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-rw-r--r--libraries/Bridge/Process.h66
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+/*
+ 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:
+ // Default constructor uses global Bridge instance
+ Process() : bridge(Bridge), started(false), buffered(0), readPos(0) { }
+ // Constructor with a user provided BridgeClass instance
+ Process(BridgeClass &_b) : bridge(_b), started(false), buffered(0), readPos(0) { }
+ ~Process();
+
+ void begin(String &command);
+ void begin(const char *command);
+ void addParameter(String &param);
+ void addParameter(const char *param);
+ unsigned int run();
+ void runAsynchronously();
+ boolean running();
+ unsigned int exitValue();
+ void close();
+
+ // Stream methods
+ // (read from process stdout)
+ int available();
+ int read();
+ int peek();
+ // (write to process stdin)
+ size_t write(uint8_t);
+ void flush();
+
+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