针对FADS的在应用编程的数据解算卡设计

Design of Data Solution Card for FADS in Application Programming

针对嵌入式大气传感器系统算法软件更新困难的问题,设计了一种专用于嵌入式大气传感器系统的在应用编程的数据解算卡。该数据解算卡以DSP+FPGA结构为核心,利用特殊的中断控制逻辑保证I2C传输过程不被打断,利用Flash的扇区结构可靠地实现在应用编程。试验仿真结果表明,该数据解算卡能够简单、快捷地实现解算软件的在应用编程,满足常用嵌入式传感器系统算法软件运行要求。

Aiming at the problem of difficulty in updating the algorithm software of embedded atmospheric sensing system a data solving card is designed which can update program in application.With DSP+FPGA structure as the core the data solving card ensures the I 2C transmission process is not interrupted by use of special interrupt control logic.The sector structure of Flash is used for reliable implementation of in-application programming.The simulation results show that the data solving card can realize the in-application programming of the calculating software in a simple and quick way and meet the running requirements of common embedded sensor system algorithm software.