回答編集履歴
1
コメントで問われた件に関する追記
answer
CHANGED
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@@ -4,4 +4,28 @@
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4
4
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for( unsigned char c : Code ){ val = (val<<4) + ( c - '0' ); }
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5
5
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6
6
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std::cout << std::hex << val << std::endl;
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7
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```
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8
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+
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9
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---
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10
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+
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11
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A～Fとかも使いたいなら，まぁ，コードの範囲毎に扱えばよいのではないかと．
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12
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+
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13
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```C++
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14
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inline uint32_t Cvt_AsciiCode_to_Val( unsigned char code )
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15
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{
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16
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if( '0'<=code && code<='9' )return (code - '0');
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17
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if( 'A'<=code && code<='F' )return (code - 'A' + 10);
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18
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if( 'a'<=code && code<='f' )return (code - 'a' + 10);
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19
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return 0; //※ここの振る舞いは勝手に決めてどうぞ
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20
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}
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21
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+
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22
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int main(void)
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23
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{
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24
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const unsigned char Code[] = { 0x35, 0x30, 0x30, 0x30, 0x32, 0x41 };
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25
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uint32_t val = 0;
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26
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for( unsigned char c : Code ){ val = (val<<4) + Cvt_AsciiCode_to_Val(c); }
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27
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+
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28
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std::cout << std::hex << val << std::endl;
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29
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return 0;
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30
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}
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7
31
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```
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