Dominic Platt / Mbed 2 deprecated Space_Evader

Code for the space evader game.

Dependencies:   N5110 PowerControl mbed

joystick.h@1:225522d0dd77, 2015-05-11 (annotated)

Committer:
domplatypus
Date:
Mon May 11 11:44:51 2015 +0000
Revision:
1:225522d0dd77
Parent:
0:dd6685f1343e 
Version 1.0

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 1:225522d0dd77 6 @brief Original code https://developer.mbed.org/users/eencae/code/Joystick/
domplatypus 0:dd6685f1343e 7 @author Craig A. Evans (Original author)
domplatypus 0:dd6685f1343e 8 @author Dominic J. Platt (Modifications labelled)
domplatypus 0:dd6685f1343e 9 @date April 2015
domplatypus 0:dd6685f1343e 10 */
domplatypus 0:dd6685f1343e 11 #ifndef CHANGEME_H_
domplatypus 0:dd6685f1343e 12 #define CHANGEME_H_
domplatypus 0:dd6685f1343e 13 #include "mbed.h"
domplatypus 0:dd6685f1343e 14
domplatypus 0:dd6685f1343e 15 #define DIRECTION_TOLERANCE 0.05
domplatypus 0:dd6685f1343e 16
domplatypus 0:dd6685f1343e 17 /**
domplatypus 0:dd6685f1343e 18 @namespace joystickButton
domplatypus 0:dd6685f1343e 19 @brief joystick button output when user presses joystick
domplatypus 0:dd6685f1343e 20 */
domplatypus 0:dd6685f1343e 21 extern InterruptIn joystickButton;
domplatypus 0:dd6685f1343e 22
domplatypus 0:dd6685f1343e 23 /**
domplatypus 0:dd6685f1343e 24 @namespace serial
domplatypus 0:dd6685f1343e 25 @brief serial used for code debug checking with coolterm software
domplatypus 0:dd6685f1343e 26 */
domplatypus 0:dd6685f1343e 27 extern Serial serial;
domplatypus 0:dd6685f1343e 28
domplatypus 0:dd6685f1343e 29 /**
domplatypus 0:dd6685f1343e 30 @namespace pollJoystick
domplatypus 0:dd6685f1343e 31 @brief Ticker type variable to set how often the joystick is read
domplatypus 0:dd6685f1343e 32 */
domplatypus 0:dd6685f1343e 33 extern Ticker pollJoystick;
domplatypus 0:dd6685f1343e 34
domplatypus 0:dd6685f1343e 35 typedef struct JoyStick Joystick;
domplatypus 0:dd6685f1343e 36
domplatypus 0:dd6685f1343e 37 /**
domplatypus 0:dd6685f1343e 38 Used to define to hold the properties of our joystick
domplatypus 0:dd6685f1343e 39 */
domplatypus 0:dd6685f1343e 40 struct JoyStick {
domplatypus 0:dd6685f1343e 41 /**
domplatypus 0:dd6685f1343e 42 * the x coordinate */
domplatypus 0:dd6685f1343e 43 float x;
domplatypus 0:dd6685f1343e 44 //! 'centred' x value
domplatypus 0:dd6685f1343e 45 float x0;
domplatypus 0:dd6685f1343e 46 //! current y value
domplatypus 0:dd6685f1343e 47 /*!
domplatypus 0:dd6685f1343e 48 read from y direction potentiometer
domplatypus 0:dd6685f1343e 49 */
domplatypus 0:dd6685f1343e 50 float y;
domplatypus 0:dd6685f1343e 51 //! 'centred' y value
domplatypus 0:dd6685f1343e 52 float y0;
domplatypus 0:dd6685f1343e 53 //! button state
domplatypus 0:dd6685f1343e 54 /*!
domplatypus 0:dd6685f1343e 55 (assume pull-down used, so 1 = pressed, 0 = unpressed)
domplatypus 0:dd6685f1343e 56 */
domplatypus 0:dd6685f1343e 57 int button; // button state
domplatypus 0:dd6685f1343e 58 //! direction in two dimensions
domplatypus 0:dd6685f1343e 59 /*!
domplatypus 0:dd6685f1343e 60 values of 1,0,-1 for each element
domplatypus 0:dd6685f1343e 61 e.g. the matrix of {-1,0} will mean direction is -1 in x directions and 0 in the y direction
domplatypus 1:225522d0dd77 62 property added by Dominic Platt
domplatypus 0:dd6685f1343e 63 */
domplatypus 0:dd6685f1343e 64 int direction[2]; // current direction x,y used
domplatypus 0:dd6685f1343e 65 /*@}*/
domplatypus 0:dd6685f1343e 66 };
domplatypus 0:dd6685f1343e 67 /**
domplatypus 0:dd6685f1343e 68 @brief create joystick instance
domplatypus 0:dd6685f1343e 69 */
domplatypus 0:dd6685f1343e 70 extern Joystick joystick;
domplatypus 0:dd6685f1343e 71
domplatypus 0:dd6685f1343e 72 /**
domplatypus 0:dd6685f1343e 73 @brief calibrating joystick, joystick must not move during this
domplatypus 0:dd6685f1343e 74 */
domplatypus 0:dd6685f1343e 75 void calibrateJoystick();
domplatypus 0:dd6685f1343e 76 /**
domplatypus 0:dd6685f1343e 77 @brief read current joystick values relative to calibrated values
domplatypus 0:dd6685f1343e 78 */
domplatypus 0:dd6685f1343e 79 void updateJoystick();
domplatypus 0:dd6685f1343e 80 //! printFlag used to print the joystick directions for bebugging
domplatypus 0:dd6685f1343e 81 extern int printFlag;
domplatypus 0:dd6685f1343e 82
domplatypus 0:dd6685f1343e 83 #endif