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ÇѱÛÇ¥Áظí Plug&Play±â¹Ý USN ¼¾¼­ Á¢±Ù ÀÎÅÍÆäÀ̽º – Á¦3ºÎ : ¼¾¼­ µð¹ÙÀ̽º µå¶óÀ̹ö¸¦ À§ÇÑ HAL ¶óÀ̺귯¸®
¿µ¹®Ç¥Áظí Plug&Play based USN Sensor Access Interface – Part3 : HAL Library for Sensor Device Driver
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº ¼¾¼­ ³ëµå¿¡ ¼¾¼­¸¦ žÀç ½Ã Ç÷¯±×¾ØÇ÷¹ÀÌ ±â´ÉÀÌ °¡´ÉÇϵµ·Ï ÇÏ´Â ¼¾¼­ µð¹ÙÀ̽º µå¶óÀ̹ö¸¦ À§ÇÑ HAL ¶óÀ̺귯¸®¸¦ Á¦Á¤Çϱâ À§ÇÑ °ÍÀÌ´Ù.
Ç÷¯±×¾ØÇ÷¹ÀÌ ¼¾¼­ ÀÎÅÍÆäÀ̽º Ç÷§ÆûÀº Å©°Ô Ç÷¯±×¾ØÇ÷¹ÀÌ Áö¿ø ¼¾¼­ ³ëµå Ç÷§Æû, Ç÷¯±×¾ØÇ÷¹ÀÌ ¼¾¼­ ¸ðµâ, ¼¾¼­ µð¹ÙÀ̽º µå¶óÀ̹ö °ü¸®·Î ±¸¼ºµÈ´Ù. ¼¾¼­ ³ëµå Ç÷§Æû°ú Ç÷¯±×¾ØÇ÷¹ÀÌ ¼¾¼­ ¸ðµâÀº ´Ù¾çÇÑ ¼¾¼­¸¦ ¼ö¿ëÇϱâ À§ÇÑ Ç¥ÁØÈ­µÈ ¼¾¼­ H/W ÀÎÅÍÆäÀ̽º·Î ¿¬°áµÈ´Ù.
¼¾¼­ ³ëµå Ç÷§Æû¿¡ ¼¾¼­ ¸ðµâÀ» Á¢¼Ó ½Ã Ç÷¯±×¾ØÇ÷¹ÀÌ ±â¹ÝÀ¸·Î ¼¾¼­¸¦ ½Äº°ÇÏ°í À̸¦ ÀÚµ¿À¸·Î ÀνÄÇÏ¿© µ¿ÀÛÇϱâ À§Çؼ­´Â Á¤ÇØÁø ±ÔÄ¢¿¡ ÀÇÇØ ÀÛ¼ºµÈ ¼¾¼­ µð¹ÙÀ̽º µå¶óÀ̹ö°¡ ¼¾¼­ ¸ðµâ¿¡ žÀçµÇ¾î ÀÖ¾î¾ß ÇÑ´Ù. À̸¦ À§ÇØ HAL µð¹ÙÀ̽º µå¶óÀ̹ö¿¡ ´ëÇÑ Á¤ÀÇ, µ¥ÀÌÅÍ Çü½Ä, ÀÛ¼º ¹æ¹ý µî¿¡ ±ÔÄ¢À» Ç¥ÁØÈ­ÇÒ ÇÊ¿ä°¡ ÀÖ´Ù.
º» Ç÷¯±×¾ØÇ÷¹ÀÌ ¼¾¼­ µð¹ÙÀ̽º µå¶óÀ̹ö¸¦ À§ÇÑ HAL ¶óÀ̺귯¸®´Â ±âº»ÀûÀ¸·Î ¼¾¼­ ¸ðµâ¿¡ ³»ÀåµÇ¸ç, ¼¾¼­ µð¹ÙÀ̽º µå¶óÀ̹ö °³¹ßÀڵ鿡°Ô ¼¾¼­ µð¹ÙÀ̽º µå¶óÀ̹ö¸¦ ¸¸µé ¶§ ÇÊ¿äÇÑ HALÀÇ ÇÔ¼öµéÀ» ¼³¸íÇÑ´Ù. ¶ÇÇÑ ¼¾¼­ Á¾·ùº°·Î ¿¹¸¦ µé¾î µð¹ÙÀ̽º µå¶óÀ̹ö ÀÛ¼º¹ýÀ» Á¦½ÃÇÑ´Ù. ¼¾¼­ µð¹ÙÀ̽º °ü¸®ÀÚ°¡ »ç¿ëÀ» À§ÇÑ Á¤ÇØÁø ±ÔÄ¢À» Á¦°øÇϱâ À§ÇÑ ±¸Á¶¸¦ Á¦½ÃÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard is to establish HAL (Hardware Abstraction Layer) library for sensor device driver to execute Plug & Play, when you plug a sensor into the platform. Plug&Play sensor interface platform consists of support sensor node platform, Plug & Play sensor module and sensor device driver management. Sensor node platform and Plug & Play sensor module is connected to standardized H/W interface for accepting diversity sensor.
Plug & Play sensor module is embedded sensor. Sensor module is connected to sensor node. It is consist of sensor, sensor ID block, sensor device driver block, power control block and external interface. Plug & Play support sensor node platform is consist of sensor ID, device driver handling, sensor H/W interface Handling and approach sensor standard API.
For accessing a sensor node platform module and distinguishing sensor using Plug & Play base, sensor device driver must be embedded in sensor module which is constructed by the given rules. To achieve this, we need to establish the rule such as HAL device driver definition, data format and method.
HAL library is basically embedded in sensor module for this Plug & Play senor device driver and describe Hardware Abstraction Layer function which needs for developing sensor device driver to sensor device driver developer. and also it suggest how to code device driver by classifying sensor. Sensor device manager suggest for using the given rule.
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