Ahmed Adamjee / Mbed 2 deprecated SnakeVSBlock

Snake vs Block Game to be run upon K64F.

Dependencies:   mbed

K64F_PAD_LCDConfiguration/Gamepad/Gamepad.h@104:17040265b7b4, 2019-05-09 (annotated)

Committer:
AhmedPlaymaker
Date:
Thu May 09 14:52:19 2019 +0000
Revision:
104:17040265b7b4
Parent:
95:b068b0735f45 
Final Submission. I have read and agreed with Statement of Academic Integrity.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AhmedPlaymaker 0:4b15c2d4aa58 1 #ifndef GAMEPAD_H
AhmedPlaymaker 0:4b15c2d4aa58 2 #define GAMEPAD_H
AhmedPlaymaker 0:4b15c2d4aa58 3
AhmedPlaymaker 0:4b15c2d4aa58 4 #include <bitset>
AhmedPlaymaker 0:4b15c2d4aa58 5
AhmedPlaymaker 0:4b15c2d4aa58 6 // Forward declaration of the classes that we use from the mbed library
AhmedPlaymaker 0:4b15c2d4aa58 7 // This avoids the need for us to include the huge mbed.h header inside our
AhmedPlaymaker 0:4b15c2d4aa58 8 // own library API
AhmedPlaymaker 0:4b15c2d4aa58 9 namespace mbed
AhmedPlaymaker 0:4b15c2d4aa58 10 {
AhmedPlaymaker 0:4b15c2d4aa58 11 class AnalogIn;
AhmedPlaymaker 0:4b15c2d4aa58 12 class InterruptIn;
AhmedPlaymaker 0:4b15c2d4aa58 13 class PwmOut;
AhmedPlaymaker 0:4b15c2d4aa58 14 class Timeout;
AhmedPlaymaker 0:4b15c2d4aa58 15 }
AhmedPlaymaker 0:4b15c2d4aa58 16
AhmedPlaymaker 0:4b15c2d4aa58 17 #define TOL 0.1f
AhmedPlaymaker 0:4b15c2d4aa58 18 #define RAD2DEG 57.2957795131f
AhmedPlaymaker 0:4b15c2d4aa58 19
AhmedPlaymaker 0:4b15c2d4aa58 20 /** Enum for direction */
AhmedPlaymaker 0:4b15c2d4aa58 21 enum Direction {
AhmedPlaymaker 0:4b15c2d4aa58 22 CENTRE, /**< joystick centred */
AhmedPlaymaker 0:4b15c2d4aa58 23 N, /**< pushed North (0)*/
AhmedPlaymaker 0:4b15c2d4aa58 24 NE, /**< pushed North-East (45) */
AhmedPlaymaker 0:4b15c2d4aa58 25 E, /**< pushed East (90) */
AhmedPlaymaker 0:4b15c2d4aa58 26 SE, /**< pushed South-East (135) */
AhmedPlaymaker 0:4b15c2d4aa58 27 S, /**< pushed South (180) */
AhmedPlaymaker 0:4b15c2d4aa58 28 SW, /**< pushed South-West (225) */
AhmedPlaymaker 0:4b15c2d4aa58 29 W, /**< pushed West (270) */
AhmedPlaymaker 0:4b15c2d4aa58 30 NW /**< pushed North-West (315) */
AhmedPlaymaker 0:4b15c2d4aa58 31 };
AhmedPlaymaker 0:4b15c2d4aa58 32
AhmedPlaymaker 0:4b15c2d4aa58 33 /** Vector 2D struct */
AhmedPlaymaker 0:4b15c2d4aa58 34 struct Vector2D {
AhmedPlaymaker 0:4b15c2d4aa58 35 float x; /**< float for x value */
AhmedPlaymaker 0:4b15c2d4aa58 36 float y; /**< float for y value */
AhmedPlaymaker 0:4b15c2d4aa58 37 };
AhmedPlaymaker 0:4b15c2d4aa58 38
AhmedPlaymaker 0:4b15c2d4aa58 39 /** Polar coordinate struct */
