root / proj / libs / kbc / include / mouse.h @ 342
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| 1 | 150 | up20180655 | #ifndef MOUSE_H_INCLUDED
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| 2 | #define MOUSE_H_INCLUDED
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| 3 | |||
| 4 | /**
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| 5 | 334 | up20180642 | * @defgroup mouse mouse
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| 6 | * @ingroup kbc
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| 7 | * @brief Mouse module.
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| 8 | *
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| 9 | * @{
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| 10 | */
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| 11 | |||
| 12 | /**
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| 13 | 150 | up20180655 | * @brief Subscribes Mouse Interrupts and disables Minix Default IH
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| 14 | * @param interrupt_bit Bit of Interrupt Vector that will be set when Mouse Interrupt is pending
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| 15 | * @param interrupt_id Mouse Interrupt ID to specify the Mouse Interrupt in other calls
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| 16 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 17 | * @see {_ERRORS_H_::errors}
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| 18 | */
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| 19 | int (subscribe_mouse_interrupt)(uint8_t interrupt_bit, int *interrupt_id); |
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| 20 | |||
| 21 | //These have to do with mouse_ih
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| 22 | 339 | up20180642 | /**
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| 23 | * @brief Get previous mouse interrupt handler call exit code.
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| 24 | * @return Exit code of previous mouse IH call
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| 25 | */
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| 26 | 322 | up20180642 | int (mouse_get_got_error_mouse_ih)(void); |
| 27 | 339 | up20180642 | /**
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| 28 | * @brief Get mouse packet.
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| 29 | * @return Pointer to mouse packet
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| 30 | */
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| 31 | 322 | up20180642 | const uint8_t* (mouse_get_packet_mouse_ih)(void); |
| 32 | 339 | up20180642 | /**
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| 33 | * @brief Number of mouse bytes received (0 to 3).
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| 34 | * @return Number of bytes
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| 35 | */
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| 36 | 322 | up20180642 | int (mouse_get_counter_mouse_ih)(void); |
| 37 | 339 | up20180642 | /**
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| 38 | * @brief Set number of received mouse bytes.
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| 39 | *
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| 40 | * Usually this function is used to reset counter_mouse_ih.
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| 41 | * @param n New value of the counter
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| 42 | */
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| 43 | 323 | up20180642 | void (mouse_set_counter_mouse_ih)(int n); |
| 44 | 322 | up20180642 | |
| 45 | 150 | up20180655 | /**
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| 46 | * @brief Parse 3 bytes and returns it as a parsed, struct packet.
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| 47 | * @param packet_bytes array of bytes to parse
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| 48 | 250 | up20180655 | * @param pp Pointer to packet to store the information.
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| 49 | 150 | up20180655 | */
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| 50 | 250 | up20180655 | void (mouse_parse_packet)(const uint8_t *packet_bytes, struct packet *pp); |
| 51 | 150 | up20180655 | |
| 52 | /**
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| 53 | * @brief Polls mouse for data. Blocks execution until a valid mouse packet is obtained.
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| 54 | * @param pp pointer to packet struct in which the result will be stored
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| 55 | * @param period time (in milliseconds) the poller should wait between pollings of bytes
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| 56 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 57 | */
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| 58 | int mouse_poll(struct packet *pp, uint16_t period); |
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| 59 | |||
| 60 | /**
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| 61 | * @brief Sets data report mode for mouse
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| 62 | * @param on zero to disable data report, any other value to enable data report
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| 63 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 64 | */
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| 65 | int (mouse_set_data_report)(int on); |
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| 66 | |||
| 67 | /**
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| 68 | * @brief Reads data byte from mouse
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| 69 | * <summary>
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| 70 | * Polls the mouse till data is available for reading
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| 71 | * </summary>
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| 72 | * @param data Pointer to variable where byte read from mouse will be stored
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| 73 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 74 | * @see {_ERRORS_H_::errors}
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| 75 | */
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| 76 | int (mouse_read_data)(uint8_t *data, uint16_t period);
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| 77 | |||
| 78 | /**
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| 79 | * @brief Issues command to mouse
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| 80 | * <summary>
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| 81 | * Issues command to mouse, returns error after two consecutive errors reported by the acknowledgment byte
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| 82 | * </summary>
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| 83 | * @param cmd Command to be issued
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| 84 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 85 | * @see {_ERRORS_H_::errors}
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| 86 | */
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| 87 | 323 | up20180642 | int (mouse_issue_cmd)(uint8_t cmd);
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| 88 | 150 | up20180655 | |
| 89 | /**
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| 90 | * @brief Reads byte from mouse
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| 91 | * <summary>
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| 92 | * Reads byte from mouse, giving error if exceeds number of tries to read
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| 93 | * </summary>
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| 94 | * @param byte Pointer to variable where byte read from mouse will be stored
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| 95 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 96 | * @see {_ERRORS_H_::errors}
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| 97 | */
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| 98 | int (mouse_read_byte)(uint8_t *byte);
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| 99 | |||
| 100 | /**
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| 101 | * @brief Polls OUT_BUF for byte coming from mouse.
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| 102 | * @param byte pointer to byte read from OUT_BUF
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| 103 | * @param period time (in milliseconds) the poller should wait between pollings of bytes
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| 104 | * @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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| 105 | */
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| 106 | int (mouse_poll_byte)(uint8_t *byte, uint16_t period);
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| 107 | |||
| 108 | /**
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| 109 | * @brief Converts 9-bit number to 16-bit with sign extension
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| 110 | * @param sign_bit Sign bit identifiying the signal of the number
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| 111 | * @param byte Least significant byte that will be extended
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| 112 | * @return Extended 9-bit number
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| 113 | */
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| 114 | int16_t (sign_extend_byte)(uint8_t sign_bit, uint8_t byte); |
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| 115 | |||
| 116 | 334 | up20180642 | /**
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| 117 | * @}
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| 118 | */
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| 119 | |||
| 120 | 150 | up20180655 | #endif //MOUSE_H_INCLUDED |