²½½øµç»úʵÑ鱨¸æ

 

µ¥Æ¬»úʵÑé

           ¿Î³ÌÃû³Æ£º²½½øµç»ú±íʵÑé

Êڿΰ༶£º20##¼¶×Ô¶¯»¯Èý°à

ÈονÌʦ£ºÎÄÔ¶ÈÛ

¼Æ»®Ñ§Ê±£º32ѧʱ

ʵÑé×éÔ±£ºÕÅÌÙÒ«   ÕÔ¸£ÁÁ  Íõ´Ï»Û

         ÇØÁâε   ÁºÇÕ     Ö£»¶       

       

Ä¿    ¼

ÕªÒª¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

µÚÒ»Õ             ¸ÅÊö¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.

1.1ʵÑéÄ¿µÄ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

   1.2ʵÑéÒªÇó¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

1.3²½½øµç»úµÄ½éÉÜ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

1.4 Ñо¿Ë¼Â·¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

µÚ¶þÕ  Ó²¼þÉè¼Æ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..

   2.1 51µ¥Æ¬»ú½éÉÜ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

   2.2 UIN2003A¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

2.3 ZLG7290¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

  2.3.1 7290¹¤×÷Ô­Àí¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

  2.3.2 7290Òý½Åͼ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

µÚÈýÕÂÏà¹ØͼÏñ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.

   3.1 ×ܵç·ͼ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

   3.2 7290¿ØÖÆÊýÂë¹Ü¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

   3.3 ³ÌÐòÁ÷³Ìͼ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

     3.3.1 ¿ØÖÆ¿òͼ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

     3.3.2 Á÷³Ìͼ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

µÚËÄÕµ÷ÊÔ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

µÚÎåÕÂÐĵÃÌå»á¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

  

¸½Â¼¡¾Ò»¡¿ÏµÍ³³ÌÐò¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

¸½Â¼¡¾¶þ¡¿²Î¿¼ÎÄÏס­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.
¡¾ÕªÒª¡¿£º

²½½øµç»úÊǽ«µçÂö³åÐźÅת±äΪ½ÇλÒÆ»òÏßλÒƵĿª»·¿ØÖÆÔª²½½øµç»ú¼þ¡£Ôڷdz¬ÔصÄÇé¿öÏ£¬µç»úµÄתËÙ¡¢Í£Ö¹µÄλÖÃֻȡ¾öÓÚÂö³åÐźŵÄƵÂʺÍÂö³åÊý£¬¶ø²»ÊܸºÔر仯µÄÓ°Ï죬µ±²½½øÇý¶¯Æ÷½ÓÊÕµ½Ò»¸öÂö³åÐźţ¬Ëü¾ÍÇý¶¯²½½øµç»ú°´É趨µÄ·½Ïòת¶¯Ò»¸ö¹Ì¶¨µÄ½Ç¶È£¬³ÆΪ¡°²½¾à½Ç¡±£¬ËüµÄÐýתÊÇÒԹ̶¨µÄ½Ç¶ÈÒ»²½Ò»²½ÔËÐеġ£¿ÉÒÔͨ¹ý¿ØÖÆÂö³å¸öÊýÀ´¿ØÖƽÇλÒÆÁ¿£¬´Ó¶ø´ïµ½×¼È·¶¨Î»µÄÄ¿µÄ£»Í¬Ê±¿ÉÒÔͨ¹ý¿ØÖÆÂö³åƵÂÊÀ´¿ØÖƵç»úת¶¯µÄËٶȺͼÓËٶȣ¬´Ó¶ø´ïµ½µ÷ËÙµÄÄ¿µÄ¡£

±¾¿Î³ÌÉè¼ÆµÄÄÚÈÝÊÇÀûÓÃ51µ¥Æ¬»ú£¬´ïµ½¿ØÖƲ½½øµç»úµÄÆô¶¯¡¢Í£Ö¹¡¢Õýת¡¢·´×ª¡¢µã¶¯ºÍ״̬ÏÔʾµÄÄ¿µÄ£¬Ê¹²½½øµç»ú¿ØÖƸü¼ÓÁé»î¡£²½½øµç»úÇý¶¯Ð¾Æ¬²ÉÓÃUIN2003£¬¾ßÓдóµçÁ÷¡¢¸ßµçѹ£¬Íâµç·¼òµ¥µÈÓŵ㡣ÀûÓÃËÄλÊýÂë¹Ü£¨ZLG7290£©ÔöÉèµç»ú״̬ÏÔʾ¹¦ÄÜ£¬¸÷ÏîÊý¾Ý¸üÖ±¹Û¡£Êµ²â½á¹û±íÃ÷£¬¸Ã¿ØÖÆϵͳ´ïµ½ÁËÉè¼ÆµÄÒªÇó¡£

¡¾¹Ø¼ü´Ê¡¿£ºµ¥Æ¬»ú ²½½øµç»ú UIN2003 ZLG7290 ÊýÂë¹Ü

µÚÒ»Õ ¸ÅÊö

1.1ʵÑéÄ¿µÄ

1¡¢µ¥Æ¬»ú¶Ô²½½øµç»ú¿ØÖÆ¿ÉÒÔÊìϤ²½½øµç»úµÄÔ­ÀíºÍÓ¦Óá£

2¡¢µ¥Æ¬»ú¶Ô²½½øµç»ú¿ØÖÆ¿ÉÒÔÊìϤµ¥Å¶¾Í¹¦ÄÜÒѾ­Ô­Àí¡¢¹¹Ôì¡£

3¡¢Í¨¹ýÕâ´ÎʵÑéÄÜÔËÓÃËùѧ»ù±¾ÀíÂÛ֪ʶ¡¢×¨Òµ¼¼ÄÜÀ´¶ÔÎÊÌâ½øÐзÖÎö£¬Ë¼¿¼£¬½â¾ö£¬Ìá¸ß¶Ôרҵ֪ʶµÄÕÆÎÕÒÔ¼°¶ÍÁ¶Âß¼­Ë¼Î¬ÄÜÁ¦¡£

1.2ʵÑéÒªÇó

ʵÏÖ²½½øµç»ú°´¹æ¶¨µÄËÙ¶ÈÕýת¡¢·´×ª£¬×ª¹ýÖ¸¶¨µÄ½Ç¶È£¬ÒªÓе㶯¹¦ÄÜ¡£ËùÓÐÃüÁîͨ¹ý¼üÅÌÊäÈ룬²½½øµç»úÔÚÔËÐйý³ÌÖÐÒªÓÐ״̬ºÍÊý¾Ýָʾ¡£

1.3²½½øµç»úµÄ½éÉÜ

¡¡¡¡²½½øµç»úÊÇÒ»ÖÖ¸ÐÓ¦µç»ú£¬ËüµÄ¹¤×÷Ô­ÀíÊÇÀûÓõç×ӵ緣¬½«Ö±Á÷µç±ä³É·Öʱ¹©µçµÄ£¬¶àÏàʱÐò¿ØÖƵçÁ÷£¬ÓÃÕâÖÖµçÁ÷Ϊ²½½øµç»ú¹©µç£¬²½½øµç»ú²ÅÄÜÕý³£¹¤×÷£¬Çý¶¯Æ÷¾ÍÊÇΪ²½½øµç»ú·Öʱ¹©µçµÄ£¬¶àÏàʱÐò¿ØÖÆÆ÷

¡¡¡¡ËäÈ»²½½øµç»úÒѱ»¹ã·ºµØÓ¦Ó㬵«²½½øµç»ú²¢²»ÄÜÏñÆÕͨµÄÖ±Á÷µç»ú£¬½»Á÷µç»ú ÔÚ³£¹æÏÂʹÓá£Ëü±ØÐëÓÉË«»·ÐÎÂö³åÐźš¢¹¦ÂÊ Çý¶¯µç·µÈ×é³É¿ØÖÆϵͳ·½¿ÉʹÓá£Òò´ËÓúò½½ø µç»ú È´·ÇÒ×Ê£¬ËüÉæ¼°µ½»úе¡¢µç»ú¡¢µç×Ó¼°¼ÆËã»úµÈÐí¶àרҵ֪ʶ¡£

