Diff: decoder/code39.h

Revision:

0:e33621169e44

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/decoder/code39.h	Fri Jan 10 20:29:52 2020 +0000
@@ -0,0 +1,64 @@
+/*------------------------------------------------------------------------
+ *  Copyright 2008-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
+ *
+ *  This file is part of the ZBar Bar Code Reader.
+ *
+ *  The ZBar Bar Code Reader is free software; you can redistribute it
+ *  and/or modify it under the terms of the GNU Lesser Public License as
+ *  published by the Free Software Foundation; either version 2.1 of
+ *  the License, or (at your option) any later version.
+ *
+ *  The ZBar Bar Code Reader is distributed in the hope that it will be
+ *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ *  of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser Public License
+ *  along with the ZBar Bar Code Reader; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ *  Boston, MA  02110-1301  USA
+ *
+ *  http://sourceforge.net/projects/zbar
+ *------------------------------------------------------------------------*/
+#ifndef _CODE39_H_
+#define _CODE39_H_
+
+#include <stdint.h>
+
+/* Code 39 specific decode state */
+/* Code 39 specific decode state */
+//typedef struct code39_decoder_s {
+//    unsigned direction : 1;     /* scan direction: 0=fwd, 1=rev */
+//    unsigned element : 4;       /* element offset 0-8 */
+//    int character : 12;         /* character position in symbol */
+//    unsigned s9;                /* current character width */
+//    unsigned width;             /* last character width */
+
+//    unsigned config;
+//    int configs[NUM_CFGS];      /* int valued configurations */
+//} code39_decoder_t;
+
+typedef struct code39_decoder_s {
+    uint8_t direction;     /* scan direction: 0=fwd, 1=rev */
+    uint8_t element;       /* element offset 0-8 */
+    int16_t character;         /* character position in symbol */
+    uint16_t s9;                /* current character width */
+    uint16_t width;             /* last character width */
+
+    unsigned config;
+    int configs[NUM_CFGS];      /* int valued configurations */
+} code39_decoder_t;
+
+/* reset Code 39 specific state */
+static inline void code39_reset (code39_decoder_t *dcode39)
+{
+    dcode39->direction = 0;
+    dcode39->element = 0;
+    dcode39->character = -1;
+    dcode39->s9 = 0;
+}
+
+/* decode Code 39 symbols */
+zbar_symbol_type_t _zbar_decode_code39(zbar_decoder_t *dcode);
+
+#endif