From 444e26cb301537d9b87687c08bd5ec69d9b6e69d Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Sat, 1 Jun 2019 12:28:31 -0700
Subject: x300: dac: Replace uhd::get_system_time() with steady_clock

---
 host/lib/usrp/x300/x300_dac_ctrl.cpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/host/lib/usrp/x300/x300_dac_ctrl.cpp b/host/lib/usrp/x300/x300_dac_ctrl.cpp
index f951a44a2..3a3dc7389 100644
--- a/host/lib/usrp/x300/x300_dac_ctrl.cpp
+++ b/host/lib/usrp/x300/x300_dac_ctrl.cpp
@@ -11,7 +11,6 @@
 #include <uhd/types/time_spec.hpp>
 #include <uhd/utils/log.hpp>
 #include <uhd/utils/safe_call.hpp>
-#include <uhdlib/utils/system_time.hpp>
 #include <boost/format.hpp>
 #include <chrono>
 #include <thread>
@@ -216,14 +215,14 @@ public:
 
         // Verify PLL is Locked. 1 sec timeout.
         // NOTE: Data sheet inconsistent about which pins give PLL lock status. FIXME!
-        const time_spec_t exit_time = uhd::get_system_time() + time_spec_t(1.0);
+        const auto exit_time = std::chrono::steady_clock::now() + std::chrono::seconds(1);
         while (true) {
             const size_t reg_e = read_ad9146_reg(0x0E); // PLL Status (Expect bit 7 = 1)
             const size_t reg_6 =
                 read_ad9146_reg(0x06); // Event Flags (Expect bit 7 = 0 and bit 6 = 1)
             if ((((reg_e >> 7) & 0x1) == 0x1) && (((reg_6 >> 6) & 0x3) == 0x1))
                 break;
-            if (exit_time < uhd::get_system_time())
+            if (exit_time < std::chrono::steady_clock::now())
                 throw uhd::runtime_error(
                     "x300_dac_ctrl: timeout waiting for DAC PLL to lock");
             if (reg_6 & (1 << 7)) // Lock lost?
@@ -241,7 +240,7 @@ public:
         write_ad9146_reg(0x06, 0x30);
         write_ad9146_reg(0x12, 0x00);
 
-        const time_spec_t exit_time = uhd::get_system_time() + time_spec_t(1.0);
+        const auto exit_time = std::chrono::steady_clock::now() + std::chrono::seconds(1);
         while (true) {
             std::this_thread::sleep_for(
                 std::chrono::milliseconds(1)); // wait for sync to complete
@@ -251,7 +250,7 @@ public:
                 read_ad9146_reg(0x06); // Event Flags (Expect bit 5 = 0 and bit 4 = 1)
             if ((((reg_12 >> 6) & 0x3) == 0x1) && (((reg_6 >> 4) & 0x3) == 0x1))
                 break;
-            if (exit_time < uhd::get_system_time())
+            if (exit_time < std::chrono::steady_clock::now())
                 throw uhd::runtime_error(
                     "x300_dac_ctrl: timeout waiting for backend synchronization");
             if (reg_6 & (1 << 5))
-- 
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