AhmedPlaymaker 0:4b15c2d4aa58 40 struct Polar {
AhmedPlaymaker 0:4b15c2d4aa58 41 float mag; /**< float for magnitude */
AhmedPlaymaker 0:4b15c2d4aa58 42 float angle; /**< float for angle (in degrees) */
AhmedPlaymaker 0:4b15c2d4aa58 43 };
AhmedPlaymaker 0:4b15c2d4aa58 44
AhmedPlaymaker 0:4b15c2d4aa58 45 /** Gamepad Class
AhmedPlaymaker 0:4b15c2d4aa58 46 * @brief Library for interfacing with ELEC2645 Gamepad PCB, University of Leeds
AhmedPlaymaker 0:4b15c2d4aa58 47 * @author Dr Craig A. Evans
AhmedPlaymaker 0:4b15c2d4aa58 48 * @author Dr Alex Valavanis
AhmedPlaymaker 0:4b15c2d4aa58 49 */
AhmedPlaymaker 0:4b15c2d4aa58 50 class Gamepad
AhmedPlaymaker 0:4b15c2d4aa58 51 {
AhmedPlaymaker 0:4b15c2d4aa58 52 public:
AhmedPlaymaker 0:4b15c2d4aa58 53 /** Gamepad events
AhmedPlaymaker 0:4b15c2d4aa58 54 * @brief List of events that can be registered on the gamepad
AhmedPlaymaker 0:4b15c2d4aa58 55 */
AhmedPlaymaker 0:4b15c2d4aa58 56 enum GamepadEvent {
AhmedPlaymaker 0:4b15c2d4aa58 57 A_PRESSED, ///< Button A has been pressed
AhmedPlaymaker 0:4b15c2d4aa58 58 B_PRESSED, ///< Button B has been pressed
AhmedPlaymaker 0:4b15c2d4aa58 59 X_PRESSED, ///< Button X has been pressed
AhmedPlaymaker 0:4b15c2d4aa58 60 Y_PRESSED, ///< Button Y has been pressed
AhmedPlaymaker 0:4b15c2d4aa58 61 L_PRESSED, ///< Button L has been pressed
AhmedPlaymaker 0:4b15c2d4aa58 62 R_PRESSED, ///< Button R has been pressed
AhmedPlaymaker 0:4b15c2d4aa58 63 BACK_PRESSED, ///< Button "Back" has been pressed
AhmedPlaymaker 0:4b15c2d4aa58 64 START_PRESSED, ///< Button "Start" has been pressed
AhmedPlaymaker 0:4b15c2d4aa58 65 JOY_PRESSED, ///< Joystick button has been pressed
AhmedPlaymaker 0:4b15c2d4aa58 66 N_EVENTS ///< A dummy flag that marks the end of the list
AhmedPlaymaker 0:4b15c2d4aa58 67 };
AhmedPlaymaker 0:4b15c2d4aa58 68
AhmedPlaymaker 0:4b15c2d4aa58 69 private:
AhmedPlaymaker 0:4b15c2d4aa58 70 mbed::PwmOut *_led1;
AhmedPlaymaker 0:4b15c2d4aa58 71 mbed::PwmOut *_led2;
AhmedPlaymaker 0:4b15c2d4aa58 72 mbed::PwmOut *_led3;
AhmedPlaymaker 0:4b15c2d4aa58 73 mbed::PwmOut *_led4;
AhmedPlaymaker 0:4b15c2d4aa58 74 mbed::PwmOut *_led5;
AhmedPlaymaker 0:4b15c2d4aa58 75 mbed::PwmOut *_led6;
AhmedPlaymaker 0:4b15c2d4aa58 76
AhmedPlaymaker 0:4b15c2d4aa58 77 mbed::InterruptIn *_button_A;
AhmedPlaymaker 0:4b15c2d4aa58 78 mbed::InterruptIn *_button_B;
AhmedPlaymaker 0:4b15c2d4aa58 79 mbed::InterruptIn *_button_X;
AhmedPlaymaker 0:4b15c2d4aa58 80 mbed::InterruptIn *_button_Y;
AhmedPlaymaker 0:4b15c2d4aa58 81 mbed::InterruptIn *_button_L;
AhmedPlaymaker 0:4b15c2d4aa58 82 mbed::InterruptIn *_button_R;
