diff --git a/beamer/libs/semserialize/src/lib.rs b/beamer/libs/semserialize/src/lib.rs
index dbc93e8..0143d10 100644
--- a/beamer/libs/semserialize/src/lib.rs
+++ b/beamer/libs/semserialize/src/lib.rs
@@ -6,7 +6,14 @@ pub const HEIGHT: usize = 32;
 // "Pixels" from left to right
 pub const WIDTH: usize = 32;
 #[derive(Serialize, Deserialize, Debug,PartialEq)]
-pub struct SemLine{
+pub enum SemLine{
+    SlowPicture(SemLinePhoto),
+    FastPicture(SemLinePhoto),
+    Camera(SemLinePhoto)
+
+}
+#[derive(Serialize, Deserialize, Debug,PartialEq)]
+pub struct SemLinePhoto{
     line: u32,
     pixels:[u8;WIDTH]
 
@@ -18,7 +25,7 @@ mod tests {
     use serde_json;
     #[test]
     fn test_serialize(){
-        let test_struct: SemLine = SemLine{line:0,pixels:[0;WIDTH]};
+        let test_struct: SemLine = SemLine::SlowPicture(SemLinePhoto{line:0,pixels:[0;WIDTH]});
         let serialized = serde_json::to_string(&test_struct).unwrap();
         let deserialized:SemLine = serde_json::from_str(&serialized).unwrap();
         assert_eq!(test_struct,deserialized);