Abstract
Both controller area network (CAN) and wireless local area network (WLAN) bus technologies are developing rapidly nowadays. But the study on WLAN technology with CAN bus data is relative to be less researched. So a WLAN CAN bus data test system was present in this paper. The system hardware consists of two control modules, each of which consistently allows link test to the CAN bus network. Each hardware of the module is composed by a microcontroller STC12C5410AD, a CAN bus control unit MCP2515, a CAN bus transceiver MCP2551 and a RF wireless module RF903. During the test process, the CAN bus analyzer, Kvaser USBCAN II, receives and dispatches the CAN messages. Test results showed that the system’s error score was approximately zero when messages are transmitted and the system can message transmission from one side of CAN panel point to the other side. The communication of the system is suitable for the CAN treaty standard and it can allow wireless message transmission to other suitable networks meeting the CAN treaty standard as well. Finally the system has been applied to the project for hill citrus leaf area index (LAI) acquisition.
Published Version
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