From 31d0334ddb61bb08c13d925953b0f4ea0d25eda7 Mon Sep 17 00:00:00 2001 From: f4exb Date: Sat, 28 Oct 2017 05:40:26 +0200 Subject: [PATCH] LimeSDR: updated documentation --- Readme.md | 4 +--- plugins/samplesink/limesdroutput/readme.md | 2 ++ plugins/samplesource/limesdrinput/readme.md | 2 ++ 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/Readme.md b/Readme.md index 84a9013bd..d1174e141 100644 --- a/Readme.md +++ b/Readme.md @@ -103,9 +103,7 @@ HackRF is better used with a sampling rate of 4.8 MS/s and above. The 2.4 and 3.

LimeSDR

-⚠ LimeSuite library is difficult to implement due to the lack of documentation. The plugins should work normally when running as single instances. Support of many Rx and/or Tx instances running concurrently is experimental and not actively supported. - -Sometimes changing parameters in one instance or stopping/starting it will make the other fail or block everything. If you are lucky enough and don't change the configuration too much you may make it work but generally this is not reliable. +⚠ LimeSuite library is difficult to implement due to the lack of documentation. The plugins should work normally when running as single instances. Support of many Rx and/or Tx instances running concurrently is considered experimental. You will need a minimal installation of LimeSuite: diff --git a/plugins/samplesink/limesdroutput/readme.md b/plugins/samplesink/limesdroutput/readme.md index 860e0a959..10c2ad98d 100644 --- a/plugins/samplesink/limesdroutput/readme.md +++ b/plugins/samplesink/limesdroutput/readme.md @@ -45,6 +45,8 @@ Device start / stop button. This is the sample rate at which the DAC runs in kS/s (k) or MS/s (M) after hardware interpolation (8). Thus this is the host to device sample rate (10) multiplied by the hardware interpolation factor (8). +☞ Note that changing the hardware interpolation factor (8) or the host to device sample rate (10) may change the ADC clock sample rate and therefore the Rx side hardware decimation factor and/or device to host sample rate. In fact ADC and DAC sample rates can be equal or related by a factor of 2. +

2B: Baseband sample rate

This is the baseband sample rate in kS/s before interpolation (9) to produce the final stream that is sent to the LimeSDR device. Thus this is the host to device sample rate (10) divided by the software interpolation factor (9). diff --git a/plugins/samplesource/limesdrinput/readme.md b/plugins/samplesource/limesdrinput/readme.md index b8399ce87..1374d2fce 100644 --- a/plugins/samplesource/limesdrinput/readme.md +++ b/plugins/samplesource/limesdrinput/readme.md @@ -57,6 +57,8 @@ Record baseband I/Q stream toggle button This is the sample rate at which the ADC runs in kS/s (k) or MS/s (M) before hardware decimation (8). Thus this is the device to host sample rate (10) multiplied by the hardware decimation factor (8). +☞ Note that changing the hardware decimation factor (8) or the device to host sample rate (10) may change the DAC clock sample rate and therefore the Tx side hardware interpolation factor and/or host to device sample rate. In fact ADC and DAC sample rates can be equal or related by a factor of 2. +

1.5: Stream sample rate

Baseband I/Q sample rate in kS/s. This is the device to host sample rate (10) divided by the software decimation factor (9).