#include <p24hj128gp204.h>
#include <spi.h>

void main() {
    unsigned int X = 3;
   
    Init_conf();
   
    PORTB = 0;

    PORTCbits.RC4 = 0;
    WriteSPI1 (0x0005);
    PORTCbits.RC4 = 1;

    X = ReadSPI1();
    PORTB = X;

    while (1);

}

void Init_conf () {

    unsigned int SPICON1Value;
    unsigned int SPICON2Value;
    unsigned int SPISTATValue;

    //PORTB
    AD1PCFGL = 0xffff;          //Analog module off
    TRISB = 0x0000;

    //PORTC
    TRISC = 0x0000;
    PORTCbits.RC4 = 1;
    RPINR20 = 0x1F11;           // SDI - RC1
    RPOR9 = 0x0807;             // SCK - RC3 SDO - RC2

    //SPI
    CloseSPI1();                // SPI off, for setting

    SPICON1Value = ENABLE_SCK_PIN & ENABLE_SDO_PIN & SPI_MODE16_ON &
                   SPI_SMP_ON & SPI_CKE_OFF & SLAVE_ENABLE_OFF &
                   CLK_POL_ACTIVE_HIGH & MASTER_ENABLE_ON &
                   SEC_PRESCAL_1_1 & PRI_PRESCAL_1_1;
    SPICON2Value = FRAME_ENABLE_OFF & FRAME_SYNC_OUTPUT;
    SPISTATValue = SPI_ENABLE;

    OpenSPI1 (SPICON1Value, SPICON2Value, SPISTATValue);// setting end, SPI on

    //Oscillator
   

}

#include <p24hj128gp204.h>
#include <spi.h>

void main() {
    int X = 0;
   
    Init_conf();
    X = ReadSPI1();
    if (X == 0x0005) {
        WriteSPI1 (0xf1f1);
    }
    PORTB = X;

    while (1);

}

void Init_conf () {

    unsigned int SPICON1Value;
    unsigned int SPICON2Value;
    unsigned int SPISTATValue;

    //PORTB
    AD1PCFGL = 0xffff;          //Analog module off
    TRISB = 0x0000;

    //PORTC
    TRISC = 0x0000;
    RPINR20 = 0x1311;           // SCK -RC3 SDI - RC1
    RPOR9 = 0x0007;             // SDO - RC2
    RPINR21 = 0x1F14;           // SS - RC4

    //SPI
    CloseSPI1();                // SPI off, for setting

    SPICON1Value = ENABLE_SCK_PIN & ENABLE_SDO_PIN & SPI_MODE16_ON &
                   SPI_SMP_ON & SPI_CKE_OFF & SLAVE_ENABLE_ON &
                   CLK_POL_ACTIVE_HIGH & MASTER_ENABLE_OFF &
                   SEC_PRESCAL_1_1 & PRI_PRESCAL_1_1;
    SPICON2Value = FRAME_ENABLE_OFF & FRAME_SYNC_OUTPUT;
    SPISTATValue = SPI_ENABLE;

    OpenSPI1 (SPICON1Value, SPICON2Value, SPISTATValue);// setting end, SPI on

    //Oscillator
   

}

#include <p24hj128gp204.h>
#include <spi.h>

int main() {
    unsigned int X = 3;
   
    Init_conf();
   
    PORTB = 0;

    PORTCbits.RC4 = 0;

    WriteSPI1(0xF1F2);
    while (SPI1STATbits.SPITBF == 1);

    PORTCbits.RC4 = 1;
    PORTB = X;

    while (1);

    return (0);

}

void Init_conf () {

    //PORTB
    AD1PCFGL = 0x1FFF;          //Analog module off
    TRISB = 0x0000;

    //PORTC
    TRISC = 0x0000;
    PORTCbits.RC4 = 1;
    RPINR20 = 0x1F11;           // SDI - RC1 (RP17)
    RPOR9 = 0x0807;             // SCK - RC3 (RP19) SDO - RC2 (RP18)

    //SPI
    SPI1CON1 = 0x063F;
    SPI1CON2 = 1;
    SPI1STAT = 0x8000;

    //Oscillator
   

}

#include "p24FJ256GB206.h"


#pragma config WPDIS = WPDIS    // Segment Write Protection Disable->Segmented code protection is disabled
#pragma config WPFP = WPFP255    // Write Protection Flash Page Segment Boundary->Highest Page (same as page 170)
#pragma config WUTSEL = LEG    // Voltage Regulator Wake-up Time Select->Default regulator start-up time is used
#pragma config WPEND = WPENDMEM    // Segment Write Protection End Page Select->Protected code segment upper boundary is at the last page of program memory; the lower boundary is the code page specified by WPFP
#pragma config WPCFG = WPCFGDIS    // Write Protect Configuration Page Select->Last page (at the top of program memory) and Flash Configuration Words are not write-protected
#pragma config SOSCSEL = SOSC    // Secondary Oscillator Power Mode Select->Secondary oscillator is in Default (high drive strength) Oscillator mode
#pragma config ALTPMP = ALPMPDIS    // Alternate PMP Pin Mapping->EPMP pins are in default location mode

