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Merge pull request #1283 from srcejon/fix_1278

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USRP: Don't modify master clock rate unless device has /mboards/0/auto_tick_rate property
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Edouard Griffiths 2022-06-07 10:06:47 +02:00 committed by GitHub
commit c5bcc9072c
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1 changed files with 5 additions and 4 deletions
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9
devices/usrp/deviceusrpparam.cpp
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@ -50,10 +50,13 @@ bool DeviceUSRPParams::open(const QString &deviceStr, bool channelNumOnly)
m_loRangeTx = m_dev->get_fe_tx_freq_range();
// For some devices (B210), rx/tx_rates vary with master_clock_rate
// which can be set automatically by UHD. For other devices,
// master_clock_rate must be set manually (currently as a device arg)
// Note master_clock_rate is rate between FPGA and RFIC
// tx/rx_rate is rate between PC and FPGA
uhd::meta_range_t clockRange = m_dev->get_master_clock_rate_range();
if (clockRange.start() == clockRange.stop())
uhd::property_tree::sptr properties = m_dev->get_device()->get_tree();
if ((clockRange.start() == clockRange.stop()) || !properties->exists("/mboards/0/auto_tick_rate"))
{
m_srRangeRx = m_dev->get_rx_rates();
m_srRangeTx = m_dev->get_tx_rates();
@ -73,9 +76,7 @@ bool DeviceUSRPParams::open(const QString &deviceStr, bool channelNumOnly)
m_srRangeTx = uhd::meta_range_t(std::min(txLow.start(), txHigh.start()), std::max(txLow.stop(), txHigh.stop()));
// Need to restore automatic clock rate
uhd::property_tree::sptr properties = m_dev->get_device()->get_tree();
if (properties->exists("/mboards/0/auto_tick_rate"))
{
if (properties->exists("/mboards/0/auto_tick_rate")) {
properties->access<bool>("/mboards/0/auto_tick_rate").set(true);
}
}