STM32的SPI通信程序，两片STM32之间通信成功，主收从发-STM32 of SPI communication program, the successful communication between two pieces of STM32, the main income from Fat

MCU：STM32F103VF 功能描述： 1, 通过SPI控制AD73360,实现3路模拟信号同步采样 2，实现移植的FFT算法STM32 3，实现对STM32 FreeModbus移植协议-MCU: STM32F103VF Function descr iptor: 1, 3-channel analog data acquisition via SPI control AD73360 2, to achieve transplantation on FFT al