mirror of
https://github.com/OpenEPaperLink/OpenEPaperLink.git
synced 2026-03-21 19:06:59 +01:00
30 lines
659 B
C
30 lines
659 B
C
#ifndef _BARCODE_H_
|
|
#define _BARCODE_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
//code128 generator (c) 2021 Dmitry Grinberg https://dmitry.gr
|
|
//non-commercial use only, contact licensing@dmitry.gr for other options
|
|
|
|
|
|
struct BarcodeInfo { //zero-init this except the string ptr
|
|
const char *str;
|
|
uint16_t curBars;
|
|
uint8_t barsLeft;
|
|
uint8_t state;
|
|
uint8_t csum;
|
|
uint8_t csumMul;
|
|
};
|
|
|
|
#define barcodeWidth(nChars) (11 * (nChars) + 11 /*start */+ 11 /*check sum */ + 13 /* stop */)
|
|
|
|
#pragma callee_saves barcodeIsDone
|
|
__bit barcodeIsDone(struct BarcodeInfo __xdata *bci);
|
|
|
|
#pragma callee_saves barcodeNextBar
|
|
__bit barcodeNextBar(struct BarcodeInfo __xdata *bci);
|
|
|
|
|
|
|
|
#endif
|