File content as of revision 13:034ffa96643d:

#include "mbed.h"
#include "Joystick.h"
#include "N5110.h"
#include "hcsr04.h"
#include "Piezo.h"
#include "string"
#include "PinDetect.h"
// FSM Menu 
// defines directions as 0/1. Note UPPERCASE
#define UP 0
#define DOWN 1
// set inital state
  volatile  int state = 0;
    // set initial direction
    int direction = UP;
// array of states in the FSM, each element is the output of the counter
// set the output in binary to make it easier, 0 is LED on, 1 is LED off
string fsm[4] = {"buttonA_isr","buttonB_isr","buttonAsss_isr","buttonA_isr"};
volatile int Press;

// y  x  button
Joystick joystick(PTB10,PTB11,PTC16);
HCSR04 sensor(D14, D15); 
Piezo Buzzer(PTC10);
//Bringing in buttons
//InterruptIn buttonA(PTB9);
PinDetect buttonA(PTB9, PullDown );

InterruptIn buttonB(PTD0);
InterruptIn buttonX(PTC17);
InterruptIn buttonY(PTC12);
InterruptIn buttonStart(PTC5);
InterruptIn buttonBack(PTB19);
InterruptIn buttonLeft(PTB18);
InterruptIn buttonRight(PTB3);

// create an event queue
EventQueue queue; // events are needed to get arround the printf issue 
//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();   //  Start K64fBoard

void buttonA_isr(); // Button A interrupt service routine
void buttonB_isr(); // Button B interrupt service routine
void buttonX_isr(); // Button X interrupt service routine
void buttonY_isr(); // Button Y interrupt service routine
int Presscount();
void buttonStart_isr(); // Button Start interrupt service routine
void buttonBack_isr(); // Button Back interrupt service routine
void buttonLeft_isr(); // Button Left interrupt service routine
void buttonRight_isr(); // Button Right interrupt service routine
volatile int g_buttonA_flag = 0; // Global Flag
volatile int g_buttonB_flag = 0; // Global Flag
volatile int g_buttonX_flag = 0; // Global Flag
volatile int g_buttonY_flag = 0; // Global Flag
volatile int g_buttonStart_flag = 0; // Global Flag
volatile int g_buttonBack_flag = 0; // Global Flag
volatile int g_buttonLeft_flag = 0; // Global Flag
volatile int g_buttonRight_flag = 0; // Global Flag





//volatile int g_buttonA_counter = 0; // Global counter
//Test function after research C++ lanuage 05/01/22
int cube(int num){
     return num*num;
      };
// Menu Items
int page1;
int page2;
int page3;
string Listitem1 = "Game"; // guess distance
string Listitem2 = "Measure"; // measure distance of object
string Listitem3 = "Detect"; // alarm when object is dectected
N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
 /* Test of the interup an operating the buzzer this kills the board 
 void buzzme(){
        Buzzer.play(200,120);
            wait_ms(5);
       Buzzer.play(200,120);;
 }
 */
 void printme(){
     
   volatile     double x ;
  x = 1;
     printf("%f\n",x);
    // return 0;
     }
     

//void returnme(){
//int num;
  //    return num*num;
  //    };
int main() {
//initialise Joystic
       joystick.init();
       Timer t;
       t.start();
       buttonA.setSampleFrequency(20); 
         // create a thread that'll run the event queue's dispatch function
  Thread eventThread;
  eventThread.start(callback(&queue, &EventQueue::dispatch_forever));
 
  buttonA.attach_asserted(&buttonA_isr); // This is used to call the function putting it in queue allowing the screen toupdat no muxt error
  buttonB.rise(queue.event(&buttonB_isr));
  buttonX.rise(queue.event(&buttonX_isr));
  buttonY.rise(queue.event(&buttonY_isr));
  buttonStart.rise(queue.event(&buttonStart_isr)); // This is used to call the function putting it in queue allowing the screen toupdat no muxt error
  buttonBack.rise(queue.event(&buttonBack_isr));
  buttonLeft.rise(queue.event(&buttonLeft_isr));
  buttonRight.rise(queue.event(&buttonRight_isr));
//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);
    // Button B is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister
    buttonB.mode(PullDown);
    // Button X is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister
    buttonX.mode(PullDown);
    // Button Y is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister
    buttonY.mode(PullDown);
    // Button Start is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister
    buttonStart.mode(PullDown);
    // Button Back is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister
    buttonBack.mode(PullDown);
    // Button Left is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister
    buttonLeft.mode(PullDown);
    // Button Right is connected between the pin and 3.3 V, we therefore need to turn on the internal pull-down resister
    buttonRight.mode(PullDown);
    
