1 files changed, 29 insertions, 0 deletions
diff --git a/lpg/libqr/constants.h b/lpg/libqr/constants.h
new file mode 100644
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--- /dev/null
+++ b/lpg/libqr/constants.h
@@ -0,0 +1,29 @@
+#ifndef QR_CONSTANTS_H
+#define QR_CONSTANTS_H
+
+#include <qr/types.h>
+
+/* XOR mask for format data: 101 0100 0001 0010 */
+static const unsigned int QR_FORMAT_MASK = 0x5412;
+
+/* Format info EC polynomial
+ * G(x) = x^10 + x^8 + x^5 + x^4 + x^2 + x + 1
+ */
+static const unsigned int QR_FORMAT_POLY = 0x537;
+
+/* Version info EC polynomial
+ * G(x) = x^12 + x^11 + x^10 + x^9 + x^8 + x^5 + x^2 + 1
+ */
+static const unsigned int QR_VERSION_POLY = 0x1F25;
+
+/* A QR-code word is always 8 bits, but CHAR_BIT might not be */
+static const int QR_WORD_BITS = 8;
+
+extern const int QR_ALIGNMENT_LOCATION[40][7];
+extern const int QR_DATA_WORD_COUNT[40][4];
+/* See qr_get_rs_block_sizes() */
+extern const int QR_RS_BLOCK_COUNT[40][4][2];
+extern const enum qr_data_type QR_TYPE_CODES[16];
+
+#endif
+