"@Martin, i strongly believe that PX4 driver is more compatible with windows XP than vista. but eventully the problem will be resolved. i am facing a very wiered problem. when i upload arducopter i can connect mavlink to mission planner. but when i…"
John Mulligan's Discussions
Px4 Testing
Started this discussion. Last reply by Ravi 31 minutes ago. 110 Replies 1 Like
I am starting this discussion to post information for testing the Px4 platform.Most of the discussion is currently in the APM vs Px4 thread. ArduCopter on the Px4 is a work in progressand has made…Continue
Tags: Px4
PX4 Multiwii
Started this discussion. Last reply by John Mulligan Feb 21. 1 Reply 0 Likes
Timecop's port of Multiwii to STM32 should work on the PX4 with some changes to put the mpu6000 in to I2c mode and use it as a Mpu6050 ,or a new Multiwii driver for Mpu6000. The latest version …Continue
2.7.4 Beta DMP
Started this discussion. Last reply by John Mulligan Nov 10, 2012. 3 Replies 0 Likes
I was not able to find any discussion of the DMP since it was released .So I gave it a try with the latest fixes from the Git trunk. since it turned out 2.7.4 Beta from downloads had a bug …Continue
Tags: DMP
APM2 2560 SPI/ISP can not Flash
Started this discussion. Last reply by John Mulligan Dec 1, 2012. 7 Replies 1 Like
While updating to AC2.7 the 2560 Bootloader got corrupted and would not work. I have tried to flash the Arduino Bootloader over the ICSP but have too many errors. Alot of fustrating time…Continue
John Mulligan's Page
Latest Activity
Martin Poller replied to John Mulligan's discussion Px4 Testing"Thanks Ravi, that worked, I used another laptop with windows Vista and can connect with mavlink to MP and also upload firmware.
The mavlink connection isn't as reliable with Vista as it is with XP, but I still cant upload firmware with XP, the…"
Martin Poller replied to John Mulligan's discussion Px4 Testing"But there again I can now get updated firmware using mission planner, it's just a matter of getting the timing correct between pressing the PX4 reset button hitting the OK tab on mission planner.
I was pushing the OK button first.
Just the…"
Martin Poller replied to John Mulligan's discussion Px4 Testing"@Gary,
I loaded up the most up to date PX4FMU driver version 2.0.0 and immediately suffered connection problems, I've just rolled back to driver version 1.6.2.0 and mavlink is now connecting fine again, using MP 1.2.50 and windows XP."
Wiki NinjaGary McCray replied to John Mulligan's discussion Px4 Testing
"Hi Ravi,
PX4 is tricky to get to hook up to Mission Planner.
The only way I can do it is:
Start Mission Planner.
Hook up USB to PX4.
Wait for 5-10 seconds for it to time out to MavLink USB mode (beeps) then select "Connect" tab.
Usually…"
Ravi replied to John Mulligan's discussion Px4 Testing"@martin, try another computer which has very few com ports in use. mission planner now has a reliable USB driver for PX4. it worked for me. i tried another computer and it worked. actually PX4 has a software based USB to serial converter and that is…"
Ravi replied to John Mulligan's discussion Px4 Testing"Hi gary, no luck with the new driver. still same. i get mavlink data for arducopter but for arduplane. with 3DR radio also same status. arducopter sends data but arduplane does not.;"
Martin Poller replied to John Mulligan's discussion Px4 Testing"@Ravi, I seem to have the exact opposite to you, I can connect mavlink to mission planner via usb every time now, but cannot upload firmware, I have to use Qupdate to do this.
@Gary, thanks I've uploaded the new driver but still no success,…"
Ravi replied to John Mulligan's discussion Px4 Testing"@Martin, i can upload all the firmwares to PX4 using mission planner. i cannot connect mavlink to mission planner when i upload arduplane. i can connect to mission planner when i upload arducopter. this sounds very strange but is happening."
Wiki NinjaGary McCray replied to John Mulligan's discussion Px4 Testing
"Hi Ravi,
Lately the Windows USB driver has switched from the 2 channel one we got to work in the first place to a single channel one that switches from code to MavLink mode after 10 seconds.
My guess is that is where the problem you are encountering…"
Remi replied to John Mulligan's discussion Px4 Testing"I just found how to avoid the emulated serial USB device being grabbed by the modem-manager on Ubuntu (tested on Ubuntu 13.04 amd64) when plugging the px4 to USB : simply add
ATTRS{idVendor}=="26ac", ATTRS{idProduct}=="0010",…"
Remi replied to John Mulligan's discussion Px4 Testing"Hi,
thanks for your answers. Insufficient USB power seemed to cause the misbehavior. I plugged the px4 to an USB hub with its own power supply and it seems to work correctly.
Any idea how to use a R710 with s-bus with APM on PX4 ?
Best…"
Martin Poller replied to John Mulligan's discussion Px4 Testing"Hi Ravi, how do you upload the firmware if you can't connect to MP, do you use QUpgrade instead, and if you do can you tell me how you know which version of the firmware you are uploading?"
Ravi replied to John Mulligan's discussion Px4 Testing"gary, i am able to connect to mission planner when i upload arucopter firmware. but cannot connect to mission planner when i load arduplane 2.73. i tried on both the boards. may be i should try aruplane 2.72"
Wiki NinjaGary McCray replied to John Mulligan's discussion Px4 Testing
"@$#% !
Seemed like such a great idea.
One of the problems with these trucks is that they are a little scarce on significant details.
May get back to you on this."
AdminThomas J Coyle III replied to John Mulligan's discussion Px4 Testing
"@Gary,
I am using the Traxxas 5 channle receiver on my my first Slash Rover. The problem is that the "3-way" switch on the Traxxas 5 channel transmitter is really not a true 3-way switch. One side of the switch controls channel 4…"
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