// It will return 0 by default and a 1 when pressed i.e. cause a rising edge
 //  buttonA.rise(&buttonA_isr);
   // It will return 0 by default and a 1 when pressed i.e. cause a rising edge
 //  buttonB.rise(&buttonB_isr);
   // It will return 0 by default and a 1 when pressed i.e. cause a rising edge
   //buttonX.rise(&buttonX_isr);
   // It will return 0 by default and a 1 when pressed i.e. cause a rising edge
  // buttonY.rise(&buttonY_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";
//buttonA.rise(&buzzme); Omitted due to error
//buttonA.rise(&printme,10);
//buttonA.rise(&returnme);   
    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 );
//Recording button presses

            // swap direction when button has been pressed
            // (could just use ! but want this to be explicit to aid understanding)
            if (direction == UP) {
                direction = DOWN;    
            }
            else {
                direction = UP;
string output;
        output = fsm[state];  


int result;
 result = cube(5);
    printf("Button A pressed  %f\n", cube(5));
int button_counter;
if (g_buttonA_flag){
                    button_counter = button_counter +1;
                    //case (test)
                   g_buttonA_flag = 0;  // if it has, clear the flag

            // send message over serial port - can observe in CoolTerm etc.
            printf("Button A pressed  %f\n", button_counter);
            }
if (g_buttonB_flag){
                   g_buttonB_flag = 0;  // if it has, clear the flag

            // send message over serial port - can observe in CoolTerm etc.
            printf("Button B pressed\n");
            }
if (g_buttonX_flag){
                   g_buttonX_flag = 0;  // if it has, clear the flag
                               // swap direction when button has been pressed
            // (could just use ! but want this to be explicit to aid understanding)
            if (direction == UP) {
                direction = DOWN;    
            }
            else {
                direction = UP;
            }

            // send message over serial port - can observe in CoolTerm etc.
            printf("Button X pressed\n");
                    lcd.clear();
        lcd.printString("Button Pressed!",0,0);
            lcd.refresh();
            wait(1);
            }
if (g_buttonY_flag){
                   g_buttonY_flag = 0;  // if it has, clear the flag

            // send message over serial port - can observe in CoolTerm etc.
            printf("Button Y pressed\n");
            }
       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");  
            wait(5);
        }
    
    }  
 }
 }
  int Presscount(){
        int currenttime;
        int lasttime; 
    
        
        Press++;
        return Press;
        }
   //Button A event-triggered interrupt
void buttonA_isr()
{

 Presscount();
 
        
    if(Press>3){
        Press = 0;
        }
        
    g_buttonA_flag = 1;   // set flag in ISR
  
        printf("press count = %i\n",Press);
            
      // lcd.clear(); 
        lcd.printString("Button A Pressed",0,0);
        
         lcd.refresh(); // set flag in ISR
}
 

  //Button B event-triggered interrupt
void buttonB_isr()
{
    g_buttonB_flag = 1;   // set flag in ISR
       lcd.clear(); 
        lcd.printString("Button B Pressed",0,0);
         lcd.refresh(); // set flag in ISR
}
  //Button X event-triggered interrupt
void buttonX_isr()
{
    g_buttonX_flag = 1;   // set flag in ISR
       lcd.clear(); 
        lcd.printString("Button X Pressed",0,0);
         lcd.refresh(); // set flag in ISR
}
  //Button Y event-triggered interrupt
void buttonY_isr()
{
    g_buttonY_flag = 1;   // set flag in ISR
       lcd.clear(); 
        lcd.printString("Button Y Pressed",0,0);
         lcd.refresh(); // set flag in ISR
}
  //Button Start event-triggered interrupt
void buttonStart_isr()
{
    g_buttonStart_flag = 1;   // set flag in ISR
       lcd.clear(); 
        lcd.printString("Button Start Pressed",0,0);
         lcd.refresh(); // set flag in ISR
         }
           //Button Back event-triggered interrupt
void buttonBack_isr()
{
    g_buttonBack_flag = 1;   // set flag in ISR
       lcd.clear(); 
        lcd.printString("Button Back Pressed",0,0);
         lcd.refresh(); // set flag in ISR
         }
           //Button Left event-triggered interrupt
void buttonLeft_isr()
{
    g_buttonLeft_flag = 1;   // set flag in ISR
       lcd.clear(); 
        lcd.printString("Button Left Pressed",0,0);
         lcd.refresh(); // set flag in ISR
         }
  //Button Right event-triggered interrupt
void buttonRight_isr()
{
    g_buttonRight_flag = 1;   // set flag in ISR
       lcd.clear(); 
        lcd.printString("Button Right Pressed",0,0);
         lcd.refresh(); // set flag in ISR
         }