(DA) Internet of Things and Smart Electronics- ELE3006M2122 / Mbed OS 18689004Coursework

Coursework

main.cpp@3:6ecb75a2675c, 2021-12-16 (annotated)

Committer:
sesa514652
Date:
Thu Dec 16 16:20:11 2021 +0000
Revision:
3:6ecb75a2675c
Parent:
2:bb3dbda4d1f5
Child:
4:167ce930c9d5
Piezo double beep

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sesa514652 0:1f799c7cce2b 1 #include "mbed.h"
sesa514652 0:1f799c7cce2b 2 #include "Joystick.h"
sesa514652 0:1f799c7cce2b 3 #include "N5110.h"
sesa514652 0:1f799c7cce2b 4 #include "hcsr04.h"
sesa514652 3:6ecb75a2675c 5 #include "Piezo.h"
sesa514652 0:1f799c7cce2b 6 // y x button
sesa514652 0:1f799c7cce2b 7 Joystick joystick(PTB10,PTB11,PTC16);
sesa514652 0:1f799c7cce2b 8 HCSR04 sensor(D14, D15);
sesa514652 3:6ecb75a2675c 9 Piezo Buzzer(PTC10);
sesa514652 0:1f799c7cce2b 10
sesa514652 0:1f799c7cce2b 11 // rows,cols
sesa514652 0:1f799c7cce2b 12 int sprite[8][5] = {
sesa514652 0:1f799c7cce2b 13 { 0,0,1,0,0 },
sesa514652 0:1f799c7cce2b 14 { 0,1,1,1,0 },
sesa514652 0:1f799c7cce2b 15 { 0,0,1,0,0 },
sesa514652 0:1f799c7cce2b 16 { 0,1,1,1,0 },
sesa514652 0:1f799c7cce2b 17 { 1,1,1,1,1 },
sesa514652 0:1f799c7cce2b 18 { 1,1,1,1,1 },
sesa514652 0:1f799c7cce2b 19 { 1,1,0,1,1 },
sesa514652 0:1f799c7cce2b 20 { 1,1,0,1,1 },
sesa514652 0:1f799c7cce2b 21 };
sesa514652 0:1f799c7cce2b 22 N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
sesa514652 0:1f799c7cce2b 23 int main() {
sesa514652 0:1f799c7cce2b 24 //initialise Joystick
sesa514652 0:1f799c7cce2b 25 joystick.init();
sesa514652 0:1f799c7cce2b 26 // first need to initialise display
sesa514652 0:1f799c7cce2b 27 lcd.init();
sesa514652 0:1f799c7cce2b 28
sesa514652 0:1f799c7cce2b 29 // change set contrast in range 0.0 to 1.0
sesa514652 0:1f799c7cce2b 30 // 0.5 appears to be a good starting point
sesa514652 0:1f799c7cce2b 31 lcd.setContrast(0.5);
sesa514652 2:bb3dbda4d1f5 32 // Buzzer.period(10.0f);
sesa514652 2:bb3dbda4d1f5 33 //Buzzer.pulsewidth(1);
sesa514652 3:6ecb75a2675c 34
sesa514652 0:1f799c7cce2b 35 while(1) {
sesa514652 3:6ecb75a2675c 36 // Tune(Buzzer,So6,8);
sesa514652 3:6ecb75a2675c 37 //Stop_tunes(Buzzer);
sesa514652 3:6ecb75a2675c 38 Buzzer.play(200,120);
sesa514652 3:6ecb75a2675c 39 wait_ms(5);
sesa514652 3:6ecb75a2675c 40 Buzzer.play(200,120);
sesa514652 1:757728321abd 41 long distanced = sensor.distance();
sesa514652 1:757728321abd 42 if (distanced >= 400 || distanced <= 2)
sesa514652 1:757728321abd 43 {
sesa514652 1:757728321abd 44 printf("Out of range");
sesa514652 1:757728321abd 45 wait(1.0);
sesa514652 1:757728321abd 46 }
sesa514652 2:bb3dbda4d1f5 47
sesa514652 1:757728321abd 48 else
sesa514652 1:757728321abd 49
sesa514652 1:757728321abd 50 {
sesa514652 1:757728321abd 51 printf("Distance : %d cm",distanced);
sesa514652 1:757728321abd 52 wait(1.0); // 1 sec
sesa514652 1:757728321abd 53 }
sesa514652 2:bb3dbda4d1f5 54 lcd.drawCircle(WIDTH/2,HEIGHT/2,distanced,FILL_BLACK);
