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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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/*
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* PS/2 USART
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*/
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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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@ -51,7 +97,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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@ -82,7 +127,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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#elif defined(__AVR_ATmega168__) || defined(__AVR_ATmega168P__) || defined(__AVR_ATmega328P__)
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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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@ -93,7 +137,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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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 0
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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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@ -127,41 +170,4 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#endif
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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 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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#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_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 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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#endif
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#endif
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@ -29,6 +29,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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static void matrix_make(uint8_t code);
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static void matrix_break(uint8_t code);
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static void matrix_clear(void);
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#ifdef MATRIX_HAS_GHOST
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static bool matrix_has_ghost_in_row(uint8_t row);
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#endif
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@ -84,6 +85,7 @@ uint8_t matrix_cols(void)
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void matrix_init(void)
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{
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debug_enable = true;
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ps2_host_init();
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// initialize matrix state: all keys off
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@ -209,16 +211,18 @@ uint8_t matrix_scan(void)
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state = INIT;
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break;
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case 0x00: // Overrun [3]p.25
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print("Overrun\n");
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matrix_clear();
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clear_keyboard();
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print("Overrun\n");
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state = INIT;
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break;
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default: // normal key make
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if (code < 0x80) {
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matrix_make(code);
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} else {
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xprintf("unexpected scan code at INIT: %02X\n", code);
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matrix_clear();
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clear_keyboard();
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xprintf("unexpected scan code at INIT: %02X\n", code);
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}
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state = INIT;
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}
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@ -239,8 +243,9 @@ uint8_t matrix_scan(void)
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if (code < 0x80) {
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matrix_make(code|0x80);
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} else {
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xprintf("unexpected scan code at E0: %02X\n", code);
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matrix_clear();
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clear_keyboard();
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xprintf("unexpected scan code at E0: %02X\n", code);
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}
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state = INIT;
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}
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@ -255,12 +260,18 @@ uint8_t matrix_scan(void)
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matrix_break(PRINT_SCREEN);
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state = INIT;
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break;
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case 0xF0:
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matrix_clear();
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clear_keyboard();
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xprintf("unexpected scan code at F0: F0(clear and cont.)\n");
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break;
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default:
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if (code < 0x80) {
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matrix_break(code);
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} else {
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xprintf("unexpected scan code at F0: %02X\n", code);
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matrix_clear();
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clear_keyboard();
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xprintf("unexpected scan code at F0: %02X\n", code);
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}
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state = INIT;
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}
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@ -275,8 +286,9 @@ uint8_t matrix_scan(void)
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if (code < 0x80) {
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matrix_break(code|0x80);
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} else {
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xprintf("unexpected scan code at E0_F0: %02X\n", code);
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matrix_clear();
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clear_keyboard();
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xprintf("unexpected scan code at E0_F0: %02X\n", code);
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}
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state = INIT;
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}
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@ -369,10 +381,13 @@ uint8_t matrix_scan(void)
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}
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}
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if (ps2_error > PS2_ERR_STARTBIT3) {
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// TODO: request RESEND when error occurs?
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/*
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if (PS2_IS_FAILED(ps2_error)) {
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uint8_t ret = ps2_host_send(PS2_RESEND);
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xprintf("Resend: %02X\n", ret);
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}
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*/
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return 1;
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}
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@ -464,3 +479,9 @@ static void matrix_break(uint8_t code)
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is_modified = true;
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}
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}
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inline
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static void matrix_clear(void)
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{
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for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
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}
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