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C, C++ Firmware ½Ã½ºÅÛ Å×½ºÆ®
C/C++ Æß¿þ¾î ½Ã½ºÅÛ Å×½ºÆ®(Firmware System Test)´Â Ÿ°Ù Çϵå¿þ¾î ½ÇÇà ȯ°æ¿¡¼ ³»ÀåµÈ ECU/MCU Æß¿þ¾î(Firmware) ¼ÒÇÁÆ®¿þ¾î¸¦ °ËÁõÇÒ ¼ö ÀÖ´Â ÀÓº£µðµå Å×½ºÆ® µµ±¸ÀÔ´Ï´Ù. ±âÁ¸ °³¹ßȯ°æ¿¡¼ Å×½ºÆ®ÇÏ´Â ÀüÅëÀûÀÎ Å×½ºÆ® µµ±¸¿Í ´Þ¸® ECU/MCU ÇÁ·Î¼¼¼¿Í °°Àº Çϵå¿þ¾î ½ÇÇà ȯ°æ¿¡¼ ¼ÒÇÁÆ®¿þ¾î, Çϵå¿þ¾î, ±×¸®°í Åë½ÅÀ» ÅëÇÕÇÑ Å×½ºÆ®¸¦ ¼öÇàÇÏ´Â ÃÖÀûÀÇ ÀÓº£µðµå ½Ã½ºÅÛ Å×½ºÆ® µµ±¸ÀÔ´Ï´Ù. ƯÈ÷, MCU´Â °£´ÜÇÑ ½ÅÈ£ Á¦¾î¿ëÀÇ ÄÁÆ®·Ñ·¯ ¿ªÇÒ¿¡¼ ÀÛÀº ¼ÒÇü ´Ü¸»±â µÎ³úÀÇ ¿ªÇÒ±îÁö È®´ë »ç¿ëÇÏ°í ÀÖ´Ù. |
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Firmware ½Ã½ºÅÛ Å×½ºÆÃÀÇ Æ¯Â¡
Test Program Execution: System (Whole Program)
UART protocol-based GUI Testing
Embedded Test Target Environment
-Software(code) + HW(MCU/ECU Processor) + Åë½Å(UART)
Firmware ½Ã½ºÅÛ Å×½ºÆÃÀÇ ÁÖ¿ä ±â´É
Æß¿þ¾î ½Ã½ºÅÛ Å×½ºÆ®(Firmware System Test)
-Target ½ÇÇà ȯ°æ¿¡¼ Æß¿þ¾î(ECU, MCU µî) SWÀÇ ÄÚµå Ä¿¹ö¸®Áö °ËÁõ/È®ÀÎ
-Target ½ÇÇà ȯ°æ¿¡¼ ÀÓº£µðµå SWÀÇ ¾ÈÀü¼º ¹× ½Å·Ú¼º °ËÁõ/È®ÀÎ
ºò¹ð(big-bang) ±â¹Ý ¸ðµç C/C++ ÄÄÆÄÀÏ·¯ Á¦Ç°±º Áö¿ø
-IAR, ARM, Borland, Cosmic, GNU, Green Hills, Intel, Keil, Microsoft, QNX, Wind River µî
ÄÚµå Ä¿¹ö¸®Áö ºÐ¼® ¹× MBD(Model-Based Design) ±â¹Ý °æ·Î °ËÁõ
ÄÚµå Ä¿¹ö¸®Áö ºÐ¼®
-´ÜÀ§ Ä¿¹ö¸®Áö: Statement, Branch, MC/DC, Path Coverage
-ÅëÇÕ Ä¿¹ö¸®Áö: Function, Call Coverage
È®ÀåµÈ Control Flow Graph(CFG)ÀÇ MBD ±â¹Ý Å×½ºÆ® ½ÇÇà Àü/ÈÄÀÇ °æ·Î °ËÁõ
