(DA) Internet of Things and Smart Electronics- ELE3006M2122
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18689004Coursework
Coursework
main.cpp
- Committer:
- sesa514652
- Date:
- 2022-01-06
- Revision:
- 8:770d168713cc
- Parent:
- 7:ce70a873aa70
- Child:
- 9:cdd7d9a123f9
File content as of revision 8:770d168713cc:
#include "mbed.h" #include "Joystick.h" #include "N5110.h" #include "hcsr04.h" #include "Piezo.h" #include "string" // y x button Joystick joystick(PTB10,PTB11,PTC16); HCSR04 sensor(D14, D15); Piezo Buzzer(PTC10); //Bringing in buttons InterruptIn buttonA(PTB9); InterruptIn buttonB(PTD0); InterruptIn buttonX(PTC17); InterruptIn buttonY(PTC12); //rows,cols int sprite[8][5] = { { 0,0,1,0,0 }, { 0,1,1,1,0 }, { 0,0,1,0,0 }, { 0,1,1,1,0 }, { 1,1,1,1,1 }, { 1,1,1,1,1 }, { 1,1,0,1,1 }, { 1,1,0,1,1 }, }; void init_K64F(); // Button A interrupt service routine void buttonA_isr(); volatile int g_buttonA_flag = 0; //Test function after research C++ lanuage 05/01/22 int cube(int num){ int result; result = num*num; return result; }; N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11); int main() { //initialise Joystic joystick.init(); //first need to initialise display lcd.init(); // Button A is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister buttonA.mode(PullDown); // It will return 0 by default and a 1 when pressed i.e. cause a rising edge buttonA.rise(&buttonA_isr); //change set contrast in range 0.0 to 1.0 //0.5 appears to be a good starting point lcd.setContrast(0.5); //Buzzer.period(10.0f); //Buzzer.pulsewidth(1); //Test Struct after research 05/01/22 struct ObjectDefine{ int qwer; float Distance; char te; double dubs; string namestruct; // string ; }; // Test Class 06/01/22 class myClass{ public: string nameclass ; double dubss; int inty; }; myClass Class1; Class1.nameclass ="firstclass"; ObjectDefine Object1; Object1.qwer = 12; Object1.Distance = 34; Object1.te = 'A'; Object1.dubs = 23; Object1.namestruct = "name"; while(1) { //Tune(Buzzer,So6,8); //Stop_tunes(Buzzer); //Section of code to try to get the button press to be recorded bool button = buttonA.read(); printf("%f\n", g_buttonA_flag ); Buzzer.play(200,120); wait_ms(5); Buzzer.play(200,120); long distanced = sensor.distance(); if (distanced >= 400 || distanced <= 2) { printf("Out of range"); //Calling dummy function 05/01/22 int answer = cube(2); printf("%f\n",answer); wait(1.0); } else { printf("Distance : %d cm",distanced); wait(1.0); // 1 sec } lcd.drawCircle(WIDTH/2,HEIGHT/2,distanced,FILL_BLACK); //lcd.refresh must be used to update the lcd Display lcd.refresh(); wait(5.0); //these are default settings so not strictly needed lcd.normalMode(); // normal colour mode lcd.setBrightness(0.5); // put LED backlight on 50% lcd.clear(); lcd.printString("Hello, World!",0,0); Vector2D coord = joystick.get_coord(); lcd.refresh(); printf("Coord = %f,%f\n",coord.x,coord.y); char buffer[14]; Vector2D mapped_coord = joystick.get_mapped_coord(); printf("Mapped coord = %f,%f\n",mapped_coord.x,mapped_coord.y); int length = sprintf(buffer,"T = %2f",coord.x); //it is important the format specifier ensures the length will fit in the buffer if (length <= 14) // if string will fit on display (assuming printing at x=0) lcd.printString(buffer,0,1); // display on screen lcd.refresh(); lcd.clear(); //times by 50 to try get the point moving across screen float x50 = mapped_coord.x*5; float y50 = mapped_coord.y*8; //to see what the values are printf(" *50 = %f,%f\n",x50,y50); //example of how to draw circles lcd.printChar('o',WIDTH/2,HEIGHT/2); lcd.refresh(); float mag = joystick.get_mag(); float angle = joystick.get_angle(); printf("Mag = %f Angle = %f\n",mag,angle); Direction d = joystick.get_direction(); printf("Direction = %i\n",d); if (joystick.button_pressed() ) { printf("Button Pressed\n"); } } } // Button A event-triggered interrupt void buttonA_isr() { g_buttonA_flag = 1; // set flag in ISR }