CN103389959B - A kind of Modular multi-data conversion equipment and conversion method thereof - Google Patents

Abstract

A modular multi-data conversion device and conversion method thereof, its modular multi-data conversion device consists of a core control module based on an ARM Cortex core microprocessor, a power supply module, a keyboard module, an LCD display module and an optional communication module : Bluetooth module, Zigbee module, CAN module, RS485 module, Profibus module. The modular multi-data conversion device can be plugged with an optional communication module on the communication interface of the core control module of the ARM Cortex core microprocessor according to actual needs, so as to realize data format conversion and data transmission among various communication data. This device adopts a high-performance microprocessor based on the ARM Cortex core as the core control chip design. The hardware adopts a modular installation method with tailorability. At the same time, it uses the high-speed processing characteristics of the ARM Cortex core microprocessor to facilitate Realize the data conversion and data transmission functions between various communication data, and have the advantages of fast processing response speed, small size, high flexibility, and strong environmental adaptability.

Description

A modular multi-data conversion device and its conversion method

technical field

The invention belongs to the technical field of multi-data communication conversion based on ARM Cortex core microprocessor. In particular, a modular installation, multi-data conversion device and data conversion method.

Background technique

Fieldbus is a two-way serial multi-node digital communication system used between on-site measurement and control equipment in industrial production, and between on-site measurement and control equipment and the control room. At present, fieldbus technology, industrial Ethernet and wireless communication technology have been widely used in the field of industrial production, and the industrial field control network has now become an indispensable part of the industrial control process system. The coexistence of multiple communication bus protocols and multiple industry communication standards.

At present, there are data converter products with different functions in the domestic and foreign markets, such as Advantech's ADAM-4520 isolated RS232/RS485 converter; Beijing Dingshi Innovation Technology Co., Ltd.'s RS232/485 to Profibus and RS232/485 CAN-to-CAN bus interface products; technology of "a dual field bus interface converter" (CN200810048932.8), technology of "two-way communication conversion method between HBS bus communication protocol and RS-485 bus communication protocol" (CN201010140325.1) , "An intelligent switching power supply communication protocol converter" (CN200620155551.6), the technology of "communication protocol interface system and method" (CN200610003054.9), "ARM-based multi-serial port communication protocol converter" (CN201220398667. 8) technology, "Gateway communication protocol conversion method for wireless sensor network access to Modbus bus" (CN201010529440.8), etc. These technical researches and products have made some progress in the application of data conversion, but the conversion function of the interface still cannot meet the needs of data conversion of multi-field bus control network in the field of industrial process control.

Contents of the invention

The purpose of the present invention is to provide a modular multi-data conversion device and conversion method thereof based on an ARM Cortex core microprocessor, the hardware adopts a modular installation that can be cut, and the volume is small. The present invention is based on an ARM Cortex core microprocessor chip The high-performance processing capability and the hardware tailorability of the communication module can appropriately increase or decrease the number of communication modules according to the needs of the conversion function, and realize the conversion and data transmission of communication data between different communication protocol devices, so as to realize the communication between different bus network devices. Network management and resource sharing achieve the goal of saving money.

In order to achieve the above-mentioned purpose, technical scheme of the present invention is: be made up of core control module based on ARM Cortex core microprocessor, power supply module, keyboard module, LCD display module and communication module, described communication module is bluetooth module , Zigbee module, CAN module, RS485 module and Profibus module, the conversion device can be plugged with an optional communication module on the communication interface of the core control module of the ARM Cortex core microprocessor as required, It is very convenient to realize the functions of data format conversion and data transmission among various communication data. in:

The voltage input end of the core control module of the ARM Cortex core microprocessor is connected with the voltage output end of the power supply module; The input I/O end is connected; the LCD control end and the LCD data end of the LCD display module are respectively connected with the LCD control I/O end and the LCD data end of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor; The Bluetooth control terminal and the Bluetooth data terminal of the Bluetooth module are respectively connected with the Bluetooth control I/O terminal and the Bluetooth data terminal of the ARM Cortex core microprocessor through the Bluetooth interface of the core control module of the ARM Cortex core microprocessor; the Zigbee control of the Zigbee module The terminal and the Zigbee data terminal are respectively connected with the Zigbee control I/O terminal and the Zigbee data I/O terminal of the ARM Cortex core microprocessor through the Zigbee interface of the core control module of the ARM Cortex core microprocessor; the CAN data terminal of the CAN module is connected through The CAN interface of the core control module of the ARM Cortex core microprocessor is respectively connected to the CAN data terminal of the ARM Cortex core microprocessor; The interface is respectively connected with the RS485 data terminal and the RS485 control I/O terminal of the ARM Cortex core microprocessor; the Profibus control terminal, the Profibus data terminal and the Profibus address terminal of the Profibus module pass through the Profibus interface of the core control module of the ARM Cortex core microprocessor Connect to the Profibus control I/O port, Profibus data port, and Profibus address port of the ARM Cortex core microprocessor respectively; the serial port data port of the ARM Cortex core microprocessor is connected to the serial port data port of the RS232 serial port module, and the serial port The data terminal is connected to the serial port data terminal of the RS232 device; the EEPROM data terminal and EEPROM control terminal of the ARM Cortex core microprocessor are connected to the EEPROM data and EEPROM control terminal of the EEPROM memory; the SRAM data terminal and SRAM address of the ARM Cortex core microprocessor The terminal and the SRAM control I/O port are respectively connected to the SRAM data terminal, the SRAM address terminal and the SRAM control terminal of the SRAM memory.

ARM Cortex core microprocessor of the present invention is ARM Cortex-M4 32 bit microprocessors or ARM Cortex-M3 32 bit microprocessors.

The concrete connection structure of conversion device described in the present invention is:

The voltage output terminals VDD and VCC of the power module are respectively connected to the voltage input terminals VCC_5 and VCC_3.3 of the core control module of the ARM Cortex core microprocessor; the voltage output terminals VCC_3.3 of the core control module of the ARM Cortex core microprocessor are respectively The voltage input terminal VCC_3.3 of the LCD display module, the voltage input terminal VCC_3.3 of the Bluetooth module, the voltage input terminal VCC_3.3 of the Zigbee module, the voltage input terminal VCC_3.3 of the CAN module, and the voltage input terminal VCC_3 of the RS485 module. 3. The voltage input terminal VCC_3.3 of the Profibus module is connected; the voltage output terminal VCC_5 of the core control module of the ARM Cortex core microprocessor is connected to the voltage input terminal VCC_5 of the LCD display module; the ground terminal GND of the power module is connected to the ARM Cortex core micro The ground terminal GND of the core control module of the processor is connected; the ground terminal GND of the core control module of the ARM Cortex core microprocessor is respectively connected with the ground terminal GND of the LCD display module, the ground terminal GND of the Bluetooth module, the ground terminal GND of the Zigbee module, The ground terminal GND of the CAN module, the ground terminal GND of the RS485 module, and the ground terminal GND of the Profibus module are connected;

The LCD control I/O ports PD3, PD4, and PD5 of the ARM Cortex core microprocessor in the core control module of the ARM Cortex core microprocessor are respectively connected with the LCD command control terminal RS, LCD read and write control terminal R/W, and the LCD display module. The LCD chip selection terminal CE is connected; the LCD data terminal PC[0:7] of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor is connected with the LCD data terminal DB[0:7] of the LCD display module;

The keyboard input I/O ports PC10, PC11, PC12, PC13, and PC14 of the core control module of the ARM Cortex core microprocessor of the ARM Cortex core microprocessor are respectively connected with the keyboard output terminals of the keyboard module, the left shift key K1 and the right shift key K2, page up key K3, page down key K4, and setting key K5 are connected; the reset input terminal Reset of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor is connected with the reset output terminal Reset of the keyboard module ;

