Diff: command_decoder.h

Revision:

2:e23243b26a23

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/command_decoder.h	Tue Jun 09 11:23:48 2020 +0000
@@ -0,0 +1,47 @@
+#ifndef COMMAND_DECODER_H
+#define COMMAND_DECODER_H
+#include "mbed.h"
+#include <string>
+
+#define MAX_TOKEN_NR 2 
+#define MAX_KEYWORD_STRING_LTH 6
+#define MAX_KEYWORD_NR 4
+#define DELIMITER_CHAR 0x20
+
+enum TokenType { KEYWORD, NUMBER, STRING};
+enum KeywordCode {ID,CALLIB,GOTO,STEP};
+enum Result { OK, FAIL };
+
+
+union TokenValue {
+    enum KeywordCode eKeyword;
+    unsigned int uiNumber;
+    char *pcString;
+};
+
+struct Token {
+    enum TokenType eType; 
+    union TokenValue uValue;
+};
+
+struct Keyword {
+    enum KeywordCode eCode;
+    char cString[MAX_KEYWORD_STRING_LTH + 1]; 
+};
+
+class CommandDecoder {
+    public:
+        void DecodeMsg(char *pcString);
+        struct Token asToken[MAX_TOKEN_NR];
+        unsigned char ucTokenNr;
+    private:
+        enum Result eHexStringToUInt(char pcStr[],unsigned int *puiValue);
+        void ReplaceCharactersInString(char pcString[], char cOldChar,char cNewChar);
+        void TokenizeString(char *pcString);
+        unsigned char ucFindTokensInString(char *pcString);
+        enum Result eStringToKeyword(char pcStr[],enum KeywordCode *peKeywordCode);
+        enum Result DecodeTokens();
+       
+};    
+
+#endif
\ No newline at end of file