sesa514652 2:bb3dbda4d1f5 55 lcd.refresh();
sesa514652 2:bb3dbda4d1f5 56 wait(5.0);
sesa514652 0:1f799c7cce2b 57 // these are default settings so not strictly needed
sesa514652 0:1f799c7cce2b 58 lcd.normalMode(); // normal colour mode
sesa514652 0:1f799c7cce2b 59 lcd.setBrightness(0.5); // put LED backlight on 50%
sesa514652 0:1f799c7cce2b 60
sesa514652 0:1f799c7cce2b 61 lcd.clear();
sesa514652 0:1f799c7cce2b 62 lcd.printString("Hello, World!",0,0);
sesa514652 0:1f799c7cce2b 63 Vector2D coord = joystick.get_coord();
sesa514652 0:1f799c7cce2b 64 lcd.refresh();
sesa514652 0:1f799c7cce2b 65
sesa514652 0:1f799c7cce2b 66 printf("Coord = %f,%f\n",coord.x,coord.y);
sesa514652 0:1f799c7cce2b 67 char buffer[14];
sesa514652 0:1f799c7cce2b 68 Vector2D mapped_coord = joystick.get_mapped_coord();
sesa514652 0:1f799c7cce2b 69 printf("Mapped coord = %f,%f\n",mapped_coord.x,mapped_coord.y);
sesa514652 0:1f799c7cce2b 70
sesa514652 0:1f799c7cce2b 71 int length = sprintf(buffer,"T = %2f",coord.x);
sesa514652 0:1f799c7cce2b 72 // it is important the format specifier ensures the length will fit in the buffer
sesa514652 0:1f799c7cce2b 73 if (length <= 14) // if string will fit on display (assuming printing at x=0)
sesa514652 0:1f799c7cce2b 74 lcd.printString(buffer,0,1); // display on screen
sesa514652 0:1f799c7cce2b 75 lcd.refresh();
sesa514652 0:1f799c7cce2b 76
sesa514652 0:1f799c7cce2b 77
sesa514652 0:1f799c7cce2b 78
sesa514652 0:1f799c7cce2b 79 lcd.clear();
sesa514652 0:1f799c7cce2b 80 // times by 50 to try get the point moving across screen
sesa514652 0:1f799c7cce2b 81 float x50 = mapped_coord.x*5;
sesa514652 0:1f799c7cce2b 82 float y50 = mapped_coord.y*8;
sesa514652 0:1f799c7cce2b 83 // to see what the values are
sesa514652 0:1f799c7cce2b 84 printf(" *50 = %f,%f\n",x50,y50);
sesa514652 0:1f799c7cce2b 85 //
sesa514652 0:1f799c7cce2b 86 // example of how to draw circles
sesa514652 1:757728321abd 87 lcd.printChar('o',WIDTH/2,HEIGHT/2);
sesa514652 0:1f799c7cce2b 88 lcd.refresh();
sesa514652 0:1f799c7cce2b 89
sesa514652 0:1f799c7cce2b 90
sesa514652 0:1f799c7cce2b 91 float mag = joystick.get_mag();
sesa514652 0:1f799c7cce2b 92 float angle = joystick.get_angle();
sesa514652 0:1f799c7cce2b 93 printf("Mag = %f Angle = %f\n",mag,angle);
sesa514652 0:1f799c7cce2b 94
sesa514652 0:1f799c7cce2b 95 Direction d = joystick.get_direction();
sesa514652 0:1f799c7cce2b 96 printf("Direction = %i\n",d);
sesa514652 0:1f799c7cce2b 97
sesa514652 0:1f799c7cce2b 98 if (joystick.button_pressed() ) {
sesa514652 0:1f799c7cce2b 99 printf("Button Pressed\n");
sesa514652 0:1f799c7cce2b 100 }
sesa514652 0:1f799c7cce2b 101
sesa514652 0:1f799c7cce2b 102
sesa514652 1:757728321abd 103
sesa514652 0:1f799c7cce2b 104
sesa514652 0:1f799c7cce2b 105 }
sesa514652 0:1f799c7cce2b 106 }
sesa514652 0:1f799c7cce2b 107
sesa514652 0:1f799c7cce2b 108
sesa514652 0:1f799c7cce2b 109
sesa514652 0:1f799c7cce2b 110
sesa514652 0:1f799c7cce2b 111