ELEC2645 (2018/19) / Mbed 2 deprecated fy14lkaa

Laila Al Badwawi 200906179 SpaceInvaders I declare this my own independent work and understand the university rules on plagiarism.

Dependencies:   mbed

Gamepad/Gamepad.h@150:bd02678bfdb1, 2019-05-09 (annotated)

Committer:
fy14lkaa
Date:
Thu May 09 14:23:44 2019 +0000
Revision:
150:bd02678bfdb1
Parent:
128:a3f581b8461c 
finished the games and the last formatting

Who changed what in which revision?

UserRevisionLine numberNew contents of line
fy14lkaa 0:e2af4c8e462e 1 #ifndef GAMEPAD_H
fy14lkaa 0:e2af4c8e462e 2 #define GAMEPAD_H
fy14lkaa 0:e2af4c8e462e 3
fy14lkaa 0:e2af4c8e462e 4 #include <bitset>
fy14lkaa 0:e2af4c8e462e 5
fy14lkaa 0:e2af4c8e462e 6 // Forward declaration of the classes that we use from the mbed library
fy14lkaa 0:e2af4c8e462e 7 // This avoids the need for us to include the huge mbed.h header inside our
fy14lkaa 0:e2af4c8e462e 8 // own library API
fy14lkaa 0:e2af4c8e462e 9 namespace mbed
fy14lkaa 0:e2af4c8e462e 10 {
fy14lkaa 0:e2af4c8e462e 11 class AnalogIn;
fy14lkaa 0:e2af4c8e462e 12 class InterruptIn;
fy14lkaa 0:e2af4c8e462e 13 class PwmOut;
fy14lkaa 0:e2af4c8e462e 14 class Timeout;
fy14lkaa 0:e2af4c8e462e 15 }
fy14lkaa 0:e2af4c8e462e 16
fy14lkaa 0:e2af4c8e462e 17 #define TOL 0.1f
fy14lkaa 0:e2af4c8e462e 18 #define RAD2DEG 57.2957795131f
fy14lkaa 0:e2af4c8e462e 19
fy14lkaa 0:e2af4c8e462e 20 /** Enum for direction */
fy14lkaa 0:e2af4c8e462e 21 enum Direction {
fy14lkaa 0:e2af4c8e462e 22 CENTRE, /**< joystick centred */
fy14lkaa 0:e2af4c8e462e 23 N, /**< pushed North (0)*/
fy14lkaa 0:e2af4c8e462e 24 NE, /**< pushed North-East (45) */
fy14lkaa 0:e2af4c8e462e 25 E, /**< pushed East (90) */
fy14lkaa 0:e2af4c8e462e 26 SE, /**< pushed South-East (135) */
fy14lkaa 0:e2af4c8e462e 27 S, /**< pushed South (180) */
fy14lkaa 0:e2af4c8e462e 28 SW, /**< pushed South-West (225) */
fy14lkaa 0:e2af4c8e462e 29 W, /**< pushed West (270) */
fy14lkaa 0:e2af4c8e462e 30 NW /**< pushed North-West (315) */
fy14lkaa 0:e2af4c8e462e 31 };
fy14lkaa 0:e2af4c8e462e 32
fy14lkaa 0:e2af4c8e462e 33 /** Vector 2D struct */
fy14lkaa 0:e2af4c8e462e 34 struct Vector2D {
fy14lkaa 0:e2af4c8e462e 35 float x; /**< float for x value */
fy14lkaa 0:e2af4c8e462e 36 float y; /**< float for y value */
fy14lkaa 0:e2af4c8e462e 37 };
fy14lkaa 0:e2af4c8e462e 38
fy14lkaa 0:e2af4c8e462e 39 /** Polar coordinate struct */
fy14lkaa 0:e2af4c8e462e 40 struct Polar {
fy14lkaa 0:e2af4c8e462e 41 float mag; /**< float for magnitude */
fy14lkaa 0:e2af4c8e462e 42 float angle; /**< float for angle (in degrees) */
