typedef struct MOTOR_DATA_S
{
    //run time
    uint32_t state;
    uint32_t dir;
    uint32_t speed;
    int32_t position;
    uint32_t current;
    uint32_t ovc;
    
    //hardware interface
    uint32_t lim_sw_fwd;
    uint32_t lim_sw_rev;
    uint32_t pwm_tim;
    uint32_t pwm_num;
    uint32_t fwd_pwm_chan;
    uint32_t rev_pwm_chan;
    uint32_t adc_chan;
    uint32_t enc_num; 
    uint32_t enc_type;
       
    //max limits
    uint32_t fwd_pwm_run;
    uint32_t rev_pwm_run;
    uint32_t fwd_max_pos;
    uint32_t rev_max_pos;
    uint32_t max_current;
    uint32_t max_ovc; 
     
    SPEED_PROFILE fwd_profile[MAX_PROFILES];
    SPEED_PROFILE rev_profile[MAX_PROFILES];
    TRAPEZ_PROFILE start_profile;
    TRAPEZ_PROFILE stop_profile;
    
} MOTOR_DATA;

MOTOR_DATA mot_data;

uint32_t COM_Ovc(uint32_t argc, char** args)
{
    uint32_t arguments[argc];
    uint32_t addr_offset;
    
    if (GetIntArguments(argc, args, arguments) == MSG_OK)
    {
        if (ValidateArgument(arguments[0], 0, 0xFFFF))
        {
            if (argc >0)  // argument  - write
            {
                mot_data.max_ovc = arguments[0];
                EE_WriteVariable(EPR_ADR_OVC, arguments[0]);
            }
            else  //no argument - read
                Parser_SendInt(COM_USART, mot_data.max_ovc, 1, 0);
        }
        else
            return MSG_INV_ARG;
    }
    else
        return MSG_MIS_ARG;
    
    return MSG_OK;
}

uint32_t *ptr;
ptr = &mot_data.max_ovc;
//write
*ptr = arguments[0];
//read
Parser_SendInt(COM_USART, *ptr, 1, 0);

typedef struct COMMAND_S
{
    char *name;  //command name
    uint32_t command_type;
    uint32_t minargs;
    uint32_t maxargs;
    uint32_t (*fp)(unsigned int, char **); //fuction poiner

    //это я добавляю
    uint32_t *vp; //variable pointer
}COMMAND;

COMMAND commands[] =
{
    [0] = { "stop",  0, 1, MAX_ARGS, .fp = OneGlobFunc, .vp = NULL },
    [1] = { "start", 0, 1, MAX_ARGS, .fp = OneGlobFunc, .vp = NULL },
    [2] = { "fwd",   0, 1, MAX_ARGS, .fp = OneGlobFunc, .vp = NULL},
    [3] = { "rev",   0, 1, MAX_ARGS, .fp = OneGlobFunc, .vp = NULL},
    [4] = { "mot",   0, 1, MAX_ARGS, .fp = OneGlobFunc, .vp = NULL },
    [5] = { "pfb",   0, 1, MAX_ARGS, .fp = OneGlobFunc, .vp = &mot_data.pfb},
    [6] = { "ifb",   0, 1, MAX_ARGS, .fp = OneGlobFunc, .vp = &mot_data.ifb},
    [7] = { "ftop",  0, 1, MAX_ARGS, .fp = OneGlobFunc  .vp = &mot_data.fwd_max_pos },
    [8] = { "rtop",  0, 1, MAX_ARGS, .fp = OneGlobFunc  .vp = &mot_data.rev_max_pos}
};

.vp = &mot_data[0].pfb

.vp = &mot_data[0].pfb

uint8_t *ptr = (uint8_t *)mot_data+(sizeof(mot_data)*array_index) + vp