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Ç×°ø/±¹¹æ »ê¾÷ÀÇ ¼±µµ ÇÁ·Î±×·¡¸Óºí ·ÎÁ÷ °ø±Þ¾÷üÀÎ ÀÚÀϸµ½º¿Í ÀÓº£µðµå ¼ÒÇÁÆ®¿þ¾î ºÐ¾ßÀÇ ¼±µµ±â¾÷ ¸®´ª½º¿÷½º°¡ ¾÷°è ÃÖÃÊ·Î ½Ã°ø ºÐÇÒ FAA ÀÎÁõ RSC(Reusable Software Component)¸¦ ½Ã¿¬Çß´Ù.
ÀÚÀϸµ½º´Â ÃÖ±Ù ±¹¹æ ¹× Ç×°ø¿ìÁÖ ÀüÀÚ°øÇÐ Æ÷·³(MAEF, Military & Aerospace Electronics Forum) ¹× Ç×°øÀüÀÚ°øÇÐ USA(Avionics USA) ÄÜÆÛ·±½º¿¡¼ RTCA/DO-178BÀÇ ¸ñÀûÀ» ¸ðµÎ ÃæÁ·ÇÏ´Â ¾÷°è ÃÖÃÊ À¯ÀÏÀÇ ½Ã°ø ºÐÇÒ FAA ÀÎÁõ RSC(Reusable Software Component)¸¦ ½Ã¿¬Çß´Ù°í 26ÀÏ ¹àÇû´Ù.
À̹ø ½Ã¿¬¿¡´Â ÀÚÀϸµ½º? ¹öÅؽº?-5 FXT FPGA »ó¿¡¼ ½ÇÇàµÇ´Â LynxOS-178 DO-178B ÀÎÁõRTOS°¡ Æ÷ÇԵŠÀÖÀ¸¸ç, ÀÌ´Â Ç×°øÀüÀÚ°øÇÐ °³¹ßÀÚ°¡ ÀÎÁõµÈ ¾ÖÇø®ÄÉÀÌ¼Ç ¼ÒÇÁÆ®¿þ¾î¸¦ ±×´ë·Î »ç¿ëÇÏ¸é¼ ÇÁ·Î±×·¡¸Óºí ±â¼úÀÇ À¯¿¬¼º, ¼º´É, ½Å·Ú¼º µîÀ» Á¦°øÇÑ´Ù.
LynxOS-178°ú ¹öÅؽº-5 FXT µð¹ÙÀ̽ºÀÇ °áÇÕÀ» ÅëÇØ, ÃÖ´ë µÎ °³ÀÇ ¾÷°è Ç¥ÁØ PowerPC? 40 ÇÁ·Î¼¼¼ ºí·ÏÀ» Á¦°øÇÏ´Â ¾÷°è ÃÖÃÊÀÇ FPGA ±â¹Ý ¼Ö·ç¼ÇÀ» °ø±ÞÇÒ ¼ö ÀÖ°Ô µÆ´Ù.
ÅëÇÕ 32KB ¸í·É ij½Ã ¹× 32KB µ¥ÀÌÅÍ Ä³½Ã¸¦ °®Ãá °¢°¢ÀÇ ÇÁ·Î¼¼¼´Â 550MHz¿¡¼ ÃÖ´ë 1,100DMIPS¸¦ Á¦°øÇÑ´Ù. »õ·Î¿î ÅëÇÕ 5x2 Å©·Î½º¹Ù ÇÁ·Î¼¼¼ ÀÎÅÍÄ¿³ØÆ® ¾ÆÅ°ÅØó°¡ PowerPC 440 ºí·Ï°ú °áÇյŠÀÖ¾î I/O ¹× ¸Þ¸ð¸®¿¡ µ¿½Ã ¾×¼¼½º¸¦ Á¦°øÇÑ´Ù.
ÀÌ ÀÎÅÍÄ¿³ØÆ® ¾ÆÅ°ÅØó¿¡´Â Àü¿ë ¸¶½ºÅÍ ¹× ½½·¹À̺ê ÇÁ·Î¼¼¼ ·ÎÄà ¹ö½º ÀÎÅÍÆäÀ̽º, º°µµ ¼Û¼ö½Å ä³ÎÀ» °®Ãá 4°³ÀÇ DMA Æ÷Æ®¿Í Àü¿ë ¸Þ¸ð¸® ¹ö½º ÀÎÅÍÆäÀ̽º µîÀÌ Æ÷ÇԵŠÀÖ¾î °í¼º´É, ·Î¿ì ·¹ÀÌÅϽà Æ÷ÀÎÆ®-Åõ-Æ÷ÀÎÆ® Ä¿³ØƼºñƼ°¡ °¡´ÉÇÏ´Ù.
DO-178B´Â ¹Ì±¹ÀÇ Ç×°ø ¼ÒÇÁÆ®¿þ¾î °³¹ßÀ» À§ÇÑ °¡À̵å¶óÀÎÀ» ±ÔÁ¤Çϴ ǥÁØÀ¸·Î ÀÚ¸®Àâ¾Ò´Ù. DO-178BÀÇ Á¦Á¤ °úÁ¤¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ Á¤º¸´Â RTCAÀÇ À¥»çÀÌÆ®(www.rtca.org)¿¡¼,LynxOS-178°ú RSC¿¡ °üÇÑ Ãß°¡ Á¤º¸´Â www.linuxworks.com/rtos/rtos-178.php¿¡¼ È®ÀÎÇÒ ¼ö ÀÖ´Ù. |
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