Search found 5 matches

by franpantano
Sun Oct 25, 2015 6:48 pm
Forum: OpenLRSng
Topic: Firmware one direction serial data transmission
Replies: 5
Views: 2626

Re: Firmware one direction serial data transmission

Hello, Currently I am working with the development and want to share the working code that sends the reduced NMEA GPGGA sentence through the OpenLRS system. I say reduced as I am sending only the portion of the sentence that have valuable information in order to optimize the air transmission. So far...
by franpantano
Thu Oct 22, 2015 9:05 pm
Forum: OpenLRSng
Topic: Firmware one direction serial data transmission
Replies: 5
Views: 2626

Re: Firmware one direction serial data transmission

Solved...

serial.print must be replaced by serial.write in order to get the ascii characters.

The code above is working perfectly so far.
by franpantano
Thu Oct 22, 2015 8:10 pm
Forum: OpenLRSng
Topic: Firmware one direction serial data transmission
Replies: 5
Views: 2626

Re: Firmware one direction serial data transmission

Hello, More updates... I have managed the modules to talk each other. it seems I have to turn on the receiver first and then the transmitter. The code above is ok but, Now I am having the issue that I am not receiving the nmea data from the gps at the receiver end, instead a series of numbers... Any...
by franpantano
Thu Oct 22, 2015 5:02 pm
Forum: OpenLRSng
Topic: Firmware one direction serial data transmission
Replies: 5
Views: 2626

Re: Firmware one direction serial data transmission

Hello, Some updates: I did manage to make it work just once... Seems to be something at the receiver side initializing the rf module as just plugging and unplugging the board, suddenly it worked, but then I tried to do it again and no luck. The code should be close to the good one, just need some he...
by franpantano
Thu Oct 22, 2015 9:43 am
Forum: OpenLRSng
Topic: Firmware one direction serial data transmission
Replies: 5
Views: 2626

Firmware one direction serial data transmission

Hello, I am developing a project where I want to send back from the model the serial NMEA data from a 10Hz gps. I got two OpenLRS v2 receivers and have modified the 1.12 firmware version code to try to do the work I pretend. I want just one direction transmission, no hopping, and only serial data. I...

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