The Bluetooth data RXD1 and TXD1 of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor are respectively connected with the Bluetooth data terminals RXD1 and TXD1 of the Bluetooth interface, and the Bluetooth data terminals RXD1 and TXD1 of the Bluetooth interface are respectively connected with the Bluetooth module. Bluetooth data terminals RXD1 and TXD1 are connected; the Bluetooth control I/O ports PD0 and PD1 of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor are respectively connected with the Bluetooth control I/O ports PD0 and PD1 of the Bluetooth interface , the Bluetooth control I/O ports PD0 and PD1 of the Bluetooth interface are respectively connected with the Bluetooth flow control terminals CTS1 and RTS1 of the Bluetooth module; the Bluetooth reset I/O of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor Port PC8 is connected with the Bluetooth reset I/O port PC8 of the Bluetooth interface, and the Bluetooth reset I/O port PC8 of the Bluetooth interface is connected with the Bluetooth reset control terminal BL_RESET of the Bluetooth module;

The Zigbee data I/O ports PA4 and PA5 of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor are connected with the Zigbee data I/O ports PA4 and PA5 of the Zigbee interface respectively, and the Zigbee data I/O ports of the Zigbee interface O port PA4, PA5 are respectively connected with Zigbee data output end SO1, Zigbee data input end SI1 of Zigbee module; Zigbee control I/O port PA2, PD2 of the ARM Cortex core microprocessor of ARM Cortex core microprocessor core control module , PD8, PD9, and PC15 are respectively connected to the Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 of the Zigbee interface, and the Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 of the Zigbee interface are respectively connected to the Zigbee module The Zigbee clock input terminal SCLK1, the Zigbee chip selection control terminal CSn1, the Zigbee sending buffer control terminal FIFO, the Zigbee receiving buffer control terminal FIFOA, and the Zigbee reset terminal ZG_RESET are connected;

The CAN data terminals CANTX and CANRX of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor are respectively connected with the CAN data terminals CANTX and CANRX of the CAN interface, and the CAN data terminals CANTX and CANRX of the CAN interface are respectively connected with the CAN module The CAN data terminal CANRX and CANTX are connected;

The RS485 data terminals RXD2 and TXD2 of the ARM Cortex core microprocessor in the core control module of the ARM Cortex core microprocessor are respectively connected to the RS485 data terminals RXD2 and TXD2 of the RS485 interface, and the RS485 data terminals RXD2 and TXD2 of the RS485 interface are respectively connected to the RS485 module The RS485 data terminal RXD2, TXD2 connection; the RS485 control I/O port PB13, PB14 of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor and the RS485 control I/O port PB13, PB14 of the RS485 interface respectively Connection, the RS485 control I/O ports PB13 and PB14 of the RS485 interface are respectively connected to the RS485 receiving enabling end RE2 and RS485 sending enabling end TE2 of the RS485 module;

The data end/address end PIE[0:7] and the address end PIE[8:15] of the ARM Cortex core microprocessor in the core control module of the ARM Cortex core microprocessor are respectively connected with the data end/address end PIE[0:15] of the Profibus interface 0:7] and address terminal PIE[8:15] are connected, the data terminal/address terminal PIE[0:7] and address terminal PIE[8:15] of the Profibus interface are connected with the Profibus data terminal DB[0:15] of the Profibus module respectively. 7], the address terminal AB[8:15] is connected; the Profibus control signal I/O port PD15, PD14, PD13, PE4, PA0 of the core control module of the ARM Cortex core microprocessor of the ARM Cortex core microprocessor communicate with Profibus respectively The Profibus control signal I/O ports PD15, PD14, PD13, PE4, and PA0 of the interface are connected, and the Profibus control signal I/O ports PD15, PD14, PD13, PE4, and PA0 of the Profibus interface are respectively connected to the Profibus reading control terminals RD3 and RD3 of the Profibus module. Profibus write control terminal WR3, address latch control terminal ALE3, Profibus interrupt output terminal XINT, and Profibus reset terminal PF_RESET are connected.

The serial data ports TXD0 and RXD0 of the ARM Cortex core microprocessor in the core control module of the ARM Cortex core microprocessor are respectively connected to the serial data ports TXD0 and RXD0 of the RS232 serial port module; the data ports TXD02 and RXD02 of the RS232 serial port module are connected to the RS232 serial port module respectively The serial port data terminal connection of the device; the ground terminal GND of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor is connected with the ground terminal GND of the RS232 serial port module, and the ground terminal GND of the RS232 serial port module is connected with the ground terminal GND of the RS232 device Connect to the ground terminal GND.

The I2C ports SCL and SDA of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor are respectively connected with the I2C ports SCL and SDA of the EEPROM memory.

The data/address terminal PIE[0:7] of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor is respectively connected with the data input terminal D[0:7] of the latch and the data terminal DB of the SRAM memory [0:7] is connected; the data output terminal Q[0:7] of the latch is connected with the address terminal AB[0:7] of the SRAM memory; the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor The address terminal PIE[8:15] of the device is connected with the address terminal AB[8:15] of the SRAM memory; the address latch I/O control terminal of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor PJ6 is connected with the address latch control terminal LE of the latch; the SRAM control I/O ports PH6, PH7, PJ4, and PJ5 of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor are respectively connected with the SRAM memory The chip enable control terminal SCE1, the chip enable control terminal SCE2, the output enable control terminal SOE, and the write enable control terminal SWE are connected.

The structure of bluetooth module of the present invention is:

The Bluetooth data terminals RXD1 and TXD1 of the Bluetooth controller of the Bluetooth module are respectively connected with the Bluetooth data terminals RXD1 and TXD1 of the Bluetooth interface of the core control module of the ARM Cortex core microprocessor, and the Bluetooth data terminals RXD1 and TXD1 of the Bluetooth interface are respectively connected with the ARM Cortex The Bluetooth data terminals RXD1 and TXD1 of the ARM Cortex core microprocessor of the core control module of the core microprocessor are connected; The Bluetooth control I/O ports PD0 and PD1 of the Bluetooth interface are connected, and the Bluetooth control I/O ports PD0 and PD1 of the Bluetooth interface are respectively connected with the Bluetooth control I of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor. /O ports PD0, PD1 are connected; the Bluetooth reset control terminal BL_RESET of the Bluetooth controller of the Bluetooth module is connected with the Bluetooth reset I/O port PC8 of the Bluetooth interface of the core control module of the ARM Cortex core microprocessor, and the Bluetooth reset I of the Bluetooth interface /O port PC8 is connected with the Bluetooth reset I/O port PC8 of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor; the antenna input terminal RF_IN of the Bluetooth module, the antenna output terminal RF_OUT are connected with the antenna; the Bluetooth module The voltage input terminal VCC_3.3 of the ARM Cortex core microprocessor is connected to the voltage output terminal VCC_3.3 of the core control module; the ground terminal GND of the Bluetooth module is connected to the ground terminal GND of the core control module of the ARM Cortex core microprocessor.

The structure of the Zigbee module of the present invention is:

The Zigbee data output terminal SO1 and the Zigbee data input terminal SI1 of the Zigbee controller of the Zigbee module are respectively connected with the Zigbee data I/O ports PA4 and PA5 of the Zigbee interface of the core control module of the ARM Cortex core microprocessor, and the Zigbee data of the Zigbee interface I/O port PA4, PA5 are respectively connected with the Zigbee data I/O port PA4, PA5 of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor; the Zigbee clock input terminal SCLK1 of the Zigbee controller of the Zigbee module , Zigbee chip select control terminal CSn1, Zigbee send buffer control terminal FIFO, Zigbee receive buffer control terminal FIFOA, Zigbee reset terminal ZG_RESET respectively with the Zigbee control I/O port PA2 of the Zigbee interface of the core control module of ARM Cortex core microprocessor PD2, PD8, PD9, PC15 are connected, the Zigbee control I/O ports PA2, PD2, PD8, PD9, PC15 of Zigbee interface are respectively connected with the Zigbee control I of the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor. /O port PA2, PD2, PD8, PD9, PC15 are connected; the antenna input terminal RF_IN and the antenna output terminal RF_OUT of the Zigbee module are connected to the antenna; the voltage input terminal VCC_3.3 of the Zigbee module is connected to the core control module of the ARM Cortex core microprocessor The voltage output terminal VCC_3.3 is connected; the ground terminal GND of the Zigbee module is connected to the ground terminal GND of the core control module of the ARM Cortex core microprocessor.

