diff options
Diffstat (limited to 'converter/pc98_usb')
| -rw-r--r-- | converter/pc98_usb/config.h | 9 | ||||
| -rw-r--r-- | converter/pc98_usb/matrix.c | 6 |
2 files changed, 12 insertions, 3 deletions
diff --git a/converter/pc98_usb/config.h b/converter/pc98_usb/config.h index 8bcaa26db9..6f9f8fc3cf 100644 --- a/converter/pc98_usb/config.h +++ b/converter/pc98_usb/config.h @@ -55,7 +55,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ #define SERIAL_BAUD 19200 #define SERIAL_PARITY_ODD -#define SERIAL_BIT_ORDER_MSB +#define SERIAL_BIT_ORDER_LSB #define SERIAL_RXD_DDR DDRD #define SERIAL_RXD_PORT PORTD @@ -67,7 +67,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. SERIAL_RXD_DDR &= ~(1<<SERIAL_RXD_BIT); \ SERIAL_RXD_PORT |= (1<<SERIAL_RXD_BIT); \ /* enable interrupt: INT2(rising edge) */ \ - EICRA |= ((1<<ISC21)|(1<<ISC20)); \ + /*EICRA |= ((1<<ISC21)|(1<<ISC20));*/ \ + /* enable interrupt: INT2(falling edge) */ \ + EICRA |= ((1<<ISC21)|(0<<ISC20)); \ EIMSK |= (1<<INT2); \ } while (0) #define SERIAL_RXD_INT_ENTER() @@ -75,7 +77,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. /* clear interrupt flag */ \ EIFR = (1<<INTF2); \ } while (0) -#define SERIAL_RXD_READ() (~SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT)) +//#define SERIAL_RXD_READ() (~SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT)) +#define SERIAL_RXD_READ() ((SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT))) #define SERIAL_TXD_DDR DDRD #define SERIAL_TXD_PORT PORTD diff --git a/converter/pc98_usb/matrix.c b/converter/pc98_usb/matrix.c index b3c11dc210..ef2bc38186 100644 --- a/converter/pc98_usb/matrix.c +++ b/converter/pc98_usb/matrix.c @@ -73,6 +73,8 @@ void matrix_init(void) PC98_RDY_PORT |= (1<<PC98_RDY_BIT); PC98_RTY_PORT |= (1<<PC98_RTY_BIT); + DDRD |= 1<<7; + serial_init(); @@ -83,6 +85,9 @@ void matrix_init(void) _delay_us(13); PC98_RDY_PORT |= (1<<PC98_RDY_BIT); + // PC98 ready + PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); + // initialize matrix state: all keys off for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00; @@ -96,6 +101,7 @@ uint8_t matrix_scan(void) uint8_t code; PC98_RDY_PORT |= (1<<PC98_RDY_BIT); + _delay_us(30); code = serial_recv(); PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT); if (!code) return 0; |