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IPIĀ  Features

The IPIPSU block, provides the following features.
  • Supports processor communications including both an IPI interrupt structure and memory buffers to
    exchange short private 32B messages between eight IPI agents.
  • Supports both blocking and nonblocking calls.

Links to Examples

Examples Path:
https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/ipipsu/examples

Test Name

Example Source

Description
IPIPSU example

xipipsu_self_test_example.c


This examples sends a message to itself and confirms the message.

IPIPSU example

This example sends a message to itself and receives it.

Expected Output


Code Block
 Hello IPI! [Build: Jul  2 2021 07:11:56]
Interrupt ID: 67
Message Content:
W0: 0x5851F42D
W1: 0x40B18CCF
W2: 0x4BB5F646
W3: 0x47033129
W4: 0x30705B04
W5: 0x20FD5DB4
W6: 0x1A8B7F78
W7: 0x502959D8
Triggering IPI and Waiting for Response...
---->Enter Interrupt Handler
Message Received:
W0: 0x5851F42D
W1: 0x40B18CCF
W2: 0x4BB5F646
W3: 0x47033129
W4: 0x30705B04
W5: 0x20FD5DB4
W6: 0x1A8B7F78
W7: 0x502959D8
Sent back Inverted Message.
<----Exit Interrupt Handler
Received response.
Message : Response
W0 -> 0x5851F42D : 0xA7AE0BD2
W1 -> 0x40B18CCF : 0xBF4E7330
W2 -> 0x4BB5F646 : 0xB44A09B9
W3 -> 0x47033129 : 0xB8FCCED6
W4 -> 0x30705B04 : 0xCF8FA4FB
W5 -> 0x20FD5DB4 : 0xDF02A24B
W6 -> 0x1A8B7F78 : 0xE5748087
W7 -> 0x502959D8 : 0xAFD6A627
Successfully ran Ipipsu selftest Example



Changelog

2019.1

  • None

2019.2

  • None
2020

2021.1

2020.2

2021

2020.1


Related Links

  • NA