光电跟踪与测量技术研究室知识库

In order to measure the high precision simultaneous angular velocity of MEMS gyroscope, ADXRS401, we designed a stable and available simultaneous serial data acquisition system, which is mainly built based onTMS320F2812, DSP chip of TI, and AD7898, AD converter of ADI. AD7898 could convert analog signal to digital signal and transfer the collected data to TMS320F2812 by the serial port-Multichannel Buffered Serial PORT (McBSP). After the pretreatment of TMS320F2812, the collected data would be transferred to the PC by the module of wireless transmission. At last, the PC could draw the waveform graph of the collected data and calculate the minimum and maximum value. We could easily estimate the designed system good or not. After the joint debug of software and hardware, we could make it better meet the design requirements. The design of hardware interface circuits, design of software procedures, and debug of hardware and software etc. are described in this paper.