¡¡¡¡²½½øµç»ú×÷Ϊ Ö´ÐÐÔª¼þ £¬ÊÇ»úµçÒ»Ì廯µÄ¹Ø¼ü²úÆ·Ö®Ò»,¹ã·ºÓ¦ÓÃÔÚ¸÷ÖÖ×Ô¶¯»¯¿ØÖÆϵͳÖС£Ëæ×Å΢µç×ӺͼÆËã»ú¼¼ÊõµÄ·¢Õ¹£¬²½½øµç»úµÄÐèÇóÁ¿ÓëÈÕ¾ãÔö£¬ÔÚ¸÷¸ö¹úÃñ¾­¼ÃÁìÓò¶¼ÓÐÓ¦Óá£

²½½øµç»úÊÇÒ»ÖÖ½«µçÂö³åת»¯Îª½ÇλÒƵÄÖ´Ðлú¹¹¡£Í¨Ë×Ò»µã½²£ºµ±²½½øÇý¶¯Æ÷½ÓÊÕµ½Ò»¸öÂö³åÐźţ¬Ëü¾ÍÇý¶¯²½½øµç»ú°´É趨µÄ·½Ïòת¶¯Ò»¸ö¹Ì¶¨µÄ½Ç¶È£¨¼´²½½ø½Ç£©¡£Äú¿ÉÒÔͨ¹ý¿ØÖÆÂö³å¸öÊýÀ´¿ØÖƽÇλÒÆÁ¿£¬´Ó¶ø´ïµ½×¼È·¶¨Î»µÄ Ä¿µÄ £»Í¬Ê±Äú¿ÉÒÔͨ¹ý¿ØÖÆÂö³åƵÂÊÀ´¿ØÖƵç»úת¶¯µÄËٶȺͼÓËٶȣ¬´Ó¶ø´ïµ½µ÷ËÙµÄÄ¿µÄ¡£

ͼ1 ²½½øµç»úÆÊÃæͼ

1.4Ñо¿Ë¼Â·

1¡¢Á˽ⵥƬ»ú±¾ÉíÄÚ²¿Ó¦ÓеÄ×ÊÔ´£¬È磺Öжϡ¢¶¨Ê±Æ÷¡¢¼ÆÊýÆ÷¡¢I\OµÄʹÓá£

2¡¢Á˽ⲽ½øµç»úµÄ¹¤×÷Ô­ÀíºÍ×÷Óá£

3¡¢¸ù¾Ý²½½øµç»úµÄÔ­Àí£¬·ÖÎö²¢·ÖÅ䵥Ƭ»úÄÚ²¿×ÊÔ´£¬²¢¸ù¾Ýµ¥Æ¬»úµÄ×ÊÔ´£¬À´ÊµÏÖÓ²¼þµç·µÄÉè¼ÆÒÔ¼°Èí¼þ³ÌÐòµÄ±àд¡£

4£®¡¢¶ÔÓÚ×Ô¼º²»ÊìϤµÄ¶«Î÷£¬²éÔÄ×ÊÁÏ¡£

5¡¢ÔÚÉè¼ÆºÃµ¥Æ¬»ú²½½øµç»úʱ£¬ÒªÑ§»á·ÖÎöµç·ÖгöÏÖµÄÎÊÌ⣬²¢ºÃºÃ×ܽᡣ

µÚ¶þÕ  Ó²¼þÉè¼Æ

2.1 µ¥Æ¬»úµÄ¼ò½é

µ¥Æ¬»úÊÇÐø¼ÆËã»ú³öÏÖÖ®ºó£¬²¢Ëæ×ŵçÆ÷ʱ´ú´óµ½À´£¬ÈËÃǽèÖúµçÆø¼¼ÊõÏëʵÏÖÁË×Ô¶¯¿ØÖÆ»úе£¬×Ô¶¯Éú ²úÏßÉõÖÁ×Ô¶¯¹¤³§£¬µ«ÒÀ¿¿¼ÆËã»úÈ¥Íê³Éÿһ¸ö×Ô¶¯µÄ¹ý³Ì£¬·´¶øÓÐЩ¸´ÔÓÒÔ¼°×ÊÔ´µÄÂÒ·Ñ£»ËùÒÔÓøü·½±ã£¬¸ü΢С£¬¸üÖÇÄܵÄ΢ÐÍ´¦ÀíÆ÷À´´¦Àí¹¤ÒµÏÖ³¡µÄ²â¿ØÁìÓò£¬¿ØÖÆÁìÓò£¬ÓÐ×ÅÖØ´óÒâÒ壻¸üºÎ¿öÄ¿Ç°£¬²Êµç£¬±ùÏ䣬¿Õµ÷£¬Â¼Ïñ»ú£¬VCD£¬Ò£ ¿ØÆ÷£¬ÓÎÏ·»ú£¬µç·¹ìÒµÈÎÞ´¦²»¼ûµ¥Æ¬»úµÄÓ°×Ó£¬ËùÒÔµ¥Æ¬»ú½«»á¸üÂú×ãÎÒÃǵÄÉú»î£¬»á¸üÈ¡´ú´óÐ͵ļÆËã»ú¡£

ÏÖÔÚµ¥Æ¬»úÖ÷Òª°´ÓÃ;£¬´óÌåÉÏ¿É·ÖΪÁ½´óÀࣺ 1--ͨÓÃÐ͵¥Æ¬»ú 2--רÓÃÐ͵¥Æ¬»ú

רÓÃÐ͵¥Æ¬»úÊÇÖ¸ÓÃ;±È½Ïרһ£¬³ö³§Ê±³ÌÐòÒѾ­Ò»´ÎÐԹ̻¯ºÃ£¬ ²»ÄÜÔÙÐ޸õĵ¥Æ¬»ú¡£ÀýÈçµç×Ó±íÀïµÄµ¥Æ¬»ú¾ÍÊÇÆäÖеÄÒ»ÖÖ¡£ ÆäÉú²ú³É±¾ºÜµÍ¡£
    ͨÓÃÐ͵¥Æ¬»úµÄÓÃ;ºÜ¹ã·º£¬Ê¹Óò»Í¬µÄ½Ó¿Úµç·¼°±àÖƲ»Í¬µÄÓ¦ ÓóÌÐò¾Í¿ÉÍê³É²»Í¬µÄ¹¦ÄÜ¡£Ð¡µ½¼ÒÓõçÆ÷ÒÇÆ÷ÒÇ±í£¬´óµ½»úÆ÷Éè ±¸ºÍÕûÌ×Éú²úÏ߶¼¿ÉÓõ¥Æ¬»úÀ´ÊµÏÖ×Ô¶¯»¯¿ØÖÆ¡£
2.2 UIN2003

±¾ÎÄÑ¡ÓÃULN2003¹¹³É²½½øµç»úµÄÇý¶¯µç·£¬ÏÂÃ浫¼û½éÉÜÏÂULN2003µÄ½á¹¹ºÍÌص㣺

ULN2003 ÊǸßÄÍѹ¡¢´óµçÁ÷´ïÁÖ¶Ù³ÂÁУ¬ÓÉÆ߸ö¹èNPN ´ïÁÖ¶Ù¹Ü×é³É¡£

¸Ãµç·µÄÌصãÈçÏ£º

ULN2003 µÄÿһ¶Ô´ïÁÖ¶Ù¶¼´®ÁªÒ»¸ö2.7K µÄ»ù¼«µç×è,ÔÚ5V µÄ¹¤×÷µçѹÏÂËüÄÜÓëTTL ºÍCMOS µç·ֱ½ÓÏàÁ¬£¬¿ÉÒÔÖ±½Ó´¦ÀíÔ­ÏÈÐèÒª±ê×¼Âß¼­»º³åÆ÷À´´¦ÀíµÄÊý¾Ý¡£

ULN2003 ¹¤×÷µçѹ¸ß£¬¹¤×÷µçÁ÷´ó£¬¹àµçÁ÷¿É´ï500mA£¬²¢ÇÒÄܹ»ÔÚ¹Ø̬ʱ³ÐÊÜ50V µÄµçѹ£¬Êä³ö»¹¿ÉÒÔÔڸ߸ºÔصçÁ÷²¢ÐÐÔËÐС£

