Keyer should now run on core1

src/raspi_keyer.cpp

@@ -17,6 +17,20 @@ extern const uint LEFT_PADDLE_PIN = 14;
 extern const uint RIGHT_PADDLE_PIN = 15;
 extern const uint BUZZER_PIN = 13;
 
+// Stuff for communicating between cores
+enum class KeyerQueueCommand
+{
+    Run,
+    Stop,
+    Config,
+};
+struct KeyerQueueData
+{
+    KeyerQueueCommand cmd;
+    uint8_t wpm;
+    Mode mode;
+};
+
 queue_t keyerQueue;
 
 void setup()
@@ -37,18 +51,33 @@ void setup()
     sleep_ms(1000);
 }
 
+/* Let's do all the keying stuff in the second core, so there are no timing problems. */
 void core1_main()
 {
-    Settings settings;
+    KeyerQueueData data;
-    queue_remove_blocking(&keyerQueue, &settings);
+    queue_remove_blocking(&keyerQueue, &data);
 
-    Keyer keyer(settings.wpm, settings.mode);
+    Keyer keyer(data.wpm, data.mode);
 
     while (true)
     {
-        keyer.run();
+        queue_try_remove(&keyerQueue, &data);
-    }
 
+        switch (data.cmd)
+        {
+        case KeyerQueueCommand::Run:
+            keyer.run();
+            break;
+        case KeyerQueueCommand::Stop:
+            break;
+        case KeyerQueueCommand::Config:
+            // set speed and wpm
+            data.cmd = KeyerQueueCommand::Run;
+            break;
+        default:
+            break;
+        }
+    }
 }
 
 int main()
@@ -60,14 +89,14 @@ int main()
 
     Settings settings{read_settings()};
 
-    /*Keyer keyer(settings.wpm, settings.mode);*/
+    KeyerQueueData keyerQueueData{KeyerQueueCommand::Run, settings.wpm, settings.mode};
-
+    queue_add_blocking(&keyerQueue, &keyerQueueData);
-    queue_add_blocking(&keyerQueue, &settings);
 
     while (true)
     {
-        sleep_ms(100);
+        // Currently there's nothing to do on core0
-    } 
+        sleep_ms(1000);
+    }
 
     return 0;
 }