CN-122018833-A - FMQL-based modularized display and control device and FMQL-based modularized display and control method

Abstract

The invention provides a FMQL-based modularized display control device and method. The display control device based on FMQL comprises FMQL series PSOC, touch display screen, NOR FLASH, NAND FLASH, DDR, gigabit Ethernet, serial port, keys and the like. The display control method based on FMQL comprises the steps of configuration of each interface controller of the system, data stream transmission, data analysis and storage, adaptation of an operating system, interface display, touch and the like. Based on the scheme, the modularized display control device and method based on FMQL are realized, resources required for display and partial control are allocated to the independent display control module aiming at scenes with display control requirements, the display and control service can be provided for any equipment with RGMII protocol interface as an additional module, and the design with high reliability can adapt to various complex and changeable scenes.

Inventors

• LUO HAO
• GONG XIAOJIN
• ZHANG XIAOQIAN
• Cheng Qianya
• NI JIAJIA

Assignees

• 湖北三江航天红峰控制有限公司

Dates

Publication Date

20260512

Application Date

20251210

Claims (10)

1. 1. A modularized display control device based on FMQL comprises a display control device body and is characterized by comprising FMQL series PSOC, a touch display screen, NOR FLASH, NAND FLASH, DDR, gigabit Ethernet, serial ports and keys, wherein ARM processors in FMQL series PSOC are interconnected with an FPGA logic end through an AXI bus for data interaction, the NOR FLASH is controlled by using a Quad-SPI controller of a PS end, and the NAND FLASH is controlled by using an NFC controller of the PS end.
2. 2. The modular display control device based on FMQL is characterized in that DDR realizes data interaction with ARM through DDR3 interface, gigabit Ethernet interface is realized through a multimode Ethernet controller at PS end and adopts RGMII mode, display function controller in touch display function is realized by PL logic resource, HP high-speed interface is used as data path, GP port is used as control path interface, and controller is designed and realized.
3. 3. The modular display control device based on FMQL of claim 2, wherein the ARM performs data interaction on the controller through an AXI bus to realize data transmission of an LVDS bus, the touch function controller in a touch display function is realized through an IIC bus, an interrupt signal and a GPIO interface, and the IIC interface is used for transmitting touch point coordinate information of a screen.
4. 4. The modular display control device based on FMQL of claim 2, wherein the interrupt interface is used for guaranteeing real-time response of touch information, interrupt signals and touch point coordinates are generated simultaneously, the GPIO interface is controlled by keys, the keys comprise up, down, left and right and five hardware keys for determining that a screen is in a severe working environment, and the control of the screen is realized through the keys when the touch fails.
5. 5. The modular display control device based on FMQL of claim 4, wherein in the touch display function, the screen is a capacitive screen with electromagnetic interference resistance, and UART and gigabit Ethernet 2 are used for interactive debugging with a PC.
6. 6. The modular display and control device based on FMQL of claim 1, wherein the display and control device is further used for analyzing external data, displaying driving of a touch screen, and an external data source performs data interaction with the display and control device through a gigabit Ethernet 1, and an ARM end of PSOC performs analysis and recombination on the data according to a custom protocol.
7. 7. The device of claim 6, wherein the controller at the PL terminal outputs the image signal, and the IIC bus inputs the touch coordinate information with the interrupt signal and the GPIO.
8. 8. A display control method using the display control apparatus according to claim 1, comprising the steps of: s1, initializing and self-checking a video information output controller and a DMA by an ARM processor through an AXI bus; s2, the data to be processed and displayed are contained in an external data source and are transmitted to an ARM end of the PSOC through the gigabit Ethernet 1; s3, the PL end uses an AXI_HP high-speed interface to carry data into an AXI4-Stream to Video Out video information output controller through a DMA controller, and converts an output format from RGB to LVDS for output; S4, performing resource management on the whole system by using the winged glow embedded real-time operating system, developing a touch display interface by using QT software based on the winged glow embedded real-time operating system, analyzing and reorganizing protocol data conforming to the user definition, and outputting the protocol data to a PL end video information output controller to realize the output of image signals; s5, when the display screen is touched by a human hand, the display screen transmits the coordinates of the touch point to the ARM end through the IIC interface according to a protocol, and an interrupt signal is generated; S6, independently using a network port and a serial port as a debugging interface for interaction with the PC end so as to meet the hardware requirements of an adaptive operating system and a QT display interface.
9. 9. The display control method according to claim 8, wherein in step S2, the ARM end is used for analyzing data, extracting and reorganizing the data to be displayed, and the ARM end is interconnected with the PL end through an AXI bus for data interaction.
10. 10. The display control method according to claim 8, wherein in step S5, the ARM end analyzes the coordinate according to the protocol, analyzes that the touch point is located at the position of the screen, moves the mouse coordinate in the screen to the analyzed coordinate, compares the recognized coordinate information to obtain touch input information, and the GPIO interface is used as a hardware backup to control the mouse in the screen.