AhmedPlaymaker 0:4b15c2d4aa58 83 mbed::InterruptIn *_button_back;
AhmedPlaymaker 0:4b15c2d4aa58 84 mbed::InterruptIn *_button_start;
AhmedPlaymaker 0:4b15c2d4aa58 85 mbed::InterruptIn *_button_joystick;
AhmedPlaymaker 0:4b15c2d4aa58 86
AhmedPlaymaker 0:4b15c2d4aa58 87 mbed::AnalogIn *_vert;
AhmedPlaymaker 0:4b15c2d4aa58 88 mbed::AnalogIn *_horiz;
AhmedPlaymaker 0:4b15c2d4aa58 89
AhmedPlaymaker 0:4b15c2d4aa58 90 mbed::PwmOut *_buzzer;
AhmedPlaymaker 0:4b15c2d4aa58 91 mbed::AnalogIn *_pot;
AhmedPlaymaker 0:4b15c2d4aa58 92
AhmedPlaymaker 0:4b15c2d4aa58 93 mbed::Timeout *_timeout;
AhmedPlaymaker 0:4b15c2d4aa58 94
AhmedPlaymaker 0:4b15c2d4aa58 95 std::bitset<N_EVENTS> _event_state; ///< A binary list of buttons that has been pressed
AhmedPlaymaker 0:4b15c2d4aa58 96
AhmedPlaymaker 0:4b15c2d4aa58 97 // centred x,y values
AhmedPlaymaker 0:4b15c2d4aa58 98 float _x0;
AhmedPlaymaker 0:4b15c2d4aa58 99 float _y0;
AhmedPlaymaker 0:4b15c2d4aa58 100
AhmedPlaymaker 0:4b15c2d4aa58 101 public:
AhmedPlaymaker 0:4b15c2d4aa58 102 /** Constructor */
AhmedPlaymaker 0:4b15c2d4aa58 103 Gamepad();
AhmedPlaymaker 0:4b15c2d4aa58 104
AhmedPlaymaker 0:4b15c2d4aa58 105 /** Destructor */
AhmedPlaymaker 0:4b15c2d4aa58 106 ~Gamepad();
AhmedPlaymaker 0:4b15c2d4aa58 107
AhmedPlaymaker 0:4b15c2d4aa58 108 /** Initialise all peripherals and configure interrupts */
AhmedPlaymaker 0:4b15c2d4aa58 109 void init();
AhmedPlaymaker 0:4b15c2d4aa58 110
AhmedPlaymaker 0:4b15c2d4aa58 111 /** Turn all LEDs on */
AhmedPlaymaker 0:4b15c2d4aa58 112 void leds_on();
AhmedPlaymaker 0:4b15c2d4aa58 113
AhmedPlaymaker 0:4b15c2d4aa58 114 /** Turn all LEDs off */
AhmedPlaymaker 0:4b15c2d4aa58 115 void leds_off();
AhmedPlaymaker 0:4b15c2d4aa58 116
AhmedPlaymaker 0:4b15c2d4aa58 117 /** Set all LEDs to duty-cycle
AhmedPlaymaker 0:4b15c2d4aa58 118 *@param value in range 0.0 to 1.0
AhmedPlaymaker 0:4b15c2d4aa58 119 */
AhmedPlaymaker 0:4b15c2d4aa58 120 void leds(float val) const;
AhmedPlaymaker 0:4b15c2d4aa58 121
AhmedPlaymaker 0:4b15c2d4aa58 122 /** Set LED to duty-cycle
AhmedPlaymaker 0:4b15c2d4aa58 123 *@param led number (0 to 5)
AhmedPlaymaker 0:4b15c2d4aa58 124 *@param value in range 0.0 to 1.0
AhmedPlaymaker 0:4b15c2d4aa58 125 */
AhmedPlaymaker 0:4b15c2d4aa58 126 void led(int n,float val) const;
AhmedPlaymaker 0:4b15c2d4aa58 127
AhmedPlaymaker 0:4b15c2d4aa58 128 /** Read potentiometer
AhmedPlaymaker 0:4b15c2d4aa58 129 *@returns potentiometer value in range 0.0 to 1.0
AhmedPlaymaker 0:4b15c2d4aa58 130 */
AhmedPlaymaker 0:4b15c2d4aa58 131 float read_pot() const;
