root / lab4 / mouse.h @ 71
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| 1 | 68 | up20180642 | #ifndef MOUSE_H_INCLUDED
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| 2 | #define MOUSE_H_INCLUDED
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| 3 | 53 | up20180655 | |
| 4 | 58 | up20180642 | #include <stdint.h> |
| 5 | 53 | up20180655 | |
| 6 | 58 | up20180642 | /**
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| 7 | * @brief Subscribes Mouse Interrupts and disables Minix Default IH
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| 8 | * @param interrupt_bit Bit of Interrupt Vector that will be set when Mouse Interrupt is pending
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| 9 | * @param interrupt_id Mouse Interrupt ID to specify the Mouse Interrupt in other calls
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| 10 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 11 | * @see {_ERRORS_H_::errors}
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| 12 | */
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| 13 | int (subscribe_mouse_interrupt)(uint8_t interrupt_bit, int *interrupt_id); |
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| 14 | 53 | up20180655 | |
| 15 | 58 | up20180642 | struct packet (mouse_parse_packet)(const uint8_t *packet_bytes); |
| 16 | 53 | up20180655 | |
| 17 | 58 | up20180642 | int (mouse_set_data_report)(int on); |
| 18 | |||
| 19 | 70 | up20180655 | /**
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| 20 | * @brief Reads data byte from mouse
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| 21 | * <summary>
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| 22 | * Polls the mouse till data is available for reading
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| 23 | * </summary>
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| 24 | * @param data Pointer to variable where byte read from mouse will be stored
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| 25 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 26 | * @see {_ERRORS_H_::errors}
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| 27 | */
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| 28 | int (mouse_read_data)(uint8_t *data);
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| 29 | |||
| 30 | /**
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| 31 | * @brief Issues command to mouse
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| 32 | * <summary>
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| 33 | * Issues command to mouse, returns error after two consecutive errors reported by the acknowledgment byte
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| 34 | * </summary>
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| 35 | * @param cmd Command to be issued
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| 36 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 37 | * @see {_ERRORS_H_::errors}
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| 38 | */
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| 39 | int (mouse_issue_cmd)(uint32_t cmd);
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| 40 | |||
| 41 | /**
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| 42 | * @brief Reads byte from mouse
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| 43 | * <summary>
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| 44 | * Reads byte from mouse, giving error if exceeds number of tries to read
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| 45 | 71 | up20180655 | * </summary>
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| 46 | 70 | up20180655 | * @param byte Pointer to variable where byte read from mouse will be stored
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| 47 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 48 | * @see {_ERRORS_H_::errors}
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| 49 | */
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| 50 | int (mouse_read_byte)(uint8_t *byte);
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| 51 | |||
| 52 | 71 | up20180655 | /**
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| 53 | * @brief Converts 9-bit number to 16-bit with sign extension
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| 54 | * @param sign_bit Sign bit identifiying the signal of the number
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| 55 | * @param byte Least significant byte that will be extended
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| 56 | * @return Extended 9-bit number
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| 57 | */
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| 58 | int16_t (sign_extend_byte)(uint8_t sign_bit, uint8_t byte); |
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| 59 | |||
| 60 | 68 | up20180642 | #endif //MOUSE_H_INCLUDED |