fy14lkaa 0:e2af4c8e462e 43 };
fy14lkaa 0:e2af4c8e462e 44
fy14lkaa 0:e2af4c8e462e 45 /** Gamepad Class
fy14lkaa 128:a3f581b8461c 46 @brief Library for interfacing with ELEC2645 Gamepad PCB, University of Leeds
fy14lkaa 128:a3f581b8461c 47 @author Dr Craig A. Evans
fy14lkaa 128:a3f581b8461c 48 @author Dr Alex Valanvanis
fy14lkaa 128:a3f581b8461c 49 @date Febraury 2017
fy14lkaa 128:a3f581b8461c 50 */
fy14lkaa 0:e2af4c8e462e 51 class Gamepad
fy14lkaa 0:e2af4c8e462e 52 {
fy14lkaa 128:a3f581b8461c 53 public:
fy14lkaa 128:a3f581b8461c 54 /** Gamepad events
fy14lkaa 0:e2af4c8e462e 55 * @brief List of events that can be registered on the gamepad
fy14lkaa 0:e2af4c8e462e 56 */
fy14lkaa 0:e2af4c8e462e 57 enum GamepadEvent {
fy14lkaa 0:e2af4c8e462e 58 A_PRESSED, ///< Button A has been pressed
fy14lkaa 0:e2af4c8e462e 59 B_PRESSED, ///< Button B has been pressed
fy14lkaa 0:e2af4c8e462e 60 X_PRESSED, ///< Button X has been pressed
fy14lkaa 0:e2af4c8e462e 61 Y_PRESSED, ///< Button Y has been pressed
fy14lkaa 0:e2af4c8e462e 62 L_PRESSED, ///< Button L has been pressed
fy14lkaa 0:e2af4c8e462e 63 R_PRESSED, ///< Button R has been pressed
fy14lkaa 0:e2af4c8e462e 64 BACK_PRESSED, ///< Button "Back" has been pressed
fy14lkaa 0:e2af4c8e462e 65 START_PRESSED, ///< Button "Start" has been pressed
fy14lkaa 0:e2af4c8e462e 66 JOY_PRESSED, ///< Joystick button has been pressed
fy14lkaa 0:e2af4c8e462e 67 N_EVENTS ///< A dummy flag that marks the end of the list
fy14lkaa 0:e2af4c8e462e 68 };
fy14lkaa 0:e2af4c8e462e 69 private:
fy14lkaa 0:e2af4c8e462e 70 mbed::PwmOut *_led1;
fy14lkaa 0:e2af4c8e462e 71 mbed::PwmOut *_led2;
fy14lkaa 0:e2af4c8e462e 72 mbed::PwmOut *_led3;
fy14lkaa 0:e2af4c8e462e 73 mbed::PwmOut *_led4;
fy14lkaa 0:e2af4c8e462e 74 mbed::PwmOut *_led5;
fy14lkaa 0:e2af4c8e462e 75 mbed::PwmOut *_led6;
fy14lkaa 0:e2af4c8e462e 76
fy14lkaa 0:e2af4c8e462e 77 mbed::InterruptIn *_button_A;
fy14lkaa 0:e2af4c8e462e 78 mbed::InterruptIn *_button_B;
fy14lkaa 0:e2af4c8e462e 79 mbed::InterruptIn *_button_X;
fy14lkaa 0:e2af4c8e462e 80 mbed::InterruptIn *_button_Y;
fy14lkaa 0:e2af4c8e462e 81 mbed::InterruptIn *_button_L;
fy14lkaa 0:e2af4c8e462e 82 mbed::InterruptIn *_button_R;
fy14lkaa 0:e2af4c8e462e 83 mbed::InterruptIn *_button_back;
fy14lkaa 0:e2af4c8e462e 84 mbed::InterruptIn *_button_start;
fy14lkaa 0:e2af4c8e462e 85 mbed::InterruptIn *_button_joystick;
fy14lkaa 0:e2af4c8e462e 86
fy14lkaa 0:e2af4c8e462e 87 mbed::AnalogIn *_vert;
fy14lkaa 0:e2af4c8e462e 88 mbed::AnalogIn *_horiz;
