A Simplex Asynchronous Manchester Code Receiving and Decoding Method

A decoding method and asynchronous technology, applied in the field of communication, can solve the problems of multi-line resources and hardware resources, consumption, etc., achieve the effect of simplifying line resources and hardware resources, filtering out interference and glitches, and good error detection and fault tolerance effects

Active Publication Date: 2021-07-06
北方天穹信息技术(西安)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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And it consumes more line resources and hardware resources

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  • A Simplex Asynchronous Manchester Code Receiving and Decoding Method
  • A Simplex Asynchronous Manchester Code Receiving and Decoding Method
  • A Simplex Asynchronous Manchester Code Receiving and Decoding Method

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Embodiment 1

[0038] The output of the digital temperature acquisition probe adopts the form of simplex asynchronous Manchester code, and the output data adopts the form of single-line and one-way to send the collected temperature data to the FPGA chip. Use the present invention to receive and process inside the FPGA chip, and the composition of the single-line simplex temperature acquisition system in this embodiment is shown figure 2 . The temperature acquisition value received and processed by the FPGA chip is sent to the MCU, and the MCU performs small deviation average processing on multiple acquisition values.

[0039] The model of the digital temperature acquisition probe of the present embodiment is TSIC306, the FPGA adopts the EP4CE10E22I7N chip of INTEL (Intel) Company, and the MCU adopts the STM32F407ZGT6 chip of ST (Standard Semiconductor) Company. The output data rate of digital temperature acquisition in this embodiment is 8kbps, and one temperature acquisition value contain...

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Abstract

The invention discloses a simplex asynchronous Manchester code receiving and decoding method, relates to the communication field, and improves the shortcomings of the existing simplex asynchronous Manchester code receiving and processing method. The present invention expands the hardware platform adapted to the original asynchronous Manchester code, changes the original C language code into hardware language code, and expands from being applicable to MCU type chips to FPGA type chips; the present invention can receive multiple channels on an FPGA chip The asynchronous Manchester code data stream has the characteristics of concurrency, real-time, single-line, and high speed; the invention only needs a small scale of software and hardware to achieve better error detection and tolerance effects, and achieves a better balance between complexity and performance. In the reception and decoding of asynchronous Manchester codes.

Description

technical field [0001] The invention relates to the communication field, in particular to a simplex asynchronous Manchester code receiving and decoding method. Background technique [0002] Asynchronous Manchester code is a communication coding method that uses phase coding. It determines whether the transmitted symbol is 0 or 1 through the duration of high and low levels and the contextual relationship within a symbol period. During synchronous transmission, the sending end should send out the data signal and the symbol clock signal at the same time, and the receiving end uses the received clock signal to sample the received data and restore the symbol data. During asynchronous transmission, the sending end only sends the symbol signal and does not send the clock signal. Generally, the synchronization header is sent before the symbol data. The receiving end regenerates the local clock according to the received synchronization header, and the local clock samples and recovers...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H03M5/12
Inventor 陈瑞
Owner 北方天穹信息技术(西安)有限公司
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