The structure of the CAN module of the present invention is:

The CAN data terminals CANTX and CANRX of the CAN driver of the CAN module are respectively connected to the CAN data terminals CANTX and CANRX of the CAN interface of the core control module of the ARM Cortex core microprocessor, and the CAN data terminals CANTX and CANRX of the CAN interface are respectively connected to the ARM Cortex core The CAN data terminals CANTX and CANRX of the ARM Cortex core microprocessor of the core control module of the microprocessor are connected; the voltage input terminal VCC_3.3 of the CAN module is connected with the voltage output terminal VCC_3.3 of the core control module of the ARM Cortex core microprocessor Connection; the ground terminal GND of the CAN module is connected to the ground terminal GND of the core control module of the ARM Cortex core microprocessor.

The structure of the RS485 module of the present invention is:

The RS485 data terminals TXD2 and RXD2 of the RS485 driver of the RS485 module are respectively connected to the RS485 data terminals RXD2 and TXD2 of the RS485 interface of the core control module of the ARM Cortex core microprocessor, and the RS485 data terminals RXD2 and TXD2 of the RS485 interface are respectively connected to the ARM Cortex core The RS485 data terminals RXD2 and TXD2 of the ARM Cortex core microprocessor of the core control module of the microprocessor are connected; The RS485 control I/O ports PB13 and PB14 of the RS485 interface of the core control module are connected, and the RS485 control I/O ports PB13 and PB14 of the RS485 interface are respectively connected with the ARM Cortex core microprocessor of the core control module of the ARM Cortex core microprocessor The RS485 control I/O ports PB13 and PB14 are connected; the voltage input terminal VCC_3.3 of the RS485 module is connected to the voltage output terminal VCC_3.3 of the core control module of the ARM Cortex core microprocessor; the ground terminal GND of the RS485 module is connected to the ARM Cortex The ground terminal GND of the core control module of the core microprocessor is connected.

The structure of the Profibus module of the present invention is:

The Profibus data terminal DB[0:7] and the address terminal AB[8:15] of the Profibus controller of the Profibus module are respectively connected with the Profibus data terminal/address terminal PIE[0 of the Profibus interface of the core control module of the ARM Cortex core microprocessor. :7], address terminal PIE[8:15] connection, the data terminal/address terminal PIE[0:7], address terminal PIE[8:15] of the Profibus interface are respectively connected with the core control module of the ARM Cortex core microprocessor The Profibus data terminal/address terminal PIE[0:7] and address terminal PIE[8:15] of the ARM Cortex core microprocessor are connected; the Profibus read control terminal RD3 of the Profibus controller of the Profibus module, the Profibus write control terminal WR3, Profibus The address latch control terminal ALE3, the Profibus interrupt output terminal XINT, and the Profibus reset terminal PF_RESET are respectively connected to the Profibus control signal I/O ports PD15, PD14, PD13, PE4, and PA0 of the Profibus interface of the core control module of the ARM Cortex core microprocessor , the Profibus control signal I/O ports PD15, PD14, PD13, PE4, PA0 of the Profibus interface are respectively connected with the Profibus control signal I/O ports PD15, PD14 of the ARM Cortex core microprocessor core control module of the ARM Cortex core microprocessor , PD13, PE4, PA0 are connected; the voltage input terminal VCC_3.3 of the Profibus module is connected with the voltage output terminal VCC_3.3 of the core control module of the ARM Cortex core microprocessor; the ground terminal GND of the Profibus module is connected with the ARM Cortex core microprocessor Connect to the ground terminal GND of the core control module.

A conversion method of a modular multi-data conversion device comprises the following steps:

1) The core control module of the ARM Cortex core microprocessor is powered on and initialized, the initialization program and data loading of the modular multi-data conversion device are completed, and the storage space of the SRAM memory is divided into: Bluetooth, Zigbee, CAN, RS485, Profibus , RS232 and other data communication transceiver channels buffer area;

2) The user configures the hardware parameters of each communication module of the modular multi-data conversion device by setting the keyboard module, and executes the enabling or shielding operation of the corresponding communication subroutine;

3) Store the configuration parameters of each communication module in the EEPROM memory;

4) Execute the initialization subroutine that enables the communication module to complete the setting of its hardware configuration parameters;

5) The data conversion and control program of the modular multi-data conversion device consists of three parts: the interrupt receiving subroutine of the data frame, the multi-data conversion processing subroutine, and the polling data forwarding and transmission subroutine, among which the interrupt receiving subroutine is responsible for Bluetooth module, Zigbee module, CAN module, RS485 module, Profibus module, RS232 and other communication modules to receive data frames, according to the interrupt priority of each module in the ARM Cortex core microprocessor, to achieve the corresponding data received by each communication module Processing; the multi-data conversion processing subroutine is responsible for detecting the received data frame according to the destination address, and according to the address sent, the received data frame is stored in the buffer area of each corresponding data communication transmission channel of the SRAM memory in turn; The polling data forwarding transmission subroutine is responsible for detecting whether the head and tail pointers of the buffer areas of each data communication transmission channel in the SRAM memory are equal. If the head and tail pointers of the buffer areas of the data communication transmission channels are not equal, the The data in the buffer area of the data communication sending channel is sent to the sending buffer of each communication module.

Due to the adoption of the above technical scheme, the present invention adopts a modular installation method with tailorability in hardware, and utilizes the high-speed processing characteristics of the ARM Cortex core microprocessor to conveniently realize data conversion and data transmission among various communication data Function. Therefore, the present invention has the advantages of fast processing response speed, small volume, high flexibility, strong environmental adaptability and the like.

Description of drawings

Fig. 1 is a schematic structural view of a modular multi-data conversion device of the present invention;

Fig. 2 is the schematic circuit diagram of the core control module of ARM Cortex core microprocessor of the present invention;

Fig. 3 is the circuit diagram of bluetooth module of the present invention;

Fig. 4 is the schematic circuit diagram of Zigbee module of the present invention;

Fig. 5 is the circuit diagram of CAN module of the present invention;

Fig. 6 is the circuit diagram of RS485 module of the present invention;

Fig. 7 is the circuit diagram of Profibus module of the present invention;

Fig. 8 is a flow chart of the main program of the modular multi-data conversion device.

Fig. 9 is a flow chart of the interrupt receiving subroutine;

Fig. 10 is a multi-data processing subroutine flowchart;

Fig. 11 is a polling data forwarding subroutine flow chart;

In the figure: 1. Core control module, 2. Bluetooth module, 3. Zigbee module, 4. CAN module, 5. RS485 module, 6. Profibus module.

