From a24cfbac866ba713714dcddb753d4ad808d200c6 Mon Sep 17 00:00:00 2001
From: Etienne Wodey <wodey@iqo.uni-hannover.de>
Date: Sun, 26 Apr 2020 23:02:03 +0200
Subject: host/examples/ascii_art_dft.hpp: fix and modernize example main

Refresh screen after printing the DFT data.
Use C++14 std::this_thread::sleep_for to control the refresh rate.

Signed-off-by: Etienne Wodey <wodey@iqo.uni-hannover.de>
---
 host/examples/ascii_art_dft.hpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'host/examples')

diff --git a/host/examples/ascii_art_dft.hpp b/host/examples/ascii_art_dft.hpp
index 7dddad42e..fe411e400 100644
--- a/host/examples/ascii_art_dft.hpp
+++ b/host/examples/ascii_art_dft.hpp
@@ -319,8 +319,12 @@ std::string dft_to_plot(const log_pwr_dft_type& dft_,
 #include <curses.h>
 #include <cstdlib>
 #include <iostream>
+#include <thread>
+#include <chrono>
 
 int main(void){
+    using namespace std::chrono_literals;
+
     initscr();
 
     while (true){
@@ -343,8 +347,9 @@ int main(void){
             12.5e4, 2.45e9,
             60, 0
         ).c_str());
+	refresh();
 
-        sleep(1);
+        std::this_thread::sleep_for(1s);
     }
 
 
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