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-rw-r--r--host/lib/usrp/x300/x300_clock_ctrl.cpp2
-rw-r--r--host/lib/usrp/x300/x300_clock_ctrl.hpp4
-rw-r--r--host/lib/usrp/x300/x300_impl.cpp76
-rw-r--r--host/lib/usrp/x300/x300_impl.hpp11
4 files changed, 53 insertions, 40 deletions
diff --git a/host/lib/usrp/x300/x300_clock_ctrl.cpp b/host/lib/usrp/x300/x300_clock_ctrl.cpp
index 6a0b19c8c..a8b30a0ab 100644
--- a/host/lib/usrp/x300/x300_clock_ctrl.cpp
+++ b/host/lib/usrp/x300/x300_clock_ctrl.cpp
@@ -48,7 +48,7 @@ x300_clock_ctrl_impl(uhd::spi_iface::sptr spiface,
set_master_clock_rate(master_clock_rate);
}
-void reset() {
+void reset_clocks() {
set_master_clock_rate(_master_clock_rate);
}
diff --git a/host/lib/usrp/x300/x300_clock_ctrl.hpp b/host/lib/usrp/x300/x300_clock_ctrl.hpp
index 4e7d6fc8e..e9904d25c 100644
--- a/host/lib/usrp/x300/x300_clock_ctrl.hpp
+++ b/host/lib/usrp/x300/x300_clock_ctrl.hpp
@@ -79,11 +79,11 @@ public:
*/
virtual void set_ref_out(const bool) = 0;
- /*! Reset the clock control.
+ /*! Reset the clocks.
* Should be called if the reference clock changes
* to reduce the time required to achieve a lock.
*/
- virtual void reset(void) = 0;
+ virtual void reset_clocks(void) = 0;
};
#endif /* INCLUDED_X300_CLOCK_CTRL_HPP */
diff --git a/host/lib/usrp/x300/x300_impl.cpp b/host/lib/usrp/x300/x300_impl.cpp
index a92a1c806..6044a7e44 100644
--- a/host/lib/usrp/x300/x300_impl.cpp
+++ b/host/lib/usrp/x300/x300_impl.cpp
@@ -596,11 +596,11 @@ void x300_impl::setup_mb(const size_t mb_i, const uhd::device_addr_t &dev_addr)
}
//Initialize clock control with internal references and GPSDO power on.
- mb.clock_control_regs__clock_source = ZPU_SR_CLOCK_CTRL_CLK_SRC_INTERNAL;
- mb.clock_control_regs__pps_select = ZPU_SR_CLOCK_CTRL_PPS_SRC_INTERNAL;
- mb.clock_control_regs__pps_out_enb = 0;
- mb.clock_control_regs__tcxo_enb = 1;
- mb.clock_control_regs__gpsdo_pwr = 1;
+ mb.clock_control_regs_clock_source = ZPU_SR_CLOCK_CTRL_CLK_SRC_INTERNAL;
+ mb.clock_control_regs_pps_select = ZPU_SR_CLOCK_CTRL_PPS_SRC_INTERNAL;
+ mb.clock_control_regs_pps_out_enb = 0;
+ mb.clock_control_regs_tcxo_enb = 1;
+ mb.clock_control_regs_gpsdo_pwr = 1;
this->update_clock_control(mb);
//Create clock control
@@ -611,8 +611,7 @@ void x300_impl::setup_mb(const size_t mb_i, const uhd::device_addr_t &dev_addr)
dev_addr.cast<double>("system_ref_rate", X300_DEFAULT_SYSREF_RATE));
//wait for reference clock to lock
- while (not get_ref_locked(mb.zpu_ctrl).to_bool())
- boost::this_thread::sleep(boost::posix_time::milliseconds(100));
+ wait_for_ref_locked(mb.zpu_ctrl, 1.0);
////////////////////////////////////////////////////////////////////
// create clock properties
@@ -1291,32 +1290,32 @@ void x300_impl::register_loopback_self_test(wb_iface::sptr iface)
void x300_impl::set_time_source_out(mboard_members_t &mb, const bool enb)
{
- mb.clock_control_regs__pps_out_enb = enb? 1 : 0;
+ mb.clock_control_regs_pps_out_enb = enb? 1 : 0;
this->update_clock_control(mb);
}
void x300_impl::update_clock_control(mboard_members_t &mb)
{
- const size_t reg = mb.clock_control_regs__clock_source
- | (mb.clock_control_regs__pps_select << 2)
- | (mb.clock_control_regs__pps_out_enb << 4)
- | (mb.clock_control_regs__tcxo_enb << 5)
- | (mb.clock_control_regs__gpsdo_pwr << 6)
+ const size_t reg = mb.clock_control_regs_clock_source
+ | (mb.clock_control_regs_pps_select << 2)
+ | (mb.clock_control_regs_pps_out_enb << 4)
+ | (mb.clock_control_regs_tcxo_enb << 5)
+ | (mb.clock_control_regs_gpsdo_pwr << 6)
;
mb.zpu_ctrl->poke32(SR_ADDR(SET0_BASE, ZPU_SR_CLOCK_CTRL), reg);
}
void x300_impl::update_clock_source(mboard_members_t &mb, const std::string &source)
{
- mb.clock_control_regs__clock_source = 0;
- mb.clock_control_regs__tcxo_enb = 0;
+ mb.clock_control_regs_clock_source = 0;
+ mb.clock_control_regs_tcxo_enb = 0;
if (source == "internal") {
- mb.clock_control_regs__clock_source = ZPU_SR_CLOCK_CTRL_CLK_SRC_INTERNAL;
- mb.clock_control_regs__tcxo_enb = 1;
+ mb.clock_control_regs_clock_source = ZPU_SR_CLOCK_CTRL_CLK_SRC_INTERNAL;