Detailed ways

Below in conjunction with embodiment the present invention will be further described:

Present embodiment such as shown in Figure 1, a kind of modular multi-data transfer device is made up of core control module 1, power supply module, setting keyboard module, LCD display module and communication module based on ARM Cortex nuclear microprocessor, described The communication module is two or more modules in Bluetooth module 2, Zigbee module 3, CAN module 4, RS485 module 5 and Profibus module 6. An optional communication module can be plugged into the communication interface, which can conveniently realize the functions of data format conversion and data transmission among various communication data. in:

The voltage input end of the core control module 1 of the ARM Cortex core microprocessor is connected with the voltage output end of the power supply module; The keyboard input I/O terminal of the LCD display module is connected with the LCD control terminal and the LCD data terminal of the LCD display module respectively with the LCD control I/O terminal and the LCD data terminal of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor. The bluetooth control end and the bluetooth data end of the bluetooth module 2 are respectively connected with the bluetooth control I/O end and the bluetooth data end of the ARM Cortex core microprocessor by the bluetooth interface of the core control module 1 of the ARM Cortex core microprocessor; The Zigbee control end and the Zigbee data end of the Zigbee module 3 are respectively connected with the Zigbee control I/O end and the Zigbee data I/O end of the ARM Cortex core microprocessor through the Zigbee interface of the core control module 1 of the ARM Cortex core microprocessor; The CAN data end of CAN module 4 is connected to the CAN data end of the ARM Cortex core microprocessor through the CAN interface of the core control module 1 of the ARM Cortex core microprocessor; the RS485 data end and RS485 control end of the RS485 module 5 are connected through the ARM Cortex core microprocessor. The RS485 interface of the core control module 1 of the nuclear microprocessor is connected with the RS485 data terminal and the RS485 control I/O terminal of the ARM Cortex nuclear microprocessor respectively; The Profibus interface of the core control module 1 of the Cortex core microprocessor is respectively connected with the Profibus control I/O port, the Profibus data terminal and the Profibus address terminal of the ARM Cortex core microprocessor; the serial data terminal of the ARM Cortex core microprocessor is connected with the RS232 The serial port data port of the serial port module is connected, the serial port data port of the RS232 serial port module is connected with the serial port data port of the RS232 device; the EEPROM data port and the EEPROM control port of the ARM Cortex core microprocessor are connected with the EEPROM data and the EEPROM control port of the EEPROM memory; The SRAM data terminal, SRAM address terminal, and SRAM control I/O port of the ARM Cortex core microprocessor are respectively connected to the SRAM data, SRAM address terminal, and SRAM control terminal of the SRAM memory.

In this device, the core control module 1 of the ARM Cortex core microprocessor is as shown in Figure 2,

The voltage output terminals VDD and VCC of the power module are respectively connected to the voltage input terminals VCC_5 and VCC_3.3 of the core control module 1 of the ARM Cortex core microprocessor; the voltage output terminal VCC_3 of the core control module 1 of the ARM Cortex core microprocessor. 3 are respectively connected with the voltage input terminal VCC_3.3 of the LCD display module, the voltage input terminal VCC_3.3 of the Bluetooth module 2, the voltage input terminal VCC_3.3 of the Zigbee module 3, the voltage input terminal VCC_3.3 of the CAN module 4, and the RS485 module 5 The voltage input terminal VCC_3.3 of the Profibus module 6 is connected to the voltage input terminal VCC_3.3; the voltage output terminal VCC_5 of the core control module 1 of the ARM Cortex core microprocessor is connected to the voltage input terminal VCC_5 of the LCD display module; The ground terminal GND is connected to the ground terminal GND of the core control module 1 of the ARM Cortex core microprocessor; the ground terminal GND of the core control module 1 of the ARM Cortex core microprocessor is connected to the ground terminal GND of the LCD display module and the Bluetooth module 2 respectively. Connect the ground terminal GND, the ground terminal GND of Zigbee module 3, the ground terminal GND of CAN module 4, the ground terminal GND of RS485 module 5, and the ground terminal GND of Profibus module 6;

The LCD control I/O ports PD3, PD4, and PD5 of the ARM Cortex core microprocessor in the core control module 1 of the ARM Cortex core microprocessor are respectively connected with the LCD command control terminal RS and the LCD read and write control terminal R/W of the LCD display module , LCD chip selection terminal CE connection; the LCD data terminal PC[0:7] of the ARM Cortex core microprocessor core control module 1 of the ARM Cortex core microprocessor and the LCD data terminal DB[0:7] of the LCD display module connect;

The keyboard input I/O ports PC10, PC11, PC12, PC13, and PC14 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor are respectively connected with the keyboard output terminals of the keyboard module to move left and right. Key K2, page up key K3, page down key K4, and setting key K5 are connected; the reset input terminal Reset of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor and the reset output terminal of the keyboard module are set Reset connection;

The Bluetooth data RXD1 and TXD1 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor are respectively connected with the Bluetooth data terminals RXD1 and TXD1 of the Bluetooth interface, and the Bluetooth data terminals RXD1 and TXD1 of the Bluetooth interface are respectively connected with the Bluetooth module The bluetooth data terminal RXD1, TXD1 of 2 are connected; the bluetooth control I/O port PD0, PD1 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor is respectively connected with the bluetooth control I/O port PD0 of the bluetooth interface , PD1 connection, the bluetooth control I/O ports PD0, PD1 of the bluetooth interface are respectively connected with the bluetooth stream control terminal CTS1, RTS1 of the bluetooth module 2; The Bluetooth reset I/O port PC8 is connected with the Bluetooth reset I/O port PC8 of the Bluetooth interface, and the Bluetooth reset I/O port PC8 of the Bluetooth interface is connected with the Bluetooth reset control terminal BL_RESET of the Bluetooth module 2;

The Zigbee data I/O ports PA4 and PA5 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor are connected with the Zigbee data I/O ports PA4 and PA5 of the Zigbee interface respectively, and the Zigbee data I of the Zigbee interface /O port PA4, PA5 are connected with Zigbee data output end SO1, Zigbee data input end SI1 of Zigbee module 3 respectively; PA2, PD2, PD8, PD9, and PC15 are respectively connected to the Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 of the Zigbee interface, and the Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 of the Zigbee interface are respectively Connect with Zigbee clock input terminal SCLK1 of Zigbee module 3, Zigbee chip select control terminal CSn1, Zigbee send buffer control terminal FIFO, Zigbee receive buffer control terminal FIFOA, Zigbee reset terminal ZG_RESET;

The CAN data terminals CANTX and CANRX of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor are respectively connected with the CAN data terminals CANTX and CANRX of the CAN interface, and the CAN data terminals CANTX and CANRX of the CAN interface are connected with the CAN data terminals respectively. The CAN data terminal CANRX and CANTX of module 4 are connected;

The RS485 data terminals RXD2 and TXD2 of the ARM Cortex core microprocessor in the core control module 1 of the ARM Cortex core microprocessor are respectively connected to the RS485 data terminals RXD2 and TXD2 of the RS485 interface, and the RS485 data terminals RXD2 and TXD2 of the RS485 interface are respectively connected to the RS485 The RS485 data terminal RXD2 and TXD2 of module 5 are connected; the core control of the ARM Cortex core microprocessor of the ARM Cortex core microprocessor. PB13 and PB14 are connected, and the RS485 control I/O ports PB13 and PB14 of the RS485 interface are respectively connected to the RS485 receiving enabling end RE2 and RS485 sending enabling end TE2 of the RS485 module 5;

The data terminal/address terminal PIE[0:7] and the address terminal PIE[8:15] of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor are respectively connected with the data terminal/address terminal PIE of the Profibus interface [0:7], address terminal PIE[8:15] are connected, the data terminal/address terminal PIE[0:7] and address terminal PIE[8:15] of the Profibus interface are connected with the Profibus data terminal DB[ of Profibus module 6 respectively 0:7], address terminal AB[8:15] connection; Profibus control signal I/O ports PD15, PD14, PD13, PE4, PA0 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor Connect with the Profibus control signal I/O ports PD15, PD14, PD13, PE4, and PA0 of the Profibus interface respectively, and the Profibus control signal I/O ports PD15, PD14, PD13, PE4, and PA0 of the Profibus interface are connected with the Profibus reading The control terminal RD3, the Profibus write control terminal WR3, the address latch control terminal ALE3, the Profibus interrupt output terminal XINT, and the Profibus reset terminal PF_RESET are connected.

