1、 I 基于 FPGA的蓝牙数据采集系统 摘 要 基于 FPGA 的蓝牙数据采集系统由下位机和上位机两部分组成。其中下位机 主要由前端传感器、信号调理电路、ADC 模数转换电路、FPGA 处理模块以及蓝 牙模块组成,主要完成前端数据的采集、转换、处理等功能,并将处理后的数据 传输给上位机;上位机主要由 USB 蓝牙适配器和 PC 机组成,完成数据的显示、 监控、存储等功能,并向下位机发送命令。该系统主要实现现场数据高精度、高 速度实时采集,利用蓝牙的无线传输特性实现数据的无线传输。本系统中 FPGA 控制处理是系统的核心部分,通过动作指令控制前端调理模块进行数据采集,同 时将采集到的数据经 FP
2、GA 处理,由蓝牙模块将数据传输给上位机,由上位机完 成后续的相应处理工作。 关键词:FPGA,蓝牙,数据采集,温度 II BLUETOOTH DATA ACQUISITION SYSTEM BASED ON FPGA ABSTRACT Bluetooth data acquisition system based on FPGA is consists of two parts that are lower place machine and PC. Among them lower place machine is mainly made up of several parts ,for
3、example ,front-end sensor, signal regulate circuit, ADC frequency field circuit, FPGA processing modules and the Bluetooth module. The mainly function are completing front-end data collection , conversion and processing and transfer the data after processed to PC.PC is mainly made up of USB Bluetoot
4、h adapter and PC completing data display ,monitoring ,storage and other functions. PC send commands to lower place machine. This system mainly realize high precision, high velocity field data real-time data acquisition, USES Bluetooth wireless transmission characteristics of the wireless transmission of data realization. FPGA is the center of this system and through sending commands to control front-end regulate module collecting data. At the same time the collected data by FPGA processing will