Title:
DMA DATA TRANSFER METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/178859
Kind Code:
A1
Abstract:
The present application is suitable for the technical field of computers, and provides a DMA data transfer method and device. The data transfer method is applied to a DMA controller, and comprises: obtaining a read instruction set, wherein the read instruction set comprises first configuration information, and the first configuration information comprises first discrete address information and first continuous address information; and according to the first configuration information in the read instruction set, transferring, to a continuous address range corresponding to the first continuous address information, data within a discrete address range corresponding to the first discrete address information. According to embodiments of the present application, a DMA data transfer operation is controlled by means of the instruction set, and normal work of a CPU would not be affected by DMA interruption during DMA data transfer.
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Inventors:
MA CHENGYONG (CN)
QIN XUAN (CN)
YUAN FENG (CN)
QIN XUAN (CN)
YUAN FENG (CN)
Application Number:
PCT/CN2022/100634
Publication Date:
September 28, 2023
Filing Date:
June 23, 2022
Export Citation:
Assignee:
ORBBEC INC (CN)
International Classes:
G06F13/28
Foreign References:
| CN112835828A | 2021-05-25 | |||
| CN101876956A | 2010-11-03 | |||
| JP2006126938A | 2006-05-18 | |||
| CN111615692A | 2020-09-01 | |||
| CN111190842A | 2020-05-22 |
Attorney, Agent or Firm:
SHENZHEN HUNS INTELLECTUAL PROPERTY (CN)
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