root / lab3 / keyboard.h @ 321
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| 1 | 60 | up20180642 | /**
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| 2 | * This file concerns everything related to the keyboard
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| 3 | */
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| 4 | |||
| 5 | #ifndef KEYBOARD_H_INCLUDED
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| 6 | #define KEYBOARD_H_INCLUDED
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| 7 | |||
| 8 | /**
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| 9 | * @brief Subscribes KBC Interrupts and disables Minix Default Keyboard IH
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| 10 | * @param interrupt_bit Bit of Interrupt Vector that will be set when KBC Interrupt is pending
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| 11 | * @param interrupt_id KBC Interrupt ID to specify the KBC Interrupt in other calls
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| 12 | * @return Whether operation was sucessful or not
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| 13 | */
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| 14 | int (subscribe_keyboard_interrupt)(uint8_t interrupt_bit, int *interrupt_id); |
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| 15 | |||
| 16 | uint8_t scancode[2];
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| 17 | 67 | up20180642 | int keyboard_done;
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| 18 | int scancode_sz;
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| 19 | 60 | up20180642 | int got_error_keyboard;
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| 21 | /**
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| 22 | * @brief KBC Interrupt Handler
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| 23 | */
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| 24 | void (kbc_ih)(void); |
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| 25 | |||
| 26 | /**
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| 27 | * @brief High-level function that polls keyboard for scancode
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| 28 | * High-level function that polls keyboard for scancode of up to 2 bytes. If
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| 29 | * scancode has only 1 byte, the second byte is set to 0x00.
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| 30 | * @param bytes Array of at least 2 bytes to store scancode
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| 31 | * @param size Size of scancode in bytes
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| 32 | * @return 0 if operation was successful, 1 otherwise
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| 33 | */
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| 34 | int (keyboard_poll)(uint8_t bytes[], uint8_t *size);
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| 35 | |||
| 36 | #endif //KEYBOARD_H_INCLUDED |