sendSync

// DEVCFG2
#pragma config FPLLIDIV = DIV_2 // PLL Input Divider (1x Divider)
#pragma config FPLLMUL = MUL_20 // PLL Multiplier (24x Multiplier)
#pragma config UPLLIDIV = DIV_2 // USB PLL Input Divider (12x Divider)
#pragma config UPLLEN = OFF // USB PLL Enable (Disabled and Bypassed)
#pragma config FPLLODIV = DIV_1 // System PLL Output Clock Divider (PLL Divide by 256)
// DEVCFG1
#pragma config FNOSC = PRIPLL // Oscillator Selection Bits (Primary Osc w/PLL (XT+,HS+,EC+PLL))
#pragma config FSOSCEN = ON // Secondary Oscillator Enable (Enabled)
#pragma config IESO = ON // Internal/External Switch Over (Enabled)
#pragma config POSCMOD = HS // Primary Oscillator Configuration (HS osc mode)
#pragma config OSCIOFNC = ON // CLKO Output Signal Active on the OSCO Pin (Enabled)
#pragma config FPBDIV = DIV_8 // Peripheral Clock Divisor (Pb_Clk is Sys_Clk/8)
#pragma config FCKSM = CSDCMD // Clock Switching and Monitor Selection (Clock Switch Disable, FSCM Disabled)
#pragma config WDTPS = PS1048576 // Watchdog Timer Postscaler (1:1048576)
#pragma config FWDTEN = OFF // Watchdog Timer Enable (WDT Disabled (SWDTEN Bit Controls))
// DEVCFG0
#pragma config DEBUG = OFF // Background Debugger Enable (Debugger is disabled)
#pragma config ICESEL = ICS_PGx2 // ICE/ICD Comm Channel Select (ICE EMUC2/EMUD2 pins shared with PGC2/PGD2)
#pragma config PWP = OFF // Program Flash Write Protect (Disable)
#pragma config BWP = OFF // Boot Flash Write Protect bit (Protection Disabled)
#pragma config CP = OFF // Code Protect (Protection Disabled)

#define CONFIG1 (ADC_MODULE_ON | ADC_FORMAT_INTG32 | ADC_CLK_AUTO | ADC_AUTO_SAMPLING_ON)
#define CONFIG2 (ADC_VREF_AVDD_AVSS | ADC_OFFSET_CAL_DISABLE | ADC_SCAN_ON |ADC_SAMPLES_PER_INT_1 | ADC_ALT_BUF_OFF | ADC_ALT_INPUT_OFF)
#define CONFIG3 (ADC_CONV_CLK_INTERNAL_RC | ADC_SAMPLE_TIME_15)
#define CONFIGPORT (ENABLE_AN1_ANA)
#define CONFIGSCAN (SKIP_SCAN_AN0 | SKIP_SCAN_AN2 | SKIP_SCAN_AN3 | SKIP_SCAN_AN4 |SKIP_SCAN_AN5 | SKIP_SCAN_AN6 | SKIP_SCAN_AN7 | SKIP_SCAN_AN8 | SKIP_SCAN_AN9 |SKIP_SCAN_AN10 | SKIP_SCAN_AN11 | SKIP_SCAN_AN12 | SKIP_SCAN_AN13 | SKIP_SCAN_AN14 |SKIP_SCAN_AN15)

#define PORT_CLOCK LATBbits.LATB13
#define PORT_DATA LATBbits.LATB14

#define bitN(arg,n) (((arg)>>(n))&1)

#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))

#define SYSCLK 80000000


#include <p32xxxx.h>
#include <plib.h> // Include the PIC32 Peripheral Library.

    int n = 0;
    int dato = 0;
    int nbit = 0;
    int readFlag = 0;

void initializeADC(){
    CloseADC10(); // Generally, you should disable the ADC before setup.
    // Use ground as negative reference for channel A instead of pin AN1 (RB1)
    SetChanADC10( ADC_CH0_NEG_SAMPLEA_NVREF);
    OpenADC10( CONFIG1, CONFIG2, CONFIG3, CONFIGPORT, CONFIGSCAN);
    // Setup for the ADC10.
    EnableADC10(); // Enables the ADC10.
}
long map(long x, long in_min, long in_max, long out_min, long out_max)
{
    return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}


void main(void) {

    SYSTEMConfigPerformance(SYSCLK);
    initializeADC();

    TRISB = 0x0000;
    TRISD = 0x0000;
    TRISG = 0x0000;
    TRISD = 0xffff;
    TRISDbits.TRISD4 = 1;
    TRISDbits.TRISD5 = 1;
    TRISDbits.TRISD6 = 1;
    TRISDbits.TRISD7 = 1;
    TRISDbits.TRISD8 = 1;
    TRISDbits.TRISD11 = 1;

        TRISBbits.TRISB1 = 1 ;

    TRISBbits.TRISB2 = 1 ;

    int btn_addresses[6] = {4,5,6,7,8,11};
    int oldbtn_states[6] = {PORTDbits.RD4,PORTDbits.RD5,PORTDbits.RD6,PORTDbits.RD7,PORTDbits.RD8,PORTDbits.RD11};
    int data_addresses[3] = {0b000, 0b001, 0b010};
    int amount = 0;
    int i = 0;
    int interval = 0;

    OpenTimer2( T2_ON | T2_SOURCE_INT | T2_PS_1_1, 0x04E2);
    OpenTimer3( T3_ON | T3_SOURCE_INT | T3_PS_1_64, 0x04E2);

    ConfigIntTimer2( T2_INT_OFF | T2_INT_PRIOR_2);
    ConfigIntTimer3( T3_INT_ON | T3_INT_PRIOR_3);

    INTEnableSystemMultiVectoredInt();
    PORT_CLOCK = 1;
    mJTAGPortEnable(0);
    while(1){

        if (oldbtn_states[i] & !bitN(PORTD,btn_addresses[i]))
        {
            amount = ReadADC10(0);

            if(i%2 == 0){
                interval = +1;
            }
            else{
                interval = -1;
            }


//POTENZIOMETRO boi

            amount = ReadADC10(0);
            int mappato =  map(amount, 0 ,1022, 0, 15);
            dato = data_addresses[i/2] | i%2 <<3 | mappato<<4;

            ConfigIntTimer2( T2_INT_ON | T2_INT_PRIOR_2);
        }
        if(readFlag){
            readFlag = 0;
            oldbtn_states[i] = bitN(PORTD,btn_addresses[i]);
            i++;
            i = i % 6;
        }

    }
//    i++;
//    i = i%6;
    return;
}

void __ISR(_TIMER_2_VECTOR, ipl2) handlesTimer2Ints(void){
// **make sure iplx matches the timer?s interrupt priority level
    n++;

    if(n >= 10){
        n = 0;
        PORT_DATA = bitN(dato,nbit);
        nbit++;
        if(nbit == 8){
            nbit = 0;
            PORT_CLOCK = 0;
            PORT_DATA = 0;
            ConfigIntTimer2( T2_INT_OFF | T2_INT_PRIOR_2);
        }
    }
    if(n % 5 == 0)
       PORT_CLOCK = PORT_CLOCK ^1;


    mT2ClearIntFlag();
// Clears the interrupt flag so that the program returns to the main loop
} // END Timer2 ISR

void __ISR(_TIMER_3_VECTOR, ipl3) handlesTimer3Ints(void){
// **make sure iplx matches the timer?s interrupt priority level
    readFlag = 1;
    mT3ClearIntFlag();
// Clears the interrupt flag so that the program returns to the main loop
}