File content as of revision 7:7fbe8dc5e4fa:

#include "mbed.h"
#include <string>
#include "Adafruit_LEDBackpack.h"
#include "Adafruit_GFX.h"
#include "TextLCD.h"
#include "DebounceIn.h"
#include "USBKeyboard.h"
#include "cc3000.h"
#include "Websocket.h"
#include "MbedJSONValue.h"

//LED stuff
I2C i2c_left(D7,D6);
Adafruit_24bargraph ledbar_left=Adafruit_24bargraph(&i2c_left);

I2C i2c_right(D5,D4);
Adafruit_24bargraph ledbar_right=Adafruit_24bargraph(&i2c_right);

DebounceIn upbutton(D9);
DebounceIn downbutton(D8);
DebounceIn leftbutton(D3);
DebounceIn rightbutton(D2);

//Scanner stuff

DebounceIn scanbutton(D10);

DigitalOut A_in(D0);
DigitalOut B_in(D1);
DigitalOut C_in(D2);
DigitalOut D_in(D3);
DigitalOut E_in(D4);
DigitalOut F_in(D5);

DigitalOut A_out(PTC7);
DigitalOut B_out(PTC0);
DigitalOut C_out(PTC3);

AnalogOut dac(PTE30);
AnalogIn  adc(PTB0);

//USBKeyboard keyboard;


//LCD stuff
TextLCD lcd(D13,D12,PTA17,PTA16,PTC17,PTC16,TextLCD::LCD20x4);

// cc3000 KL25Z wifi connection
// we need to define connection pins for:
// - IRQ      => (pin D3)
// - Enable   => (pin D5)
// - SPI CS   => (pin D10)
// - SPI MOSI => (pin D11)
// - SPI MISO => (pin D12)
// - SPI CLK  => (pin D13)
// plus wifi network SSID, password, security level and smart-configuration flag.

mbed_cc3000::cc3000 wifi(D3, D5, D10, SPI(D11, D12, D13),
                         "SSID", "PASSWORD", WPA2, false);
Websocket ws("ws://sockets.mbed.org/ws/toastboard/rw");

MbedJSONValue demo;

int main()
{

    //Scan init
    
    int con_mat[24][2] = {};
    float volt_mat[24][2] = {};
    float clientdata[48] = {};
    float rowval = 0, vddval = 0;
    
    //dac = test_val;


    //LED init
    int rowselect = 0, moved = 1, colselect = 0, selected = 0;
    ledbar_left.begin(0x70);
    ledbar_left.clear();
    ledbar_left.writeDisplay();

    ledbar_right.begin(0x70);
    ledbar_right.clear();
    ledbar_right.writeDisplay();

    //LCD init
    lcd.cls();


    while(1) {

        //Display

        if (colselect == 0) {
            ledbar_left.clear();
            ledbar_right.clear();
            ledbar_left.setBar(rowselect,LED_GREEN);
            ledbar_left.writeDisplay();
            ledbar_right.writeDisplay();
        } 
        else {
            ledbar_left.clear();
        ledbar_right.clear();
        ledbar_right.setBar(rowselect,LED_GREEN);
        ledbar_right.writeDisplay();
        ledbar_left.writeDisplay();
        }
        //Moving the selected row
        if (upbutton.read() == 0) {
            
            rowselect = rowselect-1;
            moved = 1;
            wait(0.75);
        }

        if (downbutton.read() == 0) {
            
            rowselect = rowselect+1;
            moved = 1;
            wait(0.75);
        }

        if (leftbutton.read() == 0) {
            colselect = 0;
            ledbar_right.clear();
            moved =1;
            wait(0.75);

        }

        if (rightbutton.read() == 0) {
            colselect = 1;
            ledbar_left.clear();
            moved =1;
            wait(0.75);


        }

        //Boundary checking
        if (rowselect > 23) {
            rowselect = 23;
        }
        if (rowselect < 0) {
            rowselect = 0;
        }

        //Implementing scanning

        if (scanbutton.read() == 0) {
            A_in = 1;
            B_in = 1;
            C_in = 1;
            D_in = 1;
            E_in = 1;
            F_in = 1;
            
            vddval = adc.read();

            //SET MULTIPLEXER TO READ SELECTED ROW
            // Sample the 'selected' node
            
            int sn = (colselect + 1)*(rowselect + 1);
            A_in = (sn-1)&2;
            B_in = ((sn-1)/2)%2;
            C_in = ((sn-1)/4)%2;
            D_in = ((sn-1)/8)%2;
            E_in = ((sn-1)/16)%2;
            F_in = ((sn-1)/32)%2;
            rowval = adc.read();

            ledbar_left.clear();
            ledbar_right.clear();

            for (int x = 0; x < 2; x++) {
                for (int y = 0; y < 24; y++) {
                    int sn = (colselect+1)*(rowselect+1);
                    A_in = (sn-1)&2;
                    B_in = ((sn-1)/2)%2;
                    C_in = ((sn-1)/4)%2;
                    D_in = ((sn-1)/8)%2;
                    E_in = ((sn-1)/16)%2;
                    F_in = ((sn-1)/32)%2;

                    float in_val = adc.read();
                    volt_mat[x][y] = in_val;
                    
                    if (x == 1){
                    int z = y+24;
                    clientdata[z] = in_val;
                    }
                    else {
                    clientdata[y] = in_val;
                    }
                   
                    
                    if ((in_val > vddval-0.01) && (in_val < vddval+0.01)) {
                        con_mat[x][y] = 2;
                        if (x == 0) {
                            ledbar_left.setBar(y,LED_RED);
                        } else {
                            ledbar_right.setBar(y,LED_RED);
                        }
                    } 
                    else if (in_val == 0) {
                        con_mat[x][y] = 3;
                        if (x == 0) {
                            ledbar_left.setBar(y,LED_YELLOW);
                        } else {
                            ledbar_right.setBar(y,LED_YELLOW);
                        }
                    } 
                    else if ((in_val > rowval-0.01) && (in_val < rowval+0.01)) {
                        con_mat[x][y] = 1;
                        if (x == 0) {
                            ledbar_left.setBar(y,LED_GREEN);
                        } else {
                            ledbar_right.setBar(y,LED_GREEN);
                        }
                    } 
                    else {
                        con_mat[x][y] = 0;
                    }
                  
                    
               } } //END OF ROWSCAN FOR LOOP
                
                //STUFF INTO JSON FORMAT
                char str[1];
                for (int i= 0; i < 48; i++) {
                sprintf(str, "%d", i);
                demo[str] = clientdata[i];
                    }
                demo["vdd"] = vddval;
                demo["rowval"] = rowval;
                selected = rowselect;
                    if (colselect == 1){
                      selected = selected+24;
                      }
                demo["selected"] = selected;
                
                
                
                moved = 0;
                
                wait(2);  //THIS NEEDS TO GO AWAY! :}
                
                } // END OF SCANBUTTON IF STATEMENT
                
                if (moved==0)  {
                ledbar_left.writeDisplay();
                ledbar_right.writeDisplay();
                lcd.cls();
                lcd.locate(0,1);
                lcd.printf("Vdd: %1.1f V",vddval);
                lcd.locate(0,0);
                lcd.printf("Row %d: %1.1f V",selected,rowval);
                    }
                else {
                lcd.cls();
                string programname = "The ToastBoard";
                string instructions = "Select a row and scan";
                lcd.locate(0,0);
                lcd.printf("%s",programname.c_str());
                lcd.locate(0,1);
                lcd.printf("%s",instructions.c_str());
                    }





            







        }  // END OF WHILE(1)




    }  // END OF INT MAIN