Added message to query PLL settings

firmware/src/main.rs

@@ -434,7 +434,10 @@ mod app {
                                 to_vec_cobs::<DeviceMessage, USB_BUFFER_SIZE>(&device_msg).unwrap();
                             serial.write(bytes.as_slice()).unwrap();
                         }
-                        HostMessage::SetPLLOutputs(_) => {
+                        HostMessage::SetPLLSettings(_) => {
+                            defmt::error!("PLL output is not implemented yet")
+                        }
+                        HostMessage::GetPllSettings => {
                             defmt::error!("PLL output is not implemented yet")
                         }
                     },

hostsoftware/src/main.rs

@@ -269,6 +269,7 @@ fn poll_device(
                             .unwrap();
                         ctx.request_repaint();
                     }
+                    DeviceMessage::PLLSettings(_) => {}
                 }
             }
             Err(ref e) if e.kind() == io::ErrorKind::TimedOut => (),

protocol/src/lib.rs

@@ -5,12 +5,14 @@ use serde::{Deserialize, Serialize};
 #[derive(Serialize, Deserialize, Debug, PartialEq)]
 pub enum DeviceMessage {
     Status(StatusMessage),
+    PLLSettings(PLLSettings),
 }
 
 #[derive(Serialize, Deserialize, Debug, PartialEq)]
 pub enum HostMessage {
     RequestStatus,
-    SetPLLOutputs(PLLSettings),
+    SetPLLSettings(PLLSettings),
+    GetPllSettings,
 }
 
 #[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]