I use STM32CubeMX6.3.0 to config DAC ,DMA ,TIM2,and gererate projec for MDK,the initial order is below（auto create by STM32CubeMX6.3.0）: MX_GPIO_Init();MX_DAC_Init();MX_DMA_Init(); MX_TIM2_Init();​​then I create a buffer for sin wave,data,and start D...