From 1a9ac504b06de6d5218a1429d01968a31dbd9a53 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Tue, 7 Jun 2022 17:15:31 +0200
Subject: Cleaned up sinewave example

---
 examples/sinewave/sinewave.cpp | 36 ++++++++++++++----------------------
 1 file changed, 14 insertions(+), 22 deletions(-)

diff --git a/examples/sinewave/sinewave.cpp b/examples/sinewave/sinewave.cpp
index 519ed46..398fa3c 100644
--- a/examples/sinewave/sinewave.cpp
+++ b/examples/sinewave/sinewave.cpp
@@ -2,47 +2,40 @@
 #include <unistd.h>
 
 #include <chrono>
-#include <functional>
 #include <iostream>
 #include <stdexcept>
-#include <string>
 #include <thread>
 
 #include <hwd.h>
 
 
-volatile sig_atomic_t keep_running {1};
+using seconds = std::chrono::duration<double>;
+
+
+volatile sig_atomic_t keep_running {true};
 
 
-void termination_handler(int signum)
+void termination_handler(int)
 {
 	keep_running = false;
 }
 
 
-using seconds = std::chrono::duration<double>;
-using Clock = std::chrono::high_resolution_clock;
-
-
 int main(int argc, char* argv[])
 {
 	struct sigaction int_action;
-
 	int_action.sa_handler = termination_handler;
 	sigemptyset(&int_action.sa_mask);
 	int_action.sa_flags = 0;
-	sigaction(SIGINT, &int_action, NULL);
-
-	seconds interval{ 0.01 };
-	int i = 0;
+	sigaction(SIGINT, &int_action, nullptr);
+	seconds interval {0.01};
 	int samples = 0;
-	int	opt = 0;
-
+	int opt = 0;
 	try {
 		while ((opt = getopt(argc, argv, "n:i:")) != -1) {
 			switch (opt) {
 			case 'i':
-				interval = seconds{ std::stod(optarg) };
+				interval = seconds {std::stod(optarg)};
 				break;
 			case 'n':
 				samples = std::stoi(optarg);
@@ -57,14 +50,13 @@ int main(int argc, char* argv[])
 		std::cerr << "Invalid argument: " << ia.what() << std::endl;
 		return 1;
 	}
-
+	int i = 1;
 	while (keep_running) {
-		if (samples != 0 && i >= samples) break;
-		i++;
-		const auto endTime = Clock::now() + interval;
+		if (samples != 0 && i++ > samples)
+			break;
+		const auto end_time = std::chrono::high_resolution_clock::now() + interval;
 		std::cout << hwd::sinewave::get_point() << std::endl;
-		std::this_thread::sleep_until(endTime);
+		std::this_thread::sleep_until(end_time);
 	}
-
 	return 0;
 }
-- 
cgit v1.1