The serial port data ports TXD0 and RXD0 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor are respectively connected with the serial port data ports TXD0 and RXD0 of the RS232 serial port module; the data ports TXD02 and RXD02 of the RS232 serial port module are respectively connected with RS232 equipment serial port data terminal connection; ARM Cortex core microprocessor core control module 1 ARM Cortex core microprocessor ground terminal GND and RS232 serial port module ground terminal GND connection, RS232 serial port module ground terminal GND and RS232 The ground terminal of the device is connected to GND.

The I2C ports SCL and SDA of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor are respectively connected with the I2C ports SCL and SDA of the EEPROM memory.

The data/address end PIE[0:7] of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor is respectively connected with the data input end D[0:7] of the latch and the data end of the SRAM memory DB[0:7] is connected; the data output terminal Q[0:7] of the latch is connected with the address terminal AB[0:7] of the SRAM memory; the ARM Cortex core of the core control module 1 of the ARM Cortex core microprocessor The address end PIE[8:15] of the microprocessor is connected with the address end AB[8:15] of the SRAM memory; the address latch I/O of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor O control terminal PJ6 is connected with the address latch control terminal LE of the latch; the SRAM control I/O ports PH6, PH7, PJ4, PJ5 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor are respectively It is connected with the chip enable control terminal SCE1, the chip enable control terminal SCE2, the output enable control terminal SOE, and the write enable control terminal SWE of the SRAM memory.

The bluetooth module 2 in this device is shown in Figure 3, and the bluetooth data end RXD1, TXD1 of the bluetooth controller of the bluetooth module 2 are respectively connected with the bluetooth data end RXD1, TXD1 of the bluetooth interface of the core control module 1 of the ARM Cortex core microprocessor , the bluetooth data end RXD1, TXD1 of the bluetooth interface are respectively connected with the bluetooth data end RXD1, TXD1 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor; the bluetooth flow control of the bluetooth controller of the bluetooth module 2 Terminals CTS1 and RTS1 are respectively connected to the Bluetooth control I/O ports PD0 and PD1 of the Bluetooth interface of the core control module 1 of the ARM Cortex core microprocessor, and the Bluetooth control I/O ports PD0 and PD1 of the Bluetooth interface are respectively connected to the ARM Cortex core microprocessor. The Bluetooth control I/O ports PD0 and PD1 of the ARM Cortex core microprocessor of the core control module 1 of the processor are connected; the Bluetooth reset control terminal BL_RESET of the Bluetooth controller of the Bluetooth module 2 is connected with the core control module of the ARM Cortex core microprocessor The Bluetooth reset I/O port PC8 of the Bluetooth interface of 1 is connected, and the Bluetooth reset I/O port PC8 of the Bluetooth interface is connected with the core control module of the ARM Cortex core microprocessor of the ARM Cortex core microprocessor 1. The Bluetooth reset I/O port of the ARM Cortex core microprocessor PC8 connection; the antenna input terminal RF_IN and the antenna output terminal RF_OUT of the Bluetooth module 2 are connected to the antenna; the voltage input terminal VCC_3.3 of the Bluetooth module 2 is connected to the voltage output terminal VCC_3.3 of the core control module 1 of the ARM Cortex core microprocessor ; The ground terminal GND of the Bluetooth module 2 is connected with the ground terminal GND of the core control module 1 of the ARM Cortex core microprocessor.

In this device, Zigbee module 3 as shown in Figure 4, the Zigbee data output end SO1 of the Zigbee controller of Zigbee module 3, the Zigbee data input end SI1 are respectively connected with the Zigbee interface of the core control module 1 of ARM Cortex nuclear microprocessor. Data I/O ports PA4, PA5 are connected, Zigbee data I/O ports PA4, PA5 of Zigbee interface are respectively connected with the Zigbee data I/O port PA4 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor , PA5 connection; Zigbee clock input terminal SCLK1 of the Zigbee controller of Zigbee module 3, Zigbee chip selection control terminal CSn1, Zigbee sending buffer control terminal FIFO, Zigbee receiving buffer control terminal FIFOA, Zigbee reset terminal ZG_RESET and ARM Cortex core microprocessing respectively The Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 of the Zigbee interface of the core control module 1 of the device are connected, and the Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 of the Zigbee interface are respectively connected to the ARM Cortex core The Zigbee control I/O port PA2, PD2, PD8, PD9, PC15 of the ARM Cortex core microprocessor of the core control module 1 of the microprocessor is connected; the antenna input terminal RF_IN of the Zigbee module 3, the antenna output terminal RF_OUT are connected with the antenna; The voltage input terminal VCC_3.3 of the Zigbee module 3 is connected with the voltage output terminal VCC_3.3 of the core control module 1 of the ARM Cortex core microprocessor; the ground terminal GND of the Zigbee module 3 is connected with the core control module 1 of the ARM Cortex core microprocessor The ground terminal GND connection.

In this device, CAN module 4 as shown in Figure 5, the CAN data end CANTX, CANRX of the CAN driver of CAN module 4 is respectively connected with the CAN data end CANTX, CANRX of the CAN interface of the core control module 1 of ARM Cortex core microprocessor , the CAN data ends CANTX, CANRX of the CAN interface are respectively connected with the CAN data ends CANTX, CANRX of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor; the voltage input end VCC_3.3 of the CAN module 4 is connected with The voltage output terminal VCC_3.3 of the core control module 1 of the ARM Cortex core microprocessor is connected; the ground terminal GND of the CAN module 4 is connected with the ground terminal GND of the core control module 1 of the ARM Cortex core microprocessor.

In this device, the RS485 module 5 is shown in Figure 6, and the RS485 data terminals TXD2 and RXD2 of the RS485 driver of the RS485 module 5 are respectively connected with the RS485 data terminals RXD2 and TXD2 of the RS485 interface of the core control module 1 of the ARM Cortex core microprocessor , the RS485 data terminals RXD2 and TXD2 of the RS485 interface are respectively connected with the RS485 data terminals RXD2 and TXD2 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor; the RS485 receiving enable of the RS485 driver of the RS485 module 5 Terminal RE2 and RS485 sending enabling terminal TE2 are respectively connected with RS485 control I/O ports PB13 and PB14 of the RS485 interface of the core control module 1 of the ARM Cortex core microprocessor, and RS485 control I/O ports PB13 and PB14 of the RS485 interface are respectively Connect with the RS485 control I/O port PB13, PB14 of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor; the voltage input terminal VCC_3.3 of the RS485 module 5 is connected with the core of the ARM Cortex core microprocessor The voltage output terminal VCC_3.3 of the control module 1 is connected; the ground terminal GND of the RS485 module 5 is connected to the ground terminal GND of the core control module 1 of the ARM Cortex core microprocessor.

In this device, the Profibus module 6 is shown in Figure 7, and the Profibus data terminal DB[0:7] and the address terminal AB[8:15] of the Profibus controller of the Profibus module 6 are respectively connected with the core control of the ARM Cortex core microprocessor The Profibus data terminal/address terminal PIE[0:7] and address terminal PIE[8:15] of the Profibus interface of module 1 are connected, and the data terminal/address terminal PIE[0:7] and address terminal PIE[8: 15] respectively connected with the Profibus data end/address end PIE[0:7] and address end PIE[8:15] of the ARM Cortex core microprocessor of the core control module 1 of the ARM Cortex core microprocessor; the Profibus module 6 The Profibus read control terminal RD3, Profibus write control terminal WR3, Profibus address latch control terminal ALE3, Profibus interrupt output terminal XINT, and Profibus reset terminal PF_RESET of the Profibus controller are respectively connected to the Profibus interface of the core control module 1 of the ARM Cortex core microprocessor The Profibus control signal I/O ports PD15, PD14, PD13, PE4, PA0 are connected, and the Profibus control signal I/O ports PD15, PD14, PD13, PE4, PA0 of the Profibus interface are respectively connected with the core control module of the ARM Cortex core microprocessor The Profibus control signal I/O port PD15, PD14, PD13, PE4, PA0 of the ARM Cortex core microprocessor of 1 is connected; the voltage input terminal VCC_3.3 of the Profibus module 6 is connected with the core control module 1 of the ARM Cortex core microprocessor The voltage output terminal VCC_3.3 is connected; the ground terminal GND of the Profibus module 6 is connected with the ground terminal GND of the core control module 1 of the ARM Cortex core microprocessor.