fy14lkaa 0:e2af4c8e462e 89
fy14lkaa 0:e2af4c8e462e 90 mbed::PwmOut *_buzzer;
fy14lkaa 0:e2af4c8e462e 91 mbed::AnalogIn *_pot;
fy14lkaa 0:e2af4c8e462e 92
fy14lkaa 0:e2af4c8e462e 93 mbed::Timeout *_timeout;
fy14lkaa 0:e2af4c8e462e 94
fy14lkaa 0:e2af4c8e462e 95 std::bitset<N_EVENTS> _event_state; ///< A binary list of buttons that has been pressed
fy14lkaa 0:e2af4c8e462e 96
fy14lkaa 0:e2af4c8e462e 97 // centred x,y values
fy14lkaa 0:e2af4c8e462e 98 float _x0;
fy14lkaa 0:e2af4c8e462e 99 float _y0;
fy14lkaa 0:e2af4c8e462e 100
fy14lkaa 0:e2af4c8e462e 101 public:
fy14lkaa 128:a3f581b8461c 102
fy14lkaa 0:e2af4c8e462e 103 /** Constructor */
fy14lkaa 0:e2af4c8e462e 104 Gamepad();
fy14lkaa 0:e2af4c8e462e 105
fy14lkaa 0:e2af4c8e462e 106 /** Destructor */
fy14lkaa 0:e2af4c8e462e 107 ~Gamepad();
fy14lkaa 0:e2af4c8e462e 108
fy14lkaa 0:e2af4c8e462e 109 /** Initialise all peripherals and configure interrupts */
fy14lkaa 0:e2af4c8e462e 110 void init();
fy14lkaa 0:e2af4c8e462e 111
fy14lkaa 0:e2af4c8e462e 112 /** Turn all LEDs on */
fy14lkaa 0:e2af4c8e462e 113 void leds_on();
fy14lkaa 0:e2af4c8e462e 114
fy14lkaa 0:e2af4c8e462e 115 /** Turn all LEDs off */
fy14lkaa 0:e2af4c8e462e 116 void leds_off();
fy14lkaa 0:e2af4c8e462e 117
fy14lkaa 0:e2af4c8e462e 118 /** Set all LEDs to duty-cycle
fy14lkaa 0:e2af4c8e462e 119 *@param value in range 0.0 to 1.0
fy14lkaa 0:e2af4c8e462e 120 */
fy14lkaa 0:e2af4c8e462e 121 void leds(float val) const;
fy14lkaa 0:e2af4c8e462e 122
fy14lkaa 0:e2af4c8e462e 123 /** Set LED to duty-cycle
fy14lkaa 0:e2af4c8e462e 124 *@param led number (0 to 5)
fy14lkaa 0:e2af4c8e462e 125 *@param value in range 0.0 to 1.0
fy14lkaa 0:e2af4c8e462e 126 */
fy14lkaa 0:e2af4c8e462e 127 void led(int n,float val) const;
fy14lkaa 0:e2af4c8e462e 128
fy14lkaa 0:e2af4c8e462e 129 /** Read potentiometer
fy14lkaa 0:e2af4c8e462e 130 *@returns potentiometer value in range 0.0 to 1.0
fy14lkaa 0:e2af4c8e462e 131 */
fy14lkaa 0:e2af4c8e462e 132 float read_pot() const;
fy14lkaa 0:e2af4c8e462e 133
fy14lkaa 0:e2af4c8e462e 134 /** Play tone on piezo
fy14lkaa 0:e2af4c8e462e 135 * @param frequency in Hz
fy14lkaa 0:e2af4c8e462e 136 * @param duration of tone in seconds
fy14lkaa 0:e2af4c8e462e 137 */
fy14lkaa 0:e2af4c8e462e 138 void tone(float frequency, float duration);
fy14lkaa 0:e2af4c8e462e 139
fy14lkaa 0:e2af4c8e462e 140 /**
fy14lkaa 0:e2af4c8e462e 141 * @brief Check whether an event flag has been set and clear it
fy14lkaa 0:e2af4c8e462e 142 * @param id[in] The ID of the event to test
fy14lkaa 0:e2af4c8e462e 143 * @return true if the event occurred
