main.cpp

00001 /* ELEC2645 Gamepad Test
00002  * 2nd Generation
00003  * January 2020
00004  * Dr Craig A. Evans & Joshua Davy
00005  */
00006 
00007 
00008 
00009 // Includes
00010 #include "mbed.h"
00011 #include "Gamepad.h"
00012 #include "N5110.h"
00013 
00014 
00015 // objects
00016 Gamepad pad;
00017 N5110 lcd;
00018 
00019 void check_buttons();
00020 
00021 int main()
00022 {
00023     lcd.init();
00024     lcd.setContrast(0.5);
00025     pad.init();
00026 
00027     lcd.backLightOn();
00028     lcd.printString("Hello Gamepad!",0,0);
00029     lcd.refresh();
00030     pad.tone(1000.0,2.0);
00031     wait_ms(2000);
00032     
00033     lcd.clear();
00034     lcd.printString("Turn Pot 1",0,0);
00035     lcd.printString("  to set",0,1);
00036     lcd.printString(" contrast",0,2);
00037     lcd.refresh();
00038     
00039     // turn pot 1 during this 5 second period to tweak contrast
00040     for (int i = 0; i < 500; i++) {
00041         lcd.setContrast( pad.read_pot1());
00042         wait_ms(10);
00043     }
00044 
00045     lcd.clear();
00046     lcd.printString("LED test",0,0);
00047     lcd.refresh();
00048     
00049     // flash LEDs
00050     for (int i = 0; i < 20; i++) {
00051         pad.leds_on();
00052         wait_ms(200);
00053         pad.leds_off();
00054         wait_ms(200);
00055     }
00056 
00057     // PWM brightness (0 to 100%)
00058     for (float x = 0.0f; x <= 1.0f ; x+=0.1f) {
00059         pad.leds(x);
00060         wait_ms(500);
00061     }
00062 
00063     pad.leds_off();
00064 
00065     for (int n = 1; n <= 6; n++) {
00066         pad.led(n,1.0);  // led, full-brightness
00067         wait_ms(1000);
00068     }
00069 
00070     while(1) {
00071         pad.leds_off();
00072         lcd.clear();
00073         lcd.setContrast( pad.read_pot1());
00074         printf("%f , %f\n",pad.read_pot1(),pad.read_pot2());
00075         check_buttons();
00076         Vector2D coord = pad.get_mapped_coord();
00077         float x = coord.x;
00078         float y = coord.y;
00079 
00080         lcd.drawCircle(WIDTH/2+int(20*x),HEIGHT/2-int(20*y),3,FILL_BLACK);
00081         lcd.drawCircle(WIDTH/2,HEIGHT/2,20,FILL_TRANSPARENT);  // x,y,radius,transparent with outline
00082 
00083         lcd.refresh();
00084         wait_ms(100);
00085     }
00086 }
00087 
00088 void check_buttons()
00089 {
00090     if ( pad.A_pressed())  {
00091         lcd.printChar('A',0,0);
00092         pad.led(1,1.0);
00093         pad.tone(1000.0,0.2);
00094         printf("A pressed\n");
00095     }
00096     if ( pad.B_pressed())  {
00097         lcd.printChar('B',0,1);
00098         pad.led(2,1.0);
00099         pad.tone(1000.0,0.2);
00100         printf("B pressed\n");
00101     }
00102     if ( pad.X_pressed())  {
00103         lcd.printChar('X',0,2);
00104         pad.led(3,1.0);
00105         pad.tone(1000.0,0.2);
00106         printf("X pressed\n");
00107     }
00108     if ( pad.Y_pressed() ) {
00109         lcd.printChar('Y',0,3);
00110         pad.led(4,1.0);
00111         pad.tone(1000.0,0.2);
00112         printf("Y pressed\n");
00113     }
00114     if ( pad.start_pressed()) {
00115         lcd.printChar('S',78,2);
00116         pad.led(5,1.0);
00117         pad.tone(1000.0,0.2);
00118         printf("Start pressed\n");
00119     }
00120 
00121 
00122 }