AhmedPlaymaker 0:4b15c2d4aa58 132
AhmedPlaymaker 0:4b15c2d4aa58 133 /** Play tone on piezo
AhmedPlaymaker 0:4b15c2d4aa58 134 * @param frequency in Hz
AhmedPlaymaker 0:4b15c2d4aa58 135 * @param duration of tone in seconds
AhmedPlaymaker 0:4b15c2d4aa58 136 */
AhmedPlaymaker 0:4b15c2d4aa58 137 void tone(float frequency, float duration);
AhmedPlaymaker 0:4b15c2d4aa58 138
AhmedPlaymaker 0:4b15c2d4aa58 139 /**
AhmedPlaymaker 95:b068b0735f45 140 * @brief Check whether an event flag has been set and delete it!
AhmedPlaymaker 0:4b15c2d4aa58 141 * @param id[in] The ID of the event to test
AhmedPlaymaker 0:4b15c2d4aa58 142 * @return true if the event occurred
AhmedPlaymaker 0:4b15c2d4aa58 143 */
AhmedPlaymaker 0:4b15c2d4aa58 144 bool check_event(GamepadEvent const id);
AhmedPlaymaker 0:4b15c2d4aa58 145
AhmedPlaymaker 0:4b15c2d4aa58 146 /**
AhmedPlaymaker 0:4b15c2d4aa58 147 * @brief Get the raw binary event state
AhmedPlaymaker 0:4b15c2d4aa58 148 * @return The event state as a binary code
AhmedPlaymaker 0:4b15c2d4aa58 149 * @details The check_event() function is likely to be more useful than
AhmedPlaymaker 0:4b15c2d4aa58 150 * this, for testing whether a given event has occurred. It can be
AhmedPlaymaker 0:4b15c2d4aa58 151 * useful for debugging via the terminal, however, for example:
AhmedPlaymaker 0:4b15c2d4aa58 152 * @code
AhmedPlaymaker 0:4b15c2d4aa58 153 * std::cout << gamepad.get_raw_event_state() << std::endl;
AhmedPlaymaker 0:4b15c2d4aa58 154 * @endcode
AhmedPlaymaker 0:4b15c2d4aa58 155 */
AhmedPlaymaker 0:4b15c2d4aa58 156 inline std::bitset<N_EVENTS> get_raw_event_state() const {
AhmedPlaymaker 0:4b15c2d4aa58 157 return _event_state;
AhmedPlaymaker 0:4b15c2d4aa58 158 }
AhmedPlaymaker 0:4b15c2d4aa58 159
AhmedPlaymaker 0:4b15c2d4aa58 160 /** Get magnitude of joystick movement
AhmedPlaymaker 0:4b15c2d4aa58 161 * @returns value in range 0.0 to 1.0
AhmedPlaymaker 0:4b15c2d4aa58 162 */
AhmedPlaymaker 0:4b15c2d4aa58 163 float get_mag();
AhmedPlaymaker 0:4b15c2d4aa58 164
AhmedPlaymaker 0:4b15c2d4aa58 165 /** Get angle of joystick movement
AhmedPlaymaker 0:4b15c2d4aa58 166 * @returns value in range 0.0 to 359.9. 0.0 corresponds to N, 180.0 to S. -1.0 is central
AhmedPlaymaker 0:4b15c2d4aa58 167 */
AhmedPlaymaker 0:4b15c2d4aa58 168 float get_angle();
AhmedPlaymaker 0:4b15c2d4aa58 169
AhmedPlaymaker 0:4b15c2d4aa58 170 /** Gets joystick direction
AhmedPlaymaker 0:4b15c2d4aa58 171 * @returns an enum: CENTRE, N, NE, E, SE, S, SW, W, NW,
AhmedPlaymaker 0:4b15c2d4aa58 172 */
AhmedPlaymaker 0:4b15c2d4aa58 173 Direction get_direction(); // N,NE,E,SE etc.
