基于STM32F4xx系列芯片，MS5611气压传感器使用SPI接口的程序源码，实现了对温度、气压、海拔的采集计算。关键字：MS5611 SPI STM32F4-pressure sensor SPI interface program source code, the realization of temperature, pressure, collecting calculate altitude.

stm32f4和FPGA通信，总线通信，串口通信，SPI和UART等FPGA代码和ARM代码及实验指导书(Stm32f4 and FPGA communications,such as bus communications, serial communication, SPI and UART. and FPGA code , ARM code and experimental instruction)