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Want to read data for discovery RF node

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By erdeepakcs , 30 May, 2017
Forums
Gurux.Serial

hello sir,
how can i read data using Gurux serial component for discovery RF nodes which are connected in meters. Because in discovery of node there is no fix length of data and also EOP is not there.

Profile picture for user Kurumi

Kurumi

9 years 5 months ago

Want to read data for discovery RF node

Hi,

If there is no fixed length or EOP you must read data until all data is received.

Pseudo code is something like this:

serial.Send(Data to send, null);
do
{
serial.Receive(p);
}while(check that packet is received);

BR,

Mikko

erdeepakcs

9 years 5 months ago

In reply to Want to read data for discovery RF node by Kurumi

hi sir

but when i set EOP to null and message is coming Either Count or EOP must be set.

Profile picture for user Kurumi

Kurumi

9 years 5 months ago

Want to read data for discovery RF node

Hi,

Set count to 1 if you do not know how many bytes to wait. One byte is read then you can check is packet fully received.

BR,

Mikko

erdeepakcs

9 years 5 months ago

hi sir

i have set count to 1 and i am still getting same exception message. what condition should i apply to check packet is received in gurux serial.

Profile picture for user Kurumi

Kurumi

9 years 5 months ago

Want to read data for discovery RF node

Hi,

You must set it each time before calling Receive. We are resetting count after data is read.

Like this:

serial.Send(Data to send, null);
do
{
p.Count = 1;
serial.Receive(p);
}while(check that packet is received);

BR,

Mikko

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