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pc98_usb: Update protocol commands

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This commit is contained in:
tmk 2018-06-02 20:40:08 +09:00
parent 6ff29ea8fa
commit d6c1643edf
2 changed files with 29 additions and 32 deletions
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1
converter/pc98_usb/config.h
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@ -123,6 +123,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); /* RX interrupt, RX: enable */ \
UCSR1B |= (0<<TXCIE1) | (1<<TXEN1); /* TX interrupt, TX: enable */ \
UCSR1C |= (1<<UPM11) | (1<<UPM10); /* parity: none(00), even(01), odd(11) */ \
DDRD &= ~(1<<2); PORTD |= (1<<2); /* Pull-up RXD pin */ \
sei(); \
} while(0)
#else

60
converter/pc98_usb/matrix.c
View file

@ -22,6 +22,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "print.h"
#include "util.h"
#include "matrix.h"
#include "led.h"
#include "debug.h"
#include "protocol/serial.h"
@ -47,38 +48,46 @@ static uint8_t matrix[MATRIX_ROWS];
#define COL(code) (code&0x07)
static void pc98_send(uint8_t data)
{
PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
_delay_ms(1);
serial_send(data);
_delay_ms(1);
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
}
static int16_t pc98_wait_response(void)
{
int16_t code = -1;
uint8_t timeout = 255;
while (timeout-- && (code = serial_recv2()) == -1) _delay_ms(1);
return code;
}
static void pc98_inhibit_repeat(void)
{
uint8_t code;
uint16_t code;
// clear recv buffer
while (serial_recv()) ;
RETRY:
PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
_delay_ms(500);
serial_send(0x9C);
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
_delay_ms(100);
while (!(code = serial_recv())) ;
print("PC98: send 9C: "); print_hex8(code); print("\n");
pc98_send(0x9C);
code = pc98_wait_response();
if (code != -1) xprintf("PC98: send 9C: %02X\n", code);
if (code != 0xFA) goto RETRY;
PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
_delay_ms(100);
serial_send(0x70);
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
_delay_ms(100);
//code = serial_recv();
while (!(code = serial_recv())) ;
print("PC98: send 70: "); print_hex8(code); print("\n");
pc98_send(0x70);
code = pc98_wait_response();
if (code != -1) xprintf("PC98: send 70: %02X\n", code);
if (code != 0xFA) goto RETRY;
}
void matrix_init(void)
{
debug_keyboard = true;
PC98_RST_DDR |= (1<<PC98_RST_BIT);
PC98_RDY_DDR |= (1<<PC98_RDY_BIT);
PC98_RTY_DDR |= (1<<PC98_RTY_BIT);
@ -116,24 +125,11 @@ uint8_t matrix_scan(void)
{
uint16_t code;
PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
_delay_us(30);
//_delay_us(30);
code = serial_recv2();
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
if (code == -1) return 0;
if (code == 0x60) {
pc98_inhibit_repeat();
/*
PC98_RDY_PORT |= (1<<PC98_RDY_BIT);
_delay_ms(100);
serial_send(0x96);
PC98_RDY_PORT &= ~(1<<PC98_RDY_BIT);
*/
return 0;
}
print_hex8(code); print(" ");
if (code&0x80) {