On the other hand we may want to detect we got NAK'd and retry or abort, or at least check that we have a position before we send it. Since I had to autolocate anyway maybe it isn't a big deal. If this happens then gps_save_lat and gps_save_lon are zero, and a bad position will get sent when we reset the time. But I have seen the "CMDDAT Xfer Posn" request get NAK'd. If I run gpsbabel in the guest and have virtualbox pass through the com port the device usually communicates OK. There is a potential problem I have observed with this setup: GPS12 usb serial adapter windows 10 host virtual box unbutu bionic guest. I am wondering if sending time and sending position without first sending an almanac invalidates the existing almanac. I tried this code and the date came up to 2019, but it seems I had to do an autolocate again. Previously I had gone through autolocate to 3D and let it sit for hours outside, but the date was stuck in 1999. Unit: eTrex Vista HCx Software Version 3.30 I can confirm mine reports having the A600/D600 capability, not that that means much of course! It's entirely possible Garmin's statement that the utility "no longer works" means current firmware on all units no longer accepts the timeset command. I definitely found more users seeking the tool than reporting having used it, so superstitious may be pretty close to a dead-on description! I thought so, but given the zillions of google pages I've been through lately, I could easily have missed that the units where folks reported success were all serial vs USB. I'll have to go back and search more to see if I can find anyone claiming the garmin timeset util worked on a USB device. Reply to this email directly, view it on GitHub You are receiving this because you are subscribed to this thread. Like moving the resettime check *AFTER* the GPS_Init() call would solve Gps_date_time_transfer hasn't been set when the value is checked. So resettime never works, even for units supporting pA600 because
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In - where it's set to -1, then later (potentially) overwrittenīy function GPS_A001 in called from within GPS_A000. ThisĬannot be true, as gps_date_time_transfer is first set in function GPS_A000 Unfortunately, in, the GPS_Command_Send_Time() function firstĬhecks that global variable gps_date_time_transfer has value pA600. Is called long before GPS_Init is called (3 if clauses lower) GPS_Command_Send_Time(qPrintable(fname), current_time().toTime_t())