These could be used for proper initialization of the software component s along with the OS adaptation layer for the same. In addition to the shadow regions, there is a global region access to the Channel Controller. Hence it can be used across multiple platforms. QDMA channels are auto-triggered when a write is performed to the user-programmed trigger word in the PaRam. My presentations Profile Feedback Log out.
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This page has been accessed 14, times. This example includes synchronization, linking, and sorting.
EDMA3 LLD Release Notes
On reaching the head of the queue, the PaRAM associated with that channel is read to determine the transfer details. For questions regarding topics covered in this training, visit the support forums at the TI E2E Community website. Well, that depends on what your system needs and eedma3 type of sync and indexing covered later…. What information does a DMA controller need to perform a transfer?
Porting instructions are also provided to use the package for different platforms and Operating Systems. It consists of three 3 libraries:.
This page edja3 last modified on 21 Marchat The EDMA3 transfer controllers are responsible for data movement.
The objective of the below tutorial to analyze LLD examples for basic transfers, interrupt generation, linking, channel sorting, chaining, etc. Porting instructions are provided for both the components to do the same.
EDMA3 LLD 01.11.03 Release Notes
Constant Addressing Mode is explained in detail in Section 2. For DMA channels, a trigger event may be an external event, manual write to the event set register, or chained event. How does chaining work?
EDMA examples are found here: Share buttons are a little bit lower. If you are a TI Employee and devixe Edit ability please contact x from the company directory. Note that even though a new PaRam is loaded into the channel, no new transfer starts until a there is a new trigger to the channel. If you are a TI Employee and require Edit ability please contact x from the company directory.
Please note as of Wednesday, August 15th, this wiki has been set to read only. More detailed descriptions of each function of the EDMA3 can be found in the pdf file linked to above. Compatibility keys are intentionally independent of Marketing product numbers and are intended to: In addition, Section 4. Registration Forgot your password?
Chapter 2 Memory Addressing.
EDMA3 Keystone SoC Devices
Similarly, if it holds “2”, events are queued on queue number There are multiple ways to initiate a programmed data transfer using the EDMA3 channel controller. Views Read View source View history. It is also an OS-agnostic package and thus can be used across multiple operating systems.
For technical support please post your questions at http: The set of PaRams gives the user the ability to pre-configure multiple transfer parameters during initialization to minimize application execution time.
Retrieved from ” http: Source address Destination address Length or size What options might be useful to perform the transfer? When one transfer completes, trigger another transfer to run Ex: Export results from on-chip to off-chip afterward.