ULN2003·½¿òͼÈçͼ2Ëùʾ¡£

ͼ2 ULN2003ÄÚ²¿·½¿òͼ

ÀûÓÃULN2003ÒÔ¼°AT89C54RDÉè¼ÆµÄ²½½øµç»úÇý¶¯µç·Èçͼ3Ëùʾ¡£

2.3 ZLG7290

2.3.1 7290¹¤×÷Ô­Àí

ZLG7290µÄºËÐÄÊÇÒ»¿éZLG7290BоƬ£¬Ëü²ÉÓÃI2C½Ó¿Ú£¬ÄÜÖ±½ÓÇý¶¯8λ¹²ÒõʽÊýÂë¹Ü£¬Í¬Ê±¿ÉɨÃè¹ÜÀí¶à´ï64Ö»°´¼ü£¬ÊµÏÖÈË»ú¶Ô»°µÄ¹¦ÄÜ×ÊÔ´Ê®·Ö·á¸»¡£³ý¾ßÓÐ×Ô¶¯Ïû³ý¶¶¶¯¹¦ÄÜÍ⣬Ëü»¹¾ßÓжÎÉÁ˸¡¢¶ÎµãÁÁ¡¢¶ÎϨÃð¡¢¹¦Äܼü¡¢Á¬»÷¼ü¼ÆÊýµÈÇ¿´ó¹¦ÄÜ£¬²¢¿ÉÌṩ10ÖÖÊý×ÖºÍ21ÖÖ×ÖĸµÄÒëÂëÏÔʾ¹¦ÄÜ£¬Óû§¿ÉÒÔÖ±½ÓÏòÏÔʾ»º´æдÈëÏÔʾÊý¾Ý£¬¶øÇÒÎÞÐèÍâ½ÓÔª¼þ¼´¿ÉÖ±½ÓÇý¶¯ÊýÂë¹Ü£¬»¹¿ÉÀ©Õ¹Çý¶¯µçѹºÍµçÁ÷¡£´ËÍ⣬ZLG7290BµÄµç·¼òµ¥£¬Ê¹ÓÃÒ²ºÜ·½±ã¡£Óû§°´ÏÂij¸ö¼üʱ£¬ZLG7290µÄINTÒý½Å»á²úÉúÒ»¸öµÍµçƽµÄÖжÏÇëÇóÐźţ¬¶ÁÈ¡¼üÖµºó£¬ÖжÏÐźžͻá×Ô¶¯³·Ïú¡£Õý³£Çé¿öÏ£¬Î¢¿ØÖÆÆ÷Ö»ÐèÒªÅжÏINTÒý½Å¾Í¿ÉÒԵõ½¼üÅÌÊäÈëµÄÐÅÏ¢¡£Î¢¿ØÖÆÆ÷¿Éͨ¹ýÁ½ÖÖ·½Ê½µÃµ½Óû§µÄ¼üÅÌÊäÈëÐÅÏ¢¡£ÆäÒ»ÊÇÖжϷ½Ê½£¬¸Ã·½Ê½µÄÓŵãÊÇ¿¹¸ÉÈÅÄÜÁ¦Ç¿£¬È±µãÊÇÒªÕ¼ÓÃ΢¿ØÖÆÆ÷µÄÒ»¸öÍⲿÖжÏÔ´¡£Æä¶þÊDzéѯ·½Ê½£¬¼´Í¨¹ý²»¶Ï²éѯINTÒý½ÅÀ´ÅжÏÊÇ·ñÓмü°´Ï£¬¸Ã·½Ê½¿ÉÒÔ½Úʡ΢¿ØÖÆÆ÷µÄÒ»¸ùI£¯O¿ÚÏߣ¬µ«ÊÇ´ú¼ÛÊÇI2C×ÜÏß´¦ÓÚƵ·±µÄ»î¶¯×´Ì¬£¬ÏûºÄµçÁ÷¶à²¢ÇÒ²»ÀûÓÚ¿¹¸ÉÈÅ¡£

2.3.2 7290Òý½Åͼ

        

ͼ3 7290Òý½Åͼ

µÚÈýÕÂÏà¹ØͼÏñ

3.1 ×ÜÌåµç·ͼ

3.2 7290¿ØÖÆÊýÂë¹Ü

3.3 ³ÌÐòÁ÷³Ìͼ

3.3.1¿ØÖÆ¿òͼ

3.3.2 Á÷³Ìͼ

µÚËÄÕ µ÷ÊÔ   

1¡¢ °´ÕÕʵÑéÔ­ÀíͼÁ¬½ÓºÃµç·ͼ¡£ª¦

2¡¢ ¸ù¾ÝÔ­Àíͼ±àд³ÌÐò¡£ª¦

3¡¢ µç·Éϵ磬µ÷ÊÔ³ÌÐò£¬¹Û²ì²¢¿ØÖƵç»úʹÆä°´ÕÕÔ¤ÆÚµÄÐÐΪ¹¤×÷¡£ª¦

4¡¢ µ±µç»ú¿ÉÒÔͨ¹ý°´¼ü¿ØÖÆÆäÕýת¼Ó¼õËÙ¡¢·´×ª¼Ó¼õËÙ³ÌÐò¡¢µã¶¯ºó£¬µ÷ÊÔ½áÊø¡£ª¦

5¡¢ ÓÅ»¯³ÌÐò£¬ÕûÀíʵÑé½á¹û¡£   

     ×ܵÄÀ´Ëµ£¬¹ý³Ì±È½Ï˳Àû£¬Ö»ÊÇ´ÖÐÄ֮ϣ¬Á¬Ïß³öÏÖÁË´íÎ󣬶ÔÓÚ´Ë£¬ÎÒ½øÐÐÁËÉî¿ÌµÄ×ÔÎÒ¼ìÌÖºÍÅúÆÀ¡£ÔÚ¾­¹ýÀÏʦµÄÖªµÀºó£¬ÎÒÃÇÖÕÓÚʵÏÖÁËʵÑéÒªÇóµÄ¹¦ÄÜ£¬ÄÜʵÏÖÕý·´×ª£¬¿ìÂý±ä»¯¼°µã¶¯µÈ¡£

µÚÎåÕ ÊÕ»ñÌå»á

Ê×ÏÈÊǹØÓÚ¿ÎÌâµÄÑ¡Ôñ£¬¿ªÊ¼ÊÇ×¼±¸×öÒ»¸öÍòÄêÀú£¬¾­¹ý²é¿´×ÊÁϺó·¢ÏÖ¼ÆËã»úµÄ¹ý³ÌʵÏֱȽϵĸ´ÔÓ£¬¶øÕâ´ÎµÄ¿Î³ÌÉè¼Æʱ¼ä±È½Ï¶Ì£¬¹Ê·ÅÆúÁËÕâ¸öÏë·¨¡£¾­¹ý¸÷ÖÖɸѡ£¬×îºó¾ö¶¨×ö²½½øµç»úµÄÏà¹ØÉè¼Æ£¬Æð³õ¿´×ÅÖ¸µ¼ÊéÉϵÄÄÚÈݾõµÃʵÏÖ²½½øµç»úÊDZȽϵļòµ¥µÄ£¬µ«µ±ÎÒÕæÕý¿ªÊ¼Éè¼ÆÖ®ºó²Å·¢ÏÖ²¢Ã»ÓÐÏëÏñÖÐÄÇôµÄ¼òµ¥¡£

ÕâѧÆÚµÄ΢»ú¿ÎºÍµ¥Æ¬»ú¿ÎûÔõôѧºÃ£¬¹Ê¸Ð¾õÔÚ×öÕâ¸öÉè¼ÆʱÓеãÀ§ÄÑ£¬±ÈÈç»ã±à³ÌÐò¡£ºóÀ´¾ö¶¨ÓÃcÀ´±àд³ÌÐò£¬ÕâÑùÉÔ΢ÇáËɵ㣬ÔÚÉè¼Æ³ÌÐòÖÐÉæ¼°µ½ÁËÖжϳÌÐòµÄ±àд£¬·¢ÏÖÒÑѧµÄÀíÂÛ֪ʶÍêÈ«Óò»ÉÏÀ´£¬Ò²ÐíÕâ¾ÍÊÇÀíÂÛÍÑÀëʱ¼äµÄ½á¹û£¬ÔÚÆÚ¼ä¶ñ²¹Á˵¥Æ¬»úµÄÖжÏ֪ʶ¼°ÆäÏàÓ¦µÄ³ÌÐò±àд¡£

