| #include <stdint.h> |
| #include <unistd.h> |
| #include <errno.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <osmocom/core/utils.h> |
| #include <osmocom/core/logging.h> |
| #include <osmocom/core/application.h> |
| #include <osmocom/gsm/gsm_utils.h> |
| |
| #include "osmo_e1f.h" |
| |
| static struct osmo_e1f_instance inst; |
| static struct log_info log_info = {}; |
| |
| /* pull data out of the transmitter and print hexdumps */ |
| static void pull_and_print(struct osmo_e1f_instance *e1i) |
| { |
| uint8_t buf[32]; |
| osmo_e1f_pull_tx_frame(e1i, buf); |
| printf("%s\n", osmo_hexdump(buf, sizeof(buf))); |
| } |
| |
| static void data_cb(struct osmo_e1f_instance_ts *e1t, struct msgb *msg) |
| { |
| printf("Rx TS %u: %s\n", e1t->ts_nr, msgb_hexdump(msg)); |
| msgb_free(msg); |
| } |
| |
| static void notify_cb(struct osmo_e1f_instance *e1i, enum osmo_e1f_notify_event evt, |
| bool present, void *data) |
| { |
| printf("NOTIFY: %s %s\n", osmo_e1f_notify_event_name(evt), present ? "PRESENT" : "ABSENT"); |
| } |
| |
| /* feed some random data into the E1 instance */ |
| static void tc_rx_random() |
| { |
| uint8_t buf[32]; |
| int i; |
| |
| for (i = 0; i < 200; i++) { |
| osmo_get_rand_id(buf, sizeof(buf)); |
| osmo_e1f_rx_frame(&inst, buf); |
| } |
| } |
| |
| static void tc_rx_align_basic() |
| { |
| uint8_t buf[32]; |
| int i; |
| |
| for (i = 0; i < 80; i++) { |
| memset(buf, 0xff, sizeof(buf)); |
| switch (i %2) { |
| case 0: |
| buf[0] = 0x9B; |
| break; |
| case 1: |
| buf[0] = 0x40; |
| break; |
| } |
| osmo_e1f_rx_frame(&inst, buf); |
| } |
| } |
| |
| static void tc_rx_align_mframe() |
| { |
| uint8_t buf[32]; |
| int i; |
| |
| for (i = 0; i < 80; i++) { |
| memset(buf, 0xff, sizeof(buf)); |
| switch (i % 16) { |
| case 0: |
| case 2: |
| case 4: |
| case 6: |
| case 8: |
| case 10: |
| case 12: |
| case 14: |
| buf[0] = 0x9B; |
| break; |
| case 1: |
| case 3: |
| case 7: |
| case 13: |
| case 15: |
| buf[0] = 0x40; |
| break; |
| case 5: |
| case 9: |
| case 11: |
| buf[0] = 0xc0; |
| break; |
| } |
| osmo_e1f_rx_frame(&inst, buf); |
| } |
| } |
| |
| |
| static void tc_tx_idle() |
| { |
| int i; |
| for (i = 0; i < 20; i++) { |
| pull_and_print(&inst); |
| } |
| } |
| |
| int main(int argc, char **argv) |
| { |
| int i; |
| |
| osmo_init_logging2(NULL, &log_info); |
| osmo_e1f_init(); |
| |
| osmo_e1f_instance_init(&inst, "e1_test", ¬ify_cb, true, NULL); |
| for (i = 1; i < 32; i++) { |
| struct osmo_e1f_instance_ts *e1t = osmo_e1f_instance_ts(&inst, i); |
| osmo_e1f_ts_config(e1t, &data_cb, 40, true, OSMO_E1F_TS_RAW); |
| } |
| |
| printf("\nRx Random...\n"); |
| osmo_e1f_instance_reset(&inst); |
| tc_rx_random(); |
| |
| printf("\nAlign (Basic)...\n"); |
| osmo_e1f_instance_reset(&inst); |
| tc_rx_align_basic(); |
| |
| printf("\nAlign (Mframe)...\n"); |
| osmo_e1f_instance_reset(&inst); |
| tc_rx_align_mframe(); |
| |
| printf("\nTX Idle...\n"); |
| osmo_e1f_instance_reset(&inst); |
| tc_tx_idle(); |
| |
| } |