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Fix key stack and PS/2 Overrun

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This commit is contained in:
tmk 2013-11-28 15:50:17 +09:00
parent 8b4fa599cf
commit 10b2b1ae43
2 changed files with 73 additions and 46 deletions
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33
converter/ps2_usb/matrix.c
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@ -29,6 +29,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
static void matrix_make(uint8_t code);
static void matrix_break(uint8_t code);
static void matrix_clear(void);
#ifdef MATRIX_HAS_GHOST
static bool matrix_has_ghost_in_row(uint8_t row);
#endif
@ -84,6 +85,7 @@ uint8_t matrix_cols(void)
void matrix_init(void)
{
debug_enable = true;
ps2_host_init();
// initialize matrix state: all keys off
@ -209,16 +211,18 @@ uint8_t matrix_scan(void)
state = INIT;
break;
case 0x00: // Overrun [3]p.25
print("Overrun\n");
matrix_clear();
clear_keyboard();
print("Overrun\n");
state = INIT;
break;
default: // normal key make
if (code < 0x80) {
matrix_make(code);
} else {
xprintf("unexpected scan code at INIT: %02X\n", code);
matrix_clear();
clear_keyboard();
xprintf("unexpected scan code at INIT: %02X\n", code);
}
state = INIT;
}
@ -239,8 +243,9 @@ uint8_t matrix_scan(void)
if (code < 0x80) {
matrix_make(code|0x80);
} else {
xprintf("unexpected scan code at E0: %02X\n", code);
matrix_clear();
clear_keyboard();
xprintf("unexpected scan code at E0: %02X\n", code);
}
state = INIT;
}
@ -255,12 +260,18 @@ uint8_t matrix_scan(void)
matrix_break(PRINT_SCREEN);
state = INIT;
break;
case 0xF0:
matrix_clear();
clear_keyboard();
xprintf("unexpected scan code at F0: F0(clear and cont.)\n");
break;
default:
if (code < 0x80) {
matrix_break(code);
} else {
xprintf("unexpected scan code at F0: %02X\n", code);
matrix_clear();
clear_keyboard();
xprintf("unexpected scan code at F0: %02X\n", code);
}
state = INIT;
}
@ -275,8 +286,9 @@ uint8_t matrix_scan(void)
if (code < 0x80) {
matrix_break(code|0x80);
} else {
xprintf("unexpected scan code at E0_F0: %02X\n", code);
matrix_clear();
clear_keyboard();
xprintf("unexpected scan code at E0_F0: %02X\n", code);
}
state = INIT;
}
@ -369,10 +381,13 @@ uint8_t matrix_scan(void)
}
}
if (ps2_error > PS2_ERR_STARTBIT3) {
// TODO: request RESEND when error occurs?
/*
if (PS2_IS_FAILED(ps2_error)) {
uint8_t ret = ps2_host_send(PS2_RESEND);
xprintf("Resend: %02X\n", ret);
}
*/
return 1;
}
@ -464,3 +479,9 @@ static void matrix_break(uint8_t code)
is_modified = true;
}
}
inline
static void matrix_clear(void)
{
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
}