Print bladeRF library and device versions

bladeRF-versions

#include <stdlib.h>
#include <stdio.h>
#include <libbladeRF.h>

int main(int argc, char *argv[])
{
    int ret = 0;
    int status;
    struct bladerf *dev;
    const char *dev_specifier = NULL;
    struct bladerf_version lib_version, fpga_version, fw_version;

    if (argc >= 2) {
        dev_specifier = argv[1];
    }

    status = bladerf_open(&dev, dev_specifier);
    if (status != 0) {
        fprintf(stderr, "Failed to open device: %s\n",
                bladerf_strerror(status));

        return EXIT_FAILURE;
    }

    bladerf_version(&lib_version);
    printf("  libbladeRF version: %s\n", lib_version.describe);

    status = bladerf_fw_version(dev, &fw_version);
    if (status == 0) {
        printf("  Firmware version:   %s\n", fw_version.describe);
    } else {
        fprintf(stderr, "Failed to get firmware version: %s\n",
                bladerf_strerror(status));

        ret = EXIT_FAILURE;
    }

    status = bladerf_is_fpga_configured(dev);
    if (status == 1) {
        status = bladerf_fpga_version(dev, &fpga_version);
        if (status == 0) {
            printf("  FPGA version:       %s\n", fpga_version.describe);
        } else {
            fprintf(stderr, "Failed to get FPGA version: %s\n",
                    bladerf_strerror(status));
        }
    } else if (status == 0) {
        printf("FPGA not loaded.\n");
    } else {
        fprintf(stderr, "Failed to determine if FPGA is configured: %s\n",
                bladerf_strerror(status));

        ret = EXIT_FAILURE;
    }

    bladerf_close(dev);
    return ret;
}