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Leonmmcoset
2026-04-11 12:48:51 +08:00
parent d459b7a39a
commit ef331b4a6b
6 changed files with 138 additions and 6 deletions
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53
clks/kernel/keyboard.c Normal file
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#include <clks/keyboard.h>
#include <clks/log.h>
#include <clks/tty.h>
#include <clks/types.h>
#define CLKS_SC_ALT 0x38U
#define CLKS_SC_F1 0x3BU
#define CLKS_SC_F2 0x3CU
#define CLKS_SC_F3 0x3DU
#define CLKS_SC_F4 0x3EU
static clks_bool clks_kbd_alt_down = CLKS_FALSE;
static u64 clks_kbd_hotkey_switches = 0ULL;
void clks_keyboard_init(void) {
clks_kbd_alt_down = CLKS_FALSE;
clks_kbd_hotkey_switches = 0ULL;
clks_log(CLKS_LOG_INFO, "KBD", "ALT+F1..F4 TTY HOTKEY ONLINE");
}
void clks_keyboard_handle_scancode(u8 scancode) {
clks_bool released = ((scancode & 0x80U) != 0U) ? CLKS_TRUE : CLKS_FALSE;
u8 code = (u8)(scancode & 0x7FU);
if (code == CLKS_SC_ALT) {
clks_kbd_alt_down = (released == CLKS_FALSE) ? CLKS_TRUE : CLKS_FALSE;
return;
}
if (released == CLKS_TRUE || clks_kbd_alt_down == CLKS_FALSE) {
return;
}
if (code >= CLKS_SC_F1 && code <= CLKS_SC_F4) {
u32 target = (u32)(code - CLKS_SC_F1);
u32 before = clks_tty_active();
u32 after;
clks_tty_switch(target);
after = clks_tty_active();
if (after != before) {
clks_kbd_hotkey_switches++;
clks_log(CLKS_LOG_INFO, "TTY", "HOTKEY SWITCH");
clks_log_hex(CLKS_LOG_INFO, "TTY", "ACTIVE", (u64)after);
clks_log_hex(CLKS_LOG_INFO, "TTY", "HOTKEY_SWITCHES", clks_kbd_hotkey_switches);
}
}
}
u64 clks_keyboard_hotkey_switch_count(void) {
return clks_kbd_hotkey_switches;
}