In this device, the data processing and forwarding flowcharts of the modular multi-data conversion device are shown in Figures 8, 9, 10, and 11, and the steps are as follows:

1) The core control module 1 of the ARM Cortex core microprocessor is powered on and initialized, and the initialization program and data loading of the modular multi-data conversion device are completed, and the storage space of the SRAM memory is divided into: Bluetooth, Zigbee, CAN, RS485, The buffer area of data communication sending and receiving channels such as Profibus and RS232;

2) The user configures the hardware parameters of each communication module of the modular multi-data conversion device by setting the keyboard module, and executes the enabling or shielding operation of the corresponding communication subroutine;

3) Store the configuration parameters of each communication module in the EEPROM memory;

4) Execute the initialization subroutine that enables the communication module to complete the setting of its hardware configuration parameters;

5) The data conversion and control program of the modular multi-data conversion device consists of three parts: the interrupt receiving subroutine of the data frame, the multi-data conversion processing subroutine, and the polling data forwarding and transmission subroutine, among which the interrupt receiving subroutine is responsible for Receive data frames from communication modules such as Bluetooth module 2, Zigbee module 3, CAN module 4, RS485 module 5, Profibus module 6, RS232, etc., and realize corresponding communication according to the interrupt priority level of each module in the ARM Cortex core microprocessor. The processing of the received data of the module; the multi-data conversion processing subroutine is responsible for detecting the received data frame according to the destination address, and sequentially storing the received data frame into the corresponding data communication transmission channel of the SRAM memory according to the sent address In the buffer area; the polling data forwarding transmission subroutine is responsible for detecting whether the head and tail pointers of the buffer areas of each data communication sending channel in the SRAM memory are equal, if the head and tail pointers of the buffer area of the data communication sending channel Not equal, send the data in the buffer area of the data communication sending channel to the sending buffer of each communication module in turn.

This specific embodiment adopts a modular installation method with tailorability on the hardware, and at the same time utilizes the high-speed processing characteristics of the ARM Cortex core microprocessor to conveniently realize the data conversion and data transmission functions between multiple communication data. Therefore, the present invention has the advantages of fast processing response speed, small volume, high flexibility, strong environmental adaptability and the like.

Claims (7)

