libosmocore/tests/v110/frame_test.c

55 lines
1.3 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <osmocom/core/bits.h>
#include <osmocom/isdn/v110.h>
static void test_frame_enc(void)
{
struct osmo_v110_decoded_frame fr;
ubit_t bits[80];
unsigned int i;
memset(&fr, 0, sizeof(fr));
/* we abuse the fact that ubit_t is 8bit so we can actually
* store integer values to clearly identify which bit ends up where */
/* D1..D48: 101..148 */
for (i = 0; i < ARRAY_SIZE(fr.d_bits); i++)
fr.d_bits[i] = 101 + i;
/* E1..E7: 201..207 */
for (i = 0; i < ARRAY_SIZE(fr.e_bits); i++)
fr.e_bits[i] = 201 + i;
/* S1..S9: 211..219 */
for (i = 0; i < ARRAY_SIZE(fr.s_bits); i++)
fr.s_bits[i] = 211 + i;
/* X1..X2: 221..222 */
for (i = 0; i < ARRAY_SIZE(fr.x_bits); i++)
fr.x_bits[i] = 221 + i;
/* run encoder and dump to stdout */
memset(bits, 0xff, sizeof(bits));
osmo_v110_encode_frame(bits, sizeof(bits), &fr);
osmo_v110_ubit_dump(stdout, bits, sizeof(bits));
/* run decoder on what we just encoded */
memset(&fr, 0, sizeof(fr));
osmo_v110_decode_frame(&fr, bits, sizeof(bits));
/* re-encode and dump again 'expout' will match it. */
memset(bits, 0xff, sizeof(bits));
osmo_v110_encode_frame(bits, sizeof(bits), &fr);
osmo_v110_ubit_dump(stdout, bits, sizeof(bits));
}
int main(int argc, char **argv)
{
test_frame_enc();
}