Diff: decoder.h

Revision:

4:e48aee3e8d09

Child:

5:3c19c3ae6286

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/decoder.h	Thu May 21 11:03:32 2020 +0000
@@ -0,0 +1,62 @@
+#ifndef DECODER
+#define DECODER
+
+#include "mbed.h"
+
+#define NULL 0
+#define TERMINATOR '\r'
+#define DELIMITER_CHAR 0x20
+
+#define HEX_bm 0x000F
+#define MAX_TOKEN_NR 2
+#define MAX_KEYWORD_STRING_LTH 6
+#define MAX_KEYWORD_NR 4
+
+
+typedef enum TokenType 
+{KEYWORD, NUMBER, STRING} TokenType;
+
+typedef enum KeywordCode 
+{ ID, CLB, GT, ST } KeywordCode;
+
+typedef union TokenValue
+{
+enum KeywordCode eKeyword;
+unsigned int uiNumber;
+char *pcString; 
+} TokenValue;
+
+typedef struct Token
+{
+enum TokenType eType; 
+union TokenValue uValue; 
+} Token;
+
+
+typedef struct Keyword
+{
+enum KeywordCode eCode;
+char cString[MAX_KEYWORD_STRING_LTH + 1];
+} Keyword;
+
+
+
+
+class Decoder {
+    private:
+        struct Token asToken[MAX_TOKEN_NR];
+        unsigned char ucTokenCnt;
+        void ReplaceCharactersInString(char pcString[],char cOldChar,char cNewChar);
+        enum Result eHexStringToUInt(char pcStr[],unsigned int *puiValue);
+        unsigned char ucFindTokensInString(char *pcString);
+        enum Result eStringToKeyword (char pcStr[],enum KeywordCode *peKeywordCode);
+        void DecodeTokens(unsigned char ucTokenCnt);
+    public:
+        void DecodeMsg(char *pcString);
+        enum TokenType eGetTokenType(unsigned char ucIdx);
+        enum KeywordCode eGetKeyword(unsigned char ucIdx);
+        unsigned char GetTokenCnt(void);
+};
+
+
+#endif