Multi-core network communication method, device and system based on ring bus
A technology of a network communication device and a ring device, which is applied in the field of data communication, and can solve the problems of low transmission efficiency of access requests and inability to guarantee transmission accuracy, etc.
Pending Publication Date: 2020-04-17
苏州雄立科技有限公司
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Problems solved by technology
[0004] In order to overcome the problems of related technologies, only one master device can access the bus in any time period, resulting in low transmission efficiency of access requests, and cannot guarantee the correctness of transmission. This application provides a multi-core network communication method, device and system based on a ring bus. It can improve the transmission efficiency of access requests while ensuring the correctness of transmission
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[0022] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.
[0023] In the following detailed description, numerous specific details are set forth in order to provide a comprehensive understanding of the application, but those skilled in the art will understand that the application may be practiced without these specific details. In other embodiments, well-known methods, procedures, components and circuits have not been described in detail so as not to un...
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The embodiment of the invention provides a multi-core network communication method, device and system based on a ring bus. The method comprises the following steps: acquiring an access request from amaster device, acquiring a transmission direction of the access request according to address information, judging whether a slave device needing to be accessed exists in a current annular device or not, and if the slave device needing to be accessed exists in the current annular device, sending the access request to the slave device needing to be accessed. Based on a ring bus, a plurality of master devices and slave devices are placed on different annular devices, the master devices are supported to access a bus at the same time to transmit access requests, the transmission direction of the access requests is selected through address information of the slave devices needing to be accessed and carried by the access requests to achieve the shortest path of the transmission process, and therefore the efficiency of the transmission process is improved. The main devices do not restrict each other in the process of sending and transmitting the access request, and the transmission process ofthe access request is not interrupted, so that the correctness of transmission is ensured at the same time.
Description
technical field [0001] The present disclosure relates to the technical field of data communication, and in particular to a multi-core network communication method, device and system based on a ring bus. Background technique [0002] At present, the technology of transmitting the access request sent by the master device to the slave device through the bus device is widely used in the industry. Correctly transmit the access request sent by the master device to the slave device by identifying the address, and transmit the return information generated by the slave device to the corresponding master device, completing an access interaction between the master device and the slave device. A multi-core network refers to a communication network with multiple master devices and slave devices. The communication method of this multi-core network is usually arbitration: a master device that needs to occupy the bus sends a request to the arbiter, and the arbiter authorizes the designated ...
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Login to View More IPC IPC(8): G06F15/173G06F13/40
CPCG06F15/17368G06F13/4068
Inventor 闫振林熊冰张兵张若彤
Owner 苏州雄立科技有限公司