From 23930e7467ce7069d37a56e82d066e01d2e90942 Mon Sep 17 00:00:00 2001
From: Sergey Musikhin <musihin_sergei@mail.ru>
Date: Thu, 10 Jun 2021 06:40:06 +0000
Subject: [PATCH] init refclk
---
lib/bladerf/bladerf_common.cc | 40 +++++++++++++++++++++++++++++++++++
lib/bladerf/bladerf_common.h | 2 ++
2 files changed, 42 insertions(+)
diff --git a/lib/bladerf/bladerf_common.cc b/lib/bladerf/bladerf_common.cc
index ed9a8f2..244d83d 100644
--- a/lib/bladerf/bladerf_common.cc
+++ b/lib/bladerf/bladerf_common.cc
@@ -281,6 +281,15 @@ void bladerf_common::init(dict_t const &dict, bladerf_direction direction)
}
}
+ if(dict.count("ref_clk"))
+ {
+ auto freq = boost::lexical_cast<int>(_get(dict,"ref_clk"));
+ if(freq)
+ {
+ init_refclk(freq);
+ }
+ }
+
/* Show some info about the device we've opened */
print_device_info();
@@ -421,6 +430,37 @@ size_t bladerf_common::get_max_channels(bladerf_direction direction)
#endif
}
+void bladerf_common::init_refclk(int freq)
+{
+ const bladerf_range * range = nullptr;
+ auto status = bladerf_get_pll_refclk_range(_dev.get(),&range);
+ if (status != 0) {
+ BLADERF_WARNING("bladerf_get_pll_refclk_range: "
+ << bladerf_strerror(status));
+ }
+ if (freq < range->min || freq > range->max)
+ {
+ BLADERF_WARNING(freq <<" not in ref_clk range("
+ << range->min << " - "<< range->max <<")");
+ }
+ else
+ {
+ status = bladerf_set_pll_enable(_dev.get(), true);
+ if (status != 0) {
+ BLADERF_WARNING("bladerf_set_pll_enable: "
+ << bladerf_strerror(status));
+ }
+ else
+ {
+ status = bladerf_set_pll_refclk(_dev.get(), freq);
+ if (status != 0) {
+ BLADERF_WARNING("bladerf_set_pll_refclk: "
+ << bladerf_strerror(status));
+ }
+ }
+ }
+}
+
void bladerf_common::set_channel_enable(bladerf_channel ch, bool enable)
{
_enables[ch] = enable;
diff --git a/lib/bladerf/bladerf_common.h b/lib/bladerf/bladerf_common.h
index 4ed1c43..eca363c 100644
--- a/lib/bladerf/bladerf_common.h
+++ b/lib/bladerf/bladerf_common.h
@@ -163,6 +163,8 @@ protected:
/* Get the maximum number of channels supported in a given direction */
size_t get_max_channels(bladerf_direction direction);
+ void init_refclk(int freq);
+
void set_channel_enable(bladerf_channel ch, bool enable);
bool get_channel_enable(bladerf_channel ch);
--
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