Hello Everybody. We are experiencing difficulty in uploading new data to the ATTO. We have good data com Thank You. Bob.ing down but cannot seem to find the correct method for uploading. Any help…Continue
Started this discussion. Last reply by Chris McNair Mar 4, 2010.
"I don’t quite understand why mine works just fine and everyone else is having problems. I will ask Dean if we did anything different but I am sure we have not. My XSC is set at 57600 and I don’t loose any packets. I am flying an IMU not…"
"For those of us having XBee XSC issues, I was reading this today from the XSC manual:
"Two cases in which the DI Buffer may become full and possibly overflow:
• If the serial interface data rate is set higher than the RF data rate of the…"
I will be with Dean this weekend and we are working on these matters. We hope to tie up many loose ends by Tuesday of next week. This will also be a final and locked firmware solution as well as telemetry data protocol for V1.8.
I will keep…"
"You'd have to ask the experts (i.e. Chris & Dean), but I don't believe thermopile Attos transmit the $GPS sentence as defined in the uplink document.
Perhaps the $GPS sentence is/was intended for the IMU version, but this is mere…"
"What happened to the $GPS string? Right now I get the GPGGA, GPVTG, and GPRMC strings, which aren't as tidy or as easy to work with as the $GPS string documented in the "uplink commands to attopilot" pdf. The $ATTO string comes…"
Atto only sends GPS info until the home position is locked, after the home position is locked it then sends everything.
Flicking from Man to Auto and then back to Man locks the home position. But be careful because I you flick to Auto again…"
"Thanks Scott, That all sounds like just the ticket. We wiped out our OEM in a little accident so it will be some time before I am back on air I am afraid but I will keep you posted. Thanks for taking the time to respond. WE were getting pretty…"
We had similar issues with the x-tends. We had to set the modem Baud rate at 38,400 and the over air rate at 115,200. With the over air rate at 9600 is was unusable! The x-tend’s were messing up the strings while doing the…"