1. A modular multi-data conversion device is characterized in that: it is made up of a core control module (1), a power supply module, a keyboard module, an LCD display module and a communication module based on an ARM Cortex core microprocessor, and the described communication module Xun module is two or more modules in Bluetooth module (2), Zigbee module (3), CAN module (4), RS485 module (5) and Profibus module (6). An optional communication module is plugged into the communication interface of the core control module (1) of the core microprocessor to realize the functions of data format conversion and data transmission among various communication data, among which: The voltage input terminal of the core control module (1) of the ARM Cortex core microprocessor is connected with the voltage output terminal of the power supply module; The keyboard input I/O end of the core microprocessor is connected; the LCD control terminal and the LCD data end of the LCD display module are respectively connected with the LCD control I of the ARM Cortex core microprocessor of the core control module (1) of the ARM Cortex core microprocessor. /O terminal and LCD data terminal are connected; the Bluetooth control terminal and the Bluetooth data terminal of the Bluetooth module (2) are respectively connected with the Bluetooth control of the ARM Cortex core microprocessor through the Bluetooth interface of the core control module (1) of the ARM Cortex core microprocessor The I/O end is connected to the Bluetooth data end; the Zigbee control end and the Zigbee data end of the Zigbee module (3) are respectively connected to the Zigbee interface of the ARM Cortex core microprocessor through the Zigbee interface of the core control module (1) of the ARM Cortex core microprocessor. The control I/O terminal is connected to the Zigbee data I/O terminal; the CAN data terminal of the CAN module (4) is connected to the CAN interface of the ARM Cortex core microprocessor through the CAN interface of the core control module (1) of the ARM Cortex core microprocessor. Data end connection; the RS485 data end and RS485 control end of the RS485 module (5) are respectively connected to the RS485 data end and the RS485 control I of the ARM Cortex core microprocessor through the RS485 interface of the core control module (1) of the ARM Cortex core microprocessor. /O terminal connection; the Profibus control terminal, Profibus data terminal and Profibus address terminal of the Profibus module (6) are respectively controlled by the Profibus interface of the core control module (1) of the ARM Cortex core microprocessor and the Profibus control of the ARM Cortex core microprocessor I/O port, Profibus data terminal and Profibus address terminal are connected; the serial data terminal of the ARM Cortex core microprocessor is connected with the serial data terminal of the RS232 serial port module, and the serial data terminal of the RS232 serial port module is connected with the serial data terminal of the RS232 device; The EEPROM data end and EEPROM control end of the ARM Cortex core microprocessor are connected to the EEPROM data and EEPROM control end of the EEPROM memory; the SRAM data end, SRAM address end, and SRAM control I/O port of the ARM Cortex core microprocessor are respectively connected to the SRAM The SRAM data of the memory, the SRAM address terminal, and the SRAM control terminal are connected; Described ARM Cortex core microprocessor is ARM Cortex-M4 32 bit microprocessors or ARM Cortex-M3 32 bit microprocessors; The voltage output terminals VDD and VCC of the power module are respectively connected to the voltage input terminals VCC_5 and VCC_3.3 of the core control module (1) of the ARM Cortex core microprocessor; the voltage of the core control module (1) of the ARM Cortex core microprocessor The output terminal VCC_3.3 is respectively connected to the voltage input terminal VCC_3.3 of the LCD display module, the voltage input terminal VCC_3.3 of the Bluetooth module (2), the voltage input terminal VCC_3.3 of the Zigbee module (3), and the voltage input terminal of the CAN module (4). The voltage input terminal VCC_3.3, the voltage input terminal VCC_3.3 of the RS485 module (5), the voltage input terminal VCC_3.3 of the Profibus module (6) are connected; the voltage output of the core control module (1) of the ARM Cortex core microprocessor The terminal VCC_5 is connected to the voltage input terminal VCC_5 of the LCD display module; the ground terminal GND of the power supply module is connected to the ground terminal GND of the core control module (1) of the ARM Cortex core microprocessor; the core control module of the ARM Cortex core microprocessor ( The ground terminal GND of 1) is connected with the ground terminal GND of the LCD display module, the ground terminal GND of the Bluetooth module (2), the ground terminal GND of the Zigbee module (3), the ground terminal GND of the CAN module (4), and the RS485 module (5 ) to the ground GND of the Profibus module (6) and the ground GND of the Profibus module (6); The core control module of the ARM Cortex core microprocessor (1) The LCD control I/O ports PD3, PD4, and PD5 of the ARM Cortex core microprocessor are respectively connected with the LCD command control terminal RS and the LCD read and write control terminal R of the LCD display module /W, LCD chip selection terminal CE connection; the LCD data terminal PC[0:7] of the ARM Cortex core microprocessor core control module (1) of the ARM Cortex core microprocessor and the LCD data terminal DB[ of the LCD display module 0:7] connect; The keyboard input I/O ports PC10, PC11, PC12, PC13, and PC14 of the ARM Cortex core microprocessor of the core control module (1) of the ARM Cortex core microprocessor are respectively connected with the keyboard output terminal left shift key K1, Right shift key K2, page up key K3, page down key K4, and setting key K5 are connected; the core control module of the ARM Cortex core microprocessor (1) resets the input terminal Reset of the ARM Cortex core microprocessor and sets the keyboard module The reset output terminal Reset is connected; The core control module of the ARM Cortex core microprocessor (1) The Bluetooth data terminals RXD1 and TXD1 of the ARM Cortex core microprocessor are respectively connected with the Bluetooth data terminals RXD1 and TXD1 of the Bluetooth interface, and the Bluetooth data terminals RXD1 and TXD1 of the Bluetooth interface are respectively Connect with the Bluetooth data terminals RXD1 and TXD1 of the Bluetooth module (2); the Bluetooth control I/O ports PD0 and PD1 of the ARM Cortex core microprocessor of the ARM Cortex core microprocessor in the ARM Cortex core control module (1) are respectively connected to the Bluetooth interface The Bluetooth control I/O ports PD0 and PD1 are connected, and the Bluetooth control I/O ports PD0 and PD1 of the Bluetooth interface are respectively connected to the Bluetooth flow control terminals CTS1 and RTS1 of the Bluetooth module (2); the core control module of the ARM Cortex core microprocessor (1) The Bluetooth reset I/O port PC8 of the ARM Cortex core microprocessor is connected to the Bluetooth reset I/O port PC8 of the Bluetooth interface, and the Bluetooth reset I/O port PC8 of the Bluetooth interface is connected to the Bluetooth reset I/O port of the Bluetooth module (2) Control terminal BL_RESET connection; The core control module of the ARM Cortex core microprocessor (1) is connected with the Zigbee data I/O ports PA4 and PA5 of the Zigbee data I/O ports PA4 and PA5 of the ARM Cortex core microprocessor respectively, and the Zigbee interface of the Zigbee interface The data I/O ports PA4 and PA5 are respectively connected with the Zigbee data output terminal SO1 and the Zigbee data input terminal SI1 of the Zigbee module (3); the ARM Cortex core microprocessor of the ARM Cortex core microprocessor core control module (1) The Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 are respectively connected to the Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 of the Zigbee interface, and the Zigbee control I/O ports PA2, PD2, and PD8, PD9, and PC15 are respectively connected to the Zigbee clock input terminal SCLK1, Zigbee chip selection control terminal CSn1, Zigbee sending buffer control terminal FIFO, Zigbee receiving buffer control terminal FIFOA, and Zigbee reset terminal ZG_RESET of the Zigbee module (3); The CAN data terminals CANTX and CANRX of the ARM Cortex core microprocessor of the core control module (1) of the ARM Cortex core microprocessor are respectively connected with the CAN data terminals CANTX and CANRX of the CAN interface, and the CAN data terminals CANTX and CANRX of the CAN interface are respectively Connect with the CAN data terminals CANRX and CANTX of the CAN module (4); The core control module of the ARM Cortex core microprocessor (1) RS485 data terminals RXD2 and TXD2 of the ARM Cortex core microprocessor are respectively connected with the RS485 data terminals RXD2 and TXD2 of the RS485 interface, and the RS485 data terminals RXD2 and TXD2 of the RS485 interface are respectively Connect with the RS485 data terminals RXD2 and TXD2 of the RS485 module (5); the RS485 control I/O ports PB13 and PB14 of the ARM Cortex core microprocessor of the core control module (1) of the ARM Cortex core microprocessor are respectively connected to the RS485 interface The RS485 control I/O ports PB13 and PB14 are connected, and the RS485 control I/O ports PB13 and PB14 of the RS485 interface are respectively connected to the RS485 receiving enabling terminal RE2 and RS485 transmitting enabling terminal TE2 of the RS485 module (5); The core control module of the ARM Cortex core microprocessor (1) The data terminal/address terminal PIE[0:7] and the address terminal PIE[8:15] of the ARM Cortex core microprocessor are respectively connected to the data terminal/address of the Profibus interface Terminal PIE[0:7], address terminal PIE[8:15] are connected, and the data terminal/address terminal PIE[0:7] and address terminal PIE[8:15] of the Profibus interface are respectively connected to the Profibus of the Profibus module (6). Data terminal DB[0:7], address terminal AB[8:15] connection; ARM Cortex core microprocessor core control module (1) Profibus control signal I/O port PD15, PD14 of ARM Cortex core microprocessor , PD13, PE4, and PA0 are respectively connected to the Profibus control signal I/O ports PD15, PD14, PD13, PE4, and PA0 of the Profibus interface, and the Profibus control signal I/O ports PD15, PD14, PD13, PE4, and PA0 of the Profibus interface are respectively connected to Profibus module (6) Profibus read control terminal RD3, Profibus write control terminal WR3, address latch control terminal ALE3, Profibus interrupt output terminal XINT, Profibus reset terminal PF_RESET are connected; The core control module of the ARM Cortex core microprocessor (1) The serial port data ports TXD0 and RXD0 of the ARM Cortex core microprocessor are respectively connected to the serial port data ports TXD0 and RXD0 of the RS232 serial port module; the data ports TXD02 and RXD02 of the RS232 serial port module Connect to the serial port data port of the RS232 device respectively; the ground terminal GND of the ARM Cortex core microprocessor core control module (1) of the ARM Cortex core microprocessor is connected to the ground terminal GND of the RS232 serial port module, and the ground terminal of the RS232 serial port module The terminal GND is connected to the ground terminal GND of the RS232 device; The I2C ports SCL and SDA of the ARM Cortex core microprocessor of the core control module (1) of the ARM Cortex core microprocessor are respectively connected with the I2C ports SCL and SDA of the EEPROM memory; The data/address terminal PIE[0:7] of the ARM Cortex core microprocessor in the core control module (1) of the ARM Cortex core microprocessor is connected with the data input terminal D[0:7] of the latch and the SRAM memory respectively. The data terminal DB[0:7] is connected; the data output terminal Q[0:7] of the latch is connected to the address terminal AB[0:7] of the SRAM memory; the core control module of the ARM Cortex core microprocessor (1) The address terminal PIE[8:15] of the ARM Cortex core microprocessor is connected with the address terminal AB[8:15] of the SRAM memory; the core control module (1) of the ARM Cortex core microprocessor of the ARM Cortex core microprocessor The address latch I/O control terminal PJ6 of the latch is connected to the address latch control terminal LE of the latch; the SRAM control I/O port of the ARM Cortex core microprocessor core control module (1) of the ARM Cortex core microprocessor PH6, PH7, PJ4, and PJ5 are respectively connected to the chip enable control terminal SCE1, the chip enable control terminal SCE2, the output enable control terminal SOE, and the write enable control terminal SWE of the SRAM memory. 