Cat control with linhpsdr

[Lou KI5FTY]

What rig emulation should I use for cat control with linhpsdr?  I can't find it in the docs or in searching online / this group.

Thanks

Lou KI5FTY

[Matthew]

240. I have just confirmed it still works (and noticed a frequency readout bug). Any problems, report back.

73 Matthew M5EVT.

[Matthew]

I added better support for cqrlog CAT control over the weekend:

https://github.com/m5evt/linhpsdr/tree/69febb8f06bd1b0c4fc2bb767537f2892425fd2f

73 Matthew M5EVT.

[John Williams]

Hi Matthew,

I tried your code on a Pi4 running dual monitors. PiHPSDR runs fine here but thought that LinHPSDR would use the screen space better and give me multiple receivers.

Anyway, Raspbian does not package libsoundio. So I went to github and pulled down the latest bits and built it. Got it to work except the audio is very choppy. Almost unintelligible. Any thoughts on what to try?

I am using a XFi Surround 5.1 for the sound card interface.

A Pi4 with dual monitors is remarkably powerful. I am thinking of buying a 120GB SSD to add to it to give it a bit more boost.

John

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[Matthew]

I'm afraid I don't have a Pi4 so can't try this myself.

Were you using soundio or alsa in the radio config tab? If soundio, which backend?

I would suspect something relating to buffer sizes in audio.c.

73 Matthew M5EVT.

On Monday, 23 March 2020 19:24:24 UTC, John Williams wrote:

Hi Matthew,

I tried your code on a Pi4 running dual monitors. PiHPSDR runs fine here but thought that LinHPSDR would use the screen space better and give me multiple receivers.

Anyway, Raspbian does not package libsoundio. So I went to github and pulled down the latest bits and built it. Got it to work except the audio is very choppy. Almost unintelligible. Any thoughts on what to try?

I am using a XFi Surround 5.1 for the sound card interface.

A Pi4 with dual monitors is remarkably powerful. I am thinking of buying a 120GB SSD to add to it to give it a bit more boost.

John

On 3/23/2020 1:41 PM, Matthew wrote:

I added better support for cqrlog CAT control over the weekend:

https://github.com/m5evt/linhpsdr/tree/69febb8f06bd1b0c4fc2bb767537f2892425fd2f

73 Matthew M5EVT.

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[John Williams]

Matthew,

What sound settings do you suggest?

John

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[Matthew]

To confirm, are we talking about receive audio being choppy? If so, does it behave the same with the onboard audio out and no external USB sound card connected?

What is the CPU usage?

To debug this, I would suggest alsa. Does your OS have Pulseaudio? If so I suggest trying that after alsa to see if behavior differs.

73 Matthew M5EVT.

[John Williams]

Finally got this to work. Cockpit error. On the RX tab you have to select the physical audio device and select local audio. The pulldown box is blank, so it was not obvious to select that first then local audio. On Pihpsdr it shows them as bullet buttons (or what ever they are called). All working now.

The choppy audio was on ubuntu 19.10. I like Raspbian better so will stay here.

John

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