Revision 68
working decently
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#ifndef _KBC_FUNC_H_ |
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#define _KBC_FUNC_H_ |
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#include <stdint.h> |
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#define GET 0 /* @brief Argument to get counter without incrementing */ |
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#define INCREMENT 1 /* @brief Argument for incrementing counter */ |
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/** |
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* @brief Subscribes KBC Interrupts and disables Minix Default Keyboard IH |
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* @param interrupt_bit Bit of Interrupt Vector that will be set when KBC Interrupt is pending |
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* @param interrupt_id KBC Interrupt ID to specify the KBC Interrupt in other calls |
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* @return Whether operation was sucessful or not |
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* This file concerns everything related to the KBC (KeyBoard Controller, which |
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* actually also manages the mouse) |
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*/ |
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int (subscribe_kbc_interrupt)(uint8_t interrupt_bit, int *interrupt_id); |
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#ifndef KBC_H_INCLUDED |
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#define KBC_H_INCLUDED |
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/** |
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* @brief Unsubcribes Interrupts |
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* @param interrupt_id Interrupt ID, value via arguments on subscription of the interrupt_id |
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int (unsubscribe_interrupt)(int *interrupt_id); |
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/** |
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* @brief KBC Interrupt Handler |
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*/ |
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void (kbc_ih)(void); |
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/** |
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* @brief High-level function that polls keyboard for scancode |
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* High-level function that polls keyboard for scancode of up to 2 bytes. If |
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* scancode has only 1 byte, the second byte is set to 0x00. |
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* @param bytes Array of at least 2 bytes to store scancode |
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* @param size Size of scancode in bytes |
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* @return 0 if operation was successful, 1 otherwise |
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*/ |
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int (kbd_poll)(uint8_t bytes[], uint8_t *size); |
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/** |
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* @brief High-level function that reads the command byte of the KBC |
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* @param cmd Pointer to variable where command byte read from KBC will be stored |
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* @return 0 if operation was successful, 1 otherwise |
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* chance that the keyboard and keyboard interrupts remain disabled. |
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* @return 1 if operation was successful, 1 otherwise |
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*/ |
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int (kbc_restore_kbd)();
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int (kbc_restore_keyboard)();
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/** |
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* @brief Low-level function to issue a command to keyboard |
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int (kbc_issue_cmd)(uint8_t cmd); |
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/** |
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* @brief Low-level function to issue an argument of a command |
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* @param cmd argument to be issued |
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* @return 0 if operation was successful, 1 otherwise |
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*/ |
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int (kbc_issue_arg)(uint8_t arg); |
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/** |
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* @brief Low-level function for reading byte from keyboard |
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* Low-level function for reading byte from keyboard. Waits until output buffer |
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* is full |
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*/ |
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int (kbc_read_byte)(uint8_t *byte); |
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#endif |
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#endif //KBC_H_INCLUDED |
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