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https://github.com/lwvmobile/dsd-fme.git
synced 2026-11-14 01:37:25 -05:00
01a2b6959a
Refactored implementation of p25p1_ldu1.c and p25p1_ldu2.c. There are less duplicities now and hopefully is easier to read and maintain. Added a unit test for the Hamming algorithm.
31 lines
961 B
C
31 lines
961 B
C
#ifndef __P25P1_CHECK_LDU_H__
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#define __P25P1_CHECK_LDU_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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int check_and_fix_hamming_10_12_13(char* hex, char* parity);
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/**
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* Attempts to correct 12 hex words using the Reed-Solomon(24,12,13) FEC.
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* \param data The packed hex words, each of 6 chars, one after the other.
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* \param parity The corresponding 12 hex words with the parity information.
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* \return 1 if irrecoverable errors have been detected, 0 otherwise.
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*/
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int check_and_fix_redsolomon_24_12_13(char* data, char* parity);
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/**
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* Attempts to correct 16 hex words using the Reed-Solomon(24,16,9) FEC.
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* \param data The packed hex words, each of 6 chars, one after the other.
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* \param parity The corresponding 8 hex words with the parity information.
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* \return 1 if irrecoverable errors have been detected, 0 otherwise.
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*/
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int check_and_fix_redsolomon_24_16_9(char* data, char* parity);
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#ifdef __cplusplus
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}
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#endif
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#endif // __P25P1_CHECK_LDU_H__
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