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VISA Serial baud rate mismatch

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Hi guys,

 

I have a vi to read GPS parameters via Serial port. First I configure the serial port, then I write some configuration parameters via Serial and then I start getting messages with position, velocity, time, etc.

 

The producer is a timed loop. It reads everything in the serial port each 100ms and sends it to the queue. The GPS generates the messages at 100 Hz, so each loop I have 10 values of data each iteration.

 

The consumer gets the messages and converts strings to final values.

 

This works well at 115200 baud rate, but when I change to greater values such as 460800 (both the receiver and the serial port can take greater values), I start getting the messages grouped each 4 loops (in the 460800 example). I mean, I get 40 values of data one iteration (it should be 10), then 3 iterations without any data, then 1 iteration with 40 values, and so on.

 

460800 is four times 115200, so I must be doing something wrong, but I don't know what. Both the serial port and the receiver are properly configured at 460800, am I missing something else that should be configured?

 

Thanks!


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