ͨ¹ýÕâ´Î¿Î³ÌÉè¼ÆʵÑé,ÎÒ¶Ô²½½øµç»úµ÷ËÙ¿ØÖÆϵͳÓÐÁËʵ¼ÊµÄÁ˽âºÍÈÏʶ,Ìá¸ßÁ˶¯ÊÖÄÜÁ¦¡£±¾´ÎʵÑé°ÑÊé±¾ÉÏ¡¢¿ÎÌÃÉÏѧµ½µÄ֪ʶÁé»îµØÔËÓõ½Êµ¼ÊµÄʵÎïÉÏ,¸Ð¾õÊǶÔѧÒÔÖÂÓõÄÒ»ÖÖ¶ÍÁ¶ºÍ¿¼Ñ骣Ìá¸ßÁËÓÃËùѧ֪ʶ½â¾öʵ¼ÊÎÊÌâµÄÄÜÁ¦,¼ÓÉîºÍ¹®¹ÌµÄ¶Ô֪ʶµÄÀí½âºÍÕÆÎÕ¡£¿ØÖƵç·¡¢Çý¶¯µç·¡¢²âËÙ·´À¡µç·¡¢²½½øµç»ú¼¸¸öÄ£¿éµÄÕûºÏ,Ҳʵ¼ÊÖÐÌá¸ßÁË×Ô¼º¶ÔϵͳµÄÈÏʶ,ÓÐÁËЩÕûÌåµÄ¸ÅÄîºÍ˼ά¹Û¡£ ʵÑéÊÇÍŶӺÏ×÷Íê³ÉµÄ,´ÓÉè¼Æµç·µ½Éè¼ÆÈí¼þ,È»ºó·ÂÕæµ½×öÓ²¼þ×ö³ö·ûºÏÒªÇóµÄ¿ØÖÆϵͳ,²»½ö´Óʵ¼ÊÖжÍÁ¶Á˶¯ÊÖÄÜÁ¦¶øÇÒѧ»áÁËÍŶӺÏ×÷,»¥Ïàѧϰ,Ìá¸ß×Ô¼º¡£

Õâ´ÎµÄ¿Î³ÌÉè¼Æ×ܵĸоõ¾ÍÊǺÜÀÛ£¬µ«ÔÚ²»¶ÏµÄѧϰ»úʵ¼ùµ±ÖÐѧµ½Á˺ܶණÎ÷£¬ÖªÊ¶µÄÌá¸ßÄÇÊÇ×î»ù´¡µÄ£¬Öжϣ¬µç·¹¤×÷¼°Ïà¹ØµÄ֪ʶ¶¼Êǵõ½ÁËÌáÉý£»È»ºó¾ÍÊǸöÈË´¦ÀíÎÊÌâÄÜÁ¦µÄÌá¸ß£¬ËäȻ˵Õâ´ÎµÄÉè¼Æ²»ËãÒ»¸ö´óµÄÏîÄ¿£¬µ«Ò²ËãÊÇСµÄ³ûÐΣ¬¿ÎÌâµÄÑ¡Ôñ£¬Ç°ÆÚµÄ×¼±¸£¬ÀíÂÛµÄʵ¼ù£¬ÖªÊ¶µÄÌá¸ß£¬´¦Àíʵ¼ÊÎÊÌâ¼°ºóÆÚµÄ×ܽá¹éÄÉ¡£

¸¶³öÈ¥ÊÕ»ñÍùÍùÊdzÉÕý±ÈµÄ£¬Õâ´ÎµÄ¿Î³ÌÉè¼ÆÖеõ½Á˳ä·ÖµÄÌåÏÖ¡£

×ܵÄÀ´Ëµ£¬Õâ´ÎÉè¼ÆµÄ²½½øµç»ú¿ØÖƵç·»¹ÊDZȽϳɹ¦µÄª¥ÔÚÉè¼ÆÖÐÓöµ½Á˺ܶàÎÊÌ⣬×îºóÔÚ×Ô¼ºµÄ˼¿¼Ï£¬ËÞÉá´ó¼ÒÒ»Æð¾­¹ý¼¤ÁÒµÄ̽ÌÖÏ£¬ÖÕÓÚÓÎÄæ¶ø½â£¬ÓеãССµÄ³É¾Í¸Ð£¬ÖÕÓÚ¾õµÃƽʱËùѧµÄ֪ʶÓÐÁËʵÓõļÛÖµ£¬´ïµ½ÁËÀíÂÛÓëʵ¼ÊÏà½áºÏµÄÄ¿µÄ¡£²»½öѧµ½Á˲»ÉÙ֪ʶ£¬¶øÇÒ¶ÍÁ¶ÁË×Ô¼ºµÄÄÜÁ¦£¬Ê¹×Ô¼º¶ÔÒÔºóµÄ·ÓÐÁ˸ü¼ÓÇå³þµÄÈÏʶ¡£Í¬Ê±£¬¶ÔδÀ´ÓÐÁ˸ü¶àµÄÐÅÐÄ¡£×îºó£¬¶ÔÎÄÀÏʦ±íʾÖÒÐĵĸÐл£¬ÀÏʦ£¬ÄãÐÁ¿àÁË¡£ª¤

¸½Â¼¡¾Ò»¡¿ÏµÍ³³ÌÐò

Ö÷³ÌÐò£º

/************************************************************************

                   »ùÓÚ51µ¥Æ¬»úµÄÒì²½µç»ú¿ØÖƳÌÐò

************************************************************************/

#include<reg51.h>

#include "VIIC_C51.H"

#include "ZLG7290.h"

#define uchar unsigned char

#define uint unsigned int

/*ËÄÏಽ½øµç¶¯»úµ¥¡¢Ë«°ËÅÄÔËÐÐ״̬±í

11111110     0FEH    A

11111100     0FCH    AB

11111101     0FDH    B

11111001     0F9H     BC

11111011     0FBH    C

11110011     0F3H     CD

11110111     0F7H     D

11110110     0F6H     DA

*/

sbit PA=P1^0;  //P1¿ØÖƵç»ú

sbit PB=P1^1;

sbit PC=P1^2;

sbit PD=P1^3;

sbit RST=P1^4;

sbit KEY_INT=P3^2; //¿´ÊÇ·ñ¸ü¸ÄΪP3^2

sbit SCL=P1^6;

sbit SDA=P1^7;

uchar code step_tab[9]={0xff,0xfe,0xfc,0xfd,0xf9,0xfb,0xf3,0xf7,0xf6};

uint code delaytime[4] = {60,40,20,10};//ÑÓʱʱ¼äÁбí

//±äÁ¿µÄ¶¨Òå

uchar direction;          //״̬±äÁ¿   0£­ÕýÏò£¬1£­·´Ïò

uchar continuous;           //״̬±äÁ¿  0£­Ö¸¶¨²½ÊýÔËÐУ¬1£­Á¬ÐøËÙ¶ÈÔËÐÐ

uchar run;                 //״̬±äÁ¿       0£­µç»úδÔËÐУ¬1£­µç»úÔËÐÐÖÐ

uchar speed_num;          //Á¬ÐøËÙ¶ÈÔËÐбêºÅ1-4

uchar cur_step;            //°ËÅÄÔËÐÐ״̬

uchar step_num;          //Ö¸¶¨ÔËÐеIJ½Êý£¬·¶Î§0-99

//¼üÖµ¶¨Òå

#define Key_dir  1         //·½Ïò¼ü

#define Key_Run      2         //Æô¶¯¼ü

#define Key_stop 3       //Í£Ö¹¼ü

#define Ket_Step 4        //µ¥²½ÔËÐмü

#define Key_step_add 5  //²½Êý¼Ó¼ü

#define Key_step_sub 6   //²½Êý¼õ¼ü

#define Key_speed_add 7       //ËٶȼӼü

#define Key_speed_sub 8 //Ëٶȼõ¼ü

#define Key_Con_Set      9     //Á¬ÐøÔËÐÐÓëÖ¸¶¨²½ÊýÔËÐÐÇл»¼ü¡£

//¶¨Òå¼üÅÌÖжϱêÖ¾£¬FlagINT0=1 ±íʾÓмü°´ÏÂ

volatile bit FlagINT0 = 0;

void KeyProsess( uchar key );

/************************************************************************

º¯Êý£ºINT0_SVC()

¹¦ÄÜ£ºZLG7290 ¼üÅÌÖжϷþÎñ³ÌÐò

˵Ã÷£ºÖжϴ¥·¢·½Ê½Ñ¡Ôñ¸º±ßÑØ´¥·¢£¬Òò´Ë²»±ØµÈ´ýÖжÏÇëÇóÐźŻָ´Îª¸ßµçƽ

************************************************************************/

void INT0_SVC() interrupt 0

{

       unsigned char KeyValue;

       //¶ÁÈ¡¼üÖµ

       KeyValue=ZLG7290_GetKey();

       //´¦Àí¼üÖµ

       KeyProsess(KeyValue);