fy14lkaa 0:e2af4c8e462e 144 */
fy14lkaa 0:e2af4c8e462e 145 bool check_event(GamepadEvent const id);
fy14lkaa 0:e2af4c8e462e 146
fy14lkaa 0:e2af4c8e462e 147 /** Get magnitude of joystick movement
fy14lkaa 0:e2af4c8e462e 148 * @returns value in range 0.0 to 1.0
fy14lkaa 0:e2af4c8e462e 149 */
fy14lkaa 128:a3f581b8461c 150
fy14lkaa 0:e2af4c8e462e 151 float get_mag();
fy14lkaa 0:e2af4c8e462e 152
fy14lkaa 0:e2af4c8e462e 153 /** Get angle of joystick movement
fy14lkaa 0:e2af4c8e462e 154 * @returns value in range 0.0 to 359.9. 0.0 corresponds to N, 180.0 to S. -1.0 is central
fy14lkaa 0:e2af4c8e462e 155 */
fy14lkaa 0:e2af4c8e462e 156 float get_angle();
fy14lkaa 0:e2af4c8e462e 157
fy14lkaa 0:e2af4c8e462e 158 /** Gets joystick direction
fy14lkaa 0:e2af4c8e462e 159 * @returns an enum: CENTRE, N, NE, E, SE, S, SW, W, NW,
fy14lkaa 0:e2af4c8e462e 160 */
fy14lkaa 0:e2af4c8e462e 161 Direction get_direction(); // N,NE,E,SE etc.
fy14lkaa 0:e2af4c8e462e 162
fy14lkaa 0:e2af4c8e462e 163 /** Gets raw cartesian co-ordinates of joystick
fy14lkaa 0:e2af4c8e462e 164 * @returns a struct with x,y members, each in the range 0.0 to 1.0
fy14lkaa 0:e2af4c8e462e 165 */
fy14lkaa 0:e2af4c8e462e 166 Vector2D get_coord(); // cartesian co-ordinates x,y
fy14lkaa 0:e2af4c8e462e 167
fy14lkaa 0:e2af4c8e462e 168 /** Gets cartesian coordinates mapped to circular grid
fy14lkaa 0:e2af4c8e462e 169 * @returns a struct with x,y members, each in the range 0.0 to 1.0
fy14lkaa 0:e2af4c8e462e 170 */
fy14lkaa 0:e2af4c8e462e 171 Vector2D get_mapped_coord(); // x,y mapped to circle
fy14lkaa 0:e2af4c8e462e 172
fy14lkaa 0:e2af4c8e462e 173 /** Gets polar coordinates of the joystick
fy14lkaa 0:e2af4c8e462e 174 * @returns a struct contains mag and angle
fy14lkaa 0:e2af4c8e462e 175 */
fy14lkaa 0:e2af4c8e462e 176 Polar get_polar(); // mag and angle in struct form
fy14lkaa 0:e2af4c8e462e 177
fy14lkaa 0:e2af4c8e462e 178 private:
fy14lkaa 0:e2af4c8e462e 179 void init_buttons();
fy14lkaa 0:e2af4c8e462e 180 void tone_off();
fy14lkaa 0:e2af4c8e462e 181
fy14lkaa 0:e2af4c8e462e 182 void a_isr();
fy14lkaa 0:e2af4c8e462e 183 void b_isr();
fy14lkaa 0:e2af4c8e462e 184 void x_isr();
fy14lkaa 0:e2af4c8e462e 185 void y_isr();
fy14lkaa 0:e2af4c8e462e 186 void l_isr();
fy14lkaa 0:e2af4c8e462e 187 void r_isr();
fy14lkaa 0:e2af4c8e462e 188 void back_isr();
fy14lkaa 0:e2af4c8e462e 189 void start_isr();
fy14lkaa 0:e2af4c8e462e 190 void joy_isr();
fy14lkaa 0:e2af4c8e462e 191 };
fy14lkaa 0:e2af4c8e462e 192
fy14lkaa 0:e2af4c8e462e 193 #endif