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authorMartin Braun <martin.braun@ettus.com>2015-04-06 08:52:41 -0700
committerMartin Braun <martin.braun@ettus.com>2015-04-14 13:55:38 -0500
commit6f5f0a653d0cb6eaab1707b958d9264d6a1eb44b (patch)
tree42667fac706805cff10a2cc05f171df8ec267e1b /host
parentc0d7b8f0cfc23162e41712cb8c5ee2a1d5d8d4bd (diff)
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ad9361: Removed recommended max clock rate warning
Diffstat (limited to 'host')
-rw-r--r--host/lib/usrp/common/ad9361_ctrl.cpp8
-rw-r--r--host/lib/usrp/common/ad9361_driver/ad9361_device.cpp3
-rw-r--r--host/lib/usrp/common/ad9361_driver/ad9361_device.h2
3 files changed, 4 insertions, 9 deletions
diff --git a/host/lib/usrp/common/ad9361_ctrl.cpp b/host/lib/usrp/common/ad9361_ctrl.cpp
index 85510530d..bedd2eb32 100644
--- a/host/lib/usrp/common/ad9361_ctrl.cpp
+++ b/host/lib/usrp/common/ad9361_ctrl.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2012-2014 Ettus Research LLC
+// Copyright 2012-2015 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -113,12 +113,6 @@ public:
{
boost::lock_guard<boost::mutex> lock(_mutex);
- //warning for known trouble rates
- if (rate > ad9361_device_t::AD9361_RECOMMENDED_MAX_CLOCK_RATE) UHD_MSG(warning) << boost::format(
- "The requested clock rate %f MHz may cause slow configuration.\n"
- "The driver recommends a master clock rate less than %f MHz.\n"
- ) % (rate/1e6) % (ad9361_device_t::AD9361_RECOMMENDED_MAX_CLOCK_RATE/1e6) << std::endl;
-
//clip to known bounds
const meta_range_t clock_rate_range = ad9361_ctrl::get_clock_rate_range();
const double clipped_rate = clock_rate_range.clip(rate);
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
index 7268aff2d..e3139cd39 100644
--- a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
+++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp
@@ -78,7 +78,8 @@ int get_num_taps(int max_num_taps) {
const double ad9361_device_t::AD9361_MAX_GAIN = 89.75;
const double ad9361_device_t::AD9361_MAX_CLOCK_RATE = 61.44e6;
-const double ad9361_device_t::AD9361_RECOMMENDED_MAX_CLOCK_RATE = 56e6;
+// Max bandwdith is due to filter rolloff in analog filter stage
+const double ad9361_device_t::AD9361_RECOMMENDED_MAX_BANDWIDTH = 56e6;
/* Program either the RX or TX FIR filter.
*
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.h b/host/lib/usrp/common/ad9361_driver/ad9361_device.h
index ca83f3037..bd4ad368f 100644
--- a/host/lib/usrp/common/ad9361_driver/ad9361_device.h
+++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.h
@@ -69,7 +69,7 @@ public:
//Constants
static const double AD9361_MAX_GAIN;
static const double AD9361_MAX_CLOCK_RATE;
- static const double AD9361_RECOMMENDED_MAX_CLOCK_RATE;
+ static const double AD9361_RECOMMENDED_MAX_BANDWIDTH;
private: //Methods
void _program_fir_filter(direction_t direction, int num_taps, boost::uint16_t *coeffs);