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Diffstat (limited to 'libraries/Bridge/Process.h')
-rw-r--r-- | libraries/Bridge/Process.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libraries/Bridge/Process.h b/libraries/Bridge/Process.h new file mode 100644 index 0000000..b48e046 --- /dev/null +++ b/libraries/Bridge/Process.h @@ -0,0 +1,66 @@ +/* + 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 ¶m); + 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 |