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