}

/************************************************************************

º¯Êý£ºDelay()

¹¦ÄÜ£º¶¨Ê±Æ÷ʵÏÖÑÓʱtms

************************************************************************/

void Delay(unsigned int t)

{

       do

       {     //TH£½64536

              TH1 = 0xFC;

              TL1 = 0x18;

              TR1 = 1;           //Æô¶¯¶¨Ê±Æ÷T1²¢µÈ´ýÖжÏ

              while ( !TF1 );

              TF1 = 0;     //ÖжÏÇëÇó±êÖÂÇåÁã

              TR1 = 0;           //Í£Ö¹T1¶¨Ê±Æ÷

       } while (--t);

}

/************************************************************************

º¯Êý£ºDispDir()

¹¦ÄÜ£ºÏÔʾ·½Ïò×Ó³ÌÐò

˵Ã÷£ºdat  0  ÕýÏò£¬1·´Ïò

************************************************************************/

void DispDir(uchar dat)

{

       if(dat == 0)

       {

              ZLG7290_SendCmd(0x60+7,0x0f); //"F" ±íʾÕýת

       }

       else

       {

              ZLG7290_SendCmd(0x60+7,0x0b);  //"B"±íʾ·´×ª

       }

}

/************************************************************************

º¯Êý£ºDispSpeed()

¹¦ÄÜ£ºÏÔʾËٶȺÅ×Ó³ÌÐò

˵Ã÷£ºdat  1~4   ´ú±íËÄÖÖ²»Í¬µÄËÙ¶È

************************************************************************/

void DispSpeed(uchar dat)

{

       ZLG7290_SendCmd(0x60+5,dat);

}

/************************************************************************

º¯Êý£ºDispStepNum()

¹¦ÄÜ:ÏÔʾÔËÐв½ÊýºÅ³ÌÐò

˵Ã÷£º¼ä½ÓʵÏÖת¹ýÖ¸¶¨½Ç¶È=²½¾à½Ç*²½Êý

************************************************************************/

void DispStepNum(uchar dat)

{

       unsigned char d;

       d = dat / 10;

       ZLG7290_SendCmd(0x60+1,d);

       d = dat - d * 10;

       ZLG7290_SendCmd(0x60+0,d);

}

/************************************************************************

º¯Êý£ºDispContinuous()

¹¦ÄÜ£ºÏÔʾÔËÐÐ״̬£¬Á¬Ðø»¹ÊÇÖ¸¶¨²½Êý

˵Ã÷£º0£­Ö¸¶¨²½ÊýÔËÐУ¬1£­Á¬ÐøËÙ¶ÈÔËÐÐ

************************************************************************/

void DispContinuous(uchar dat)

{

       if(dat == 0)

       {

              ZLG7290_SendCmd(0x60+3,0x0d); //'d'±íʾָ¶¨²½ÊýÔËÐÐ״̬

       }

       else

       {

              ZLG7290_SendCmd(0x60+3,0x0c); //'C'±íʾÁ¬ÐøËÙ¶ÈÔËÐÐ

       }

}

/************************************************************************

º¯Êý£ºOnStep()

¹¦ÄÜ£ºÊµÏÖµ¥²½ÔËÐÐ

************************************************************************/

void OneStep()

{

       if(direction == 0)

       {//ÕýÏò

              if(cur_step == 8)

              {

                     cur_step = 1;

              }else

              {

                     cur_step ++;

              }

              P1 = step_tab[cur_step]; //Êä³ö

       }

       else

       {

              if(cur_step <= 1)

              {

                     cur_step = 8;

              }else

              {

                     cur_step --;

              }

              P1 = step_tab[cur_step]; //Êä³ö

       }

}

/***************************************************************************

º¯Êý£ºOnContinue()

¹¦ÄÜ£ºÁ¬ÐøÔËÐÐ

***************************************************************************/

void OnContinue()

{

       if(continuous != 0)

       {//Á¬ÐøÔËÐÐ

              while(run!=0)

              {

                     OneStep();

                     Delay(delaytime[speed_num-1]);//ÑÓ³Ù Ä¿µÄ¸Ä±äתËÙ

              }

       }

       else

       {//Ö¸¶¨²½ÊýÔËÐÐ

              if(step_num != 0)

              {

                     OneStep();

                     Delay(50);             //50ms ÑÓ³Ù

                     step_num--;

                     DispStepNum(step_num); //¸üÐÂÏÔʾ²½Êý ¼´ÏÔʾʣÏÂûÓÐÖ´ÐеIJ½Êý

                     if(run == 0) return;   //ÈôÍ£Ö¹¼ü°´Ï£¬ÔòÍ£Ö¹

              }

              else

              {

                     run = 0;  //Í£Ö¹

                     return;

              }

       }

}

/****************************************************************************

º¯Êý£ºKeyProsess()

¹¦ÄÜ£º¼üÖµ´¦Àí³ÌÐò

****************************************************************************/

void KeyProsess( uchar key )

{

       switch(key)

       {

       case Key_dir       :      //·½Ïò¼ü

              if(run==0)

              {

                     if(direction == 0)

                            direction =1;

                     else

                            direction = 0;

                     DispDir(direction);

              }

              break;

       case Key_Run     :      //Æô¶¯¼ü

              if(run ==0)

              {

                     run =1;

              }

              break;

       case Key_stop:    //Í£Ö¹¼ü

              if(run !=0)

              {

                     run =0;

              }

              break;

       case Ket_Step:    //µ¥²½ÔËÐмü ʵÏֵ㶯¹¦ÄÜ

              if(run ==0)

              {

                     run =1;

                     OneStep();

                     run =0;

              }

              break;

       case Key_step_add:   //²½Êý¼Ó¼ü   n=(²½¾à½Ç*60)/(360*t*0.001) µ¥Î»r/min

              if(run ==0)

              {

                     if(step_num == 99)

                     {

                            step_num = 0;

                     }else

                     {

                            step_num ++;

                     }

                     DispStepNum(step_num);

              }

              break;

       case Key_step_sub:    //²½Êý¼õ¼ü

              if(run ==0)

              {

                     if(step_num == 0)

                     {

                            step_num = 99;

                     }else

                     {

                            step_num --;

                     }

                     DispStepNum(step_num);

              }

              break;

       case Key_speed_add:       //ËٶȼӼü

              if(run ==0)

              {

                     if(speed_num == 4)

                     {

                            speed_num = 1;

                     }else

                     {

                            speed_num ++;

                     }

                     DispSpeed(speed_num);

              }

              break;

       case Key_speed_sub: //Ëٶȼõ¼ü

              if(run ==0)

              {

                     if(speed_num == 1)

                     {

                            speed_num = 4;

                     }else

                     {

                            speed_num --;

                     }

                     DispSpeed(speed_num);

              }

              break;

       case Key_Con_Set     :      //Á¬ÐøÔËÐÐÓëÖ¸¶¨²½ÊýÔËÐÐÇл»¼ü¡£

              if(run ==0)

              {

                     if(continuous == 0)

                     {

                            continuous = 1;

                     }else

                     {

                            continuous = 0;

                     }

                     DispContinuous(continuous);

              }

              break;

              default:

              break;

       }

}

/**********************************************************************************

º¯Êý£ºSystemInit()

¹¦ÄÜ£ºÏµÍ³³õʼ»¯

**********************************************************************************/

void SystemInit()

{     //³õʼ»¯µ¥Æ¬»ú

       TMOD = 0x11;   //¶¨Ê±Æ÷ÉèÖã¬T0£¬T1·½Ê½1£º16λ¶¨Ê±Æ÷

       Delay(300);        //ÑÓʱ300msµÈ´ýZLG7290 ¸´Î»Íê±Ï

       EA = 0;

       IT0 = 1;        //INT0,¸º±ßÑØ´¥·¢ÖжÏ

       EX0 = 1;        //ÔÊÐíÍⲿÖжÏINT0

       FlagINT0 =0;

       EA = 1;

       //³õʼ»¯²½½øµç»ú¿ØÖÆÆ÷

       direction = 0;       //״̬±äÁ¿   0£­ÕýÏò£¬1£­·´Ïò

       continuous =0;    //״̬±äÁ¿   0£­Ö¸¶¨²½ÊýÔËÐУ¬1£­Á¬ÐøËÙ¶ÈÔËÐÐ

       run = 1;  //     ״̬±äÁ¿     0£­µç»úδÔËÐУ¬1£­µç»úÔËÐÐÖÐ

       speed_num =1;    //            Á¬ÐøËÙ¶ÈÔËÐбêºÅ1-4

       cur_step =0; //            °ËÅÄÔËÐÐ״̬

       step_num = 0;     //            Ö¸¶¨ÔËÐеIJ½Êý£¬·¶Î§0-99

       DispContinuous(continuous);