// CONFIG2
#pragma config IESO = ON    // Internal External Switchover->IESO mode (Two-Speed Start-up) is enabled
#pragma config IOL1WAY = ON    // IOLOCK One-Way Set Enable->The IOLOCK bit (OSCCON<6>) can be set once, provided the unlock sequence has been completed. Once set, the Peripheral Pin Select registers cannot be written to a second time.
#pragma config FNOSC = FRCDIV    // Initial Oscillator Select->Fast RC Oscillator with Postscaler (FRCDIV)
#pragma config PLL96MHZ = ON    // 96MHz PLL Startup Select->96 MHz PLL is enabled automatically on start-up
#pragma config PLLDIV = DIV12    // 96 MHz PLL Prescaler Select->Oscillator input is divided by 12 (48 MHz input)
#pragma config POSCMOD = NONE    // Primary Oscillator Select->Primary oscillator is disabled
#pragma config OSCIOFNC = OFF    // OSCO Pin Configuration->OSCO/CLKO/RC15 functions as CLKO (FOSC/2)
#pragma config FCKSM = CSDCMD    // Clock Switching and Fail-Safe Clock Monitor->Clock switching and Fail-Safe Clock Monitor are disabled

// CONFIG1
#pragma config WDTPS = PS32768    // Watchdog Timer Postscaler->1:32,768
#pragma config ICS = PGx1    // Emulator Pin Placement Select bits->Emulator functions are shared with PGEC1/PGED1
#pragma config FWPSA = PR128    // WDT Prescaler->Prescaler ratio of 1:128
#pragma config WINDIS = OFF    // Windowed WDT->Standard Watchdog Timer enabled,(Windowed-mode is disabled)
#pragma config GWRP = OFF    // General Segment Write Protect->Writes to program memory are allowed
#pragma config GCP = OFF    // General Segment Code Protect->Code protection is disabled
#pragma config FWDTEN = ON    // Watchdog Timer->Watchdog Timer is enabled
#pragma config JTAGEN = ON    // JTAG Port Enable->JTAG port is enabled

 void main(void)
 {
    SYSTEM_Initialize();
    SPI1BUF=100;
    Nop();
    Nop();
    while(_SPI1IF == 0);
 }
 
 
 /////инициализация
 
 
 void SYSTEM_Initialize(void)
{
    OSCILLATOR_Initialize();
    PIN_MANAGER_Initialize();
    SPI1_Initialize();
}
 
 
 void OSCILLATOR_Initialize(void)
{
    // DOZEN disabled; DOZE 1:8; CPDIV 1:1; RCDIV FRC/2; ROI disabled;
    CLKDIV = 0x3100;
    // Set the secondary oscillator
   
}
 
 void PIN_MANAGER_Initialize(void)
{
    /****************************************************************************
     * Setting the GPIO of PORTB
     ***************************************************************************/
    LATB = 0x00;
    TRISB = 0xFFFF;
    /****************************************************************************
     * Setting the GPIO of PORTC
     ***************************************************************************/
    LATC = 0x00;
    TRISC = 0xF000;
    /****************************************************************************
     * Setting the GPIO of PORTD
     ***************************************************************************/
    LATD = 0x00;
    TRISD = 0x0FFF;
    /****************************************************************************
     * Setting the GPIO of PORTE
     ***************************************************************************/
    LATE = 0x00;
    TRISE = 0xFF;
    /****************************************************************************
     * Setting the GPIO of PORTF
     ***************************************************************************/
    LATF = 0x00;
    TRISF = 0x3B;
    /****************************************************************************
     * Setting the GPIO of PORTG
     ***************************************************************************/
    LATG = 0x00;
    TRISG = 0x034C;

    /****************************************************************************
     * Setting the Analog/Digital Configuration SFR
     ***************************************************************************/
    ANSB = 0xFFFF;
    ANSC = 0x6000;
    ANSD = 0xC0;
    ANSF = 0x01;
    ANSG = 0x0200;

    /****************************************************************************
     * Set the PPS
     ***************************************************************************/
    __builtin_write_OSCCONL(OSCCON & 0xbf); // unlock PPS
    RPINR20bits.SDI1R = 0x15;    // RG6->SPI1:SDI1
    RPOR13bits.RP26R = 0x07;    // RG7->SPI1:SDO1
    RPOR9bits.RP19R = 0x08;    // RG8->SPI1:SCK1OUT
    __builtin_write_OSCCONL(OSCCON | 0x40); // lock   PPS
}
 
 void SPI1_Initialize (void)
{
    // SPI Frequency = 500 000 Hz; SSEN disabled; PPRE 1:1; SMP Sample at Middle; MSTEN enabled; MODE16 disabled; DISSCK disabled; SPRE 8:1; CKE Idle to Active; DISSDO disabled; CKP Idle:Low, Active:High;
    SPI1CON1 = 0x0023;
    // SPIFSD disabled; SPIFPOL disabled; SPIBEN enabled; SPIFE disabled; FRMEN disabled;
    SPI1CON2 = 0x0001;
    // SISEL SPI_INT_SPIRBF; SPIEN enabled; SPISIDL disabled; SPIROV disabled;
    SPI1STAT = 0x800C;

}

 
 

SPI1BUF

SPI1BUF=100;

 SPI1CON2bits.SPIBEN=0;