AhmedPlaymaker 0:4b15c2d4aa58 174
AhmedPlaymaker 0:4b15c2d4aa58 175 /** Gets raw cartesian co-ordinates of joystick
AhmedPlaymaker 0:4b15c2d4aa58 176 * @returns a struct with x,y members, each in the range 0.0 to 1.0
AhmedPlaymaker 0:4b15c2d4aa58 177 */
AhmedPlaymaker 0:4b15c2d4aa58 178 Vector2D get_coord(); // cartesian co-ordinates x,y
AhmedPlaymaker 0:4b15c2d4aa58 179
AhmedPlaymaker 0:4b15c2d4aa58 180 /** Gets cartesian coordinates mapped to circular grid
AhmedPlaymaker 0:4b15c2d4aa58 181 * @returns a struct with x,y members, each in the range 0.0 to 1.0
AhmedPlaymaker 0:4b15c2d4aa58 182 */
AhmedPlaymaker 0:4b15c2d4aa58 183 Vector2D get_mapped_coord(); // x,y mapped to circle
AhmedPlaymaker 0:4b15c2d4aa58 184
AhmedPlaymaker 0:4b15c2d4aa58 185 /** Gets polar coordinates of the joystick
AhmedPlaymaker 0:4b15c2d4aa58 186 * @returns a struct contains mag and angle
AhmedPlaymaker 0:4b15c2d4aa58 187 */
AhmedPlaymaker 0:4b15c2d4aa58 188 Polar get_polar(); // mag and angle in struct form
AhmedPlaymaker 0:4b15c2d4aa58 189
AhmedPlaymaker 0:4b15c2d4aa58 190 private:
AhmedPlaymaker 0:4b15c2d4aa58 191 void init_buttons();
AhmedPlaymaker 0:4b15c2d4aa58 192 void tone_off();
AhmedPlaymaker 0:4b15c2d4aa58 193
AhmedPlaymaker 0:4b15c2d4aa58 194 void a_isr();
AhmedPlaymaker 0:4b15c2d4aa58 195 void b_isr();
AhmedPlaymaker 0:4b15c2d4aa58 196 void x_isr();
AhmedPlaymaker 0:4b15c2d4aa58 197 void y_isr();
AhmedPlaymaker 0:4b15c2d4aa58 198 void l_isr();
AhmedPlaymaker 0:4b15c2d4aa58 199 void r_isr();
AhmedPlaymaker 0:4b15c2d4aa58 200 void back_isr();
AhmedPlaymaker 0:4b15c2d4aa58 201 void start_isr();
AhmedPlaymaker 0:4b15c2d4aa58 202 void joy_isr();
AhmedPlaymaker 0:4b15c2d4aa58 203 };
AhmedPlaymaker 0:4b15c2d4aa58 204
AhmedPlaymaker 0:4b15c2d4aa58 205 #endif