root / lab4 / mouse.h @ 148
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#ifndef MOUSE_H_INCLUDED
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#define MOUSE_H_INCLUDED
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#include <stdint.h> |
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/**
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* @brief Subscribes Mouse Interrupts and disables Minix Default IH
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* @param interrupt_bit Bit of Interrupt Vector that will be set when Mouse Interrupt is pending
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* @param interrupt_id Mouse Interrupt ID to specify the Mouse Interrupt in other calls
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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* @see {_ERRORS_H_::errors}
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*/
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int (subscribe_mouse_interrupt)(uint8_t interrupt_bit, int *interrupt_id); |
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//These have to do with mouse_ih
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int got_error_mouse_ih;
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uint8_t packet_mouse_ih[3];
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int counter_mouse_ih;
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/**
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* @brief Parse 3 bytes and returns it as a parsed, struct packet.
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* @param packet_bytes array of bytes to parse
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* @return parsed struct packet
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*/
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struct packet (mouse_parse_packet)(const uint8_t *packet_bytes); |
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/**
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* @brief Polls mouse for data. Blocks execution until a valid mouse packet is obtained.
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* @param pp pointer to packet struct in which the result will be stored
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* @param period time (in milliseconds) the poller should wait between pollings of bytes
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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*/
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int mouse_poll(struct packet *pp, uint16_t period); |
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/**
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* @brief Sets data report mode for mouse
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* @param on zero to disable data report, any other value to enable data report
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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*/
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int (mouse_set_data_report)(int on); |
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/**
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* @brief Reads data byte from mouse
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* <summary>
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* Polls the mouse till data is available for reading
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* </summary>
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* @param data Pointer to variable where byte read from mouse will be stored
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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* @see {_ERRORS_H_::errors}
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*/
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int (mouse_read_data)(uint8_t *data, uint16_t period);
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/**
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* @brief Issues command to mouse
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* <summary>
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* Issues command to mouse, returns error after two consecutive errors reported by the acknowledgment byte
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* </summary>
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* @param cmd Command to be issued
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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* @see {_ERRORS_H_::errors}
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*/
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int (mouse_issue_cmd)(uint32_t cmd);
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/**
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* @brief Reads byte from mouse
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* <summary>
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* Reads byte from mouse, giving error if exceeds number of tries to read
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* </summary>
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* @param byte Pointer to variable where byte read from mouse will be stored
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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* @see {_ERRORS_H_::errors}
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*/
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int (mouse_read_byte)(uint8_t *byte);
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/**
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* @brief Polls OUT_BUF for byte coming from mouse.
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* @param byte pointer to byte read from OUT_BUF
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* @param period time (in milliseconds) the poller should wait between pollings of bytes
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* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
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*/
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int (mouse_poll_byte)(uint8_t *byte, uint16_t period);
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/**
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* @brief Converts 9-bit number to 16-bit with sign extension
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* @param sign_bit Sign bit identifiying the signal of the number
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* @param byte Least significant byte that will be extended
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* @return Extended 9-bit number
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*/
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int16_t (sign_extend_byte)(uint8_t sign_bit, uint8_t byte); |
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#endif //MOUSE_H_INCLUDED |