From c57f9251c26dbd3fb29adbf62502a20953790389 Mon Sep 17 00:00:00 2001
From: Martin Brodbeck <martin@brodbeck-online.de>
Date: Fri, 23 Feb 2024 09:18:02 +0100
Subject: [PATCH] prepare for sending messages

---
 src/keyer.cpp | 17 +++++++++++------
 src/keyer.h   |  7 ++++++-
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/src/keyer.cpp b/src/keyer.cpp
index e30f0a5..ecf9d1e 100644
--- a/src/keyer.cpp
+++ b/src/keyer.cpp
@@ -10,7 +10,7 @@ extern const uint LEFT_PADDLE_PIN;
 extern const uint RIGHT_PADDLE_PIN;
 extern const uint BUZZER_PIN;
 extern const uint CW_OUT_PIN;
-//extern const uint AUDIO_OUT_PIN;
+// extern const uint AUDIO_OUT_PIN;
 
 const uint SIDETONE_FREQ = 622;
 
@@ -51,6 +51,11 @@ void Keyer::run()
 {
     auto timestamp = get_absolute_time();
 
+    // If there is something to send …
+    if (!m_messageQueue.empty()) {
+        // TODO
+    }
+
     // If we are in Straight key mode …
     if (m_mode == Mode::Straight) {
         if (left_paddle_pressed()) {
@@ -93,7 +98,7 @@ void Keyer::run()
             gpio_put(LED_PIN, 1);
             gpio_put(CW_OUT_PIN, 1);
             m_buzzer.on(SIDETONE_FREQ);
-            //m_audioOut.on(SIDETONE_FREQ);
+            // m_audioOut.on(SIDETONE_FREQ);
         } else {
             // If right paddle üressed -> note for Iambic B
             if (right_paddle_pressed() && !m_keyNextIambicB) {
@@ -105,7 +110,7 @@ void Keyer::run()
                 gpio_put(LED_PIN, 0);
                 gpio_put(CW_OUT_PIN, 0);
                 m_buzzer.off();
-                //m_audioOut.off();
+                // m_audioOut.off();
                 m_previousState = State::Dit;
                 m_state = State::DitPause;
             }
@@ -118,7 +123,7 @@ void Keyer::run()
             gpio_put(LED_PIN, 1);
             gpio_put(CW_OUT_PIN, 1);
             m_buzzer.on(SIDETONE_FREQ);
-            //m_audioOut.on(SIDETONE_FREQ);
+            // m_audioOut.on(SIDETONE_FREQ);
         } else {
             // If left paddle pressed -> Note for Iambic B
             if (left_paddle_pressed() && !m_keyNextIambicB) {
@@ -130,7 +135,7 @@ void Keyer::run()
                 gpio_put(LED_PIN, 0);
                 gpio_put(CW_OUT_PIN, 0);
                 m_buzzer.off();
-                //m_audioOut.off();
+                // m_audioOut.off();
                 m_previousState = State::Dah;
                 m_state = State::DahPause;
             }
@@ -180,7 +185,7 @@ void Keyer::run()
         gpio_put(LED_PIN, 0);
         gpio_put(CW_OUT_PIN, 0);
         m_buzzer.off();
-        //m_audioOut.off();
+        // m_audioOut.off();
         m_keyNextIambicB = false;
         m_currentlyPausing = false;
         m_currentlyKeying = false;
diff --git a/src/keyer.h b/src/keyer.h
index 1db70ac..6bb6726 100644
--- a/src/keyer.h
+++ b/src/keyer.h
@@ -1,5 +1,8 @@
 #pragma once
 
+#include <queue>
+#include <string>
+
 #include "settings.h"
 #include "sidetone.h"
 
@@ -32,7 +35,7 @@ class Keyer final
     absolute_time_t m_pausing_until {0};
 
     Sidetone m_buzzer;
-    //Sidetone m_audioOut;
+    // Sidetone m_audioOut;
 
     State m_state {State::Wait};
     State m_previousState {State::Wait};
@@ -40,4 +43,6 @@ class Keyer final
     bool m_currentlyKeying {false};
     bool m_currentlyPausing {false};
     bool m_keyNextIambicB {false};
+
+    std::queue<std::string> m_messageQueue;
 };
\ No newline at end of file