File content as of revision 12:1c821d6d50f9:

/* 

Acknowledgements to (c) Craig A. Evans, University of Leeds, Feb 2016 for Temp Library
Acknowledgements to (c) Dr. Edmond Nurellari, University of Lincoln, Dec 2021 for Classes used

Using Various Libraries & Functions in order to create a 
Temperature Based Health Assistive Smart Device
*/ 

/*
======================== Library Imports =======================================
Importing the Header Files from the Class Libraries into the main.cpp
*/
#include "mbed.h"                               // Mbed OS Library
#include "TMP102.h"                             // TMP102 Header File
#include "N5110.h"                              // N5110 Header File 
#include "Bitmap.h"                             // Bitmap Header File 
#include "Joystick.h"                           // Joystick Header File

/*
========================== Vairable Setup ======================================
Pre-Determining the various Variable names to hardware pins on the K64F Board
*/

TMP102 tmp102(I2C_SDA,I2C_SCL);                // Create TMP102 object
N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);     // Create lcd objec
Serial serial(USBTX,USBRX);                    // CoolTerm TX, RX Comms Setup for Debug
AnalogIn SP(PTB2);                             // Potentiometer for Setpoint
Joystick Joystick(PTB10,PTB11,PTC16);          // Create Joystick (PTB10 = Up/Down) (PTB11 = L/R) (PTB16 = Button)

//Timer timer();                                 // USE FOR LOGGING BETWEEN 0-10s

DigitalOut RED_led(LED_RED);                   // On-board K64F LED'S
DigitalOut GRN_led(LED_GREEN);
DigitalOut BLU_led(LED_BLUE);

InterruptIn sw2(SW2);                          // On-board K64F Switches
InterruptIn sw3(SW3);
InterruptIn R(PTB3);                         // Right Bumper Button
InterruptIn L(PTB18);                        // Left Bumper Button

volatile int g_R_flag = 0;                    // g_ in order to show it is a global variable. 
volatile int g_L_flag = 0;                    // volatile flag as it will change within the isr

/*======================= Void Declaration ===================================*/
void error();                                  // Error Hang Code Function
void init_serial();                            // Setup serial port Function
void init_K64F();                              // K64F Disabling Onboard Components Function
void R_isr();
void L_isr();
void info();
void temp_SP();

/*======================== Main Function =====================================*/
int main()
{
    
    init_K64F();                                // Initialise K64F Board
    init_serial();                              // Initialise Serial Port
    tmp102.init();                              // Initialise Temp Sensor
    lcd.init();                                 // Initialise LCD
    Joystick.init();
        
    lcd.setContrast(0.4);                       // Setup the contrast for the LCD Screen
    R.fall(&R_isr);
    R.mode(PullDown);
    
    L.fall(&L_isr);
    L.mode(PullDown);
    
    while (1) {        
        //timer.start(); 
        //for(i = 0; i < 10; i++){
        // read temperature and print over serial port
                                                                       
        if (g_R_flag){                               // Condition to change over into new loop
            g_R_flag = 0;                                   // When the R Flag has been pressed
            R.rise(&R_isr);       
            info();                                         // Call the info function           
        }
        lcd.refresh();                                  
        wait(1.0); 

        if (g_L_flag){                                  // Condition to change over into new loop
            g_L_flag = 0;       
            L.fall(&L_isr);
            temp_SP();
        lcd.refresh();                                  
        wait(1.0);
                                                                
    }
}
}

/*
=========================== Void Setup =========================================
Custom Function's are called Void's, which are called upon inside the of the
Main Function Code
*/

void init_serial() {
                                        // Baud Rate Communication for CoolTerm Debugging
    serial.baud(9600);                          
}

void init_K64F() 
{
        // on-board LEDs are active when 0, so setting the pin to 1 turns them off.
    RED_led = 1;
    GRN_led = 1;
    BLU_led = 1;       
                       /* since the on-board switches have external pull-ups, disable the 
                        * internal pull-down resistors that are enabled by default using
                        * the InterruptIn Command */
    sw2.mode(PullNone);
    sw3.mode(PullNone);
}

void R_isr()                            // Right Bumper Interrupt Service     
{
    g_R_flag = 1;                       // set flag in ISR
}

void L_isr()                            // Left Bumper Interrupt Service     
{
    g_L_flag = 1;                       // set flag in ISR
}
void info()
{
        serial.printf(" Information Page Selected ");  // Debugging Print
        lcd.clear();                                   // Clear Screen
        lcd.printString("Info Page",0,0);              // Print Information Screen
        lcd.printString("Author:",0,1);
        lcd.printString("Louis M",0,2);
        lcd.printString("18689006",0,3);
        lcd.printString("Version 1.9",0,4);   
    
