Method for realizing DDS service on embedded sensor access platform
An embedded and sensor technology, applied in the direction of instruments, transmission systems, inter-program communication, etc., can solve problems such as increased hardware costs, affecting system message communication, lack of exception recovery mechanism, etc., to achieve high stability, reduce costs, and improve exceptions The effect of the recovery mechanism
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[0029] DDS service is widely used in the field of industrial control, which is convenient for multi-sensor access and data communication, and has the advantage of integrating AUTOSAR. This solution is based on DDS service to complete sensor data communication.
[0030] Such as figure 1 As shown, this solution uses a low-cost MCU (Microcontroller Unit) for sensor access. The MCU usually has a USB port, an Ethernet port, a serial port, and a CAN bus to facilitate sensor access; it is equipped with an embedded real-time operating system (such as FreeRTOS), and Realize the streamlined Micro DDS service that conforms to the DDS specification, communicate with the data processing unit through the DDS service, and complete the release of sensor data, and the data processing is completed by the high-performance data processing unit.
[0031] Such as figure 2 As shown, the DDS service is implemented based on the embedded system, and the message exchange completely complies with the ...
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