root / lab4 / mouse.h @ 130
History | View | Annotate | Download (3.51 KB)
| 1 |
#ifndef MOUSE_H_INCLUDED
|
|---|---|
| 2 |
#define MOUSE_H_INCLUDED
|
| 3 |
|
| 4 |
#include <stdint.h> |
| 5 |
|
| 6 |
/**
|
| 7 |
* @brief Subscribes Mouse Interrupts and disables Minix Default IH
|
| 8 |
* @param interrupt_bit Bit of Interrupt Vector that will be set when Mouse Interrupt is pending
|
| 9 |
* @param interrupt_id Mouse Interrupt ID to specify the Mouse Interrupt in other calls
|
| 10 |
* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
|
| 11 |
* @see {_ERRORS_H_::errors}
|
| 12 |
*/
|
| 13 |
int (subscribe_mouse_interrupt)(uint8_t interrupt_bit, int *interrupt_id); |
| 14 |
|
| 15 |
//These have to do with mouse_ih
|
| 16 |
int got_error_mouse_ih;
|
| 17 |
uint8_t packet_mouse_ih[3];
|
| 18 |
int counter_mouse_ih;
|
| 19 |
|
| 20 |
/**
|
| 21 |
* @brief Parse 3 bytes and returns it as a parsed, struct packet.
|
| 22 |
* @param packet_bytes array of bytes to parse
|
| 23 |
* @return parsed struct packet
|
| 24 |
*/
|
| 25 |
struct packet (mouse_parse_packet)(const uint8_t *packet_bytes); |
| 26 |
|
| 27 |
/**
|
| 28 |
* @brief Polls mouse for data. Blocks execution until a valid mouse packet is obtained.
|
| 29 |
* @param pp pointer to packet struct in which the result will be stored
|
| 30 |
* @param period time (in milliseconds) the poller should wait between pollings of bytes
|
| 31 |
* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
|
| 32 |
*/
|
| 33 |
int mouse_poll(struct packet *pp, uint16_t period); |
| 34 |
|
| 35 |
/**
|
| 36 |
* @brief Sets data report mode for mouse
|
| 37 |
* @param on zero to disable data report, any other value to enable data report
|
| 38 |
* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
|
| 39 |
*/
|
| 40 |
int (mouse_set_data_report)(int on); |
| 41 |
|
| 42 |
/**
|
| 43 |
* @brief Reads data byte from mouse
|
| 44 |
* <summary>
|
| 45 |
* Polls the mouse till data is available for reading
|
| 46 |
* </summary>
|
| 47 |
* @param data Pointer to variable where byte read from mouse will be stored
|
| 48 |
* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
|
| 49 |
* @see {_ERRORS_H_::errors}
|
| 50 |
*/
|
| 51 |
int (mouse_read_data)(uint8_t *data, uint16_t period);
|
| 52 |
|
| 53 |
/**
|
| 54 |
* @brief Issues command to mouse
|
| 55 |
* <summary>
|
| 56 |
* Issues command to mouse, returns error after two consecutive errors reported by the acknowledgment byte
|
| 57 |
* </summary>
|
| 58 |
* @param cmd Command to be issued
|
| 59 |
* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
|
| 60 |
* @see {_ERRORS_H_::errors}
|
| 61 |
*/
|
| 62 |
int (mouse_issue_cmd)(uint32_t cmd);
|
| 63 |
|
| 64 |
/**
|
| 65 |
* @brief Reads byte from mouse
|
| 66 |
* <summary>
|
| 67 |
* Reads byte from mouse, giving error if exceeds number of tries to read
|
| 68 |
* </summary>
|
| 69 |
* @param byte Pointer to variable where byte read from mouse will be stored
|
| 70 |
* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
|
| 71 |
* @see {_ERRORS_H_::errors}
|
| 72 |
*/
|
| 73 |
int (mouse_read_byte)(uint8_t *byte);
|
| 74 |
|
| 75 |
/**
|
| 76 |
* @brief Polls OUT_BUF for byte coming from mouse.
|
| 77 |
* @param byte pointer to byte read from OUT_BUF
|
| 78 |
* @param period time (in milliseconds) the poller should wait between pollings of bytes
|
| 79 |
* @return ERROR_CODE code representing the result of the operation, SUCCESS code is returned if everything is OK
|
| 80 |
*/
|
| 81 |
int (mouse_poll_byte)(uint8_t *byte, uint16_t period);
|
| 82 |
|
| 83 |
/**
|
| 84 |
* @brief Converts 9-bit number to 16-bit with sign extension
|
| 85 |
* @param sign_bit Sign bit identifiying the signal of the number
|
| 86 |
* @param byte Least significant byte that will be extended
|
| 87 |
* @return Extended 9-bit number
|
| 88 |
*/
|
| 89 |
int16_t (sign_extend_byte)(uint8_t sign_bit, uint8_t byte); |
| 90 |
|
| 91 |
#endif //MOUSE_H_INCLUDED |