ASCII碼轉(zhuǎn)HEX與HEX轉(zhuǎn)ASCII碼

• 【1】ASCII碼轉(zhuǎn)HEX
• 【2】HEX轉(zhuǎn)ASCII碼
• 【4】Qt實現(xiàn)ASCII碼轉(zhuǎn)HEX
• 【4】Qt實現(xiàn)HEX轉(zhuǎn)ASCII碼

【1】ASCII碼轉(zhuǎn)HEX

ASCII碼轉(zhuǎn)HEX：
【1】 ASCII碼:0-9 --> HEX:0x0-0x9 --> Dec:0-9
【2】ASCII碼:a/A-f/F --> HEX:0xA-0xF --> Dec:10-15

//ASCII碼轉(zhuǎn)HEX： //ASCII碼:0-9 --> HEX:0x0-0x9 --> Dec:0-9 //ASCII碼:a/A-f/F --> HEX:0xA-0xF --> Dec:10-15 uint8_t AsciiToHex(uint8_t Ascii_Byte) { //DebugPrintf("\r\n Input ascii data:%c = Dec%d = 0X%02X",Ascii_Byte,Ascii_Byte,Ascii_Byte);if (Ascii_Byte & 0x80) return Ascii_Byte;//=0if( (Ascii_Byte >= '0')&&(Ascii_Byte <= '9') ){return Ascii_Byte - '0'; //0-9}else if( (Ascii_Byte >= 'a')&&(Ascii_Byte <= 'f') ){return Ascii_Byte - 'a' + 10; //10-15}else if( (Ascii_Byte >= 'A')&&(Ascii_Byte <= 'F') ){return Ascii_Byte - 'A' + 10; //10-15}return Ascii_Byte; }

【2】HEX轉(zhuǎn)ASCII碼

HEX轉(zhuǎn)ASCII碼：
【1】HEX:0x0-0x9 --> ASCII碼:0-9 --> Dec:0-9
【2】HEX:0xa-0xf --> ASCII碼:A-F --> Dec:10-15

//HEX轉(zhuǎn)ASCII碼： //HEX:0x0-0x9 --> ASCII碼:0-9 --> Dec:0-9 //HEX:0xa-0xf --> ASCII碼:A-F --> Dec:10-15 char HexToAscii(uint8_t Hex_Byte) {if( (Hex_Byte>=0)&&(Hex_Byte<=9) ) //變成ascii數(shù)字return Hex_Byte + 0x30;else if( (Hex_Byte >= 10)&&(Hex_Byte <= 15) ) //變成ascii大寫字母return Hex_Byte + 0x37;elsereturn 0xff; }

【4】Qt實現(xiàn)ASCII碼轉(zhuǎn)HEX

quint8 datadef::Fun_ascii2hex(quint8 ascii) {if (ascii & 0x80) return ascii;if (ascii >= '0' && ascii <= '9')return (ascii - '0');else if (ascii >= 'A' && ascii <= 'F') //ascii表示16進(jìn)制，只有0-9 A-Freturn (ascii - 'A' + 0x0A);else if (ascii >= 'a' && ascii <= 'f')return (ascii - 'a' + 0x0A);return ascii; }

【4】Qt實現(xiàn)HEX轉(zhuǎn)ASCII碼

quint8 datadef::Fun_hex2ascii(quint8 hex) {if (hex >= 0x00 && hex <= 0x09)return (hex + '0'); //'0'=0x30else if (hex >= 0x0A && hex <= 0x0F)return (hex - 0x0A + 'A');//強(qiáng)制大寫return 0; } void datadef::Fun_u8Hex2ascii(quint8 hex, quint8 *ascii_buff) {*ascii_buff = Fun_hex2ascii((hex >> 4) & 0x0F);*(ascii_buff + 1) = Fun_hex2ascii(hex & 0x0F); } void datadef::Fun_u16Hex2ascii(quint16 hex, quint8 *ascii_buff) {quint8 i = 0;for (i = 0; i < 4; i++){*(ascii_buff + 3 - i) = Fun_hex2ascii((hex >> (4*i)) & 0x000f);} }

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