anchao commented on code in PR #17395:
URL: https://github.com/apache/nuttx/pull/17395#discussion_r2580810284
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drivers/rpmsg/rpmsg_ping.c:
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@@ -162,7 +167,7 @@ static int rpmsg_ping_once(FAR struct rpmsg_endpoint *ept,
int len,
msg->cookie = (uintptr_t)&sem;
nxsem_init(&sem, 0, 0);
- ret = rpmsg_send_nocopy(ept, msg, msg->len);
+ ret = rpmsg_sendto_nocopy(ept, msg, msg->len);
Review Comment:
but the rpmsg API does not have this limitation. In terms of interface
implementation, send will wait 15 seconds, while sendto will only try once:
<img width="670" height="1022" alt="image"
src="https://github.com/user-attachments/assets/13a6b6f3-b7cf-4ff9-82f4-a269bd605186";
/>
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