Data transmission method and device and electronic equipment

Abstract

The invention discloses a data transmission method and device and electronic equipment, and relates to the technical field of data processing. The method is applied to a controller, the controller is connected with an external memory, the controller comprises an internal memory, the controller and the external memory carry out data transmission through a data bus, and the method comprises the following steps: when to-be-stored data is obtained, obtaining a current transmission state of the data bus; if the current transmission state is a transmission occupation state, acquiring data information of data currently transmitted by the data bus; if the data information meets a preset data condition, the to-be-stored data is written into an internal memory, and the preset data condition is used for representing that the storage capacity occupied by the currently transmitted data is larger than the preset capacity; and when it is detected that the current transmission state of the data bus is a transmission idle state, transmitting the to-be-stored data to an external memory for storage through the data bus. Therefore, the problem of data bus use conflict is avoided, and the storage of the to-be-stored data is completed in time.

Description

technical field [0001] The present application relates to the technical field of data processing, and more specifically, to a data transmission method, device and electronic equipment. Background technique [0002] In the Internet of Things (IoT) product development process, in order to reduce hardware costs as much as possible, the resources of the main control chip generally selected are often limited, such as the read-only memory (Read-OnlyMemory, ROM) inside the main control chip. And the storage space of the random access memory (Random Access Memory, RAM) is limited. Due to the need to store a large amount of data of different types and capacities in terms of product function requirements, based on this, in related technologies, a hardware design structure that externally mounts a memory chip (for example: NOR Flash memory chip) is generally adopted. Data operations are performed between the chip and the memory chip through a communication bus. Among them, the proces...

AI Technical Summary

Problems solved by technology

Among them, the process of data operation through the communication bus cannot be interrupted, otherwise the application function cannot be completed

[0003] However, in practical applications, there may be multiple application functions that require data operations through the communication bus at the same time. Since the communication bus can only operate on the data of a single application function at the same time, the problem of data operation conflicts occurs. As a result, some application functions cannot be completed

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