gamepad library
Fork of Gamepad by
Gamepad.h
- Committer:
- eencae
- Date:
- 2017-02-07
- Revision:
- 8:7eaf26f4b5f2
- Parent:
- 6:b1c3dfe67f7d
- Child:
- 9:893189072e89
File content as of revision 8:7eaf26f4b5f2:
/** @file Gamepad.h @brief Library for interfacing with ELEC2645 Gamepad PCB @brief University of Leeds @author Dr Craig A. Evans @date Febraury 2017 */ #ifndef GAMEPAD_H #define GAMEPAD_H #include "mbed.h" #define TOL 0.1f #define RAD2DEG 57.2957795131f enum Direction { CENTRE, // 0 N, // 1 NE, // 2 E, // 3 SE, // 4 S, // 5 SW, // 6 W, // 7 NW // 8 }; struct Vector2D { float x; float y; }; struct Polar { float mag; float angle; }; class Gamepad { public: /** Constructor */ Gamepad(); /** Destructor */ ~Gamepad(); /** Initialise all peripherals and configure interrupts */ void init(); /** Turn all LEDs on */ void leds_on(); /** Turn all LEDs off */ void leds_off(); /** Fade all to set duty-cycle @param value in range 0.0 to 1.0 */ void fade_leds(float val); /** Read potentiometer @returns potentiometer value in range 0.0 to 1.0 */ float read_pot(); /** Play tone on piezo @param frequency in Hz @param duration of tone in seconds */ 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(); /** Get magnitude of joystick movement @returns value in range 0.0 to 1.0 */ float get_mag(); /** Get angle of joystick movement @returns value in range 0.0 to 359.9. 0.0 corresponds to N, 180.0 to S. -1.0 is central */ float get_angle(); /** Gets joystick direction @returns an enum: CENTRE, N, NE, E, SE, S, SW, W, NW, */ Direction get_direction(); // N,NE,E,SE etc. /** Gets raw cartesian co-ordinates of joystick @returns a struct with x,y members, each in the range 0.0 to 1.0 */ Vector2D get_coord(); // cartesian co-ordinates x,y /** Gets cartesian coordinates mapped to circular grid @returns a struct with x,y members, each in the range 0.0 to 1.0 */ Vector2D get_mapped_coord(); // x,y mapped to circle /** Gets polar coordinates of the joystick @returns a struct contains mag and angle */ Polar get_polar(); // mag and angle in struct form private: PwmOut *led_1; PwmOut *led_2; PwmOut *led_3; PwmOut *led_4; PwmOut *led_5; PwmOut *led_6; InterruptIn *button_A; InterruptIn *button_B; InterruptIn *button_X; InterruptIn *button_Y; InterruptIn *button_back; InterruptIn *button_start; InterruptIn *button_L; InterruptIn *button_R; InterruptIn *button_joystick; AnalogIn *vert; AnalogIn *horiz; PwmOut *buzzer; AnalogIn *pot; Timeout *timeout; void init_buttons(); void tone_off(); void a_isr(); void b_isr(); void x_isr(); void y_isr(); void l_isr(); void r_isr(); void back_isr(); void start_isr(); void joy_isr(); bool a_flag,b_flag,x_flag,y_flag,l_flag,r_flag,back_flag,start_flag,joy_flag; // centred x,y values float _x0; float _y0; }; #endif