helloworld.c

#include <stdio.h>
#include "platform.h"
#include "xil_printf.h"

#include "xil_io.h"
#include "xparameters.h"


int main()
{
    init_platform();
    char buff[11];

    static float arr[9] = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0};

        union{
        unsigned int a;
        float b;
        }itof;

        for(int i=0;i<9;i++)
        {
        itof.b=arr[i];
        Xil_Out32 (XPAR_BRAM_0_BASEADDR+(4*i),itof.a); //Sending the arr[] values to BRAM
        }

        Xil_Out32 ((XPAR_SUM_ARR_0_S_AXI_AXILITES_BASEADDR+0x18), XPAR_BRAM_0_BASEADDR); //Sending image pointer address using offset

        Xil_Out32 ((XPAR_SUM_ARR_0_S_AXI_AXILITES_BASEADDR+0x00), 1);	//Start the IP

        while (0 == (2 & Xil_In32((XPAR_SUM_ARR_0_S_AXI_AXILITES_BASEADDR+0x00))));	//To check IP is done or not

        itof.a=Xil_In32 ((XPAR_SUM_ARR_0_S_AXI_AXILITES_BASEADDR + 0x10));	//Receiving returned value from HLS IP (converting because processor handles uint data) using address offset for returned argument

        sprintf(buff,"%f ",itof.b);
        xil_printf("%s\n\r",buff);

    cleanup_platform();
    return 0;
}