Blinker

implemented serial port config
Parent e35952b
Stefan Schuermans

Stefan Schuermans commited on 2011-12-11 19:46:03
Showing 3 changed files, with 152 additions and 0 deletions.

src/noarch/SerCfg.cpp
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+/* Blinker
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+   Copyright 2011 Stefan Schuermans <stefan@blinkenarea.org>
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+   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
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+   a blinkenarea.org project */
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+
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+#include <sstream>
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+#include <string>
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+
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+#include "SerCfg.h"
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+#include "StringParser.h"
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+
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+namespace Blinker {
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+
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+/// constructor
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+SerCfg::SerCfg():
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+  m_baud(9600),
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+  m_data(8),
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+  m_parity(ParityNone),
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+  m_stop(1)
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+{
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+}
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+
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+/**
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+ * @brief parse from string format
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+ * @param[in] str string format
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+ * @return if parsing was successful
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+ */
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+bool SerCfg::fromStr(const std::string &str)
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+{
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+  StringParser parser(str);
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+  unsigned int baud, data, stop;
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+  char parityChr;
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+
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+  if (!parser.uintMin(1, baud) ||
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+      !parser.fixChr(','))
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+    return false;
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+  if (parser.uintMin(1, data)) { // data bits, parity
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+    if (!parser.fixChr(',') ||
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+        !parser.oneChrOf("nNeEoO", parityChr))
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+      return false;
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+  } else { // parity, data bits
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+    if (!parser.oneChrOf("nNeEoO", parityChr) ||
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+        !parser.fixChr(',') ||
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+        !parser.uintMin(1, data))
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+      return false;
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+  }
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+  if (!parser.fixChr('n') ||
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+      !parser.uintMin(1, stop) ||
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+      !parser.isDone())
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+    return false;
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+  m_baud = baud;
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+  m_data = data;
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+  switch (parityChr) {
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+    case 'n': case 'N': m_parity = ParityNone; break;
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+    case 'e': case 'E': m_parity = ParityEven; break;
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+    case 'o': case 'O': m_parity = ParityOdd; break;
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+  }
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+  m_stop = stop;
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+  return true;
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+}
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+
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+/**
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+ * @brief convert to string format
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+ * @return string format
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+ */
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+std::string SerCfg::toStr() const
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+{
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+  std::stringstream strm;
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+  strm << m_baud << "," << m_data << ",";
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+  switch (m_parity) {
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+    case ParityNone: strm << "N"; break;
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+    case ParityEven: strm << "E"; break;
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+    case ParityOdd:  strm << "O"; break;
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+  }
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+  strm << "," << m_stop;
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+  return strm.str();
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+}
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+
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+} // namespace Blinker
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+
src/noarch/SerCfg.h
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+/* Blinker
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+   Copyright 2011 Stefan Schuermans <stefan@blinkenarea.org>
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+   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
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+   a blinkenarea.org project */
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+
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+#ifndef SERCFG_H
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+#define SERCFG_H
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+
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+#include <string>
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+
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+namespace Blinker {
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+
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+/// serial port configuration
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+class SerCfg
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+{
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+public:
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+  /// parity type
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+  enum Parity {
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+    ParityNone, ///< no parity
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+    ParityEven, ///< even number of bits set to 1
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+    ParityOdd ///< odd number of bits set to 1
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+  };
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+
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+public:
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+  /// constructor
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+  SerCfg();
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+
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+public:
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+  /**
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+   * @brief parse from string format
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+   * @param[in] str string format
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+   * @return if parsing was successful
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+   */
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+  bool fromStr(const std::string &str);
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+
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+  /**
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+   * @brief convert to string format
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+   * @return string format
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+   */
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+  std::string toStr() const;
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+
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+public:
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+  unsigned int m_baud;   ///< baudrate (meaning bits per second)
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+  unsigned int m_data;   ///< number of data bits
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+  Parity       m_parity; ///< parity type
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+  unsigned int m_stop;   ///< number of stop bits
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+}; // class SerCfg
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+
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+} // namespace Blinker
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+
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+#endif // #ifndef SERCFG_H
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+
src/noarch/SerCfgFile.h
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+/* Blinker
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+   Copyright 2011 Stefan Schuermans <stefan@blinkenarea.org>
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+   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
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+   a blinkenarea.org project */
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+
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+#ifndef SERCFGFILE_H
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+#define SERCFGFILE_H
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+
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+#include "SerCfg.h"
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+#include "SettingFile_impl.h"
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+
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+namespace Blinker {
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+
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+/// setting file containting serial port configuration
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+typedef SettingFile<SerCfg> SerCfgFile;
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+
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+} // namespace Blinker
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+
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+#endif // #ifndef SERCFGFILE_H
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+
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