+ mb.clock_control_regs_tcxo_enb = 1;
} else if (source == "external") {
- mb.clock_control_regs__clock_source = ZPU_SR_CLOCK_CTRL_CLK_SRC_EXTERNAL;
+ mb.clock_control_regs_clock_source = ZPU_SR_CLOCK_CTRL_CLK_SRC_EXTERNAL;
} else if (source == "gpsdo") {
- mb.clock_control_regs__clock_source = ZPU_SR_CLOCK_CTRL_CLK_SRC_GPSDO;
+ mb.clock_control_regs_clock_source = ZPU_SR_CLOCK_CTRL_CLK_SRC_GPSDO;
} else {
throw uhd::key_error("update_clock_source: unknown source: " + source);
}
@@ -1325,28 +1324,27 @@ void x300_impl::update_clock_source(mboard_members_t &mb, const std::string &sou
//reset the clock control
//without this, the lock time is multiple seconds and the poll below will fail
- mb.clock->reset();
+ mb.clock->reset_clocks();
- //check for lock - poll every 100 ms for up to 1 second
- for (int i = 0; i < 10; i++)
- {
- boost::this_thread::sleep(boost::posix_time::milliseconds(100));
- if (get_ref_locked(mb.zpu_ctrl).to_bool())
- return;
+ //wait for lock
+ try {
+ wait_for_ref_locked(mb.zpu_ctrl, 1.0);
+ } catch (uhd::runtime_error &e) {
+ //failed to lock on reference
+ throw uhd::runtime_error(
+ (boost::format("Error setting the clock source to %s: %s Please check the clock and try again.")
+ % source % e.what()).str());
}
-
- //failed to lock on reference
- throw uhd::runtime_error((boost::format("The %d reference clock failed to lock. Please check the clock and try again.") % source).str());
}
void x300_impl::update_time_source(mboard_members_t &mb, const std::string &source)
{
if (source == "internal") {
- mb.clock_control_regs__pps_select = ZPU_SR_CLOCK_CTRL_PPS_SRC_INTERNAL;
+ mb.clock_control_regs_pps_select = ZPU_SR_CLOCK_CTRL_PPS_SRC_INTERNAL;
} else if (source == "external") {
- mb.clock_control_regs__pps_select = ZPU_SR_CLOCK_CTRL_PPS_SRC_EXTERNAL;
+ mb.clock_control_regs_pps_select = ZPU_SR_CLOCK_CTRL_PPS_SRC_EXTERNAL;
} else if (source == "gpsdo") {
- mb.clock_control_regs__pps_select = ZPU_SR_CLOCK_CTRL_PPS_SRC_GPSDO;
+ mb.clock_control_regs_pps_select = ZPU_SR_CLOCK_CTRL_PPS_SRC_GPSDO;
} else {
throw uhd::key_error("update_time_source: unknown source: " + source);
}
@@ -1360,6 +1358,20 @@ void x300_impl::update_time_source(mboard_members_t &mb, const std::string &sour
}
}
+void x300_impl::wait_for_ref_locked(wb_iface::sptr ctrl, double timeout)
+{
+ boost::system_time timeout_time = boost::get_system_time() + boost::posix_time::milliseconds(timeout * 1000.0);
+ do
+ {
+ if (get_ref_locked(ctrl).to_bool())
+ return;
+ boost::this_thread::sleep(boost::posix_time::milliseconds(1));
+ } while (boost::get_system_time() < timeout_time);
+
+ //failed to lock on reference
+ throw uhd::runtime_error("The reference clock failed to lock.");
+}
+
sensor_value_t x300_impl::get_ref_locked(wb_iface::sptr ctrl)
{
uint32_t clk_status = ctrl->peek32(SR_ADDR(SET0_BASE, ZPU_RB_CLK_STATUS));
diff --git a/host/lib/usrp/x300/x300_impl.hpp b/host/lib/usrp/x300/x300_impl.hpp
index b64f9ad01..059c1265c 100644
--- a/host/lib/usrp/x300/x300_impl.hpp
+++ b/host/lib/usrp/x300/x300_impl.hpp
@@ -204,11 +204,11 @@ private:
gpio_core_200::sptr fp_gpio;
//clock control register bits
- int clock_control_regs__clock_source;
- int clock_control_regs__pps_select;
- int clock_control_regs__pps_out_enb;
- int clock_control_regs__tcxo_enb;
- int clock_control_regs__gpsdo_pwr;
+ int clock_control_regs_clock_source;
+ int clock_control_regs_pps_select;
+ int clock_control_regs_pps_out_enb;
+ int clock_control_regs_tcxo_enb;
+ int clock_control_regs_gpsdo_pwr;
//which FPGA image is loaded
std::string loaded_fpga_image;
@@ -302,6 +302,7 @@ private:
void update_time_source(mboard_members_t&, const std::string &);
uhd::sensor_value_t get_ref_locked(uhd::wb_iface::sptr);
+ void wait_for_ref_locked(uhd::wb_iface::sptr, double timeout = 0.0);
bool is_pps_present(uhd::wb_iface::sptr);
void set_db_eeprom(uhd::i2c_iface::sptr i2c, const size_t, const uhd::usrp::dboard_eeprom_t &);
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-04 04:35:21 +0000