QR Code generation

Support for QR Code generation, see https://github.com/ricmoo/QRCode for details. More...

Data Structures
struct	QRCode
	QR code data structure. More...

Macros
#define	MODE_NUMERIC   0
	Numeric mode.
#define	MODE_ALPHANUMERIC   1
	Alphanumeric mode.
#define	MODE_BYTE   2
	Binary mode.
#define	ECC_LOW   0
	ECC low.
#define	ECC_MEDIUM   1
	ECC medium.
#define	ECC_QUARTILE   2
	ECC quartile.
#define	ECC_HIGH   3
	ECC high.

Typedefs
typedef struct QRCode	QRCode
	QR code data structure.

Functions
uint16_t	qrcode_getBufferSize (uint8_t version)
	QR code buffer size required for given version.
int8_t	qrcode_initText (QRCode *qrcode, uint8_t *modules, uint8_t version, uint8_t ecc, const char *data)
	Generate QR code for given string.
int8_t	qrcode_initBytes (QRCode *qrcode, uint8_t *modules, uint8_t version, uint8_t ecc, uint8_t *data, uint16_t length)
	Generate QR code for given data.
bool	qrcode_getModule (QRCode *qrcode, uint8_t x, uint8_t y)
	Get QR code "bit" at given x,y position.

Detailed Description

Support for QR Code generation, see https://github.com/ricmoo/QRCode for details.

Function Documentation

qrcode_getBufferSize()

uint16_t qrcode_getBufferSize

(

uint8_t

version

)

QR code buffer size required for given version.

Parameters

version

QR code version

qrcode_getModule()

bool qrcode_getModule	(	QRCode *	qrcode,
		uint8_t	x,
		uint8_t	y )

Get QR code "bit" at given x,y position.

Parameters

qrcode	QR code structure
x	x position
y	y position

qrcode_initBytes()

int8_t qrcode_initBytes	(	QRCode *	qrcode,
		uint8_t *	modules,
		uint8_t	version,
		uint8_t	ecc,
		uint8_t *	data,
		uint16_t	length )

Generate QR code for given data.

Parameters

qrcode	QR code structure
modules	Buffer for QR code data
version	QR code version
ecc	QR code ECC
data	Data to encode
length	Number of bytes to encoded

qrcode_initText()

int8_t qrcode_initText	(	QRCode *	qrcode,
		uint8_t *	modules,
		uint8_t	version,
		uint8_t	ecc,
		const char *	data )

Generate QR code for given string.

Parameters

qrcode	QR code structure
modules	Buffer for QR code data
version	QR code version
ecc	QR code ECC
data	String to encode