CN105487991A - 一种多核共用单一edma通道的方法 - Google Patents
一种多核共用单一edma通道的方法 Download PDFInfo
- Publication number
- CN105487991A CN105487991A CN201510974858.2A CN201510974858A CN105487991A CN 105487991 A CN105487991 A CN 105487991A CN 201510974858 A CN201510974858 A CN 201510974858A CN 105487991 A CN105487991 A CN 105487991A
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- China
- Prior art keywords
- edma
- edmachannel
- core
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- UJKWLAZYSLJTKA-UHFFFAOYSA-N edma Chemical compound O1CCOC2=CC(CC(C)NC)=CC=C21 UJKWLAZYSLJTKA-UHFFFAOYSA-N 0.000 claims description 64
- 230000005540 biological transmission Effects 0.000 claims description 41
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 102100037364 Craniofacial development protein 1 Human genes 0.000 description 1
- 102100024109 Cyclin-T1 Human genes 0.000 description 1
- 101000880187 Homo sapiens Craniofacial development protein 1 Proteins 0.000 description 1
- 101000910488 Homo sapiens Cyclin-T1 Proteins 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
- G06F13/32—Handling requests for interconnection or transfer for access to input/output bus using combination of interrupt and burst mode transfer
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Bus Control (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510974858.2A CN105487991B (zh) | 2015-12-18 | 2015-12-18 | 一种多核共用单一edma通道的方法 |
Applications Claiming Priority (1)
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CN201510974858.2A CN105487991B (zh) | 2015-12-18 | 2015-12-18 | 一种多核共用单一edma通道的方法 |
Publications (2)
Publication Number | Publication Date |
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CN105487991A true CN105487991A (zh) | 2016-04-13 |
CN105487991B CN105487991B (zh) | 2018-04-06 |
Family
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Family Applications (1)
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CN201510974858.2A Active CN105487991B (zh) | 2015-12-18 | 2015-12-18 | 一种多核共用单一edma通道的方法 |
Country Status (1)
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CN (1) | CN105487991B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106155960A (zh) * | 2016-06-29 | 2016-11-23 | 广州慧睿思通信息科技有限公司 | 基于gpio握手和edma的uart串口通信方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7577774B2 (en) * | 2005-05-13 | 2009-08-18 | Texas Instruments Incorporated | Independent source read and destination write enhanced DMA |
CN102510481A (zh) * | 2011-11-10 | 2012-06-20 | 中国科学院上海技术物理研究所 | 低功耗红外实时信号处理***的信号处理方法 |
CN104536921A (zh) * | 2015-01-19 | 2015-04-22 | 浪潮电子信息产业股份有限公司 | 一种edma控制器分离式并行数据通道的设计方法 |
CN104699641A (zh) * | 2015-03-20 | 2015-06-10 | 浪潮集团有限公司 | 一种多核dsp***中edma控制器并行控制的方法 |
-
2015
- 2015-12-18 CN CN201510974858.2A patent/CN105487991B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7577774B2 (en) * | 2005-05-13 | 2009-08-18 | Texas Instruments Incorporated | Independent source read and destination write enhanced DMA |
CN102510481A (zh) * | 2011-11-10 | 2012-06-20 | 中国科学院上海技术物理研究所 | 低功耗红外实时信号处理***的信号处理方法 |
CN104536921A (zh) * | 2015-01-19 | 2015-04-22 | 浪潮电子信息产业股份有限公司 | 一种edma控制器分离式并行数据通道的设计方法 |
CN104699641A (zh) * | 2015-03-20 | 2015-06-10 | 浪潮集团有限公司 | 一种多核dsp***中edma控制器并行控制的方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106155960A (zh) * | 2016-06-29 | 2016-11-23 | 广州慧睿思通信息科技有限公司 | 基于gpio握手和edma的uart串口通信方法 |
CN106155960B (zh) * | 2016-06-29 | 2019-03-22 | 广州慧睿思通信息科技有限公司 | 基于gpio握手和edma的uart串口通信方法 |
Also Published As
Publication number | Publication date |
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CN105487991B (zh) | 2018-04-06 |
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GR01 | Patent grant | ||
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for sharing single EDMA (Enhanced Direct Memory Access) channel by multiple cores Effective date of registration: 20200212 Granted publication date: 20180406 Pledgee: China Co. truction Bank Corp Guangzhou Panyu branch Pledgor: GUANGZHOU HUIRUI SITONG INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2020980000240 |
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CP03 | Change of name, title or address |
Address after: 510000 no.2-8, North Street, Nancun Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou huiruisitong Technology Co.,Ltd. Address before: No.2, Nancun North Street, Nancun Town, Panyu District, Guangzhou, Guangdong 511442 Patentee before: GUANGZHOU HUIRUI SITONG INFORMATION TECHNOLOGY Co.,Ltd. |
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PP01 | Preservation of patent right |
Effective date of registration: 20221228 Granted publication date: 20180406 |
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PD01 | Discharge of preservation of patent |
Date of cancellation: 20240327 Granted publication date: 20180406 |
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