| 36,7 → 36,9 |
|---|
| * It takes care of low-level keyboard functions. |
| */ |
| |
| #include <genarch/i8042/i8042.h> |
| #include <genarch/kbd/i8042.h> |
| #include <genarch/kbd/scanc.h> |
| #include <genarch/kbd/scanc_pc.h> |
| #include <arch/drivers/i8042.h> |
| #include <arch/interrupt.h> |
| #include <cpu.h> |
| 78,11 → 80,6 |
|---|
| |
| #define KEY_RELEASE 0x80 |
| |
| /** |
| * These codes read from i8042 data register are silently ignored. |
| */ |
| #define IGNORE_CODE 0x7f |
| |
| static void key_released(uint8_t sc); |
| static void key_pressed(uint8_t sc); |
| static char key_read(chardev_t *d); |
| 390,12 → 387,10 |
|---|
| while (!(i8042_status_read() & i8042_BUFFER_FULL_MASK)) |
| ; |
| x = i8042_data_read(); |
| if (x != IGNORE_CODE) { |
| if (x & KEY_RELEASE) |
| key_released(x ^ KEY_RELEASE); |
| else |
| active_read_key_pressed(x); |
| } |
| if (x & KEY_RELEASE) |
| key_released(x ^ KEY_RELEASE); |
| else |
| active_read_key_pressed(x); |
| } |
| return ch; |
| } |
| 410,15 → 405,12 |
|---|
| |
| while (((x = i8042_status_read() & i8042_BUFFER_FULL_MASK))) { |
| x = i8042_data_read(); |
| if (x != IGNORE_CODE) { |
| if (x & KEY_RELEASE) |
| key_released(x ^ KEY_RELEASE); |
| else |
| key_pressed(x); |
| } |
| if (x & KEY_RELEASE) |
| key_released(x ^ KEY_RELEASE); |
| else |
| key_pressed(x); |
| } |
| } |
| |
| /** @} |
| */ |
| |