2. A modular multi-data conversion device according to claim 1, characterized in that: the structure of the Bluetooth module (2) is: The Bluetooth data terminals RXD1 and TXD1 of the Bluetooth controller of the Bluetooth module (2) are respectively connected with the Bluetooth data terminals RXD1 and TXD1 of the Bluetooth interface of the ARM Cortex core microprocessor core control module (1), and the Bluetooth data terminals RXD1 of the Bluetooth interface , TXD1 are respectively connected with the Bluetooth data terminals RXD1 and TXD1 of the ARM Cortex core microprocessor core control module (1) of the ARM Cortex core microprocessor; the Bluetooth flow control terminals CTS1 and RTS1 of the Bluetooth controller of the Bluetooth module (2) Connect with the Bluetooth control I/O ports PD0 and PD1 of the Bluetooth interface of the core control module (1) of the ARM Cortex core microprocessor respectively, and the Bluetooth control I/O ports PD0 and PD1 of the Bluetooth interface are respectively connected to the ARM Cortex core microprocessor The Bluetooth control I/O ports PD0 and PD1 of the ARM Cortex core microprocessor of the core control module (1) are connected; the Bluetooth reset control terminal BL_RESET of the Bluetooth controller of the Bluetooth module (2) is connected with the core of the ARM Cortex core microprocessor The Bluetooth reset I/O port PC8 of the Bluetooth interface of the control module (1) is connected, and the Bluetooth reset I/O port PC8 of the Bluetooth interface is connected with the core control module (1) of the ARM Cortex core microprocessor of the ARM Cortex core microprocessor The Bluetooth reset I/O port is connected to PC8; the antenna input terminal RF_IN and the antenna output terminal RF_OUT of the Bluetooth module (2) are connected to the antenna; the voltage input terminal VCC_3.3 of the Bluetooth module (2) is connected to the core control of the ARM Cortex core microprocessor The voltage output terminal VCC_3.3 of the module (1) is connected; the ground terminal GND of the Bluetooth module (2) is connected to the ground terminal GND of the core control module (1) of the ARM Cortex core microprocessor. 3. A modular multi-data conversion device according to claim 1, characterized in that: the structure of the Zigbee module (3) is: The Zigbee data output terminal SO1 and the Zigbee data input terminal SI1 of the Zigbee controller of the Zigbee module (3) are respectively connected with the Zigbee data I/O ports PA4 and PA5 of the Zigbee interface of the core control module (1) of the ARM Cortex core microprocessor , the Zigbee data I/O ports PA4, PA5 of the Zigbee interface are connected with the Zigbee data I/O ports PA4, PA5 of the ARM Cortex core microprocessor of the core control module (1) of the ARM Cortex core microprocessor respectively; Zigbee module ( 3) The Zigbee clock input terminal SCLK1, Zigbee chip selection control terminal CSn1, Zigbee transmission buffer control terminal FIFO, Zigbee receiving buffer control terminal FIFOA, Zigbee reset terminal ZG_RESET of the Zigbee controller are respectively connected with the core control module of the ARM Cortex core microprocessor (1) The Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 of the Zigbee interface are connected, and the Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 of the Zigbee interface are respectively connected to the ARM Cortex core microprocessor The core control module (1) is connected to the Zigbee control I/O ports PA2, PD2, PD8, PD9, and PC15 of the ARM Cortex core microprocessor; the antenna input terminal RF_IN and the antenna output terminal RF_OUT of the Zigbee module (3) are connected to the antenna ; The voltage input terminal VCC_3.3 of the Zigbee module (3) is connected to the voltage output terminal VCC_3.3 of the core control module (1) of the ARM Cortex core microprocessor; the ground terminal GND of the Zigbee module (3) is connected to the ARM Cortex core microprocessor Connect to the ground terminal GND of the core control module (1) of the processor. 4. A modular multi-data conversion device according to claim 1, characterized in that: the structure of the CAN module (4) is: The CAN data terminals CANTX and CANRX of the CAN driver of the CAN module (4) are respectively connected with the CAN data terminals CANTX and CANRX of the CAN interface of the ARM Cortex core microprocessor core control module (1), and the CAN data terminals CANTX and CANRX of the CAN interface are connected. CANRX is respectively connected with the CAN data terminals CANTX and CANRX of the ARM Cortex core microprocessor core control module (1) of the ARM Cortex core microprocessor; the voltage input terminal VCC_3.3 of the CAN module (4) is connected with the ARM Cortex core microprocessor The voltage output terminal VCC_3.3 of the core control module (1) of the device is connected; the ground terminal GND of the CAN module (4) is connected with the ground terminal GND of the core control module (1) of the ARM Cortex core microprocessor. 5. A modular multi-data conversion device according to claim 1, characterized in that the structure of the RS485 module (5) is: The RS485 data terminals TXD2 and RXD2 of the RS485 driver of the RS485 module (5) are respectively connected to the RS485 data terminals RXD2 and TXD2 of the RS485 interface of the core control module (1) of the ARM Cortex core microprocessor, and the RS485 data terminals RXD2 and TXD2 of the RS485 interface are respectively connected. TXD2 is respectively connected with the RS485 data terminals RXD2 and TXD2 of the ARM Cortex core microprocessor core control module (1) of the ARM Cortex core microprocessor; The enabling terminal TE2 is respectively connected to the RS485 control I/O ports PB13 and PB14 of the RS485 interface of the core control module (1) of the ARM Cortex core microprocessor, and the RS485 control I/O ports PB13 and PB14 of the RS485 interface are respectively connected to the ARM Cortex The RS485 control I/O ports PB13 and PB14 of the ARM Cortex core microprocessor of the core control module (1) of the core microprocessor are connected; the voltage input terminal VCC_3.3 of the RS485 module (5) is connected with the ARM Cortex core microprocessor The voltage output terminal VCC_3.3 of the core control module (1) is connected; the ground terminal GND of the RS485 module (5) is connected to the ground terminal GND of the core control module (1) of the ARM Cortex core microprocessor. 6. A modular multi-data conversion device according to claim 1, characterized in that: the structure of the Profibus module (6) is: The Profibus data terminal DB[0:7] and the address terminal AB[8:15] of the Profibus controller of the Profibus module (6) are respectively connected with the Profibus data terminal of the Profibus interface of the core control module (1) of the ARM Cortex core microprocessor /Address terminal PIE[0:7], address terminal PIE[8:15] are connected, the data terminal of Profibus interface/address terminal PIE[0:7], address terminal PIE[8:15] are respectively connected with ARM Cortex core microprocessing The Profibus data terminal/address terminal PIE[0:7] and address terminal PIE[8:15] of the ARM Cortex core microprocessor of the core control module (1) of the controller are connected; the Profibus of the Profibus controller of the Profibus module (6) Read control terminal RD3, Profibus write control terminal WR3, Profibus address latch control terminal ALE3, Profibus interrupt output terminal XINT, Profibus reset terminal PF_RESET are respectively connected to Profibus control of the Profibus interface of the core control module (1) of the ARM Cortex core microprocessor The signal I/O ports PD15, PD14, PD13, PE4, PA0 are connected, and the Profibus control signal I/O ports PD15, PD14, PD13, PE4, PA0 of the Profibus interface are respectively connected with the core control module of the ARM Cortex core microprocessor (1) The Profibus control signal I/O ports PD15, PD14, PD13, PE4, PA0 of the ARM Cortex core microprocessor are connected; the voltage input terminal VCC_3.3 of the Profibus module (6) is connected with the core control module ( 1) The voltage output terminal VCC_3.3 is connected; the ground terminal GND of the Profibus module (6) is connected to the ground terminal GND of the core control module (1) of the ARM Cortex core microprocessor. 7. The conversion method of a modular multi-data conversion device according to claim 1, characterized in that: the conversion method comprises the following steps: 1) The core control module of the ARM Cortex core microprocessor (1) Power-on initialization, complete the initialization program and data loading of the modular multi-data conversion device, and divide the storage space of the SRAM memory into: Bluetooth, Zigbee, CAN, Buffer areas for data communication transceiver channels such as RS485, Profibus, and RS232; 2) The user configures the hardware parameters of each communication module of the modular multi-data conversion device by setting the keyboard module, and executes the enabling or shielding operation of the corresponding communication subroutine; 3) Store the configuration parameters of each communication module in the EEPROM memory; 4) Execute the initialization subroutine that enables the communication module to complete the setting of its hardware configuration parameters; 5) The data conversion and control program of the modular multi-data conversion device consists of three parts: the interrupt receiving subroutine of the data frame, the multi-data conversion processing subroutine, and the polling data forwarding and transmission subroutine, among which the interrupt receiving subroutine is responsible for Bluetooth module (2), Zigbee module (3), CAN module (4), RS485 module (5), Profibus module (6), RS232 and other communication modules receive data frames, according to each module in the ARM Cortex core microprocessor The priority level of the interrupt, to realize the processing of the received data of the corresponding communication modules; the multi-data conversion processing subroutine is responsible for detecting the received data frame according to the destination address, and sequentially storing the received data frame according to the sent address to the buffer area of each corresponding data communication transmission channel in the SRAM memory; the polling data forwarding transmission subroutine is responsible for detecting whether the head and tail pointers of the buffer areas of each data communication transmission channel in the SRAM memory are equal. The head and tail pointers of the buffer area of the sending channel are not equal, and the data in the buffer area of the data communication sending channel are sent to the sending buffers of each communication module in sequence.