Description

FMQL-based modularized display and control device and FMQL-based modularized display and control method Technical Field The invention relates to the technical field of embedded computer display control, in particular to a FMQL-based modularized display control device and method. Background Embedded field devices are specialized computing systems designed specifically for specific functions, typically with a microcontroller or microprocessor as the core, with hardware and software tightly integrated and embedded into a larger device or system. The devices generally have the characteristics of low power consumption, high reliability, strong real-time performance and the like, and are widely applied to the key fields of industrial control, automobile electronics, medical instruments, communication networks, aerospace and the like from intelligent home appliances and wearable devices in daily life, and become indispensable invisible computers in modern intelligent products and infrastructures. Currently, each field is performing high-speed iteration on embedded field devices. The existing man-machine interaction mode often needs to be graphical and interfacial, the functions and the operation methods of the products are displayed to the clients in the most straightforward and simple mode, and the demands of display and control schemes in the embedded field are increasing. In the prior art, the display and control scheme has fast-paced adaptation requirements, and the display function consumes larger resources for the embedded field, so that the resources of the main control chip can be greatly occupied when the display and control scheme is integrated into the main control chip. In the conventional display control scheme, the resources required by display and partial control are integrated, so that higher pressure exists on the resources of the main control CPU, and the reliability of the equipment is reduced. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide a modularized display control device and a modularized display control method based on FMQL so as to solve the problems in the prior art, the design of the invention is easy to upgrade and has strong adaptability, the display and control service can be provided for any device with an RGMII protocol interface as an additional module, and the design with high reliability can adapt to various complex and changeable scenes. The modularized display control device based on FMQL comprises a display control device body, wherein the display control device body comprises FMQL series PSOC, a touch display screen, NOR FLASH, NAND FLASH, DDR, gigabit Ethernet, a serial port and keys, ARM processors in FMQL series PSOC are interconnected with an FPGA logic end through an AXI bus for data interaction, the NOR FLASH is controlled by using a Quad-SPI controller of a PS end, and the NAND FLASH is controlled by using an NFC controller of the PS end. Furthermore, the DDR realizes the data interaction with ARM through a DDR3 interface, the gigabit Ethernet interface is realized through a multi-mode Ethernet controller at a PS end and adopts an RGMII mode, the display function controller in the touch display function is realized through PL logic resources, the HP high-speed interface is used as a data path, the GP port is used as a control path interface, and the controller is designed and realized. Furthermore, the ARM performs data interaction on the controller through the AXI bus to realize data transmission of the LVDS bus, the touch function controller in the touch display function is realized through the IIC bus, the interrupt signal and the GPIO interface together, and the IIC interface is used for transmitting coordinate information of a touch point of a screen. Furthermore, the interrupt interface is used for guaranteeing real-time response of touch information, interrupt signals and coordinates of touch points are generated simultaneously, the GPIO interface is controlled by keys, the keys comprise up, down, left and right and five hardware keys for determining that the screen is in a severe working environment, and the control of the screen is realized through the keys when the touch fails. Furthermore, in the touch display function, the screen is a capacitive screen with anti-electromagnetic interference capability, and the UART and the gigabit ethernet 2 are used for interactive debugging with the PC terminal. Furthermore, the display control device is further used for analyzing external data, displaying the driving of the touch screen, the external data source performs data interaction with the display control device through the gigabit Ethernet 1, and the ARM end of the PSOC performs analysis and recombination on the data according to a self-defined protocol. Furthermore, the controller at the PL end is used for outputting the image signals, and the IIC bus, the interrupt signals and the GPIO are used for input