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

Coursework

main.cpp@4:167ce930c9d5, 2022-01-05 (annotated)

Committer:
sesa514652
Date:
Wed Jan 05 16:52:47 2022 +0000
Revision:
4:167ce930c9d5
Parent:
3:6ecb75a2675c
Child:
5:9b2c976ca318
Added first user created function  saving for POC to be able to use later

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 4:167ce930c9d5 22 //Test Void after research C++ lanuage 05/01/22
sesa514652 4:167ce930c9d5 23 int cube(int num){
sesa514652 4:167ce930c9d5 24 int result;
sesa514652 4:167ce930c9d5 25 result = num*num;
sesa514652 4:167ce930c9d5 26 return result;
sesa514652 4:167ce930c9d5 27 };
sesa514652 4:167ce930c9d5 28
sesa514652 0:1f799c7cce2b 29 N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
sesa514652 0:1f799c7cce2b 30 int main() {
sesa514652 0:1f799c7cce2b 31 //initialise Joystick
sesa514652 0:1f799c7cce2b 32 joystick.init();
sesa514652 0:1f799c7cce2b 33 // first need to initialise display
sesa514652 0:1f799c7cce2b 34 lcd.init();
sesa514652 0:1f799c7cce2b 35
sesa514652 0:1f799c7cce2b 36 // change set contrast in range 0.0 to 1.0
sesa514652 0:1f799c7cce2b 37 // 0.5 appears to be a good starting point
sesa514652 0:1f799c7cce2b 38 lcd.setContrast(0.5);
sesa514652 2:bb3dbda4d1f5 39 // Buzzer.period(10.0f);
sesa514652 2:bb3dbda4d1f5 40 //Buzzer.pulsewidth(1);
sesa514652 3:6ecb75a2675c 41
sesa514652 4:167ce930c9d5 42
sesa514652 0:1f799c7cce2b 43 while(1) {
sesa514652 3:6ecb75a2675c 44 // Tune(Buzzer,So6,8);
sesa514652 3:6ecb75a2675c 45 //Stop_tunes(Buzzer);
sesa514652 3:6ecb75a2675c 46 Buzzer.play(200,120);
sesa514652 3:6ecb75a2675c 47 wait_ms(5);
sesa514652 3:6ecb75a2675c 48 Buzzer.play(200,120);
sesa514652 1:757728321abd 49 long distanced = sensor.distance();
sesa514652 1:757728321abd 50 if (distanced >= 400 || distanced <= 2)
sesa514652 1:757728321abd 51 {
sesa514652 1:757728321abd 52 printf("Out of range");
sesa514652 4:167ce930c9d5 53 // calling dummy function 05/01/22
sesa514652 4:167ce930c9d5 54 int answer = cube(2);
sesa514652 4:167ce930c9d5 55 printf("%f\n",answer);
sesa514652 4:167ce930c9d5 56
sesa514652 1:757728321abd 57 wait(1.0);
sesa514652 1:757728321abd 58 }
sesa514652 2:bb3dbda4d1f5 59
sesa514652 1:757728321abd 60 else
sesa514652 1:757728321abd 61
sesa514652 1:757728321abd 62 {
sesa514652 1:757728321abd 63 printf("Distance : %d cm",distanced);
sesa514652 1:757728321abd 64 wait(1.0); // 1 sec
sesa514652 1:757728321abd 65 }
sesa514652 2:bb3dbda4d1f5 66 lcd.drawCircle(WIDTH/2,HEIGHT/2,distanced,FILL_BLACK);
sesa514652 2:bb3dbda4d1f5 67 lcd.refresh();
sesa514652 2:bb3dbda4d1f5 68 wait(5.0);
sesa514652 0:1f799c7cce2b 69 // these are default settings so not strictly needed
sesa514652 0:1f799c7cce2b 70 lcd.normalMode(); // normal colour mode
