stm32f407一个简单的项目模板展示了如何去设置emWin图像库。LCD屏幕依次显示红、绿、蓝三种颜色后在屏幕的中间动态的显示一个计算器-A simple project template shows how to to set emWin image library. LCD screen in order to display the red, green, and blue in the middle of the screen dynamic display of a calcula