fix(ping_client, ping_server): wait major frame after sampling port error

examples/ping_client/src/main.rs

@@ -1,8 +1,9 @@
 use a653rs::partition;
 use a653rs::prelude::PartitionExt;
-use a653rs_linux::partition::ApexLogger;
 use log::LevelFilter;
 
+use a653rs_linux::partition::ApexLogger;
+
 fn main() {
     ApexLogger::install_panic_hook();
     ApexLogger::install_logger(LevelFilter::Trace).unwrap();
@@ -84,6 +85,7 @@ mod ping_client {
                 Ok((validity, bytes)) => (validity, bytes),
                 Err(e) => {
                     warn!("Failed to receive ping response: {e:?}");
+                    ctx.periodic_wait().unwrap();
                     continue;
                 }
             };

examples/ping_server/src/main.rs

@@ -1,8 +1,9 @@
 use a653rs::partition;
 use a653rs::prelude::PartitionExt;
-use a653rs_linux::partition::ApexLogger;
 use log::LevelFilter;
 
+use a653rs_linux::partition::ApexLogger;
+
 fn main() {
     ApexLogger::install_panic_hook();
     ApexLogger::install_logger(LevelFilter::Trace).unwrap();
@@ -49,14 +50,13 @@ mod ping_server {
     fn periodic_ping_server(ctx: periodic_ping_server::Context) {
         info!("started ping_server process");
         loop {
-            info!("forwarding request as response ");
-
             // allocate a buffer to receive into
             let mut buf = [0u8; 32];
 
             // receive a request, storing it to `buf`
             if let Err(e) = ctx.ping_request.unwrap().receive(&mut buf) {
                 warn!("Failed to receive ping request: {e:?}");
+                ctx.periodic_wait().unwrap();
                 continue;
             }
 
@@ -66,6 +66,8 @@ mod ping_server {
                 panic!("could not read time");
             };
 
+            info!("forwarding request as response");
+
             // convert the current time to an u128 integer representing nanoseconds, and
             // serialize the integer to a byte array
             let time_in_nanoseconds = time.as_nanos();