       DispStepNum( step_num);

       DispSpeed(speed_num );

       DispDir(direction );

       P1 = step_tab[cur_step]; //Êä³ö

}

/*********************************************************************************

                                Ö÷º¯Êýmain()

**********************************************************************************/

void main(void)

{

       SystemInit(); //ϵͳ³õʼ»¯

       while(1)      //Ñ­»·¼ì²â°´¼ü״̬

       {

              if(run ==1)

              {

                     OnContinue();

              }

       }

}

¿âº¯Êý³ÌÐò£º

/********************************************************************

                       VIIC_C51.C

  ´Ë³ÌÐòÊÇI2C²Ù×÷ƽ̨£¨Ö÷·½Ê½µÄÈí¼þƽ̨£©µÄµ×²ãµÄC×Ó³ÌÐò,Èç·¢ËÍÊý¾Ý

¼°½ÓÊÕÊý¾Ý,Ó¦´ðλ·¢ËÍ,²¢ÌṩÁ˼¸¸öÖ±½ÓÃæ¶ÔÆ÷¼þµÄ²Ù×÷º¯Êý£¬ËüºÜ·½±ãµÄ

ÓëÓû§³ÌÐòÁ¬½Ó²¢À©Õ¹..... 

 

    ×¢Òâ:º¯ÊýÊDzÉÓÃÈí¼þÑÓʱµÄ·½·¨²úÉúSCLÂö³å,¹Ì¶Ô¸ß¾§ÕñƵÂÊÒª×÷

Ò»¶¨µÄÐÞ¸Ä....(±¾ÀýÊÇ1us»úÆ÷ÖÜÆÚ,¼´¾§ÕñƵÂÊҪСÓÚ12MHZ)

********************************************************************/

 

 

             

#include <reg52.h>          /*Í·ÎļþµÄ°üº¬*/

#include <intrins.h>

#define  uchar unsigned char /*ºê¶¨Òå*/

#define  uint  unsigned int

#define  _Nop()  _nop_()        /*¶¨Òå¿ÕÖ¸Áî*/

/* ³£,±äÁ¿¶¨ÒåÇø */

                                                 /*¶Ë¿Ú붨Òå*/

sbit SDA=P1^7;            /*Ä£ÄâI2CÊý¾Ý´«ËÍλ*/

sbit SCL=P1^6;            /*Ä£ÄâI2CʱÖÓ¿ØÖÆλ*/

                                                 /*״̬±êÖ¾*/

bit ack;           /*Ó¦´ð±ê־λ*/

  

/*******************************************************************

                     Æð¶¯×ÜÏߺ¯Êý              

º¯ÊýÔ­ÐÍ: void  Start_I2c(); 

¹¦ÄÜ:       Æô¶¯I2C×ÜÏß,¼´·¢ËÍI2CÆðʼÌõ¼þ.

 

********************************************************************/

void Start_I2c()

{

  SDA=1;   /*·¢ËÍÆðʼÌõ¼þµÄÊý¾ÝÐźÅ*/

  _Nop();

  SCL=1;

  _Nop();    /*ÆðʼÌõ¼þ½¨Á¢Ê±¼ä´óÓÚ4.7us,ÑÓʱ*/

  _Nop();

  _Nop();

  _Nop();

  _Nop();   

  SDA=0;   /*·¢ËÍÆðʼÐźÅ*/

  _Nop();    /* ÆðʼÌõ¼þËø¶¨Ê±¼ä´óÓÚ4¦Ìs*/

  _Nop();

  _Nop();

  _Nop();

  _Nop();      

  SCL=0;   /*ǯסI2C×ÜÏߣ¬×¼±¸·¢ËÍ»ò½ÓÊÕÊý¾Ý */

  _Nop();

  _Nop();

}

/*******************************************************************

                      ½áÊø×ÜÏߺ¯Êý              

º¯ÊýÔ­ÐÍ: void  Stop_I2c(); 

¹¦ÄÜ:       ½áÊøI2C×ÜÏß,¼´·¢ËÍI2C½áÊøÌõ¼þ.

 

********************************************************************/

void Stop_I2c()

{

  SDA=0;  /*·¢ËͽáÊøÌõ¼þµÄÊý¾ÝÐźÅ*/

  _Nop();   /*·¢ËͽáÊøÌõ¼þµÄʱÖÓÐźÅ*/

  SCL=1;  /*½áÊøÌõ¼þ½¨Á¢Ê±¼ä´óÓÚ4¦Ìs*/

  _Nop();

  _Nop();

  _Nop();

  _Nop();

  _Nop();

  SDA=1;  /*·¢ËÍI2C×ÜÏß½áÊøÐźÅ*/

  _Nop();

  _Nop();

  _Nop();

  _Nop();

}

/*******************************************************************

                 ×Ö½ÚÊý¾Ý´«Ëͺ¯Êý              

º¯ÊýÔ­ÐÍ: void  SendByte(uchar c);

¹¦ÄÜ:  ½«Êý¾Ýc·¢ËͳöÈ¥,¿ÉÒÔÊǵØÖ·,Ò²¿ÉÒÔÊÇÊý¾Ý,·¢ÍêºóµÈ´ýÓ¦´ð,²¢¶Ô

     ´Ë״̬λ½øÐвÙ×÷.(²»Ó¦´ð»ò·ÇÓ¦´ð¶¼Ê¹ack=0 ¼Ù)    

     ·¢ËÍÊý¾ÝÕý³££¬ack=1; ack=0±íʾ±»¿ØÆ÷ÎÞÓ¦´ð»òË𻵡£

********************************************************************/

void  SendByte(uchar c)

{

 uchar BitCnt;

 for(BitCnt=0;BitCnt<8;BitCnt++)  /*Òª´«Ë͵ÄÊý¾Ý³¤¶ÈΪ8λ*/

    {

     if((c<<BitCnt)&0x80)SDA=1;   /*ÅжϷ¢ËÍλ*/

       else  SDA=0;               

     _Nop();

     SCL=1;               /*ÖÃʱÖÓÏßΪ¸ß£¬Í¨Öª±»¿ØÆ÷¿ªÊ¼½ÓÊÕÊý¾Ýλ*/

      _Nop();

      _Nop();               /*±£Ö¤Ê±ÖӸߵçƽÖÜÆÚ´óÓÚ4¦Ìs*/

      _Nop();

      _Nop();

      _Nop();        

     SCL=0;

    }

   

    _Nop();

    _Nop();

    SDA=1;               /*8λ·¢ËÍÍêºóÊÍ·ÅÊý¾ÝÏߣ¬×¼±¸½ÓÊÕÓ¦´ðλ*/

    _Nop();

    _Nop();  

    SCL=1;

    _Nop();

    _Nop();

    _Nop();

    if(SDA==1)ack=0;    

       else ack=1;        /*ÅжÏÊÇ·ñ½ÓÊÕµ½Ó¦´ðÐźÅ*/

    SCL=0;

    _Nop();

    _Nop();

}

/*******************************************************************

                 ×Ö½ÚÊý¾Ý´«Ëͺ¯Êý              

º¯ÊýÔ­ÐÍ: uchar  RcvByte();

¹¦ÄÜ:  ÓÃÀ´½ÓÊÕ´ÓÆ÷¼þ´«À´µÄÊý¾Ý,²¢ÅжÏ×ÜÏß´íÎó(²»·¢Ó¦´ðÐźÅ)£¬

     ·¢ÍêºóÇëÓÃÓ¦´ðº¯Êý¡£ 

********************************************************************/  

uchar  RcvByte()

{

  uchar retc;

  uchar BitCnt;

 

  retc=0;

  SDA=1;             /*ÖÃÊý¾ÝÏßΪÊäÈ뷽ʽ*/

  for(BitCnt=0;BitCnt<8;BitCnt++)

      {

        _Nop();          

        SCL=0;       /*ÖÃʱÖÓÏßΪµÍ£¬×¼±¸½ÓÊÕÊý¾Ýλ*/

        _Nop();

        _Nop();         /*ʱÖӵ͵çƽÖÜÆÚ´óÓÚ4.7¦Ìs*/

        _Nop();

