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陕西理工学院物理与电信工程学院, 陕西汉中 723000
[ "郑争兵(1980-),男,湖北黄冈人,硕士,讲师,主要研究领域为嵌入式系统设计及应用,E-mail:snutdevotion@163.com" ]
收稿日期:2013-07-15,
修回日期:2013-09-09,
纸质出版日期:2014-02-15
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郑争兵. 基于FPGA的VGA波形显示系统设计与实现[J]. 液晶与显示, 2014,29(1): 88-93
ZHENG Zheng-bing. Design and implementation of VGA waveforms display system based on FPGA[J]. , 2014,29(1): 88-93
为了适应嵌入式系统显示终端的图形显示应用需要,提出了一种通用的VGA波形显示系统。依据VGA的显示原理,该系统FPGA内部集成A/D控制模块、双口RAM模块和VGA显示控制模块,利用双口RAM完成了采集数据的缓存,通过VGA显示控制模块读取缓存数据,产生标准的VGA控制时序信号,实现数据的图形显示。测试结果表明:基于FPGA的波形显示系统能够产生正确的VGA接口时序,完成波形数据的稳定显示。该系统具有自主知识产权核,方便移植,为基于FPGA的嵌入式可视化终端提供一种较好的解决方案。
In order to meet the graphics display application needs of the display terminal of the embedded system
a universal VGA waveforms display system was proposed. According to the VGA display principle
the system internal FPGA integrated A/D control module
dual-port RAM module and VGA display control module. The dual-port RAM was used to complete the acquisition data cache
the VGA display control module read the cached data
produced the standard VGA control timing signal
and then realized the graphical display of data. The test results show that the waveforms display system based on FPGA can generate the correct timing of the VGA port and implement a stable display of the waveforms data. The system with independent intellectual property core is easy to transplant and provides a better solution for the embedded visualization terminals based on FPGA.
郑争兵. 一种基于FPGA的UART电路设计[J]. 国外电子测量技术, 2010, 29(7):85-87. Zheng Z B. Design of UART circuit based on FPGA[J].Foreign Electronic Measurement Technology, 2010, 29(7): 85-87.(in Chinese)[2] 郑争兵. 基于FPGA的FSK调制解调系统设计[J]. 陕西理工学院学报:自然科学版, 2012, 28(5):20-21. Zheng Z B. Design of FSK modulation and demodulation system based on FPGA[J].Journal of Shaanxi University of Technology:Natural Science Edition, 2012, 28(5): 20-21.(in Chinese)[3] 郑争兵. 基于DSP Builder的FIR数字滤波器设计与验证[J]. 陕西理工学院学报:自然科学版, 2 013, 29(2):34-38. Zheng Z B. Design and simulation of FIR digital filter based on DSP builder[J].Journal of Shaanxi University of Technology:Natural Science Edition, 2013, 29(2): 34-38. (in Chinese)[4] 刘敏, 戴曙光, 穆平安. 采用SOPC IP核技术实现液晶屏显示[J]. 液晶与显示, 2011, 26(5):665-667. Liu M, Dai S G, Mu P A. Controller for TFT LCD driver based on SOPC[J].Chinese Journal of Liquid Crystals and Displays, 2011, 26(5): 665-667. (in Chinese)[5] 郑争兵. 基于FPGA的图形点阵液晶显示系统设计与实现[J]. 液晶与显示, 2013, 28(3):403-407. Zheng Z B. Design and implementation of graphics dot matrix LCD based on FPGA[J].Chinese Journal of Liquid Crystals and Displays, 2013, 28(3): 403-407. (in Chinese)[6] 郑争兵. 基于FPGA的高速采样缓存系统的设计与实现[J]. 计算机应用, 2012, 32(11):3259-3261. Zheng Z B. Design and implementation of a high-speed sampling buffer system based on FPGA[J].Journal of Computer Applications, 2012, 32(11): 3259-3261.(in Chinese)[7] 熊文彬, 蒋泉, 曲建军, 等. 基于FPGA实现的视频显示系统[J]. 液晶与显示, 2011, 26(1):92-93. Xiong W B, Jiang Q, Qu J J, et al. Video display system based on FGPA[J].Chinese Journal of Liquid Crystals and Displays, 2011, 26(1): 92-93.(in Chinese)[8] 袁堂青, 张玉璘. 基于FPGA的VGA汉字显示系统设计与实现[J]. 济南大学学报:自然科学版, 2011, 25(1):37-38. Yuan S T, Zhang Y L. Design and implementation of VGA chinese character display based on FPGA[J].Journal of University of Jinan:Science and Technology, 2011, 25(1): 37-38.(in Chinese)[9] 陈彬, 伍乾永, 刘永春. 基于FPGA的VGA控制模块设计[J]. 微电子学, 2008, 38(2):306-307. Chen B, Wu Q Y, Liu Y Q. Design of VGA control module based on FPGA[J].Microelectronics, 2011, 26(1): 92-93.(in Chinese)[10] 王鸣浩, 吴小霞. 基于FPGA的通用液晶显示控制器的设计和实现[J]. 液晶与显示, 2012, 27(1):87-88. Wang M H, Wu X X. Design and realization of general LCD controller based on FGPA[J].Chinese Journal of Liquid Crystals and Displays, 2012, 27(1): 87-88.(in Chinese)
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