Search found 245 matches

by smoker77
Wed Oct 16, 2019 3:02 pm
Forum: FAQ
Topic: SW License
Replies: 1
Views: 103

Re: SW License

You should purchase licenses for features which you need. Currently, only one licensed feature is available - "100 Hz NMEA output": https://marvelmind.com/product/mmsw0001/ This license is associated with modem, so you can buy one license for multiple beacons. If you don't need "100 H...
by smoker77
Wed Oct 16, 2019 12:46 pm
Forum: FAQ
Topic: ROS Marvelmind communication
Replies: 3
Views: 327

Re: ROS Marvelmind communication

Hello, Recently we have found some issue which can be reason of slow data update. Try to modify following line of the marvelmind_hedge.c file of the package source: replace line: ttyCtrl.c_iflag &= ~(IXON | IXOFF | IXANY);// turn off s/w flow ctrl by this one: ttyCtrl.c_iflag &= ~(IXON | IXO...
by smoker77
Thu Oct 03, 2019 7:57 pm
Forum: FAQ
Topic: ROS Marvelmind communication
Replies: 3
Views: 327

Re: ROS Marvelmind communication

Hello, Have you frozen the map before trying reading data from ROS? Make sure you have tracking. If map is not frozen and hedgehog doesn't update its position in dashboard, the position is also not send to ROS. Also, check protocol setting of mobile beacon in 'Interfaces' section of settings in dash...
by smoker77
Thu Oct 03, 2019 7:44 pm
Forum: FAQ
Topic: Weird compass data on UART
Replies: 1
Views: 666

Re: Weird compass data on UART

Hello, It looks like negative values. Compass values are signed 16 bit represented in two's complement code. https://en.wikipedia.org/wiki/Two%27s_complement Value -1 is represented as 65535 and so on. Generally, if "V" is received 16-bit value and high bit of this value is 1, you should t...
by smoker77
Sun Sep 15, 2019 4:57 pm
Forum: FAQ
Topic: I can not connect Mini-RX beacon to the dashboard
Replies: 4
Views: 1959

Re: I can not connect Mini-RX beacon to the dashboard

Hello,

Yes, it seems mini-Rx doesn't recognized by Dashboard in Linux when connected via USB.
We will fix this issue in next software update
by smoker77
Sun Sep 15, 2019 3:35 pm
Forum: FAQ
Topic: Not able to add more than 4 beacons to a submap
Replies: 3
Views: 1785

Re: Not able to add more than 4 beacons to a submap

Hello,

Now we don't plan to remove the limitation of 4 beacons per submap. But you can provide reduntance by adding more than one submap covering same area. For example following video shows tracking with two submaps with fully intersected service zones:
https://www.youtube.com/watch?v=YkiMCIOamPs
by smoker77
Sat Sep 14, 2019 9:09 pm
Forum: FAQ
Topic: Need a help
Replies: 2
Views: 1396

Re: Need a help

Hello,

There was a mistake in our ROS manual.
Please refer to updated one:
https://marvelmind.com/pics/marvelmind_ROS.pdf

Similar previous topic:
viewtopic.php?f=2&t=35065
by smoker77
Sat Sep 14, 2019 8:45 pm
Forum: FAQ
Topic: Y coordinate of Hedgehog not changing
Replies: 1
Views: 1587

Re: Y coordinate of Hedgehog not changing

Hello,

May be one of two stationary beacons was not added to submap (for example if it was added when map was already frozen) and map works in 1D mode.
Please share screenshot of the map in dashboard and file generated by 'save map' button when this situation will occur.
by smoker77
Wed Sep 04, 2019 9:29 pm
Forum: FAQ
Topic: Python functions (Windows)
Replies: 3
Views: 1619

Re: Python functions (Windows)

Hello,

Yes, we will add receiving of waypoints to the Python example in close future.
And some other features currently not supported in Python library, like RSSI and positioning quality.
by smoker77
Wed Sep 04, 2019 9:02 pm
Forum: FAQ
Topic: get marvelmind data from 2 mobile beacon to 1 lego using python
Replies: 1
Views: 1447

Re: get marvelmind data from 2 mobile beacon to 1 lego using python

Hello, Do you connect two mobile beacons to two USB ports? In this case each mobile beacon will use separate serial port and you should specify it in call. Something like this hedge = MarvelmindHedge(tty = "/dev/ttyACM0", adr=8, debug=False) #create MarvelmindHedge thread hedge.start() # s...

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