summaryrefslogtreecommitdiff
path: root/gsm-tvoid/src/lib/fire_crc.h
diff options
context:
space:
mode:
Diffstat (limited to 'gsm-tvoid/src/lib/fire_crc.h')
-rw-r--r--gsm-tvoid/src/lib/fire_crc.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/gsm-tvoid/src/lib/fire_crc.h b/gsm-tvoid/src/lib/fire_crc.h
new file mode 100644
index 0000000..91cdee3
--- /dev/null
+++ b/gsm-tvoid/src/lib/fire_crc.h
@@ -0,0 +1,65 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2005 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef INCLUDED_FIRE_CRC_H
+#define INCLUDED_FIRE_CRC_H
+
+typedef struct
+{
+ unsigned int crc_size;
+ unsigned int data_size;
+ unsigned int syn_start;
+ int syndrome_reg[40];
+} FC_CTX;
+
+int FC_init(FC_CTX *ctx, unsigned int crc_size, unsigned int data_size);
+int FC_check_crc(FC_CTX *ctx, unsigned char *input_bits, unsigned char *control_data);
+
+#if 0
+/*!
+ * \brief
+ * \ingroup
+ */
+
+class fire_crc
+{
+protected:
+
+ unsigned int d_crc_size;
+ unsigned int d_data_size;
+ unsigned int d_syn_start;
+ std::vector<int> d_syndrome_reg;
+
+public:
+
+ fire_crc (unsigned int crc_size, unsigned int data_size);
+ ~fire_crc ();
+ int check_crc (const std::vector<int> &input_bits,
+ std::vector<int> &control_bits);
+ int syndrome_shift (unsigned int bit);
+ int rem (const int x, const int y);
+
+};
+#endif
+
+#endif
personal git repositories of Harald Welte. Your mileage may vary