CC3220SF: error in SPI for 10 bit data acquisition

/*

* On My Own Technology private Limited

* date : 25-3-2019

* Author : Vinay Vishwakarma

* Last modified : 19-3-2019

* project : speed ver 6_1

* Hardware : CC3220.

* OS : TI - rtos ( Sys/BIOS).

* File : TestSpi.c

*/

 

/* For usleep() */

#include <unistd.h>

#include <stdint.h>

#include <stddef.h>

#include <stdio.h>

 

/* Driver Header file*/

#include <ti/drivers/GPIO.h>

#include <ti/drivers/SPI.h>

#include <ti/display/Display.h>

#include <ti/display/DisplayUart.h>

#include <ti/display/DisplayExt.h>

#include <ti/display/AnsiColor.h>

 

/* POSIX Header file*/

#include <pthread.h>

#include <semaphore.h>

#include <unistd.h>

 

/* Board Header file */

#include "Board.h"

 

 

 

#define THREADSTACKSIZE (1024)

 

static Display_Handle display;

static SPI_Handle masterSpi;

 

uint8_t     masterRxBuffer[3] = {0,0,0};

uint8_t     masterTxBuffer[3];

uint16_t    value, value2;

 

uint32_t time1 = 1;

 

/* semaphore declaration */

sem_t masterSem;

 

/*

* callback function for spi

*/

 

//void  myCallbackFnx(SPI_Handle masterSpi,SPI_Transaction *transaction)

//{

//    sem_post(&masterSem);

//    //printf("semaphore posted");

//}

 

void *masterThread(void *arg0)

{

    SPI_Params          spiParams;

    SPI_Transaction     transaction;

    //uint32_t            i;

    bool                transferOk;

   // int32_t             status;

 

//    status = sem_init(&masterSem,0,0);

//    if (status != 0)

//    {

//        Display_printf(display,0,0,"Error Creating masterSem");

//    }

 

 

 

    SPI_Params_init(&spiParams);

    spiParams.frameFormat = SPI_POL0_PHA0;

    spiParams.transferMode = SPI_MODE_BLOCKING;

    spiParams.bitRate = 10000;

    //spiParams.transferCallbackFxn = myCallbackFnx;

    spiParams.dataSize = 8;

   // transaction.arg = masterSem;

 

    masterSpi = SPI_open(Board_SPI0, &spiParams);

    if (masterSpi == NULL)

    {

        Display_printf(display,0,0,"Error initializing master SPI");

        while(1);

    }

    else

    {

        Display_printf(display,0,0,"Master SPI initialized ");

    }

    while (1)

    {

        masterTxBuffer[0] = 0x01;

        masterTxBuffer[1] = 0x80;

        masterTxBuffer[2] = 0x00;

        value = 0x00;

        value2 = 0x00;

        transaction.count = 3;

        transaction.txBuf = masterTxBuffer;

        transaction.rxBuf = masterRxBuffer;

        transferOk = SPI_transfer(masterSpi,&transaction);

        if(transferOk)

        {

           // Display_printf(display,0,0,"Transfer Successful");

            value2 = ((masterRxBuffer[1]<<8)&0x0300);

            value = (value2|masterRxBuffer[2]);

 

           // Display_printf(display,0,0,"The converted value is %d ",value);

            Display_printf(display,0,0," the buffer value are  value is %x: %x :%x", masterRxBuffer[0],masterRxBuffer[1],masterRxBuffer[2]);

           // sem_wait(&masterSem);

        }

        else

        {

            Display_printf(display,0,0,"Transfer unsuccessful");

        }

     sleep(1);

    }

 

}

/*

*  ======== mainThread ========

*/

void *mainThread(void *arg0)

{

    /* 1 second delay */

    uint32_t time1 = 1;

    pthread_t           thread0;

        pthread_attr_t      attrs;

        struct sched_param  priParam;

        int                 retc;

        int                 detachedState;

 

        pthread_attr_init(&attrs);

 

        detachedState = PTHREAD_CREATE_DETACHED;

        priParam.sched_priority = 1;

 

 

 

        retc = pthread_attr_setschedparam(&attrs,&priParam);

        retc |= pthread_attr_setdetachstate(&attrs,detachedState);

        retc |= pthread_attr_setstacksize(&attrs, THREADSTACKSIZE);

 

        if (retc != 0)

            {

                printf("imuThread Hard fault : entering while(1) forever\n");

                while(1);

            }

 

        retc = pthread_create(&thread0, &attrs,masterThread , NULL);

        if (retc != 0)

        {

            printf("imuThread Hard fault : entering while(1) forever\n");

            while(1);

        }

        else

        {

            printf("Task one created successfully ");

        }

    /* Call driver init functions */

    GPIO_init();

    SPI_init();

    Display_init();

 

    display = Display_open(Display_Type_UART, NULL);

        if (display == NULL) {

            /* Failed to open display driver */

            printf("display initialization failed ");

            while (1);

        }

 

 

    /* Configure the LED pin */

    GPIO_setConfig(Board_GPIO_LED0, GPIO_CFG_OUT_STD | GPIO_CFG_OUT_LOW);

 

    /* Turn on user LED */

    GPIO_write(Board_GPIO_LED0, Board_GPIO_LED_ON);

 

    while (1) {

        sleep(time1);

        GPIO_toggle(Board_GPIO_LED0);

        printf("i am printing on console\n");

    }

}

 

above is my code for spi transaction for mcp3008 ADC, by using this code i am unable to receive the data from the ADC