tma: impl helper services, cleanup hostside packets

stratosphere/tma/source/tma_conn_usb_connection.hpp

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2018 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+ 
+#pragma once
+#include <switch.h>
+#include <stratosphere.hpp>
+
+#include "tma_conn_connection.hpp"
+#include "tma_usb_comms.hpp"
+
+class TmaUsbConnection : public TmaConnection {
+    private:
+        HosMessageQueue send_queue = HosMessageQueue(64);
+        std::atomic<bool> is_connected = false;
+    private:
+        static void SendThreadFunc(void *arg);
+        static void RecvThreadFunc(void *arg);
+        static void OnUsbStateChange(void *this_ptr, u32 state);
+        void ClearSendQueue();
+        void StartThreads();
+        void StopThreads();
+        void SetConnected(bool c) { this->is_connected = c; }
+    public:
+        static TmaConnResult InitializeComms();
+        static TmaConnResult FinalizeComms();
+        
+        TmaUsbConnection() { 
+            TmaUsbComms::SetStateChangeCallback(&TmaUsbConnection::OnUsbStateChange, this);
+        }
+        
+        virtual ~TmaUsbConnection() {
+            this->Disconnect(); 
+        }
+        
+        virtual bool IsConnected() override;
+        virtual TmaConnResult Disconnect() override;
+        virtual TmaConnResult SendPacket(TmaPacket *packet) override;
+};