GNSS positioning

Ask questions and find answers on Teseo GNSS positioning solutions. Discuss NMEA sentences, SBAS activation, and signal troubleshooting.

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Resolved! STA8100 NMEA Data Flow Filter

Hi,Currently using the STA8100_MF_DRAW_Binary_Image_v5_9_22 firmware, could you demonstrate commands to specify the received NMEA data streams, such as $GPGSV, or commands to disable all data streams & control the output frequency? It would be great ...

chriswu by Associate
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  • 2 replies
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Taseo-LIV4F Firmware Upgrade for NavIC

While upgrading Taseo Firmware for NavIC through UART interface to PC, I got the following error message:Upgrade command errorPlease check software baud rate or select recovery modeMy setting are:Loader baud rate: 115200Software baud rate 115200Jumpe...

TESEO LIV3F: Antenna RF path

Hi,I just designed a pcb with LIV3F module. I tried to follow layout instructions but I'm not RF expert. I can read through the USART bus but every values (GPGGA, GPVTG, etc.) are set to 0, as if there is no input RF signal. Herein below schematic de...

vin883_0-1727810856124.png
vin883 by Associate II
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  • 9 replies
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LIV4F-ME Firmware Documentation

Thanks for the info and the code snippets in this thread. However, they aren’t as good as proper documentation. Will the LIV4F docs get an update to include all of the LIV4FM / ME firmware details?   Related thread: https://community.st.com/t5/gnss-p...

WiFiLuke by Associate II
  • 1998 Views
  • 6 replies
  • 1 kudos

GPS data being sent vs Teseo Suite

Hello all,   I have a GNSS1A1 board with the LIV3F module. My problem is, in teseo suite my gps location shows up accurately, however when I look at the messages it is clear to me my location in those messages are far away from me.How is this possibl...

gamelk by Associate III
  • 1059 Views
  • 1 replies
  • 1 kudos

Resolved! PROBLEM WITH X-NUCLEO-GNSS1A1 and NUCLEO-F446ZE

Hi I have connected the GNSS1A1 board and F446ZE boards. When I run the FW (Virtual Com Port) that I set up through STM32CUBE IDE (X-CUBE-GNSS) and start the program, when it enters MX_GNSS_Process() the gnssMsg struct's buffer pointer is pointing at...

bufatreserved.png bufatreserved.png bufatreserved.png
gamelk by Associate III
  • 6757 Views
  • 20 replies
  • 1 kudos

teseo vic3da does not update location

Hi, I bought a TESEO VIC3DA from MIKROE some time ago. I am addressing it via UART. I am receiving RX data, but it is always the same. The same location is always returned. I can also see in the frame that I have 0 satellites. However, I had the hard...

Resolved! VIC3DA supply voltage

Hi,We are looking at the schematics of the EVB-VIC3DA (https://www.st.com/en/evaluation-tools/evb-vic3da.html#cad-resources) and it looks like that the board could be powered at 1.8V but according to the datasheet the min recommended voltage is 2.97 ...

leofocuy by Associate II
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  • 1 replies
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Resolved! LIV4F firmware update protocol

Hi, We're attempting to update the LIV4F firmware via the UART interface from an embedded device, however, we're unable to replicate the steps documented in UM3009.Our code works up until the the baud rate configuration step in Figure 2, after which ...

kpw by Associate II
  • 2141 Views
  • 3 replies
  • 1 kudos