 
 
 
 ¸®´ª½º ÇÁ·Î±×·¡¸Ó¸¦ À§ÇÑ °¡À̵å
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9.1 ¸¶¿ì½º ÇÁ·Î±×·¡¹Ö (Mouse programming)
¸¶¿ì½º´Â ½Ã¸®¾ó(serial) Æ÷Æ®¿¡ ¿¬°áµÇ°Å³ª Á÷Á¢ AT ¹ö½º¿¡ ¿¬°áµÇ¾îÁö°í ¸¶¿ì½ºÀÇ ´Ù¸¥ 
ŸÀÔµéÀº ¸¶¿ì½º ÇÁ·Î±×·¡¹ÖÀ» ´õ ¾î·Æ°Ô ¸¸µå´Â ´Ù¸¥ Á¾·ùÀÇ ÀڷḦ º¸³½´Ù. ±×·¯³ª, 
Andrew Haylett´Â Ä£ÀýÇϰԵµ ´ç½Å ÀÚ½ÅÀÇ ÇÁ·Î±×·¥¿¡ ±×ÀÇ ¸¶¿ì½º ·çƾ(routine)¸¦ »ç¿ëÇÒ ¼ö 
ÀÖµµ·Ï ±×ÀÇ selection ÇÁ·Î±×·¥¿¡ °ü´ëÇÑ ÀúÀÛ±ÇÀ» ºÎ¿©Çß´Ù. ÀÌ °¡À̵å(guide)¿¡ Æ÷ÇÔµÈ 
COPYRIGHT ÁÖÀǹ®À» °¡Áø selection-1.8ÀÇ pre-release¸¦ ãÀ» ¼ö ÀÖ´Ù. X11Àº ÀÌ¹Ì Æí¾ÈÇÑ 
¸¶¿ì½º API¸¦ Á¦°øÇÔÀ¸·Î AndrewÀÇ ·çƾÀº non-X11 ÀÀ¿ëÇÁ·Î±×·¥¿¡¼¸¸ »ç¿ëµÇ¾îÁø´Ù.
´ç½ÅÀº selection ÆÐŰÁö·Î ºÎÅÍ mouse.c¿Í mouse.h ¸ðµâµé¸¸ ÇÊ¿äÇÏ´Ù. ¸¶¿ì½º À̺¥Æ®¸¦ 
¾ò±â À§ÇØ ±âº»ÀûÀ¸·Î ms_init()¿Í get_ms_event()¸¦ È£ÃâÇØ¾ß¸¸ ÇÑ´Ù. ms_init´Â ´ÙÀ½ÀÇ 10°³ÀÇ 
¾Æ±Ô¸ÕÆ®(argument)°¡ ÇÊ¿äÇÏ´Ù.:
- int acceleration
 Àº °¡¼ÓÈ(acceleration) ¿ä¼Ò(factor)ÀÌ´Ù. delta Çȼ¿(pixel)º¸´Ù ´õ ¸¹ÀÌ ¸¶¿ì½º¸¦ 
¿òÁ÷Àδٸé, ¿òÁ÷ÀÓÀº ÀÌ °ª¿¡ µû¶ó ´õ ºü¸£°Ô µÈ´Ù.
- int baud
 ¸¶¿ì½º¸¦ »ç¿ëÇÏ´Â bps ºñÀ²(rate)ÀÌ´Ù(ÀϹÝÀûÀ¸·Î 1200).
- int delta
 À̰ÍÀº °¡¼ÓÈ(acceleration)¸¦ ½ÃÀÛÇϱâ Àü¿¡ ¸¶¿ì½º¸¦ ¿òÁ÷¿©¾ßÇÏ´Â Çȼ¿(pixel)ÀÇ ¼öÀÌ´Ù.
- char *device
 ¸¶¿ì½º ÀåÄ¡ÀÇ À̸§ÀÌ´Ù(¿¹, /dev/mouse)
- int toggle
 ´Â DTR,RTS ¶Ç´Â DTR°ú RTS ¸¶¿ì½º ¸ðµ© ¶óÀÎ(mouse modem lines)À» ¸ðµÎ¸¦ ÃʱâÈ °ªÀ¸·Î 
Åä±Û(toggle)ÇÑ´Ù(ÀϹÝÀûÀ¸·Î 0).
- int sample
 ¸¶¿ì½ºÀÇ ÇØ»óµµ(resolution)(dpi) (ÀϹÝÀûÀ¸·Î 100).
- mouse_type mouse
 ¸¶¿ì½º¿¡ ´ëÇØ P_MSC (Mouse Systems Corp.)ó·³ ¸¶¿ì½º¿Í ¿¬°áµÈ ½Äº°ÀÚ(identifier)
- int slack
 slackÀÌ -1À̸é ȸéÀÇ °¡ÀåÀÚ¸® ³Ê¸Ó·Î ¸¶¿ì½º¸¦ À̵¿ÇϰíÀÚ ÇÏ´Â ½Ãµµ´Â ¸¶¿ì½º¸¦ °¡ÀåÀÚ¸®¿¡ 
³²°ÜµÑ °ÍÀÓÀ» ÀǹÌÇÏ´Â wraparound¸¦ À§ÇÑ slackÀÇ ¾ç.
- int maxx
 ÇöÀç ´Ü¸»±âÀÇ x ¹æÇâ ÇØ»óµµ. µðÆúÆ® ÆùÆ®, Çѹ®ÀÚ´Â 10Çȼ¿(pixel) Æø(wide)À» °¡Áø 
overall x ȸé(screen) ÇØ»óµµ(resolution)´Â 10*80-1ÀÌ´Ù.
- int maxy
 ÇöÀç ´Ü¸»±âÀÇ y ¹æÇâ ÇØ»óµµ. µðÆúÆ® ÆùÆ®, Çѹ®ÀÚ´Â 12Çȼ¿(pixel) ³ôÀÌ(high)¸¦ °¡Áø 
overall y ȸé(screen) ÇØ»óµµ(resolution)´Â 12*25-1ÀÌ´Ù.
get_ms_event()´Â ´ÜÁö struct ms_event¿¡ ´ëÇÑ Æ÷ÀÎÅ͸¸À» ÇÊ¿ä·Î ÇÑ´Ù. get_ms_event()°¡ -1À» 
¹ÝȯÇÑ´Ù¸é, ¿¡·¯°¡ ¹ß»ýÇÑ °ÍÀÌ´Ù. ¼º°ø½Ã 0À» ¹ÝȯÇϰí strucr ms_event´Â ½ÇÁ¦ ¸¶¿ì½º »óŸ¦ 
Æ÷ÇÔÇÒ °ÍÀÌ´Ù.
ÀÌÀü:9 I/O Æ÷Æ® ÇÁ·Î±×·¡¹Ö (Programming I/O ports)
´ÙÀ½:9.2 ¸ðµ© ÇÁ·Î±×·¡¹Ö (Modem Programming)
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LAST UPDATE Dec 17,1997
Created Dec 17,1997