1 files changed, 105 insertions, 0 deletions
diff --git a/Firmware/Tiva C/StandardFirmata/FirmataParser.h b/Firmware/Tiva C/StandardFirmata/FirmataParser.h
new file mode 100644
index 0000000..bb0c8be
--- /dev/null
+++ b/Firmware/Tiva C/StandardFirmata/FirmataParser.h
@@ -0,0 +1,105 @@
+/*
+  FirmataParser.h
+  Copyright (c) 2006-2008 Hans-Christoph Steiner.  All rights reserved.
+  Copyright (C) 2009-2016 Jeff Hoefs.  All rights 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.
+
+  See file LICENSE.txt for further informations on licensing terms.
+*/
+
+#ifndef FirmataParser_h
+#define FirmataParser_h
+
+#if defined(__cplusplus) && !defined(ARDUINO)
+  #include <cstddef>
+  #include <cstdint>
+#else
+  #include <stddef.h>
+  #include <stdint.h>
+#endif
+
+namespace firmata {
+
+class FirmataParser
+{
+  public:
+    /* callback function types */
+    typedef void (*callbackFunction)(void * context, uint8_t command, uint16_t value);
+    typedef void (*dataBufferOverflowCallbackFunction)(void * context);
+    typedef void (*stringCallbackFunction)(void * context, const char * c_str);
+    typedef void (*sysexCallbackFunction)(void * context, uint8_t command, size_t argc, uint8_t * argv);
+    typedef void (*systemCallbackFunction)(void * context);
+    typedef void (*versionCallbackFunction)(void * context, size_t sv_major, size_t sv_minor, const char * firmware);
+
+    FirmataParser(uint8_t * dataBuffer = (uint8_t *)NULL, size_t dataBufferSize = 0);
+
+    /* serial receive handling */
+    void parse(uint8_t value);
+    bool isParsingMessage(void) const;
+    int setDataBufferOfSize(uint8_t * dataBuffer, size_t dataBufferSize);
+
+    /* attach & detach callback functions to messages */
+    void attach(uint8_t command, callbackFunction newFunction, void * context = NULL);
+    void attach(dataBufferOverflowCallbackFunction newFunction, void * context = NULL);
+    void attach(uint8_t command, stringCallbackFunction newFunction, void * context = NULL);
+    void attach(uint8_t command, sysexCallbackFunction newFunction, void * context = NULL);
+    void attach(uint8_t command, systemCallbackFunction newFunction, void * context = NULL);
+    void attach(uint8_t command, versionCallbackFunction newFunction, void * context = NULL);
+    void detach(uint8_t command);
+    void detach(dataBufferOverflowCallbackFunction);
+
+  private:
+    /* input message handling */
+    bool allowBufferUpdate;
+    uint8_t * dataBuffer; // multi-byte data
+    size_t dataBufferSize;
+    uint8_t executeMultiByteCommand; // execute this after getting multi-byte data
+    uint8_t multiByteChannel; // channel data for multiByteCommands
+    size_t waitForData; // this flag says the next serial input will be data
+
+    /* sysex */
+    bool parsingSysex;
+    size_t sysexBytesRead;
+
+    /* callback context */
+    void * currentAnalogCallbackContext;
+    void * currentDigitalCallbackContext;
+    void * currentReportAnalogCallbackContext;
+    void * currentReportDigitalCallbackContext;
+    void * currentPinModeCallbackContext;
+    void * currentPinValueCallbackContext;
+    void * currentReportFirmwareCallbackContext;
+    void * currentReportVersionCallbackContext;
+    void * currentDataBufferOverflowCallbackContext;
+    void * currentStringCallbackContext;
+    void * currentSysexCallbackContext;
+    void * currentSystemResetCallbackContext;
+
+    /* callback functions */
+    callbackFunction currentAnalogCallback;
+    callbackFunction currentDigitalCallback;
+    callbackFunction currentReportAnalogCallback;
+    callbackFunction currentReportDigitalCallback;
+    callbackFunction currentPinModeCallback;
+    callbackFunction currentPinValueCallback;
+    dataBufferOverflowCallbackFunction currentDataBufferOverflowCallback;
+    stringCallbackFunction currentStringCallback;
+    sysexCallbackFunction currentSysexCallback;
+    versionCallbackFunction currentReportFirmwareCallback;
+    systemCallbackFunction currentReportVersionCallback;
+    systemCallbackFunction currentSystemResetCallback;
+
+    /* private methods ------------------------------ */
+    bool bufferDataAtPosition(const uint8_t data, const size_t pos);
+    size_t decodeByteStream(size_t bytec, uint8_t * bytev);
+    void processSysexMessage(void);
+    void systemReset(void);
+};
+
+} // firmata
+
+#endif /* FirmataParser_h */