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/**
* The MIT License (MIT)
*
* This library is written and maintained by Richard Moore.
* Major parts were derived from Project Nayuki's library.
*
* Copyright (c) 2017 Richard Moore (https://github.com/ricmoo/QRCode)
* Copyright (c) 2017 Project Nayuki (https://www.nayuki.io/page/qr-code-generator-library)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/**
* Special thanks to Nayuki (https://www.nayuki.io/) from which this library was
* heavily inspired and compared against.
*
* See: https://github.com/nayuki/QR-Code-generator/tree/master/cpp
*/
#ifndef __QRCODE_H_
#define __QRCODE_H_
#include <stdbool.h>
#include <stdint.h>
// QR Code Format Encoding
#define MODE_NUMERIC 0
#define MODE_ALPHANUMERIC 1
#define MODE_BYTE 2
// Error Correction Code Levels
#define ECC_LOW 0
#define ECC_MEDIUM 1
#define ECC_QUARTILE 2
#define ECC_HIGH 3
// If set to non-zero, this library can ONLY produce QR codes at that version
// This saves a lot of dynamic memory, as the codeword tables are skipped
#ifndef LOCK_VERSION
#define LOCK_VERSION 0
#endif
typedef struct QRCode
{
uint8_t version;
uint8_t size;
uint8_t ecc;
uint8_t mode;
uint8_t mask;
uint8_t *modules;
} QRCode;
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
uint16_t qrcode_getBufferSize(uint8_t version);
int8_t qrcode_initText(QRCode *qrcoded, uint8_t *modules, uint8_t version, uint8_t ecc, const char *data);
int8_t qrcode_initBytes(QRCode *qrcoded, uint8_t *modules, uint8_t version, uint8_t ecc, uint8_t *data, uint16_t length);
bool qrcode_getModule(QRCode *qrcoded, uint8_t x, uint8_t y);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __QRCODE_H_ */
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