Real Time Linux System Design
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In this paper, we implemented the object scanning with nxtOSEK which is an open sourceplatform. nxtOSEK consists of device driver of leJOS NXJ C/Assembly source code,TOPPERS/ATK(Automotive real time Kernel) and TOPPERS/JSP Real-Time OperatingSystem source code that includes ARM7 specific porting part, and glue code make themwork together. nxtOSEK can provide ANSI C by using GCC tool chain and C API and applyfor real-time multi tasking features. We experimented the 3D scanning with ultra sonic andlaser sensor which are made directly by laser module diode and experimented themeasurement of scanning the object by knowing x, y, and z coordinates for every points thatit scans. In this paper, the laser module is the dimension of 6 × 10[mm] requiring5volts/5[mm], and used the laser light of wavelength in the 650[nm] range. For detecting theobject, we used the beacon detection algorithm and as the laser light swept the objects, thephotodiode monitored the ambient light at interval of 10[ms] which is called a real time. Wecommunicated the 3D scanning platform via bluetooth protocol with host platform and theresults are displayed via DPlot graphic tool. And therefore we enhanced the functionality ofthe 3D scanner for identifying the image scanning with laser sensor modules compared toultra sonic sensor.
Abstract
In this paper, we implemented the object scanning with nxtOSEK which is an open sourceplatform. nxtOSEK consists of device driver of leJOS NXJ C/Assembly source code,TOPPERS/ATK(Automotive real time Kernel) and TOPPERS/JSP Real-Time OperatingSystem source code that includes ARM7 specific porting part, and glue code make themwork together. nxtOSEK can provide ANSI C by using GCC tool chain and C API and applyfor real-time multi tasking features. We experimented the 3D scanning with ultra sonic andlaser sensor which are made directly by laser module diode and experimented themeasurement of scanning the object by knowing x, y, and z coordinates for every points thatit scans. In this paper, the laser module is the dimension of 6 × 10[mm] requiring5volts/5[mm], and used the laser light of wavelength in the 650[nm] range. For detecting theobject, we used the beacon detection algorithm and as the laser light swept the objects, thephotodiode monitored the ambient light at interval of 10[ms] which is called a real time. Wecommunicated the 3D scanning platform via bluetooth protocol with host platform and theresults are displayed via DPlot graphic tool. And therefore we enhanced the functionality ofthe 3D scanner for identifying the image scanning with laser sensor modules compared toultra sonic sensor.
참고문헌 (21)
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