60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
/*********************************************************************************
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* MIT License
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*
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* Copyright (c) 2020-2024 Gregg E. Berman
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*
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* https://github.com/HomeSpan/HomeSpan
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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********************************************************************************/
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class HapQR {
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private:
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char qrCode[21];
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public:
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enum {
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NFC=1,
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IP=2,
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BLTE=4
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};
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char *get(uint32_t setupCode, const char *setupID, uint8_t category, uint8_t protocols=IP, uint8_t qVersion=0, uint8_t qReserved=0){
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setupCode&=0x07FFFFFF; // valid values: 0-99999999
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qVersion&=0x7; // valid values: 0-7
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qReserved&=0xF; // valid values: 0-15
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protocols&=0x7; // valid values: 0-7
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uint64_t n=((uint64_t) qVersion<<43) | ((uint64_t) qReserved<<39) | ((uint64_t) category<<31) | (protocols<<27) | setupCode;
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sprintf(qrCode,"X-HM://");
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for(int i=15;i>=7;i--){
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qrCode[i]=n%36+48;
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if(qrCode[i]>57)
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qrCode[i]+=7;
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n/=36;
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}
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sprintf(qrCode+16,"%-4.4s",setupID);
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return(qrCode);
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} // create
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};
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