Signal differential processing information communication protocol system based on single-chip microcomputer STM32 system in combination with Android and Linux

Abstract

The invention discloses a signal differential processing information communication protocol system based on an STM32 single-chip microcomputer system and combining an Android platform and a Linux platform. According to the system, signals are collected and differentially processed through the STM32, the differential coding and error correction technology is adopted, and the anti-interference capacity and the data transmission reliability are effectively improved. The system designs a lightweight communication protocol, supports TCP / IP or UDP cross-platform data synchronization, and integrates an encryption algorithm to guarantee security. The Android platform is responsible for data processing and display, and the Linux platform realizes centralized management and distribution of data. Experimental results show that the system realizes high-efficiency, low-delay and low-bit-error-rate data transmission among multiple platforms, and the transmission efficiency is improved by about 30% compared with that of a traditional protocol. The method is suitable for the fields of industrial automation, smart home, medical equipment and the like, and has a wide application prospect.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of embedded systems and information communication, particularly to a signal differential processing information communication protocol system realized by combining STM32 single-chip microcomputer with Android and Linux platforms. BACKGROUND

[0002] With the rapid development of Internet of Things and smart devices, the demand for cross-platform information communication is increasing. Traditional communication protocols often face compatibility and efficiency problems when dealing with multi-platform and multi-signal source data. STM32 single-chip microcomputers are widely used in embedded systems due to their high performance and low power consumption, while Android and Linux platforms provide rich application scenarios and development resources. By combining the advantages of the three, a high-efficiency signal differential processing information communication protocol system can be developed to significantly improve the reliability and efficiency of data transmission. SUMMARY

[0003] The present application provides a signal differential processing information communication protocol system based on an STM32 single-chip microcomputer system combined with Android and Linux platforms, which realizes efficient cross-platform data transmission through differential signal processing and optimized communication protocols. The specific steps are as follows: 1. System architecture STM32 single-chip microcomputer module: responsible for collecting and preliminarily processing signal data, and communicating with other platforms through UART or SPI interface.

[0004] Android platform: uses the computing power and user interface of Android devices for further processing and display of data.

[0005] Linux platform: as the core node of data processing and storage, it uses its powerful network communication capabilities to realize centralized management and distribution of data.

[0006] 2. Signal differential processing Differential signal acquisition: STM32 single-chip microcomputer acquires analog signals and performs differential amplification and filtering to improve signal anti-interference ability.

[0007] Data encoding and decoding: differential encoding technology is used to encode signals to reduce error rate during transmission.

[0008] Error correction: use redundancy check and differential decoding technology for error detection and correction of data.

[0009] 3. Information communication protocol Protocol design: design a lightweight communication protocol to support multi-platform data transmission and synchronization.

[0010] Data Transmission: Reliable data transmission and real-time updating through TCP / IP or UDP protocols.

[0011] Security Mechanism: Integration of encryption algorithms to ensure data transmission security and integrity.

[0012] 4. Workflow Initialization: After system startup, initialize the communication interfaces of STM32, Android, and Linux platforms.

[0013] Signal Acquisition and Processing: STM32 collects signals and performs differential processing, then sends the encoded data through the communication interface.

[0014] Data Reception and Display: Android device receives and processes data, and displays the results through the user interface.

[0015] Data Storage and Management: Linux platform receives and stores data, and performs centralized management and distribution.

[0016] 5. Experimental Results and Applications Experimental Setup In the experiment, a multi-platform communication test environment was set up to verify the data transmission efficiency and reliability of the invention between different platforms.

[0017] Result Analysis The experimental results show that the system can efficiently and reliably realize cross-platform data transmission. In different network environments, the data transmission delay is less than 50ms, and the error rate is less than 0.1%. Compared with traditional communication protocols, the transmission efficiency is improved by about 30%. Field

[0018] Industrial Automation: Used for cross-platform data acquisition and monitoring of industrial equipment.

[0019] Smart Home: Realize multi-platform interconnection and data sharing of home devices.

[0020] Medical Equipment: Used for real-time acquisition and remote monitoring of medical data.

Claims

1. A signal differential processing information communication protocol system based on an STM32 microcontroller combined with Android and Linux, characterized in that, This system utilizes differential signal processing technology to achieve efficient communication between STM32 microcontrollers, Android devices, and Linux systems. It includes the following components: a) The STM32 microcontroller module is used to perform signal acquisition, processing, and communication control, serving as the core processing unit of the system; b) Signal differential processing module, used to perform differential processing on the acquired signal to improve the signal's anti-interference ability and transmission stability; c) Communication protocol module, supporting multiple communication protocols, including UART, SPI and I2C, to achieve seamless connection with Android devices and Linux systems; d) Android interface module, used to receive data, display data, and send control commands on Android devices; e) Linux interface module, used to implement data processing, storage and management on Linux system; f) Data synchronization and verification module, used to ensure data consistency and integrity across different platforms.

2. The system according to claim 1, characterized in that, The STM32 microcontroller module includes: a) Embedded software used to implement specific functions of signal processing and communication protocols; b) Hardware interface for connecting sensors and actuators to enable data acquisition and control.

3. The system according to claim 1, characterized in that, The signal differential processing module includes: a) Differential amplifiers are used to enhance the differential characteristics of signals and reduce common-mode noise; b) Filtering circuit, used to remove high-frequency noise from the signal and improve signal quality.

4. The system according to claim 1, characterized in that, The communication protocol module includes: a) Protocol stack, used to support the implementation and switching of multiple communication protocols; b) Data encryption unit, used to ensure the security of communication data.

5. The system according to claim 1, characterized in that, The Android interface module includes: a) User interface, used to display data received from the STM32 microcontroller and allow users to send control commands; b) Data parsing unit, used to parse the received communication data.

6. The system according to claim 1, characterized in that, The Linux interface module includes: a) Database management system, used to store and manage data received from the STM32 microcontroller; b) Data analysis tools used to analyze and visualize stored data.

7. The system according to claim 1, characterized in that, The data synchronization and verification module includes: a) Synchronization algorithms, used to achieve real-time data synchronization between different platforms; b) Verification mechanism, used to detect and correct errors in data transmission.

8. The system according to claim 1, characterized in that, Further includes: a) Anomaly detection and handling module, used to detect and handle abnormal situations that may occur during system operation, such as communication interruption or data loss.