info.c

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

#include <hidapi/hidapi.h>
#include "tcp.h"
#include "ev3_io.h"

#include "defs.h"
#include "packets.h"
#include "error.h"
#include "funcs.h"

#ifdef __linux__
#include <sys/utsname.h>
#endif

static const u8 tone[] = "\x0\x0F\x00\0\0\x80\x00\x00\x94\x01\x81\x02\x82\xE8\x03\x82\xE8\x03";

#define MAX_STR 256

int info(const char*arg)
{
    wchar_t wstr[MAX_STR];
    if (arg)
    {
        if((void*)ev3_close == (void*)hid_close)
        {
            if (strcmp(arg, "serial") == 0)
            {
                hid_get_serial_number_string(handle, wstr, MAX_STR);
                fputws(wstr, stdout);
                //fputwc(L'\n', stdout);
                return ERR_UNK;
            }
        }else if(ev3_close == tcp_close)
        {
            if (strcmp(arg, "ip") == 0)
            {
                fputs(((struct tcp_handle*)handle)->ip, stdout);
                return ERR_UNK;
            }
        }

        return ERR_ARG;
    }

    int res;
    //TODO: 
    res = ev3_write(handle, tone, sizeof tone - 1);
    if (res < 0)
    {
        return ERR_COMM;
    }
    errmsg = "\nAttempting beep..";
    if ((void*)ev3_close == (void*)hid_close)
    {
#ifdef __linux__
    struct utsname utsname;
    uname(&utsname);
    int isOld = strcmp(utsname.release, "2.6.24") < 0;
    printf("SUBSYSTEM==\"%s\", ATTRS{idVendor}==\"0694\", ATTRS{idProduct}==\"0005\a, MODE=\"0666\"\n", isOld ? "usb_device" : "usb");
#endif
    res = hid_get_manufacturer_string(handle, wstr, MAX_STR);
    printf("Manufacturer String: %ls\n", wstr);
    res = hid_get_product_string(handle, wstr, MAX_STR);
    printf("Product String: %ls\n", wstr);
    res = hid_get_serial_number_string(handle, wstr, MAX_STR);
    printf("Serial Number String: %ls\n", wstr);
    }else if (ev3_close == tcp_close)
    {
        struct tcp_handle* h = (struct tcp_handle*)handle;
        printf("Serial: %s\n"
               "Server: %s:%u\n"
               "Name: %s\n"
               "Protocol: %s\n",
               h->serial,
               h->ip, h->tcp_port,
               h->name,
               h->protocol
              );
    }

    return ERR_UNK;
}