Re: [Discuss-gnuradio] Changing transmit gain

[Marcus Müller]

Hi Tellrell,

um, that's kind of hard to tell without knowing your flow graph!

However, if you've got a block (eg. the USRP Sink) that allows configuration through async message passing:

Try my gr-msgblock OOT Module, and use/modify variable_to_msg to translate the variable to a message that you send to that block.

Best regards,

Marcus

On 06/21/2017 05:26 PM, Tellrell White wrote:

Hello Guys
I have a flowgraph attached where I'm trying to generate BER curves for different transmit gain values. Right now, I have gui slider that allows me to adjust the gain values, however, I would like to know if it's possible to have the gain values adjust automatically by changing the python script for the flowgraph. If so, I would appreciate any ideas or examples on how to do this.

Thanks
Tellrell White

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