Reading and Writing USB ports

Question

I have problem Reading one USB and at the same time writing to an other USB.
Anyone that can give a hint?

LattePanda · Answer

pelle8879 wrote:I have also discovered that if i am running RTKNAVI in Lattepanda there is no bars showing sattelites in the grafik area. It works in my laptop but not in Lattepanda. Something is not the same when running RTKNAVI in win10 in my Laptop compared to running RTKNAVI in win10 Lattepanda. Any ideas?

as a stab in the dark, have you enabled your location settings in win10?
i will pass this on!

pelle8879 · Answer

I have also discovered that if i am running RTKNAVI in Lattepanda there is no bars showing sattelites in the grafik area. It works in my laptop but not in Lattepanda. Something is not the same when running RTKNAVI in win10 in my Laptop compared to running RTKNAVI in win10 Lattepanda. Any ideas?

pelle8879 · Answer

I have also done this tests:
Test1. (Laptop sending to Lattepanda)
STRSVR in win10 Laptop sending data to USB-port with radiolink (ACP220)
Serial Port Utility in Lattepanda recieving data from USB-port with radiolink (ACP220)
The data shows up in Serial Port Utility....sending from Laptop WORKS!

Test2. (Lattepanda sending to Laptop)
STRSVR in win10 Lattepanda sending data to USB-port with radiolink (ACP220)
Serial Port Utility in Laptop recieving data from USB-port with radiolink (ACP220)
The data DO NOT show up in Serial Port Utility....sending from Lattepanda DO NOT WORK!

Seems that the problem is in Win10 Lattepanda!? ...or?
Test3.
Manually Sending (Typing in) data ONLY WITH Serial Port Utility, works fine both from Laptop and from Lattepanda!
Problem occur when i use STRSVR in Lattepanda to send data.

pelle8879 · Answer

OK, I have connected a GPS reciever (NEO-M8T Time & RAW Triple Band +HMC5983 Tallysman TW2710 for RTK) on one of the USB-ports (com9) and reading inputs at a speed of 115200bps.
I have installed RTKLIB and configured input/output in STRSVR.
I am building a RTKLIB base-station for RTK kinematic. (Used in an agriculturul tractor for cm-precicion steering)
Everything is working and i can send output data over TCP-server. (u-blox data stream)
However if i try to send the same data over a radiolink (ACP220) connected to an other USB-port (com10) nothing will be transmitted to the USB-port.
If i do the same on my laptop, the data is transmitted over the USB-port via the radiolink (ACP220) and Everything is working there.
I would like to use radiolink (ACP220) over USB-port instead of TCP (WI-FI).
I am no windows expert but know a Little about it....
I would be glad to explain my Project ones i have solved the radiolink problem.

LattePanda · Answer

can you give more info? what is the behavior exactly?