        _Nop();

        _Nop();

        SCL=1;       /*ÖÃʱÖÓÏßΪ¸ßʹÊý¾ÝÏßÉÏÊý¾ÝÓÐЧ*/

        _Nop();

        _Nop();

        retc=retc<<1;

        if(SDA==1)retc=retc+1; /*¶ÁÊý¾Ýλ,½ÓÊÕµÄÊý¾Ýλ·ÅÈëretcÖÐ */

        _Nop();

        _Nop();

      }

  SCL=0;   

  _Nop();

  _Nop();

  return(retc);

}

/********************************************************************

                     Ó¦´ð×Óº¯Êý

Ô­ÐÍ:  void Ack_I2c(bit a);

¹¦ÄÜ:Ö÷¿ØÆ÷½øÐÐÓ¦´ðÐźÅ,(¿ÉÒÔÊÇÓ¦´ð»ò·ÇÓ¦´ðÐźÅ)

********************************************************************/

void Ack_I2c(bit a)

{

 

  if(a==0)SDA=0;     /*ÔÚ´Ë·¢³öÓ¦´ð»ò·ÇÓ¦´ðÐźŠ*/

        else SDA=1;

  _Nop();

  _Nop();

  _Nop();     

  SCL=1;

    _Nop();

    _Nop();              /*ʱÖӵ͵çƽÖÜÆÚ´óÓÚ4¦Ìs*/

    _Nop();

    _Nop();

    _Nop(); 

 SCL=0;                /*ÇåʱÖÓÏߣ¬Ç¯×¡I2C×ÜÏßÒÔ±ã¼ÌÐø½ÓÊÕ*/

    _Nop();

    _Nop();   

}

/*******************************************************************

                    ÏòÎÞ×ÓµØÖ·Æ÷¼þ·¢ËÍ×Ö½ÚÊý¾Ýº¯Êý              

º¯ÊýÔ­ÐÍ: bit  ISendByte(uchar sla,ucahr c); 

¹¦ÄÜ:     ´ÓÆô¶¯×ÜÏßµ½·¢Ë͵ØÖ·£¬Êý¾Ý£¬½áÊø×ÜÏßµÄÈ«¹ý³Ì,´ÓÆ÷¼þµØÖ·sla.

           Èç¹û·µ»Ø1±íʾ²Ù×÷³É¹¦£¬·ñÔò²Ù×÷ÓÐÎó¡£

×¢Ò⣺    ʹÓÃÇ°±ØÐëÒѽáÊø×ÜÏß¡£

********************************************************************/

bit ISendByte(uchar sla,uchar c)

{

   Start_I2c();               /*Æô¶¯×ÜÏß*/

   SendByte(sla);            /*·¢ËÍÆ÷¼þµØÖ·*/

     if(ack==0)return(0);

   SendByte(c);               /*·¢ËÍÊý¾Ý*/

     if(ack==0)return(0);

  Stop_I2c();                 /*½áÊø×ÜÏß*/

  return(1);

}

/*******************************************************************

                    ÏòÓÐ×ÓµØÖ·Æ÷¼þ·¢ËͶà×Ö½ÚÊý¾Ýº¯Êý              

º¯ÊýÔ­ÐÍ: bit  ISendStr(uchar sla,uchar suba,ucahr *s,uchar no); 

¹¦ÄÜ:     ´ÓÆô¶¯×ÜÏßµ½·¢Ë͵ØÖ·£¬×ÓµØÖ·,Êý¾Ý£¬½áÊø×ÜÏßµÄÈ«¹ý³Ì,´ÓÆ÷¼þ

          µØÖ·sla£¬×ÓµØÖ·suba£¬·¢ËÍÄÚÈÝÊÇsÖ¸ÏòµÄÄÚÈÝ£¬·¢ËÍno¸ö×Ö½Ú¡£

           Èç¹û·µ»Ø1±íʾ²Ù×÷³É¹¦£¬·ñÔò²Ù×÷ÓÐÎó¡£

×¢Ò⣺    ʹÓÃÇ°±ØÐëÒѽáÊø×ÜÏß¡£

********************************************************************/

bit ISendStr(uchar sla,uchar suba,uchar *s,uchar no)

{

   uchar i;

   Start_I2c();               /*Æô¶¯×ÜÏß*/

   SendByte(sla);            /*·¢ËÍÆ÷¼þµØÖ·*/

     if(ack==0)return(0);

   SendByte(suba);            /*·¢ËÍÆ÷¼þ×ÓµØÖ·*/

     if(ack==0)return(0);

   for(i=0;i<no;i++)

    {  

     SendByte(*s);               /*·¢ËÍÊý¾Ý*/

       if(ack==0)return(0);

     s++;

    }

 Stop_I2c();                 /*½áÊø×ÜÏß*/

  return(1);

}

/*******************************************************************

                    ÏòÎÞ×ÓµØÖ·Æ÷¼þ¶Á×Ö½ÚÊý¾Ýº¯Êý              

º¯ÊýÔ­ÐÍ: bit  IRcvByte(uchar sla,ucahr *c); 

¹¦ÄÜ:     ´ÓÆô¶¯×ÜÏßµ½·¢Ë͵ØÖ·£¬¶ÁÊý¾Ý£¬½áÊø×ÜÏßµÄÈ«¹ý³Ì,´ÓÆ÷¼þµØ

          Ö·sla£¬·µ»ØÖµÔÚc.

           Èç¹û·µ»Ø1±íʾ²Ù×÷³É¹¦£¬·ñÔò²Ù×÷ÓÐÎó¡£

×¢Ò⣺    ʹÓÃÇ°±ØÐëÒѽáÊø×ÜÏß¡£

********************************************************************/

bit IRcvByte(uchar sla,uchar *c)

{

   Start_I2c();                /*Æô¶¯×ÜÏß*/

   SendByte(sla+1);           /*·¢ËÍÆ÷¼þµØÖ·*/

     if(ack==0)return(0);

   *c=RcvByte();               /*¶ÁÈ¡Êý¾Ý*/

     Ack_I2c(1);               /*·¢ËͷǾʹðλ*/

  Stop_I2c();                  /*½áÊø×ÜÏß*/

  return(1);

}

/*******************************************************************

                    ÏòÓÐ×ÓµØÖ·Æ÷¼þ¶ÁÈ¡¶à×Ö½ÚÊý¾Ýº¯Êý              

º¯ÊýÔ­ÐÍ: bit  ISendStr(uchar sla,uchar suba,ucahr *s,uchar no); 

¹¦ÄÜ:     ´ÓÆô¶¯×ÜÏßµ½·¢Ë͵ØÖ·£¬×ÓµØÖ·,¶ÁÊý¾Ý£¬½áÊø×ÜÏßµÄÈ«¹ý³Ì,´ÓÆ÷¼þ

          µØÖ·sla£¬×ÓµØÖ·suba£¬¶Á³öµÄÄÚÈÝ·ÅÈësÖ¸ÏòµÄ´æ´¢Çø£¬¶Áno¸ö×Ö½Ú¡£

           Èç¹û·µ»Ø1±íʾ²Ù×÷³É¹¦£¬·ñÔò²Ù×÷ÓÐÎó¡£

×¢Ò⣺    ʹÓÃÇ°±ØÐëÒѽáÊø×ÜÏß¡£

********************************************************************/

bit IRcvStr(uchar sla,uchar suba,uchar *s,uchar no)

{

   uchar i;

   Start_I2c();               /*Æô¶¯×ÜÏß*/

   SendByte(sla);            /*·¢ËÍÆ÷¼þµØÖ·*/

     if(ack==0)return(0);

   SendByte(suba);            /*·¢ËÍÆ÷¼þ×ÓµØÖ·*/

     if(ack==0)return(0);

   Start_I2c();

   SendByte(sla+1);

      if(ack==0)return(0);

   for(i=0;i<no-1;i++)

    {  

     *s=RcvByte();               /*·¢ËÍÊý¾Ý*/

      Ack_I2c(0);                /*·¢Ë;ʹðλ*/ 

     s++;

    }

   *s=RcvByte();

    Ack_I2c(1);                 /*·¢ËÍ·ÇӦλ*/

 Stop_I2c();                    /*½áÊø×ÜÏß*/

  return(1);

}

                        /*    Íê±Ï      */

7290¿ØÖÆÊýÂë¹Ü³ÌÐò£º

/****************************************Copyright (c)**************************************************

