LWMESH Range - Page 1
Forum section: electronics / beginners

author: Peili
author_rank: Regular Contributor
timestamp: February 15, 2019, 03:30:12 am
content: hi,i'm doing a tracking with the LwMesh1.2.1 version.i have coordinators, routers and end devices... One question is how accurate can we track things?Is it a discrepancy of 1 meter or 2 or 3 etc.. how to check the accuracy of objects?

author: ataradov
author_rank: Super Contributor
timestamp: February 15, 2019, 03:36:11 am
content: You can't at all. RSSI is the only range-dependent indicator and it depends on the environment, antenna orientation, and other random stuff.

author: Peili
author_rank: Regular Contributor
timestamp: February 18, 2019, 11:47:16 am
content: HI,i have to use 5 to 10 end devices under a router.Is there any problem with routing?

author: ataradov
author_rank: Super Contributor
timestamp: February 18, 2019, 05:04:20 pm
content: The question is too broad. In general, no, you should not have any problems.

author: Peili
author_rank: Regular Contributor
timestamp: February 19, 2019, 03:26:33 am
content: hi,what are the value we can use for NWK_ROUTE_DISCOVERY_TIMEOUT?

author: ataradov
author_rank: Super Contributor
timestamp: February 19, 2019, 05:50:17 am
content: That depends on your application and network size. The default 2 or 3 seconds is fine for most cases.

author: Peili
author_rank: Regular Contributor
timestamp: May 25, 2019, 12:50:18 pm
content: Hi, i would like to see all the transmitted data at the Router side.. That means i have to check all the data transmitted by router.. and i have to check a condition with that data.. Where i can out the data? Please help me to solve this..

author: ataradov
author_rank: Super Contributor
timestamp: May 25, 2019, 04:50:17 pm
content: Transmitter by what devices? If you want to receive all data from all devices in the range, then you need to use promiscuous mode, but then this device can't be a part of the network. And it will be just a sniffer.

author: ataradov
author_rank: Super Contributor
timestamp: May 26, 2019, 03:33:23 am
content: 1. Capitalize your sentences.2. Explain yourself better. If you don't want to put any work into questions, why would I want to put any work into answers?

author: ataradov
author_rank: Super Contributor
timestamp: May 26, 2019, 04:04:28 am
content: https://en.wikipedia.org/wiki/Capitalization

author: ejeffrey
author_rank: Super Contributor
timestamp: May 26, 2019, 04:06:34 am
content: Despite the snarky bolding and still incorrect capitalization, your description is quite helpful -- do that first next time. It suggests you want the opposite of what it sounded like before. You want to conditionally modify data received by the "router" before passing it on? That is a standard functionality of connection tracking router/firewalls. For instance, NAT works by modifying the headers of packets flowing through the router, and "deep packet inspection" filters look at the payload as well as the headers.You will need to do this on the router. Specifically you will need to modify the firewall / routing configuration on your router to send candidate packets (based on standard header criteria like source/destination IP and ports) to a filter application which you will have to write that does the appropriate deep packet inspection and modification before sending them back to the network. The exact APIs you will use depend on what router you are using.I'm assuming you have limited control over the endpoint devices, since modifying the data in transit is not the best way to do this. Its much better to send the correct information in the first place.It would be helpful to know what protocol the end devices are speaking. HTTP? TCP? UDP?

author: ataradov
author_rank: Super Contributor
timestamp: May 26, 2019, 04:08:15 am
content: It is in the title - LwMesh. It is a wireless stack that has literally 10 files of the source code. There is no excuse after working with it for years to not know where this processing happens.

author: Neethu
author_rank: Newbie
timestamp: May 26, 2019, 07:42:19 am
content: hi all, i'm new to LWMESH and i would like to use LWMESH1.2.1 version.. i would like to make one coordinator and 5 router and 2 end devices.. the end devices send its Address and some sensor data to Coordinator. End device place so far from coordinator and it should route to Coordinator.. When it route the data a decision check should take at the side of router.. Where i can add that decision check at router side? i have to analyse the data come to router(sensor data value greater than some value).. then the router should take decision like the data should route or ignore... How can it be possible? Please help to solve this..

author: ataradov
author_rank: Super Contributor
timestamp: May 26, 2019, 07:44:54 am
content: Do you really think we are that stupid?

author: Neethu
author_rank: Newbie
timestamp: May 26, 2019, 07:49:23 am
content: Quote from: ataradov on May 26, 2019, 07:44:54 amSorry, i'm new to this development and the old oneQuiet.. So i don't know anything about this and that's why i'm asking... I'm a fresher and don't know very much about this stack and applications.. Just started ..i'm really sorry if it makes like that.. I'm in a confused state and i don't know how to manage it... Sorry for the things Alex

author: ataradov
author_rank: Super Contributor
timestamp: May 26, 2019, 07:52:48 am
content: If you can't figure it out, you are not qualified for that job.Also, read the Wikipedia article on capitalization's. Hint "I" is always capitalized in English.

author: Neethu
author_rank: Newbie
timestamp: May 26, 2019, 07:55:59 am
content: Quote from: ataradov on May 26, 2019, 07:52:48 amSorry Alex.. I'm trying my best to do this.. But facing issues.. That's why I'm asking for your help to solve this.. My boss given only 2 days to finish this.. I'm really confused..

author: Peili
author_rank: Regular Contributor
timestamp: May 26, 2019, 09:36:16 am
content: Neethu,Make sure you are receiving data at router side.. Try to read the Documentation provided by Stack..