Dominic Platt / Mbed 2 deprecated Space_Evader

Code for the space evader game.

Dependencies:   N5110 PowerControl mbed

joystick.h@0:dd6685f1343e, 2015-05-10 (annotated)

Committer:
domplatypus
Date:
Sun May 10 16:48:46 2015 +0000
Revision:
0:dd6685f1343e
Child:
1:225522d0dd77
version 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
domplatypus 0:dd6685f1343e 1 /**
domplatypus 0:dd6685f1343e 2 @file joystick.h
domplatypus 0:dd6685f1343e 3 @brief Header file containing functions prototypes, defines and global variables.
domplatypus 0:dd6685f1343e 4 @brief Joystick header file, with modification from original file
domplatypus 0:dd6685f1343e 5 @brief CHANGEME_H_ and endif added to prevent header file error https://developer.mbed.org/cookbook/Compiler-Error-256
domplatypus 0:dd6685f1343e 6 @author Craig A. Evans (Original author)
domplatypus 0:dd6685f1343e 7 @author Dominic J. Platt (Modifications labelled)
domplatypus 0:dd6685f1343e 8 @date April 2015
domplatypus 0:dd6685f1343e 9 */
domplatypus 0:dd6685f1343e 10 #ifndef CHANGEME_H_
domplatypus 0:dd6685f1343e 11 #define CHANGEME_H_
domplatypus 0:dd6685f1343e 12 #include "mbed.h"
domplatypus 0:dd6685f1343e 13
domplatypus 0:dd6685f1343e 14 #define DIRECTION_TOLERANCE 0.05
domplatypus 0:dd6685f1343e 15
domplatypus 0:dd6685f1343e 16 /**
domplatypus 0:dd6685f1343e 17 @namespace joystickButton
domplatypus 0:dd6685f1343e 18 @brief joystick button output when user presses joystick
domplatypus 0:dd6685f1343e 19 */
domplatypus 0:dd6685f1343e 20 extern InterruptIn joystickButton;
domplatypus 0:dd6685f1343e 21
domplatypus 0:dd6685f1343e 22 /**
domplatypus 0:dd6685f1343e 23 @namespace serial
domplatypus 0:dd6685f1343e 24 @brief serial used for code debug checking with coolterm software
domplatypus 0:dd6685f1343e 25 */
domplatypus 0:dd6685f1343e 26 extern Serial serial;
domplatypus 0:dd6685f1343e 27
domplatypus 0:dd6685f1343e 28 /**
domplatypus 0:dd6685f1343e 29 @namespace pollJoystick
domplatypus 0:dd6685f1343e 30 @brief Ticker type variable to set how often the joystick is read
domplatypus 0:dd6685f1343e 31 */
domplatypus 0:dd6685f1343e 32 extern Ticker pollJoystick;
domplatypus 0:dd6685f1343e 33
domplatypus 0:dd6685f1343e 34 typedef struct JoyStick Joystick;
domplatypus 0:dd6685f1343e 35
domplatypus 0:dd6685f1343e 36 /**
domplatypus 0:dd6685f1343e 37 Used to define to hold the properties of our joystick
domplatypus 0:dd6685f1343e 38 */
domplatypus 0:dd6685f1343e 39 struct JoyStick {
domplatypus 0:dd6685f1343e 40 /**
domplatypus 0:dd6685f1343e 41 * the x coordinate */
domplatypus 0:dd6685f1343e 42 float x;
domplatypus 0:dd6685f1343e 43 //! 'centred' x value
domplatypus 0:dd6685f1343e 44 float x0;
domplatypus 0:dd6685f1343e 45 //! current y value
domplatypus 0:dd6685f1343e 46 /*!
domplatypus 0:dd6685f1343e 47 read from y direction potentiometer
domplatypus 0:dd6685f1343e 48 */
domplatypus 0:dd6685f1343e 49 float y;
domplatypus 0:dd6685f1343e 50 //! 'centred' y value
domplatypus 0:dd6685f1343e 51 float y0;
domplatypus 0:dd6685f1343e 52 //! button state
domplatypus 0:dd6685f1343e 53 /*!
domplatypus 0:dd6685f1343e 54 (assume pull-down used, so 1 = pressed, 0 = unpressed)
domplatypus 0:dd6685f1343e 55 */
domplatypus 0:dd6685f1343e 56 int button; // button state
domplatypus 0:dd6685f1343e 57 //! direction in two dimensions
domplatypus 0:dd6685f1343e 58 /*!
domplatypus 0:dd6685f1343e 59 values of 1,0,-1 for each element
domplatypus 0:dd6685f1343e 60 e.g. the matrix of {-1,0} will mean direction is -1 in x directions and 0 in the y direction
domplatypus 0:dd6685f1343e 61 */
domplatypus 0:dd6685f1343e 62 int direction[2]; // current direction x,y used
domplatypus 0:dd6685f1343e 63 /*@}*/
domplatypus 0:dd6685f1343e 64 };
domplatypus 0:dd6685f1343e 65 /**
domplatypus 0:dd6685f1343e 66 @brief create joystick instance
domplatypus 0:dd6685f1343e 67 */
domplatypus 0:dd6685f1343e 68 extern Joystick joystick;
domplatypus 0:dd6685f1343e 69
domplatypus 0:dd6685f1343e 70 /**
domplatypus 0:dd6685f1343e 71 @brief calibrating joystick, joystick must not move during this
domplatypus 0:dd6685f1343e 72 */
domplatypus 0:dd6685f1343e 73 void calibrateJoystick();
domplatypus 0:dd6685f1343e 74 /**
domplatypus 0:dd6685f1343e 75 @brief read current joystick values relative to calibrated values
domplatypus 0:dd6685f1343e 76 */
domplatypus 0:dd6685f1343e 77 void updateJoystick();
domplatypus 0:dd6685f1343e 78 //! printFlag used to print the joystick directions for bebugging
domplatypus 0:dd6685f1343e 79 extern int printFlag;
domplatypus 0:dd6685f1343e 80
domplatypus 0:dd6685f1343e 81 #endif