view libgsmhr1/sid_reset.c @ 495:aee13079db3c

libgsmhr1: implement SID reset
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 17 Jun 2024 23:25:19 +0000
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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);
}