diff options
Diffstat (limited to 'tests/v110/frame_test.c')
-rw-r--r-- | tests/v110/frame_test.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/tests/v110/frame_test.c b/tests/v110/frame_test.c new file mode 100644 index 00000000..ebc617c0 --- /dev/null +++ b/tests/v110/frame_test.c @@ -0,0 +1,54 @@ +#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(); +} + |