1 files changed, 69 insertions, 0 deletions
diff --git a/libraries/Bridge/Process.h b/libraries/Bridge/Process.h
new file mode 100644
index 0000000..cacf516
--- /dev/null
+++ b/libraries/Bridge/Process.h
@@ -0,0 +1,69 @@
+/*
+  Copyright (c) 2013 Arduino LLC. All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#ifndef PROCESS_H_
+#define PROCESS_H_
+
+#include <Bridge.h>
+
+class Process : public Stream {
+public:
+  // Constructor with a user provided BridgeClass instance
+  Process(BridgeClass &_b = Bridge) :
+	  bridge(_b), started(false), buffered(0), readPos(0) { }
+  ~Process();
+  
+  void begin(const String &command);
+  void addParameter(const String &param);
+  unsigned int run();
+  void runAsynchronously();
+  boolean running();
+  unsigned int exitValue();
+  void close();
+
+  unsigned int runShellCommand(const String &command);
+  void runShellCommandAsynchronously(const String &command);
+
+  operator bool () { return started; }
+
+  // Stream methods 
+  // (read from process stdout)
+  int available();
+  int read();
+  int peek();
+  // (write to process stdin)
+  size_t write(uint8_t);
+  void flush();
+  // TODO: add optimized function for block write
+  
+private:
+  BridgeClass &bridge;
+  unsigned int handle;
+  String *cmdline;
+  boolean started;
+
+private:
+  void doBuffer();
+  uint8_t buffered;
+  uint8_t readPos;
+  static const int BUFFER_SIZE = 64;
+  uint8_t buffer[BUFFER_SIZE];
+  
+};
+
+#endif