altos: Rename 'core' to 'kernel'

[fw/altos] / src / core / ao_fec.h

diff --git a/src/core/ao_fec.h b/src/core/ao_fec.h
deleted file mode 100644 (file)
index 618756c..0000000
--- a/src/core/ao_fec.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright © 2012 Keith Packard <keithp@keithp.com>
- *
- * This program 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; version 2 of the License.
- *
- * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#ifndef _AO_FEC_H_
-#define _AO_FEC_H_
-
-#include <stdint.h>
-
-#define AO_FEC_CRC_INIT                        0xffff
-#define AO_FEC_TRELLIS_TERMINATOR      0x0b
-#define AO_FEC_PREPARE_EXTRA           4
-
-extern const uint8_t ao_fec_whiten_table[];
-
-#if AO_FEC_DEBUG
-void
-ao_fec_dump_bytes(const uint8_t *bytes, uint16_t len, const char *name);
-#endif
-
-static inline uint16_t
-ao_fec_crc_byte(uint8_t byte, uint16_t crc)
-{
-       uint8_t bit;
-
-       for (bit = 0; bit < 8; bit++) {
-               if (((crc & 0x8000) >> 8) ^ (byte & 0x80))
-                       crc = (crc << 1) ^ 0x8005;
-               else
-                       crc = (crc << 1);
-               byte <<= 1;
-       }
-       return crc;
-}
-
-uint16_t
-ao_fec_crc(const uint8_t *bytes, uint8_t len);
-
-/*
- * 'len' is the length of the original data; 'bytes'
- * must  be four bytes longer than that, and the first
- * two after 'len' must be the received crc
- */
-uint8_t
-ao_fec_check_crc(const uint8_t *bytes, uint8_t len);
-
-/*
- * Compute CRC, whiten, convolve and interleave data. 'out' must be (len + 4) * 2 bytes long
- */
-uint8_t
-ao_fec_encode(const uint8_t *in, uint8_t len, uint8_t *out);
-
-/*
- * Decode data. 'in' is one byte per bit, soft decision
- * 'out' must be len/8 bytes long
- */
-
-#define AO_FEC_DECODE_BLOCK    (32)    /* callback must return multiples of this many bits */
-
-#define AO_FEC_DECODE_CRC_OK   0x80    /* stored in out[out_len-1] */
-
-uint8_t
-ao_fec_decode(const uint8_t *in, uint16_t in_len, uint8_t *out, uint8_t out_len, uint16_t (*callback)(void));
-
-/*
- * Interleave data packed in bytes. 'out' must be 'len' bytes long.
- */
-uint16_t
-ao_fec_interleave_bytes(uint8_t *in, uint16_t len, uint8_t *out);
-
-#endif /* _AO_FEC_H_ */