一个SPI通讯方面的源代码，是单片机和指纹模块方面的通讯。有这方面应用的人可以参考-an SPI communications source code, SCM and fingerprint module communications. This application can refer to the people

自编FPM10A指纹模块驱动，关于时序感觉大家还是可以参考的。-Self FPM10A fingerprint module drive the timing feel we can still reference.

门禁指纹识别与控制中一部分模块，基于STM32 Cortex M3单片机-Part of the access control fingerprint identification and control module, based on the STM32 Cortex M3 microcontroller