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is 8 receivers supported or not? #22
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Hi - There is an overlap in register definitions that prevents using the
8th receiver
on OpenHPSDR systems. So the limit is 7 receivers.
…-- Tom, N5EG
On Mon, Oct 24, 2022 at 9:13 AM jyrts ***@***.***> wrote:
I'm using RedPitaya SDR in HPSDR receiver mode with CW Skimmer Server - it
supports up to 8 receivers no problem.
Does the gr-hpsdr with RedPitaya SDR support 7 or is also capable of 8
receivers?
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I do not think that there is an overlap. The idea for the 8th receiver comes from HermesIntf. The receiver compatible with HPSDR for the Red Pitaya board uses same code/address for the 8th receiver as used in HermesIntf. The code/address used for the 8th receiver is
The last code/address described in the HPDSR protocol documentation is
Thus, the code used for the 8th receiver is outside the range of codes/addresses described in the HPDSR protocol documentation. |
HI Pavel - nice to meet you (virtually).
The latest version of the HPSDR - USB Data Protocol document I could find
is V 1.60. This defines
the address for Receiver 7 as C0 0 0 0 1 0 0 0 x which is different
from what you have listed.
I am guessing that there is probably some new document that defines changes
to the protocol. I do not have that
document, and don't even know what it would be called.
Is it possible for you to send me that document?
…-- Tom, N5EG
On Tue, Nov 29, 2022 at 2:28 PM Pavel Demin ***@***.***> wrote:
I do not think that there is an overlap.
The idea for the 8th receiver comes from HermesIntf
<https://github.com/k3it/HermesIntf>.
The receiver compatible with HPSDR for the Red Pitaya board uses same
code/address for the 8th receiver as used in HermesIntf
<https://github.com/k3it/HermesIntf>.
The code/address used for the 8th receiver is
C0
0 0 1 0 0 1 0 x C1, C2, C3, C4 NCO Frequency in Hz for Receiver 7
The last code/address described in the HPDSR protocol documentation is
C0
0 0 1 0 0 0 1 x
Thus, the code used for the 8th receiver is outside the range of
codes/addresses described in the HPDSR protocol documentation.
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Sorry for the wrong receiver number in my previous comment. It is receiver 8 of course. I just corrected it in my previous comment. I was looking at version 1.58 (USB_protocol_V1.58.doc). This was the latest version that was available when I was playing around with the HPSDR protocol. I see that there is now version 1.60 and it has a new not very well documented command that indeed has the same code/address as the code/address used by HermesIntf for the 8th receiver. There are still a lot of unused codes/addresses. Is there a code/address you would prefer to use for the 8th receiver? I can easily add this code/address to my application for the Red Pitaya board. |
Thank you for the information, Pavel. I don't see a need to change the C0 address of Rx_8 at this time. |
I'm using RedPitaya SDR in HPSDR receiver mode with CW Skimmer Server - it supports up to 8 receivers no problem.
Does the gr-hpsdr with RedPitaya SDR support 7 or is also capable of 8 receivers?
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