Search found 173 matches

by justinleeyang
Sun May 27, 2018 4:33 pm
Forum: Loco Positioning System
Topic: test loco position but cfclient no any response
Replies: 15
Views: 1689

test loco position but cfclient no any response

hi, we try to update the loco anchor and cf2 to newest code, but find cfclient don't any respone, we have alreadly force the range mode with twr, console info as following: DECK_DRIVERS: Found 14 drivers DECK_INFO: Found 0 deck memory. DECK_INFO: compile-time forced driver bcDWM1000 added DECK_CORE:...
by justinleeyang
Sat May 19, 2018 5:47 am
Forum: General discussions
Topic: crazyradio pa mcu
Replies: 0
Views: 512

crazyradio pa mcu

hi,

crazyradio pa mcu is NRF24LU1P-F32Q32 or NRF24LU1P-F16Q32 ?
by justinleeyang
Tue Apr 10, 2018 8:02 am
Forum: Loco Positioning System
Topic: dw1000 low power listen mode
Replies: 1
Views: 371

dw1000 low power listen mode

hi, arnaud:

have you debuged the dw1000 low power listen mode ?
by justinleeyang
Wed Apr 04, 2018 12:08 pm
Forum: Loco Positioning System
Topic: tdoa distance diff error
Replies: 6
Views: 1063

Re: tdoa distance diff error

yes, I open other tag or anchor, they send ~30 packets per second, so affect my tdoa anchors and tag receive result in distance diff error.
by justinleeyang
Wed Apr 04, 2018 12:04 pm
Forum: Loco Positioning System
Topic: remove imu, only uwb, tdoa position
Replies: 4
Views: 669

Re: remove imu, only uwb, tdoa position

with hyperbolic method, I have geted the tag's position, thanks.
and I also try your method
by justinleeyang
Wed Apr 04, 2018 3:11 am
Forum: Loco Positioning System
Topic: remove imu, only uwb, tdoa position
Replies: 4
Views: 669

Re: remove imu, only uwb, tdoa position

hi,

ok, I will try, and can 4 anchors get the tag's 2D position, no need z axis ?
by justinleeyang
Tue Mar 27, 2018 2:45 am
Forum: Loco Positioning System
Topic: tdoa distance diff error
Replies: 6
Views: 1063

Re: tdoa distance diff error

hi, arnaud:

when TDMA_SLOT_BITS set as 26, consistently wrong;
then set as 27, intermittent bad values.
by justinleeyang
Sat Mar 24, 2018 10:41 am
Forum: Loco Positioning System
Topic: tdoa distance diff error
Replies: 6
Views: 1063

tdoa distance diff error

hi, tdoa anchor mode: #define NSLOTS 8 #define TDMA_SLOT_BITS 26 // 26: 2ms timeslot #define TDMA_NSLOT_BITS 3 about the distance difference between anchors, the right value should be ~0.3m, get many wrong value as follow: 314852.0000 314756.0000 ...... 358941.0000 then adjust the TDMA_SLOT_BITS to ...
by justinleeyang
Wed Mar 21, 2018 10:42 am
Forum: Loco Positioning System
Topic: remove imu, only uwb, tdoa position
Replies: 4
Views: 669

remove imu, only uwb, tdoa position

hi, arnaud:

if disable imu, only uwb, can we get the right and stable position ?
by justinleeyang
Fri Mar 09, 2018 1:07 pm
Forum: Loco Positioning System
Topic: cfg.c NUMBER_OF_BYTES_READ issue
Replies: 4
Views: 623

Re: cfg.c NUMBER_OF_BYTES_READ issue

hi,

you are right, CubeMx i2c code buffer is 32, so when read length>32, report error. so the driver must be 32 byte as a block to read/write

thanks! thanks!