Design And Implemnetation Of An Embedded Data Acquisition System

Through the analysis of the application in instrument trouble diagnosing, industry equipment controlling area and considering technological state of development of test of allowing of no optimist at home, I have put forward the mentality of designing of " DSP + embedded CPU " on the basis of existing products. Through adopting the advanced electron tube instrument to design, combining digital signal treatment technology , embedded CPU designing technique and real-time operating system to count technology, gather the analytics system in a portable datum which is extensively suitable for the equipment at the basic level of factory of module construction. By dividing real-time data collecting system into based on chip of Samsung key board and based on FPGA high-speed data acquisition board , it realize to go on to come. On the design in the software and development scheme, by passing the comparison of a lot of real-time embedded operating systems, we adopt Windows CE.NET which is height module, easy to dispose and transplant to other platform. Pass the study on Windows CE.NET BSP and through writing to code of hardware, we have realized Windows CE.NET the transplantation of the key board successfully. Pass the study on interrupting mechanism and driving the model of Windows CE.NET ,write USB equipment driver under Windows CE.NET and expand the function of the system. In order to improve systematic real-time character, gather in the data , analysis , graphical display have adopted the model of multithread to finish every task separately partly.This text applies Windows CE.NET to observe and control field for the first time. Meanwhile I have developed a set of intact and portable real-time data collecting systems which have certain emergent novelty and very high practical value.