Fix runFile(Remote) no error output + reconnecting after failed connection

Signed-off-by: paulober <44974737+paulober@users.noreply.github.com>

Author: paulober

src/picoMpyCom.ts

@@ -71,7 +71,7 @@ export class PicoMpyCom extends EventEmitter {
    * @param port The port to connect to.
    */
   public async openSerialPort(port: string): Promise<void> {
-    if (this.serialPort?.path === port) {
+    if (this.serialPort?.path === port && this.serialPort.isOpen) {
       return;
     }
 

src/serialHelper.ts

@@ -1418,7 +1418,17 @@ export async function runFile(
     }
 
     return true;
-  } catch {
+  } catch (error) {
+    receiver(
+      Buffer.from(
+        error instanceof Error
+          ? error.message
+          : typeof error === "string"
+          ? error
+          : "Unknown error"
+      )
+    );
+
     return false;
   } finally {
     await fileHandle?.close();
@@ -1478,7 +1488,17 @@ export async function runRemoteFile(
     }
 
     return true;
-  } catch {
+  } catch (error) {
+    receiver(
+      Buffer.from(
+        error instanceof Error
+          ? error.message
+          : typeof error === "string"
+          ? error
+          : "Unknown error"
+      )
+    );
+
     return false;
   }
 }