-(program path verification) Å×½ºÆ®µÈ Statement/Branch, MC/DCÀÇ ½ÇÇà Àü/ÈÄÀÇ ºñ±³
-(test-to-graph) È®ÀåµÈ Control Flow GraphÀÇ MBD±â¹Ý BugÀÇ À§Ä¡/°æ·Î ½Äº°
-(test-to-code) Å×½ºÆ®µÈ ÄÚµåÀÇ Ä¿¹ö¸®Áö À¯Çü(Statement(S), Branch(T, F))À» ½Ã°¢Àû Ç¥Çö
±¹³»¿Ü ¼ÒÇÁÆ®¿þ¾î Å×½ºÆ® ¿ä±¸»çÇ× Áö¿ø
(¹æ»çû ¹«±âü°è SW µ¿Àû½ÃÇè) ÄÚµå ½ÇÇà·ü
ISO 26262(Automotive), DO 178(Aerospace), IEC 61508(Industrial), EN 50128(Railway), IEC 62304(Medical) µî
ÈÀÌÆ®¹Ú½º °æ·Î Å×½ºÆÃÀÇ ÀÚµ¿È È¿°ú
Ÿ°Ù ±â¹Ý ÀÓº£µðµå ¼ÒÇÁÆ®¿þ¾îÀÇ ¾ÈÀü¼º°ú ½Å·Ú¼º °ËÁõ
Ÿ°Ù ±â¹Ý ÀÓº£µðµå ¼ÒÇÁÆ®¿þ¾îÀÇ ÀÀ´ä¼º °ËÁõ
Å×½ºÆ® ÄÉÀ̽º ¾øÀÌ GUI ±â¹Ý ºü¸¥ ÄÚµå Ä¿¹ö¸®Áö ´Þ¼º
½Ã¹Ä·¹ÀÌ¼Ç ±â¹Ý Å×½ºÆ®º¸´Ù ¾à 10¹è ÀÌ»ó ¼ÒÇÁÆ®¿þ¾î Å×½ºÆ® ½Ã°£ ´ÜÃà
-Test Generation: Manual(Suppose one test case takes 10 minutes to complete the full testing) vs. Automation
¼ÒÇÁÆ®¿þ¾î Å×½ºÆÃÀÇ ÀÚµ¿È·Î ³ë·Â, ½Ã°£, ºñ¿ë Àý°¨
ÁÖ¿ä Å×½ºÆà »ç·Ê
ISO 26262(¹ÝµµÃ¼)ÀÇ ÀÓº£µðµå SW Å×½ºÆÃ
-IAR Workbench ±â¹Ý Target ½ÇÇà ȯ°æ¿¡¼ Firmware ¹ÝµµÃ¼ Å×½ºÆ®
ISO 61508(ÁöÇÏö)ÀÇ ÀÓº£µðµå SW Å×½ºÆÃ
-IAR Workbench ±â¹Ý Target ½ÇÇà ȯ°æ¿¡¼ Firmware ½Ã½ºÅÛ Å×½ºÆ®
-11,116 LOC/272 Functions: ÃÑ 12ÀÏ ¼öÇàÇÏ¿© 100% Statement Coverage ´Þ¼º
¹«±âü°è ¼ÒÇÁÆ®¿þ¾î(´ë°øÆ÷/Áö´ë°ø¹Ì»çÀÏ) µ¿Àû ½ÃÇè
-IAR Workbench ±â¹Ý Target ½ÇÇà ȯ°æ¿¡¼ Firmware ½Ã½ºÅÛ Å×½ºÆ®
-1,946 LOC/111 Functions: ÃÑ 3ÀÏ ¼öÇàÇÏ¿© 100% Statement Coverage ´Þ¼º
±¹Ã¥¿¬±¸°úÁ¦(¼ÒÇÁÆ®¿þ¾î ½ÃÇè ¼ºÀû¼)
-½ÃÇè °á°ú¼ µî
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