| 利用保留位实现CAN控制器地址空间自动配置 |
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| 引用本文： | 周博,席志红. 利用保留位实现CAN控制器地址空间自动配置[J]. 应用科技, 2011, 0(7): 12-15,63 |
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| 作者姓名： | 周博 席志红 |
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| 作者单位： | 哈尔滨工程大学信息与通信工程学院; |
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| 摘 要： | 提出了一种在CAN总线中实现CAN控制器地址空间自动配置的新方法，该方法是在CAN网络节点的地址配置初始化过程中，使用了CAN协议扩展帧中的2个保留位，利用这2个保留位构成了3种状态：地址获得、地址分配待定、地址声明优先．基于这3种状态，设计了实现CAN控制器地址空间自动配置的一种新的应用层协议，其工作过程以有限状态机的形式给出．
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| 关 键 词： | CAN总线 CAN协议 地址空间自动配置 |
Automatic address space configuration in CAN controllers using reserved bits |
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| ZHOU Bo,XI Zhihong. Automatic address space configuration in CAN controllers using reserved bits[J]. Applied Science and Technology, 2011, 0(7): 12-15,63 |
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| Authors: | ZHOU Bo XI Zhihong |
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| Affiliation: | ZHOU Bo,XI Zhihong (College of Information and Communication Engineering,Harbin Engineering University,Harbin 150001,China) |
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| Abstract: | A new technique for automatic address space configuration in CAN bus is proposed in this work.The proposed technique is to use two reserved bits of CAN extended identifier field in the initial address assignment process.These reserved bits can be in one of the following three states: Address Acquired,Address Assignment Pending and Address Claim Override.An address configuration protocol is proposed based upon these added states and a finite state machine for the protocol is also shown. |
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| Keywords: | CAN-bus CAN protocol automatic address space configuration |
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