Search found 8 matches

by lcmiao
Mon Sep 16, 2019 1:42 pm
Forum: Loco Positioning System
Topic: Data transmit via UART
Replies: 0
Views: 47163

Data transmit via UART

Hi bitcraze community,
I want to use the UART1 to output Roadrunner's location data, but when I connect to the serial port, it didn't transmit any data to the computer. I want to know what should I do? Thank you very much!
by lcmiao
Mon May 13, 2019 2:41 am
Forum: Loco Positioning System
Topic: hover
Replies: 5
Views: 3474

Re: hover

Hi Arnaud, Thanks for your reply! But When I run the motion commander demo: https://github.com/bitcraze/crazyflie-l ... er_demo.py, An error has appeared: ‘ File"C:\Users\DELL\Desktop\crazyflie-lib-python-master\examples\position_commander_demo.py", line 37, in <module> from cflib.position...
by lcmiao
Sat May 04, 2019 2:36 am
Forum: Loco Positioning System
Topic: hover
Replies: 5
Views: 3474

Re: hover

Can i use python script to achieve hover? if it is,can you give me some reference script?
Thank's a lot for your help!
by lcmiao
Wed Apr 24, 2019 11:55 am
Forum: Loco Positioning System
Topic: hover
Replies: 5
Views: 3474

hover

Hello everyone,
I am new in using the crazyflie loco positionning system and I used six anchors for the loco positioning system. I want to known how can I use my Loco Positioning System to achieve hover test?
Thank's a lot for your help!!!
by lcmiao
Sat Feb 23, 2019 7:46 am
Forum: Loco Positioning System
Topic: study kalman
Replies: 0
Views: 4483

study kalman

Dear all, I am trying to study the LPS code kalman.c of crazyflie.But because my algorithm is very poor, I found it hard to understand it.I know the twr algorithm only get the distance between CF and anchor.I don't understand kalman.c how to get position of CF only based on the distance.is there any...
by lcmiao
Wed Jan 16, 2019 12:48 pm
Forum: Loco Positioning System
Topic: Crazyflie choose a LPSAnchor to communicate
Replies: 3
Views: 2520

Re: Crazyflie choose a LPSAnchor to communicate

Hi Arnaud,
I flash the crazyflie with the crazy_firmware(I made some minor changes) in BitcrazeVM,but when flash finished, The LEDs (1 and 4) are fully lit red ,Does this mean that my code is error?
Thanks!
Dylan
by lcmiao
Wed Jan 16, 2019 12:12 pm
Forum: Loco Positioning System
Topic: Crazyflie choose a LPSAnchor to communicate
Replies: 3
Views: 2520

Re: Crazyflie choose a LPSAnchor to communicate

Hi Arnaud,

Thank you for your reply.
Best Regards

Dylan
by lcmiao
Tue Jan 15, 2019 7:16 am
Forum: Loco Positioning System
Topic: Crazyflie choose a LPSAnchor to communicate
Replies: 3
Views: 2520

Crazyflie choose a LPSAnchor to communicate

Hello everyone, I am new in using the crazyflie loco positionning system,and I used six anchors for the loco positioning system. i have two question: -How can I make the Crazyflie to communicate with the closest four anchor instead of all of them(six) ? -Where can i find in the Crazyflie firmware th...