A5130是一款图传模块，程序实现了使用stm32作为主控mcu，通过stm32的硬件四线spi总线控制A5130的寄存器实现两个模块之间的正常通信。(A5130 is a graphics module. The program implements the use of STM32 as the main control MCU. It controls the normal communication between two modules through STM32's hardware