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

Coursework

main.cpp@2:bb3dbda4d1f5, 2021-12-16 (annotated)

Committer:
sesa514652
Date:
Thu Dec 16 15:48:10 2021 +0000
Revision:
2:bb3dbda4d1f5
Parent:
1:757728321abd
Child:
3:6ecb75a2675c
piezo included

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 2:bb3dbda4d1f5 5 #include "pwm_tone.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 2:bb3dbda4d1f5 9 PwmOut 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 0:1f799c7cce2b 34
sesa514652 0:1f799c7cce2b 35 while(1) {
sesa514652 2:bb3dbda4d1f5 36 Auto_tunes(Buzzer,Do3,16);
sesa514652 1:757728321abd 37 long distanced = sensor.distance();
sesa514652 1:757728321abd 38 if (distanced >= 400 || distanced <= 2)
sesa514652 1:757728321abd 39 {
sesa514652 1:757728321abd 40 printf("Out of range");
sesa514652 1:757728321abd 41 wait(1.0);
sesa514652 1:757728321abd 42 }
sesa514652 2:bb3dbda4d1f5 43
sesa514652 1:757728321abd 44 else
sesa514652 1:757728321abd 45
sesa514652 1:757728321abd 46 {
sesa514652 1:757728321abd 47 printf("Distance : %d cm",distanced);
sesa514652 1:757728321abd 48 wait(1.0); // 1 sec
sesa514652 1:757728321abd 49 }
sesa514652 2:bb3dbda4d1f5 50 lcd.drawCircle(WIDTH/2,HEIGHT/2,distanced,FILL_BLACK);
sesa514652 2:bb3dbda4d1f5 51 lcd.refresh();
sesa514652 2:bb3dbda4d1f5 52 wait(5.0);
sesa514652 0:1f799c7cce2b 53 // these are default settings so not strictly needed
sesa514652 0:1f799c7cce2b 54 lcd.normalMode(); // normal colour mode
sesa514652 0:1f799c7cce2b 55 lcd.setBrightness(0.5); // put LED backlight on 50%
sesa514652 0:1f799c7cce2b 56
sesa514652 0:1f799c7cce2b 57 lcd.clear();
sesa514652 0:1f799c7cce2b 58 lcd.printString("Hello, World!",0,0);
sesa514652 0:1f799c7cce2b 59 Vector2D coord = joystick.get_coord();
sesa514652 0:1f799c7cce2b 60 lcd.refresh();
sesa514652 0:1f799c7cce2b 61
sesa514652 0:1f799c7cce2b 62 printf("Coord = %f,%f\n",coord.x,coord.y);
sesa514652 0:1f799c7cce2b 63 char buffer[14];
sesa514652 0:1f799c7cce2b 64 Vector2D mapped_coord = joystick.get_mapped_coord();
sesa514652 0:1f799c7cce2b 65 printf("Mapped coord = %f,%f\n",mapped_coord.x,mapped_coord.y);
sesa514652 0:1f799c7cce2b 66
sesa514652 0:1f799c7cce2b 67 int length = sprintf(buffer,"T = %2f",coord.x);
sesa514652 0:1f799c7cce2b 68 // it is important the format specifier ensures the length will fit in the buffer
sesa514652 0:1f799c7cce2b 69 if (length <= 14) // if string will fit on display (assuming printing at x=0)
sesa514652 0:1f799c7cce2b 70 lcd.printString(buffer,0,1); // display on screen
sesa514652 0:1f799c7cce2b 71 lcd.refresh();
sesa514652 0:1f799c7cce2b 72
sesa514652 0:1f799c7cce2b 73
sesa514652 0:1f799c7cce2b 74
sesa514652 0:1f799c7cce2b 75 lcd.clear();
sesa514652 0:1f799c7cce2b 76 // times by 50 to try get the point moving across screen
sesa514652 0:1f799c7cce2b 77 float x50 = mapped_coord.x*5;
sesa514652 0:1f799c7cce2b 78 float y50 = mapped_coord.y*8;
sesa514652 0:1f799c7cce2b 79 // to see what the values are
sesa514652 0:1f799c7cce2b 80 printf(" *50 = %f,%f\n",x50,y50);
sesa514652 0:1f799c7cce2b 81 //
sesa514652 0:1f799c7cce2b 82 // example of how to draw circles
sesa514652 1:757728321abd 83 lcd.printChar('o',WIDTH/2,HEIGHT/2);
sesa514652 0:1f799c7cce2b 84 lcd.refresh();
sesa514652 0:1f799c7cce2b 85
sesa514652 0:1f799c7cce2b 86
sesa514652 0:1f799c7cce2b 87 float mag = joystick.get_mag();
sesa514652 0:1f799c7cce2b 88 float angle = joystick.get_angle();
sesa514652 0:1f799c7cce2b 89 printf("Mag = %f Angle = %f\n",mag,angle);
sesa514652 0:1f799c7cce2b 90
sesa514652 0:1f799c7cce2b 91 Direction d = joystick.get_direction();
sesa514652 0:1f799c7cce2b 92 printf("Direction = %i\n",d);
sesa514652 0:1f799c7cce2b 93
sesa514652 0:1f799c7cce2b 94 if (joystick.button_pressed() ) {
sesa514652 0:1f799c7cce2b 95 printf("Button Pressed\n");
sesa514652 0:1f799c7cce2b 96 }
sesa514652 0:1f799c7cce2b 97
sesa514652 0:1f799c7cce2b 98
sesa514652 1:757728321abd 99
sesa514652 0:1f799c7cce2b 100
sesa514652 0:1f799c7cce2b 101 }
sesa514652 0:1f799c7cce2b 102 }
sesa514652 0:1f799c7cce2b 103
sesa514652 0:1f799c7cce2b 104
sesa514652 0:1f799c7cce2b 105
sesa514652 0:1f799c7cce2b 106
sesa514652 0:1f799c7cce2b 107