**                               ¹ãÖÝÖÜÁ¢¹¦µ¥Æ¬»ú·¢Õ¹ÓÐÏÞ¹«Ë¾

**                                     ÑР   ¾¿    Ëù

**                                        ²úÆ·Ò»²¿

**

**                                 http://www.zlgmcu.com

**

**--------------ÎļþÐÅÏ¢--------------------------------------------------------------------------------

**ÎÄ   ¼þ   Ãû: ZLG7290.C

**´´   ½¨   ÈË: Ò¶ð©êÚ

**×îºóÐÞ¸ÄÈÕÆÚ:  20##-3-4

**Ãè        Êö: ZLG7290¿âº¯Êý³ÌÐò

**

**--------------ÀúÊ·°æ±¾ÐÅÏ¢----------------------------------------------------------------------------

** ´´½¨ÈË: Ò¶ð©êÚ

** °æ  ±¾: 0.01

** ÈÕ¡¡ÆÚ: 20##-3-4

** Ãè¡¡Êö: ZLG7290¿âº¯Êý³ÌÐò

**

**------------------------------------------------------------------------------------------------------

** ÐÞ¸ÄÈË:

** °æ  ±¾:

** ÈÕ¡¡ÆÚ:

** Ãè¡¡Êö:

**

**--------------µ±Ç°°æ±¾ÐÞ¶©------------------------------------------------------------------------------

** ÐÞ¸ÄÈË:

** ÈÕ¡¡ÆÚ:

** Ãè¡¡Êö:

**

**------------------------------------------------------------------------------------------------------

********************************************************************************************************/

#include "REG52.h"

#include "viic_c51.h"

#define zlg7290 0x70 //ZLG7290µÄIICµØÖ·

#define SubKey  0x01

#define SubCmdBuf 0x07

#define SubDpRam 0x10

/*********************************************************************************************************

** º¯ÊýÃû³Æ:    DelayNS

** ¹¦ÄÜÃèÊö:    ³¤Èí¼þÑÓʱ

** Êä¡¡Èë: i :     ÑÓʱ²ÎÊý£¬ÖµÔ½´óʱÑÓʱԽ¾Ã

**        

** Êä¡¡³ö: ÎÞ

** È«¾Ö±äÁ¿:     ÎÞ

** µ÷ÓÃÄ£¿é:    ÎÞ

**

** ×÷¡¡Õß: Ò¶ð©êÚ

** ÈÕ¡¡ÆÚ: 20##-3-4

**-------------------------------------------------------------------------------------------------------

** ÐÞ¸ÄÈË:

** ÈÕ¡¡ÆÚ:

**------------------------------------------------------------------------------------------------------

********************************************************************************************************/

void delayMS(unsigned char i)

{

       unsigned char j,k;

       for(k=0;k<i;k++)

              for(j=0;j<60;j++);

}

/*********************************************************************************************************

** º¯ÊýÃû³Æ:    ZLG7290_SendData

** ¹¦ÄÜÃèÊö:    ·¢ËÍÊý¾Ý

** Êä¡¡Èë:SubAdd : ÊäÈëÊý¾Ý

**       DATA     :      ÊäÈëÖµ

**        

** Êä¡¡³ö: 0 £º Fail

**        1 :  OK

** È«¾Ö±äÁ¿:     ÎÞ

** µ÷ÓÃÄ£¿é:    delayMS

**

** ×÷¡¡Õß: Ò¶ð©êÚ

** ÈÕ¡¡ÆÚ: 20##-3-4

**-------------------------------------------------------------------------------------------------------

** ÐÞ¸ÄÈË:

** ÈÕ¡¡ÆÚ:

**------------------------------------------------------------------------------------------------------

********************************************************************************************************/

unsigned char ZLG7290_SendData(unsigned char SubAdd,unsigned char Data)

{

       if(SubAdd>0x17)

              return 0;

       ISendStr(zlg7290,SubAdd,&Data,1);

       delayMS(10);

       return 1;

}

/*********************************************************************************************************

** º¯ÊýÃû³Æ:    ZLG7290_SendCmd

** ¹¦ÄÜÃèÊö:    ·¢ËÍÃüÁ¶Ô×ÓµØÖ·7¡¢8£©

** Êä¡¡Èë:DATA1  :     ÃüÁî1

**       DATA2   :      ÃüÁî2

**        

** Êä¡¡³ö: 0 £º Fail

**        1 :  OK

** È«¾Ö±äÁ¿:     ÎÞ

** µ÷ÓÃÄ£¿é:    ISendStr¡¢delayMS

**

** ×÷¡¡Õß: Ò¶ð©êÚ

** ÈÕ¡¡ÆÚ: 20##-3-4

**-------------------------------------------------------------------------------------------------------

** ÐÞ¸ÄÈË:

** ÈÕ¡¡ÆÚ:

**------------------------------------------------------------------------------------------------------

********************************************************************************************************/

unsigned char ZLG7290_SendCmd(unsigned char Data1,unsigned char Data2)

{

unsigned char Data[2];

       Data[0]=Data1;

       Data[1]=Data2;

       ISendStr(zlg7290,0x07,Data,2);

       delayMS(10);

       return 1;

} 

/*********************************************************************************************************

** º¯ÊýÃû³Æ:    ZLG7290_SendBuf

** ¹¦ÄÜÃèÊö:    ÏòÏÔʾ»º³åÇø·¢ËÍÊý¾Ý

** Êä¡¡Èë: * disp_buf  :      Òª·¢ËÍÊý¾ÝµÄÆðʼµØÖ·

**         num            :      ·¢Ë͸öÊý

**        

** Êä¡¡³ö: ÎÞ

** È«¾Ö±äÁ¿:     ÎÞ

** µ÷ÓÃÄ£¿é:    ZLG7290_SendCmd

**

** ×÷¡¡Õß: Ò¶ð©êÚ

** ÈÕ¡¡ÆÚ: 20##-3-4

**-------------------------------------------------------------------------------------------------------

** ÐÞ¸ÄÈË:

** ÈÕ¡¡ÆÚ:

**------------------------------------------------------------------------------------------------------

********************************************************************************************************/

void ZLG7290_SendBuf(unsigned char * disp_buf,unsigned char num)

{

       unsigned char i;

       for(i=0;i<num;i++)

       {    

              ZLG7290_SendCmd(0x60+i,*disp_buf);

              disp_buf++;

       }

}

/*********************************************************************************************************

** º¯ÊýÃû³Æ:    ZLG7290_GetKey

** ¹¦ÄÜÃèÊö:    ¶ÁÈ¡¼üÖµ

** Êä¡¡Èë: ÎÞ

**         

** Êä¡¡³ö: >0  ¼üÖµ

**        =0  ÎÞ¼ü°´ÏÂ

** È«¾Ö±äÁ¿:     ÎÞ

** µ÷ÓÃÄ£¿é:    IRcvStr¡¢delayMS

**

** ×÷¡¡Õß: Ò¶ð©êÚ

** ÈÕ¡¡ÆÚ: 20##-3-4

**-------------------------------------------------------------------------------------------------------

** ÐÞ¸ÄÈË:

** ÈÕ¡¡ÆÚ:

**------------------------------------------------------------------------------------------------------

********************************************************************************************************/

unsigned char      ZLG7290_GetKey()

{

unsigned char rece;

       rece=0;

       IRcvStr(zlg7290,1,&rece,1);

       delayMS(10);

       return rece;

}

¸½Â¼¡¾¶þ¡¿²Î¿¼ÎÄÏ×

[1] ¶Î³¿¶« µ¥Æ¬»úÔ­Àí¼°½Ó¿Ú¼¼Êõ [M].Ç廪´óѧ³ö°æÉç 2008.7µÚ1°æ

[2] Áõ±¦ÑÓ¡¢³ÌÊ÷¿µ£¬²½½øµç¶¯»ú¼°ÆäÇý¶¯¿ØÖÆϵͳ [M].1997Äê11ÔµÚÒ»°æ

[3] ÍõÊØÖС¢ÄôÔªÃú 51µ¥Æ¬»ú¿ª·¢ÈëÃÅÓëµäÐÍÊÂÀý [M].ÈËÃñÓʵç³ö°æÉç2009.10µÚ¶þ°æ

[4] Ê·¾´×Æ£¬ ²½½øµç¶¯»úËÅ·þ¿ØÖƼ¼Êõ[M] .20##Äê3ÔµÚ2°æ