#include <stdbool.h>
#include <avr/io.h>
#include <util/delay.h>
+#include "action.h"
#include "print.h"
#include "util.h"
#include "debug.h"
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
void matrix_init(void)
{
+ debug_enable = true;
ps2_host_init();
// initialize matrix state: all keys off
matrix_break(PAUSE);
}
- uint8_t code;
- while ((code = ps2_host_recv())) {
+ uint8_t code = ps2_host_recv();
+ if (!ps2_error) {
switch (state) {
case INIT:
switch (code) {
matrix_make(PRINT_SCREEN);
state = INIT;
break;
+ case 0x00: // Overrun [3]p.25
+ matrix_clear();
+ clear_keyboard();
+ print("Overrun\n");
+ state = INIT;
+ break;
default: // normal key make
if (code < 0x80) {
matrix_make(code);
} else {
- debug("unexpected scan code at INIT: "); debug_hex(code); debug("\n");
+ matrix_clear();
+ clear_keyboard();
+ xprintf("unexpected scan code at INIT: %02X\n", code);
}
state = INIT;
}
if (code < 0x80) {
matrix_make(code|0x80);
} else {
- debug("unexpected scan code at E0: "); debug_hex(code); debug("\n");
+ matrix_clear();
+ clear_keyboard();
+ xprintf("unexpected scan code at E0: %02X\n", code);
}
state = INIT;
}
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 {
- debug("unexpected scan code at F0: "); debug_hex(code); debug("\n");
+ matrix_clear();
+ clear_keyboard();
+ xprintf("unexpected scan code at F0: %02X\n", code);
}
state = INIT;
}
if (code < 0x80) {
matrix_break(code|0x80);
} else {
- debug("unexpected scan code at E0_F0: "); debug_hex(code); debug("\n");
+ matrix_clear();
+ clear_keyboard();
+ xprintf("unexpected scan code at E0_F0: %02X\n", code);
}
state = INIT;
}
default:
state = INIT;
}
- phex(code);
}
+
+ // 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;
}
is_modified = true;
}
}
+
+inline
+static void matrix_clear(void)
+{
+ for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
+}