gamepad library
Fork of Gamepad by
Diff: Gamepad.h
- Revision:
- 12:1b0b6355da4f
- Parent:
- 11:ff86b2ffce01
- Child:
- 13:ef5fc9f58805
diff -r ff86b2ffce01 -r 1b0b6355da4f Gamepad.h --- a/Gamepad.h Thu Mar 02 18:34:42 2017 +0000 +++ b/Gamepad.h Fri Mar 03 12:35:43 2017 +0000 @@ -1,6 +1,8 @@ #ifndef GAMEPAD_H #define GAMEPAD_H +#include <bitset> + #include "mbed.h" #define TOL 0.1f @@ -31,6 +33,23 @@ float angle; /**< float for angle (in degrees) */ }; + +/** + * List of events that can be registered on the gamepad + */ +enum GamepadEvent { + EVENT_A_PRESSED, ///< Button A has been pressed + EVENT_B_PRESSED, ///< Button B has been pressed + EVENT_X_PRESSED, ///< Button X has been pressed + EVENT_Y_PRESSED, ///< Button Y has been pressed + EVENT_L_PRESSED, ///< Button L has been pressed + EVENT_R_PRESSED, ///< Button R has been pressed + EVENT_BACK_PRESSED, ///< Button "Back" has been pressed + EVENT_START_PRESSED, ///< Button "Start" has been pressed + EVENT_JOY_PRESSED, ///< Joystick button has been pressed + N_EVENTS ///< A dummy flag that marks the end of the list +}; + /** Gamepad Class @brief Library for interfacing with ELEC2645 Gamepad PCB, University of Leeds @author Dr Craig A. Evans @@ -64,15 +83,7 @@ Timeout *_timeout; - bool _a_flag; - bool _b_flag; - bool _x_flag; - bool _y_flag; - bool _l_flag; - bool _r_flag; - bool _back_flag; - bool _start_flag; - bool _joy_flag; + std::bitset<N_EVENTS> _event_state; ///< A binary list of buttons that has been pressed // centred x,y values float _x0; @@ -141,51 +152,13 @@ */ void tone(float frequency, float duration); - /** Check if A button pressed - * @returns true if yes, false if no - */ - bool a_pressed(); - - /** Check if B button pressed - * @returns true if yes, false if no - */ - bool b_pressed(); - - /** Check if X button pressed - * @returns true if yes, false if no - */ - bool x_pressed(); - - /** Check if Y button pressed - * @returns true if yes, false if no - */ - bool y_pressed(); - - /** Check if L button pressed - * @returns true if yes, false if no - */ - bool l_pressed(); - - /** Check if R button pressed - * @returns true if yes, false if no - */ - bool r_pressed(); - - /** Check if Back button pressed - * @returns true if yes, false if no - */ - bool back_pressed(); - - /** Check if Start button pressed - * @returns true if yes, false if no - */ - bool start_pressed(); - - /** Check if Joystick button pressed - * @returns true if yes, false if no - */ - bool joystick_pressed(); - + /** + * @brief Check whether an event flag has been set and clear it + * @param id[in] The ID of the event to test + * @return true if the event occurred + */ + bool check_event(GamepadEvent const id); + /** Get magnitude of joystick movement * @returns value in range 0.0 to 1.0 */