Tutorial: Create a Blinky ARM test project(创建一个闪灯的arm测试项目)
Background ref : Tutorial: Create a Blinky ARM test project If you are new to ARM development, it is recommended to follow this short tutorial and learn how to build a simple test executable program that will blink a LED. Note: this tutorial was created with the GNU Tools for ARM Embedded Processors toolchain in mind. Only when using this toolchain the build is guaranteed to succeed. Using other toolchains might be possible, but small changes might be necessary in the source code and in the linker options. Note2: this tutorial requires a recent version of the STM32F4 template, not older than