So, closing SerMon and re-opening after upload would eliminate that hitch in advance. Requires SerMon Close and re-open then it connects and runs fine. With IDE 2, been finding here that open SerMon working before upload will not 'reconnect' after upload. I am totally out at sea on how to delve further. But maybe the prior behavior masked an issue with the loader action sequences. Since this started with IDE 2.0.2, which included code fixing a bug related to serial port recapture failure (or slowness) disabling the "Compile" AND "Upload" menu-items, it would be easy to blame the IDE. I don't know whether the IDE or the Teensyloader is not working right, but as it stands they appear not to be getting along smoothly. I have also determined (as best I can) that this problem DOES NOT happen when the Serial Monitor window is closed.
This is just a patchwork solution, and does not work every time. If I close the loader after each upload, this problem seems to happen less frequently. Perhaps even some hints on what more I could do to better define the events.Īddendum: It appears that when the Teensy loader is not running and I upload, it opens (as expected) and programs normally. While it started with a single update to the IDE, I cannot eliminate either software component as the culprit. I ask here because I lack the knowledge/experience to analyze what happens between the Teensy loader and the IDE to develop a credible root cause for the problem. I tried to get some help on the Arduino forums, but so far it no one else has noticed this. It happens in a short time frame (just a second or so longer), but it is detrimental to my work (or play, whatever) here, as the shutdown/restarts are not instant. The progress bar on the IDE itself seems to be still moving after the Teensy Uploader has said it was done. There seems to be a timing issue involved. I sometimes encounter this problem on every upload, sometimes I get a random few before it happens.
Of course, the UNO upload happens much faster than the ~80K code++ I am pumping out at this point. This does not happen on a UNO (other boards not tested here). This problem was not there in 2.0.1 and prior, but what happens is after SOME uploads to my Teensy 4.1, the "Upload" menu-item gets greyed out (and requires a program restart to clear it up).
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