/*
 * This program is meant to be run only once by the developer - it uses
 * libgsm function gsm_implode() to transform the idle frame of GSM 06.11
 * (3GPP TS 46.011) from the table format given in the spec into
 * libgsm/RTP format.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <gsm.h>

static const gsm_signal lar_params[8] = {42, 39, 21, 10, 9, 4, 3, 2};
static const gsm_signal subframe_params[17] =
	{0, 40, 1, 0,  3, 4, 3, 4, 4,  3, 3, 3, 3, 4, 4, 3, 3};

main(argc, argv)
	char **argv;
{
	gsm state;
	gsm_signal params[76];
	gsm_byte frame[33];
	unsigned n;

	/* gsm_implode() requires dummy state */
	state = gsm_create();
	if (!state) {
		fprintf(stderr, "gsm_create() failed!\n");
		exit(1);
	}
	/* gather params */
	bcopy(lar_params, params, sizeof(gsm_signal) * 8);
	bcopy(subframe_params, params + 8, sizeof(gsm_signal) * 17);
	bcopy(subframe_params, params + 25, sizeof(gsm_signal) * 17);
	bcopy(subframe_params, params + 42, sizeof(gsm_signal) * 17);
	bcopy(subframe_params, params + 59, sizeof(gsm_signal) * 17);
	/* generate frame */
	gsm_implode(state, params, frame);
	/* print the frame */
	for (n = 0; n < 33; n++) {
		printf("0x%02X,", frame[n]);
		if (n == 4 || n == 11 || n == 18 || n == 25 || n == 32)
			putchar('\n');
		else
			putchar(' ');
	}
	exit(0);
}