此程序完成stm32通过spi与pc机进行简单通讯，一个简单的小例程，通俗易懂。-This process is complete STM32 simple communication through SPI and PC, a simple small routines, easy to understand.

是计算伺服阀可靠性的公式文件，代码简单，原理清晰，很适合初学者学习。希望对大家有所帮助哦。-Servo valve reliability is calculated formula file, the code is simple, clear principle, it is suitable for beginners to learn. I hope to help oh.