Programme main

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

#include <stdio.h>
#ifdef XPAR_MICROBLAZE_ID
#  include "microblaze_sleep.h"
#endif

#include "xil_cache.h"
#include "platform.h"
#include "xgpio.h"
#include "xllfifo.h"
#include "xuartlite.h"
#include "fft.h"
#include "xbasic_types.h"
#include "stim.h"

void Acquisition();

XGpio   axi_gpio;
XLlFifo axi_llfifo;
int stim_buf[MAX_FFT_LENGTH];

int buf[MAX_FFT_LENGTH];
// FFT output data
//
int buf1[MAX_FFT_LENGTH];
// FFT output data


int main(void) {
    // Setup UART and enable caching
    init_platform();
    Xil_ICacheEnable();

    // ***** Local variables *****
    int status = 0;
    fft_config_t fft_params;
    int fft_buf[MAX_FFT_LENGTH];

    // FFT output data
    char c;

    // ***** Initialize drivers *****

    init_drivers();

    // ***** Initialize default FFT parameters *****

    fft_params.fft_len   = MAX_FFT_LENGTH; //1024;
    fft_params.fwd_inv   = FFT_FWD;
    fft_params.scale_sch = 0x2AB;

    run_fft(&fft_params, stim_buf, fft_buf);

    while (1) {
        xil_printf("r: Perform FFT using current parameters\n\r");
        xil_printf("p: Print FFT results\n\r");
        xil_printf("s: Print current stimulus to be used for the FFT operation\n\r");
        c = XUartLite_RecvByte(XPAR_UARTLITE_0_BASEADDR);
        xil_printf(".\n\r");

        if (c == 'r') {
            // Run FFT
            run_fft(&fft_params, stim_buf, fft_buf);
            xil_printf("FFT done\n\r");
        } else if (c == 'p') {
            print_results(&fft_params, fft_buf);
        } else if (c == 's') {
            print_results(&fft_params, stim_buf);
        } else if (c == 'm') {
            print_results(&fft_params, buf);
        } else {
            xil_printf("Invalid character. Please try again.\n\r");
        }
    }

    cleanup_platform();
    return 0;
}