view libgsmhr1/sid_reset.c @ 522:4d2cccaeb4a7

libtest: implement TW-TS-005 reader function Spec reference: https://www.freecalypso.org/specs/tw-ts-005-v010002.txt
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 19 Sep 2024 03:08:47 +0000
parents aee13079db3c
children
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/*
 * The function in this module implements reset of HRv1 SID codeword,
 * for rejuvenating SID frames that may have been corrupted, but were still
 * accepted as valid SID.
 */

#include <stdint.h>
#include <string.h>
#include "tw_gsmhr.h"

void gsmhr_ts101318_set_sid_codeword(uint8_t *payload)
{
	payload[4] |= 0x7F;
	memset(payload + 5, 0xFF, 9);
}