} 
void Page1()
{
        serial.printf(" Page 1 ");  // Debugging Print
        lcd.clear();                                   // Clear Screen
        lcd.printString("    Page 1    ",0,0);              // Print Information Screen
        lcd.printString("Temperature",0,1);
        lcd.printString("Logging",0,2);
        lcd.printString("Press A",0,3);
        lcd.printString("Page Down",0,5);   
    
}
void Page2()
{
        serial.printf(" Page 2 ");  // Debugging Print
        lcd.clear();                                   // Clear Screen
        lcd.printString("    Page 2    ",0,1);              // Print Information Screen
        lcd.printString("Blood Pressure",0,2);
        lcd.printString("Logging",0,3);
        lcd.printString("Press A",0,5);
        lcd.printString("Page Up",0,0);   
    
}  
void temp_SP()
{
        float T = tmp102.get_temperature();             // Reading Temperature as a floating variable
        float Set = SP * 100;                           // Reading Potentiometer as a floating variable. Multiplied by 100 to give larger range        
        
        //serial.printf("%2.2fs: %3.1f deg C\n\r", timer.read(), T);
        
        //if (T > Set){
        lcd.clear();                                    // clearing the LCD buffer at the begining of the loop        
        lcd.printString("Temperature",0,0);             // Can also pre-determine the co-ordinates of the ',0,0' (must be less than 84 pixels to fit on display)            
        char buffer[14];                                // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14 Max amound of Characters)
                                                        // Therefor strings csn not exceed the 14 Character Limit
                                                                  
        int length = sprintf(buffer,"T=%.2F 'C",T);     // print the temperature from the float variable T
        if (length <= 14)                               // Ensuring string will fit on the screen (Printing at x=0)                                                                  
            lcd.printString(buffer,0,1);                // display on screen
        serial.printf("T = %f C\n",T);                  // Printing the Temperature over Serial Port
        
        length = sprintf(buffer,"SP=%.2F 'C",Set);      // Print the Setpoint from the Float Variable Set 
        if (length <= 14)                               // Ensuring string will fit on the screen (Printing at x=0)
          lcd.printString(buffer,0,2);                  // display on screen
        serial.printf("   SP = %f",  Set);              // 
        
        if (Set < T){                                // Condition to change over into new loop
            lcd.clear();                                    // clearing the LCD buffer at the begining of the loop
            lcd.printString("Over Heating",3,2);            // Print New Message
            serial.printf("OverTemp");                      // Debugging Print   
        }
}    
void init_Menu()
{
    Joystick.init();
    Direction d = Joystick.get_direction();
    serial.printf("Direction = %i/n ",d);

    int select = 0;
    while (1) {
        switch(select) {
            case 0:
                switch(d) {
                    case N:
                        select = 1;
                        serial.printf("UP");
                        break;
                    case S:
                        select = 2;
                        serial.printf("DOWN");
                        break;
                }
                break;
            case 1:
                switch(d) {
                    case N:
                        select = 2;
                        serial.printf("UP");
                        break;
                    case S:
                        select = 0;
                        serial.printf("DOWN");
                        break;
            case 2:
                switch(d) {
                    case N:
                        select = 0;
                        serial.printf("UP");
                        break;
                    case S:
                        select = 1;
                        serial.printf("DOWN");
                        break;
        }
        wait(1);

            if (select == 0){
                lcd.clear();                                   // Clear Screen
                serial.printf("Welcome");
                lcd.printString("   Welcome   ",0,1);              // Print Information Screen
                lcd.printString("Main Menu",0,3);
                lcd.printString("Page Down",0,5);    
                }
                if (g_R_flag){                               // Condition to change over into new loop
                g_R_flag = 0;                                   // When the R Flag has been pressed
                R.rise(&R_isr);
                serial.printf("R Pressed");
                }
            else if (select == 1){
                serial.printf("Page1");
                Page1();
                }
                if (g_R_flag){                               // Condition to change over into new loop
                g_R_flag = 0;                                   // When the R Flag has been pressed
                R.rise(&R_isr);
                serial.printf("R Pressed");
                }
            else if (select == 2){
                serial.printf("Page2");
                Page2();
                }
        
}
}
}
}