Diagnostics

1 files changed, 13 insertions, 4 deletions

diff --git a/main.cpp b/main.cpp
index 19cf681..4c33bc4 100644
--- a/main.cpp
+++ b/main.cpp
@@ -43,32 +43,41 @@ int main(void)
     Timer timer_300ms(300ms, true);
     timer_300ms.start();
 
+    // Main signals
+    boost::signals2::signal<void()> signal_count_loops;
+
     // Signal-Slot Connections:
     midi.signal_click.connect([&](){stream.click();});
     timer_300ms.elapsed.connect([&](){ui.draw();});
+    signal_count_loops.connect([&](){ui.count_main_loops();});
 
     while (true) {
       //std::cout << "Main loop entered." << std::endl;
+      signal_count_loops();
+
       fd_set read_set;
       FD_ZERO(&read_set);
       FD_SET(midi.fd(), &read_set);
 
+#if 0
+      // PCM fd almost always writeable: for single frames at high speed
       fd_set write_set;
       FD_ZERO(&write_set);
       FD_SET(pcm.fd(), &write_set);
+#endif
 
       struct timeval timeout;
-      timeout.tv_sec = 0;
+      timeout.tv_sec = 1;
       timeout.tv_usec = 300000;
 
-      int result = select(FD_SETSIZE, &read_set, &write_set, NULL, &timeout);
+      int result = select(FD_SETSIZE, &read_set, nullptr/*&write_set*/, nullptr, &timeout);
       if (result < 0) {
         throw std::runtime_error("select() failed");
       } else if (result == 0) {
-        throw std::runtime_error("select() timeout");
+        std::cout << "select() timeout" << std::endl;
       }
 
-      if (midi.event_ready())
+      while (midi.event_ready())
       {
         //std::cout << "read..." << std::endl;
         auto event = midi.read();