From: Keith Packard <keithp@keithp.com>
Date: Sat, 8 Aug 2020 03:18:10 +0000 (-0700)
Subject: micropeak: Check for empty data when fetching log
X-Git-Tag: 1.9.5~1^2~26
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=7dd23ac750226746f340df64107dab84cd7ea113

micropeak: Check for empty data when fetching log

Don't pop up the graph window and don't save data from an erased
device.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/micropeak/MicroDownload.java b/micropeak/MicroDownload.java
index 1ede2d9a..be5a8568 100644
--- a/micropeak/MicroDownload.java
+++ b/micropeak/MicroDownload.java
@@ -64,21 +64,27 @@ public class MicroDownload extends AltosUIDialog implements Runnable, ActionList
 	}
 
 	private void done_internal() {
-		setVisible(false);
-		dispose();
-
 		if (data != null && data.crc_valid) {
-			status_value.setText("Received MicroPeak Data");
-			owner = owner.SetData(data);
-			MicroSave save = new MicroSave(owner, data);
-			if (save.runDialog())
-				owner.SetName(data.name);
+			if (data.nsamples == 0) {
+				JOptionPane.showMessageDialog(owner,
+							      "No Flight Data Present",
+							      "Empty Log",
+							      JOptionPane.WARNING_MESSAGE);
+			} else {
+				status_value.setText("Received MicroPeak Data");
+				owner = owner.SetData(data);
+				MicroSave save = new MicroSave(owner, data);
+				if (save.runDialog())
+					owner.SetName(data.name);
+			}
 		} else {
 			JOptionPane.showMessageDialog(owner,
 						      "Download Failed",
 						      "Flight data corrupted",
 						      JOptionPane.ERROR_MESSAGE);
 		}
+		setVisible(false);
+		dispose();
 	}
 
 	public void drain_queue() {