Added log and automatic reconnect.

src/client.rs

@@ -26,36 +26,17 @@ impl<E> From<HostErr<WireError>> for WorkbookError<E> {
     }
 }
 
-trait FlattenErr {
-    type Good;
-    type Bad;
-    fn flatten(self) -> Result<Self::Good, WorkbookError<Self::Bad>>;
-}
-
-impl<T, E> FlattenErr for Result<T, E> {
-    type Good = T;
-    type Bad = E;
-    fn flatten(self) -> Result<Self::Good, WorkbookError<Self::Bad>> {
-        self.map_err(WorkbookError::Endpoint)
-    }
-}
-
 // ---
 
 impl WorkbookClient {
-    pub fn new() -> Self {
-        let client = HostClient::new_raw_nusb(
+    pub fn new() -> Result<Self, String> {
+        let client = HostClient::try_new_raw_nusb(
             |d| d.product_string() == Some("Bioz Amplifier"),
             ERROR_PATH,
             8,
             VarSeqKind::Seq2,
-        );
-        Self { client }
-    }
-
-    pub fn new_serial(port: &str) -> Self {
-        let client = HostClient::new_serial_cobs(port, ERROR_PATH, 8, 9600, VarSeqKind::Seq2);
-        Self { client }
+        )?;
+        Ok(Self { client })
     }
 
     pub async fn wait_closed(&self) {
@@ -87,7 +68,6 @@ impl WorkbookClient {
         self.client
             .send_resp::<StartImpedanceEndpoint>(&StartImpedance { update_frequency: 60, sinus_frequency: frequency })
             .await?;
-
         Ok(())
     }
 
@@ -96,13 +76,6 @@ impl WorkbookClient {
             .client
             .send_resp::<StopImpedanceEndpoint>(&())
             .await?;
-
         Ok(res)
     }
-}
-
-impl Default for WorkbookClient {
-    fn default() -> Self {
-        Self::new()
-    }
-}
+}