editable serial input line buffer

Dependents:   MAX5715BOB_Tester MAX11131BOB_Tester MAX5171BOB_Tester MAX11410BOB_Tester ... more

Revision:
0:4d7de8b5c800
Child:
1:5b33e7447601
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CmdLine.h	Thu May 23 22:08:35 2019 +0000
@@ -0,0 +1,102 @@
+// /*******************************************************************************
+// * Copyright (C) 2019 Maxim Integrated Products, Inc., All Rights Reserved.
+// *
+// * Permission is hereby granted, free of charge, to any person obtaining a
+// * copy of this software and associated documentation files (the "Software"),
+// * to deal in the Software without restriction, including without limitation
+// * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// * and/or sell copies of the Software, and to permit persons to whom the
+// * Software is furnished to do so, subject to the following conditions:
+// *
+// * The above copyright notice and this permission notice shall be included
+// * in all copies or substantial portions of the Software.
+// *
+// * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+// * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// * OTHER DEALINGS IN THE SOFTWARE.
+// *
+// * Except as contained in this notice, the name of Maxim Integrated
+// * Products, Inc. shall not be used except as stated in the Maxim Integrated
+// * Products, Inc. Branding Policy.
+// *
+// * The mere transfer of this software does not imply any licenses
+// * of trade secrets, proprietary technology, copyrights, patents,
+// * trademarks, maskwork rights, or any other form of intellectual
+// * property whatsoever. Maxim Integrated Products, Inc. retains all
+// * ownership rights.
+// *******************************************************************************
+// */
+// *********************************************************************
+// @file CmdLine.h
+// *********************************************************************
+
+// Prevent multiple declaration
+#ifndef __CmdLine_H__
+#define __CmdLine_H__
+
+#include "mbed.h"
+
+/// @todo on_immediate_0x21() on_immediate_0x7b() on_immediate_0x7d()
+/// should be declared in a more extensible way
+void on_immediate_0x21(); // Unicode (U+0021) ! EXCLAMATION MARK
+void on_immediate_0x7b(); // Unicode (U+007B) { LEFT CURLY BRACKET
+void on_immediate_0x7d(); // Unicode (U+007D) } RIGHT CURLY BRACKET
+
+
+/**
+ @brief CmdLine class manages an editable serial input line buffer
+ */
+class CmdLine
+{
+protected:
+    static const unsigned int COMMAND_BUFFER_LENGTH = 96; // buffer includes null termination
+    unsigned int indexOfNextEmptyCell;
+    char buf[COMMAND_BUFFER_LENGTH];
+    Stream& associatedSerialPort;
+    const char *name;
+public:
+    CmdLine(Stream& AssociatedSerialPort, const char *Name);
+    void clear();
+    //void idleAppendIfReadable(); // append ch to buf, unless BS or EOL or other editing character
+    void append(char ch); // append ch to buf, unless BS or EOL or other editing character
+    Callback<void(CmdLine&)> onEOLcommandParser; // on CR or LF, parse the command buffer
+    /** serial returns reference to the associated serial port */
+    Stream& serial(void) const {
+        return associatedSerialPort;
+    };
+    /** CmdLine[index] returns the character at specified index; [0] is the first character */
+    char operator[] (unsigned int index) const {
+        if (index >= indexOfNextEmptyCell) return '\0';
+        return buf[index];
+    };
+    /** str returns the c-string buffer */
+    const char *str() const {
+        return buf;
+    };
+    /** nameStr returns the names of the associated serial port */
+    const char *nameStr() const {
+        return name;
+    };
+
+    // bool parse_and_remove_key(const char *key, int& matched_index);
+    bool parse_and_remove_key(const char *key, char *valueBuf, size_t valueBufLen);
+
+    bool parse_frequency_Hz(const char *key, uint32_t& frequency_Hz);
+    bool parse_flag(const char *key, uint8_t& nFlagVar, const uint8_t nFlagBitMask);
+    bool parse_byte_hex(const char *key, uint8_t& nByteVar);
+    bool parse_byte_dec(const char *key, uint8_t& nByteVar);
+    bool parse_uint16_hex(const char *key, uint16_t& uint16Var);
+    bool parse_int16_hex(const char *key, int16_t& int16Var);
+    bool parse_float(const char *key, float& floatVar);
+    bool parse_byteCount_byteList_hex(size_t& byteCount, char *mosiDataBuf, size_t mosiDataBufSize);
+    bool parse_byteCount_byteList_dec(size_t& byteCount, char *mosiDataBuf, size_t mosiDataBufSize);
+};
+
+#endif // __CmdLine_H__
+
+// End of file
+