void EXTI_User_Button_Config(void)
{
    EXTI_InitTypeDef   EXTI_InitStructure;
    GPIO_InitTypeDef   GPIO_InitStructure;
    NVIC_InitTypeDef   NVIC_InitStructure;
    /* Enable GPIOA clock */
    RCC_AHBPeriphClockCmd(BUTTON_GPIO_CLK, ENABLE);

    /* Configure Button`s pins as input floating */
    GPIO_InitStructure.GPIO_Pin = BUTTON_LEFT | BUTTON_OK | BUTTON_RIGHT;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
    GPIO_Init(BUTTON_GPIO_PORT, &GPIO_InitStructure);

    /* Enable SYSCFG clock */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
    /* Connect EXTI Line to pin */
    SYSCFG_EXTILineConfig(BUTTON_EXTI_PORT_SOURCE, BUTTON_LEFT_EXTI_PIN_SOURCE);
    SYSCFG_EXTILineConfig(BUTTON_EXTI_PORT_SOURCE, BUTTON_OK_EXTI_PIN_SOURCE);
    SYSCFG_EXTILineConfig(BUTTON_EXTI_PORT_SOURCE, BUTTON_RIGHT_EXTI_PIN_SOURCE);

    /* Configure EXTI0 line */
    EXTI_InitStructure.EXTI_Line = BUTTON_LEFT_EXTI_LINE | BUTTON_OK_EXTI_LINE | BUTTON_RIGHT_EXTI_LINE;
    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);

    /* Enable and set EXTI0 Interrupt */
    NVIC_InitStructure.NVIC_IRQChannel = BUTTON_EXTI_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPriority = configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY + 1;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);
}

void EXTI4_15_IRQHandler(void)
{
    BaseType_t xTaskWoken;
    xTaskWoken = pdFALSE;
    //OK BUTTON
    if(EXTI_GetITStatus(BUTTON_OK_EXTI_LINE) != RESET)
    {
        //Button Pressed/Released
        //GPIO_ToggleBits(ERR_LED_PORTx,ERR_LED_PIN);
        if (GPIO_ReadInputDataBit(BUTTON_GPIO_PORT, BUTTON_OK) == 1){ //Released
            xTaskWoken = SendCommandFromISR(CMD_LUX, CurrentCmd); //lux and CurrentCmd
        }
        /* Clear the EXTI line pending bit */
        EXTI_ClearITPendingBit(BUTTON_OK_EXTI_LINE);
    }

    //LEFT BUTTON
    if(EXTI_GetITStatus(BUTTON_LEFT_EXTI_LINE) != RESET)
    {
        if (GPIO_ReadInputDataBit(BUTTON_GPIO_PORT, BUTTON_LEFT) == 1){ //Released
            if (CurrentCmd == 0)
                CurrentCmd = BUTTON_CMD1_LEN - 1;
            else
                --CurrentCmd;
            xTaskWoken = SendCommandFromISR(CMD_LUX, CurrentCmd); //lux and CurrentCmd
        }
        /* Clear the EXTI line pending bit */
        EXTI_ClearITPendingBit(BUTTON_LEFT_EXTI_LINE);
    }

    //RIGHT BUTTON
    if(EXTI_GetITStatus(BUTTON_RIGHT_EXTI_LINE) != RESET)
    {
//        if (GPIO_ReadInputDataBit(BUTTON_GPIO_PORT, BUTTON_RIGHT) == 1){ //Released
//            if (CurrentCmd >= BUTTON_CMD1_LEN - 1)
//                CurrentCmd = 0;
//            else
//                ++CurrentCmd;
//            ProcessButtonCmd();
//        }
        if (GPIO_ReadInputDataBit(BUTTON_GPIO_PORT, BUTTON_RIGHT) == 0){ // Released
            xTimerStart( xButtonPowerOffTimer, BUTTON_TIMERS_WAIT_START );  //Start Long press timer
            ButtonPowerOffProcessed = 0;
        } else {
            if (!ButtonPowerOffProcessed){
                xTimerStop( xButtonPowerOffTimer, BUTTON_TIMERS_WAIT_START );  //Stop Long press timer
                if (CurrentCmd >= BUTTON_CMD1_LEN - 1)
                    CurrentCmd = 0;
                else
                    ++CurrentCmd;
                xTaskWoken = SendCommandFromISR(CMD_LUX, CurrentCmd); //lux and CurrentCmd
                ButtonPowerOffProcessed = 1;
            }
        }
        /* Clear the EXTI line pending bit */
        EXTI_ClearITPendingBit(BUTTON_RIGHT_EXTI_LINE);
    }
    if( xTaskWoken != pdFALSE ) taskYIELD ();
}

void DoLuxCMD( TimerHandle_t xTimer )
{
    (void) xTimer;
    int i;
    PrintfToOutQueue("LUX CMD\n\r");
    //SendCommandFromISR(CMD_LUX, 6);
    for (i = 0; i < 5; ++i){
        EXTI_GenerateSWInterrupt(EXTI_Line13); //ok
        vTaskDelay(50);
    };
}

void vTimerLuxTest(void){
    xLuxTimer = xTimerCreate("TmrLuxCmd",            /* The task name, only for help debugging. */
                            2000,                /* The timer period, which is a multiple command Delay. */
                            pdTRUE,                        /* This is auto restart timer */
                            NULL,                           /* Parameters is NULL */
                            DoLuxCMD                 /* Timer uses the callback. */
                          );
    xTimerStart( xLuxTimer, 0);  //Start/Restart Packed Exti
}