DS made DsFile a trait

builds/example_build/Cargo.toml

@@ -9,6 +9,7 @@ rfe.path = "../../rfe"
 rfe.features = ["std"]
 example.path = "../../apps/example"
 ds.path = "../../apps/ds"
+ds.features = ["std"]
 hs.path = "../../apps/hs"
 hs.features = ["std"]
 to.path = "../../apps/to"

builds/example_build/src/main.rs

@@ -95,7 +95,7 @@ fn main() -> Result<()> {
     );
 
     let mut example = Example::new();
-    let mut ds = Ds::new(record, false);
+    let mut ds = Ds::<StdDsFile>::new(record, false);
     // let mut wd = LinuxWatchdog::new().unwrap();
     let mut grabber = StdSystemInfoGrabber::new();
     let mut hs = Hs::new(