-ao_fec_check_crc(uint8_t *bytes, uint8_t len);
-
-/*
- * Append CRC and terminator bytes, returns resulting length.
- * 'out' must be at least len + AO_FEC_PREPARE_EXTRA bytes long
- */
-uint8_t
-ao_fec_prepare(uint8_t *in, uint8_t len, uint8_t *out);
-
-/*
- * Whiten data using the cc1111 PN9 sequence. 'out'
- * must be 'len' bytes long. 'out' and 'in' can be
- * the same array
- */
-void
-ao_fec_whiten(uint8_t *in, uint8_t len, uint8_t *out);