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请问在DRA821和TDA4上有没有IPC通信（linux和freertos）的demo可以提供?我在论坛上找到一个tda4_ipc_between_linux_sysbios.tar.gz的demo，我需要DRA821和TDA4上与rtos通信的，是否可以提供下载链接？
e2e.ti.com/.../tda4-ipc-issue-between-in-a72-linux-to-main-r5f0-sysbios
没有这样的demo，可以参考下面两个帖子和AM64x的IPC demo。https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1029689/dra821u-dra821u-do-we-have-the-example-to-allow-user-for-experiencing-the-ipc-between-a72-and-r5fhttps://e2e.ti.com/support/processors-group/processors/f/processors-forum/905013/tda4vm-ipc-example-on-a72-linuxhttps://dev.ti.com/tirex/explore/node?node=AN1pjLTcZ7x--wIKAmibew__rN4Qml4__LATEST
