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Dave_fr replied to johnkowalsky's discussion Raspberry PI
"You are rising the question of latency but, (I'm not a linux specialist) to my knowledge the linux kernel offers realtime capabilities. Isn't the ar.drone running on linux ?"
Mar 30, 2013
Dave_fr commented on PX4's blog post Introducing the PX4 autopilot system
"I have one question :
I don't quite understand the interactions between the px4 autopilot project and the Pixhawk one. When I look at the pixHawk project, I see that the hardware used is different to the px4 autopilot and is not using an RTOS. I sup…"
Sep 24, 2012
Dave_fr commented on PX4's blog post Introducing the PX4 autopilot system
"Nice ! Is it running the nuttx rtos based software ?"
Sep 24, 2012
Dave_fr commented on PX4's blog post Introducing the PX4 autopilot system
"I think that's what all other potential buyers inluding me are waiting for ..."
Sep 20, 2012
Dave_fr commented on PX4's blog post Introducing the PX4 autopilot system
"Thanks for your answer,

I also very much appreciate the whole system architecture. I think I'll wait to see something flying for real before I get it. The architecture looks very promissing but the nuttx RTOS seems to be very new and not that well…"
Sep 15, 2012
Dave_fr commented on PX4's blog post Introducing the PX4 autopilot system
"This question is probably a bit out of place but can someone tell me what is going on with the code side of the px4 project ?"
Sep 14, 2012
Dave_fr commented on Wouter van Verre's blog post Developing an IMU from the UAVDevBoard
"So, here are the frequencies the UAV DevBoard will run at:7.5 MHz : fast RC16 MHz : crystal30 MHz : fast RC + 4X PLL60 MHz : fast RC + 8X PLL120 MHz : fast RC + 16X PLL

I don't underdand why these frequencies are the only ones acceptable. I see tha…"
Mar 10, 2012
Dave_fr commented on Ben Levitt's blog post UDB4 Available Today from SparkFun
"Thanks for your answers !
 
But then, why not selling the UDB with a bootloader already installed ?
 "
Nov 26, 2011
Dave_fr commented on Ben Levitt's blog post UDB4 Available Today from SparkFun
"I'm trying to load the code with PicKit2. I use pickit2 as standalone with the pickit2 associated software. I connect the board with the triangle on the pickit2 facing the dash on the UDB4, power it with external 5 volt power source. After selecting…"
Nov 26, 2011
Dave_fr replied to Chris Anderson's discussion Discussion forum for UAVDevBoard, Sparkfun's 3-axis IMU-based autopilot board
"I just ordered a udb4 board. I've installed mplab along with the c30 compiler evaluatation version on two differents computers. When I try to compile the matrixpilotV3.2 for udb4 I get the same error on both computers :
"../libDCM/../libUDB/libUDB_d…"
Oct 24, 2011
Dave_fr commented on Ben Levitt's blog post UDB4 Available Today from SparkFun
"Can someone tell me wether picKit2 would be ok to program it ?"
Oct 21, 2011
Dave_fr replied to Matthew M's discussion MediaTek MT3329 GPS 10Hz
"Can someone tell me how to change the factory settings (bds rate, update rate ect...)."
May 27, 2010
Dave_fr replied to Matthew M's discussion MediaTek MT3329 GPS 10Hz
"I received mine today. I connected Vcc to 3.3 volts, GND to 0V, nothing comes out of TX pin.
Can somone help me ?"
May 26, 2010
Dave_fr commented on William Premerlani's blog post Programmers for the UAV DevBoard
"Hi everyone,

Can you do some debugging on the UDB using the pickit 2 ?"
Mar 21, 2010
Dave_fr commented on Jose Julio's blog post ArduPilot Mega sensor shield testing report
"Fantastic ! Getting one step closer !"
Mar 17, 2010
Dave_fr commented on Bryan Cuervo's blog post The UAV DevBoard and latest firmware in action
"Leaves me speechless ...
Congrats !"
Nov 7, 2009
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