Extremely  Sorry ... next time definitely I will try 

If I press the user button for 2 sec.  Then red led will tern on .... Again I press button then red led will tern off.....If I continue press the button led will be tern off........ I did some changes but my problem is not solved ... 

/** * @brief GPIO Initialization Function * @param None * @retval None */ static void MX_GPIO_Init(void) { GPIO_InitTypeDef GPIO_InitStruct = {0}; /* USER CODE BEGIN MX_GPIO_Init_1 */ /* USER CODE END MX_GPIO_Init_1 */ /* GPIO Ports Cloc...

Timer