sesa514652 0:1f799c7cce2b 71 lcd.setBrightness(0.5); // put LED backlight on 50%
sesa514652 0:1f799c7cce2b 72
sesa514652 0:1f799c7cce2b 73 lcd.clear();
sesa514652 0:1f799c7cce2b 74 lcd.printString("Hello, World!",0,0);
sesa514652 0:1f799c7cce2b 75 Vector2D coord = joystick.get_coord();
sesa514652 0:1f799c7cce2b 76 lcd.refresh();
sesa514652 0:1f799c7cce2b 77
sesa514652 0:1f799c7cce2b 78 printf("Coord = %f,%f\n",coord.x,coord.y);
sesa514652 0:1f799c7cce2b 79 char buffer[14];
sesa514652 0:1f799c7cce2b 80 Vector2D mapped_coord = joystick.get_mapped_coord();
sesa514652 0:1f799c7cce2b 81 printf("Mapped coord = %f,%f\n",mapped_coord.x,mapped_coord.y);
sesa514652 0:1f799c7cce2b 82
sesa514652 0:1f799c7cce2b 83 int length = sprintf(buffer,"T = %2f",coord.x);
sesa514652 0:1f799c7cce2b 84 // it is important the format specifier ensures the length will fit in the buffer
sesa514652 0:1f799c7cce2b 85 if (length <= 14) // if string will fit on display (assuming printing at x=0)
sesa514652 0:1f799c7cce2b 86 lcd.printString(buffer,0,1); // display on screen
sesa514652 0:1f799c7cce2b 87 lcd.refresh();
sesa514652 0:1f799c7cce2b 88
sesa514652 0:1f799c7cce2b 89
sesa514652 0:1f799c7cce2b 90
sesa514652 0:1f799c7cce2b 91 lcd.clear();
sesa514652 0:1f799c7cce2b 92 // times by 50 to try get the point moving across screen
sesa514652 0:1f799c7cce2b 93 float x50 = mapped_coord.x*5;
sesa514652 0:1f799c7cce2b 94 float y50 = mapped_coord.y*8;
sesa514652 0:1f799c7cce2b 95 // to see what the values are
sesa514652 0:1f799c7cce2b 96 printf(" *50 = %f,%f\n",x50,y50);
sesa514652 0:1f799c7cce2b 97 //
sesa514652 0:1f799c7cce2b 98 // example of how to draw circles
sesa514652 1:757728321abd 99 lcd.printChar('o',WIDTH/2,HEIGHT/2);
sesa514652 0:1f799c7cce2b 100 lcd.refresh();
sesa514652 0:1f799c7cce2b 101
sesa514652 0:1f799c7cce2b 102
sesa514652 0:1f799c7cce2b 103 float mag = joystick.get_mag();
sesa514652 0:1f799c7cce2b 104 float angle = joystick.get_angle();
sesa514652 0:1f799c7cce2b 105 printf("Mag = %f Angle = %f\n",mag,angle);
sesa514652 0:1f799c7cce2b 106
sesa514652 0:1f799c7cce2b 107 Direction d = joystick.get_direction();
sesa514652 0:1f799c7cce2b 108 printf("Direction = %i\n",d);
sesa514652 0:1f799c7cce2b 109
sesa514652 0:1f799c7cce2b 110 if (joystick.button_pressed() ) {
sesa514652 0:1f799c7cce2b 111 printf("Button Pressed\n");
sesa514652 0:1f799c7cce2b 112 }
sesa514652 0:1f799c7cce2b 113
sesa514652 0:1f799c7cce2b 114
sesa514652 1:757728321abd 115
sesa514652 0:1f799c7cce2b 116
sesa514652 0:1f799c7cce2b 117 }
sesa514652 0:1f799c7cce2b 118 }
sesa514652 0:1f799c7cce2b 119
sesa514652 0:1f799c7cce2b 120
sesa514652 0:1f799c7cce2b 121
sesa514652 0:1f799c7cce2b 122
sesa514652 0:1f799c7cce2b 123