Harald Welte | 0c756eb | 2018-05-06 16:01:29 +0200 | [diff] [blame^] | 1 | #include <stdint.h> |
| 2 | #include <unistd.h> |
| 3 | #include <errno.h> |
| 4 | #include <stdio.h> |
| 5 | #include <string.h> |
| 6 | |
| 7 | #include <osmocom/core/utils.h> |
| 8 | #include <osmocom/core/logging.h> |
| 9 | #include <osmocom/core/application.h> |
| 10 | #include <osmocom/gsm/gsm_utils.h> |
| 11 | |
| 12 | #include "osmo_e1.h" |
| 13 | |
| 14 | static struct osmo_e1_instance inst; |
| 15 | static struct log_info log_info = {}; |
| 16 | |
| 17 | /* pull data out of the transmitter and print hexdumps */ |
| 18 | static void pull_and_print(struct osmo_e1_instance *e1i) |
| 19 | { |
| 20 | uint8_t buf[32]; |
| 21 | osmo_e1_pull_tx_frame(e1i, buf); |
| 22 | printf("%s\n", osmo_hexdump(buf, sizeof(buf))); |
| 23 | } |
| 24 | |
| 25 | static void data_cb(struct osmo_e1_instance_ts *e1t, struct msgb *msg) |
| 26 | { |
| 27 | printf("Rx TS %u: %s\n", e1t->ts_nr, msgb_hexdump(msg)); |
| 28 | msgb_free(msg); |
| 29 | } |
| 30 | |
| 31 | static void notify_cb(struct osmo_e1_instance *e1i, enum osmo_e1_notify_event evt, |
| 32 | bool present, void *data) |
| 33 | { |
| 34 | printf("NOTIFY: %s %s\n", osmo_e1_notify_event_name(evt), present ? "PRESENT" : "ABSENT"); |
| 35 | } |
| 36 | |
| 37 | /* feed some random data into the E1 instance */ |
| 38 | static void tc_rx_random() |
| 39 | { |
| 40 | uint8_t buf[32]; |
| 41 | int i; |
| 42 | |
| 43 | for (i = 0; i < 200; i++) { |
| 44 | osmo_get_rand_id(buf, sizeof(buf)); |
| 45 | osmo_e1_rx_frame(&inst, buf); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | static void tc_rx_align_basic() |
| 50 | { |
| 51 | uint8_t buf[32]; |
| 52 | int i; |
| 53 | |
| 54 | for (i = 0; i < 80; i++) { |
| 55 | memset(buf, 0xff, sizeof(buf)); |
| 56 | switch (i %2) { |
| 57 | case 0: |
| 58 | buf[0] = 0x9B; |
| 59 | break; |
| 60 | case 1: |
| 61 | buf[0] = 0x40; |
| 62 | break; |
| 63 | } |
| 64 | osmo_e1_rx_frame(&inst, buf); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | static void tc_rx_align_mframe() |
| 69 | { |
| 70 | uint8_t buf[32]; |
| 71 | int i; |
| 72 | |
| 73 | for (i = 0; i < 80; i++) { |
| 74 | memset(buf, 0xff, sizeof(buf)); |
| 75 | switch (i % 16) { |
| 76 | case 0: |
| 77 | case 2: |
| 78 | case 4: |
| 79 | case 6: |
| 80 | case 8: |
| 81 | case 10: |
| 82 | case 12: |
| 83 | case 14: |
| 84 | buf[0] = 0x9B; |
| 85 | break; |
| 86 | case 1: |
| 87 | case 3: |
| 88 | case 7: |
| 89 | case 13: |
| 90 | case 15: |
| 91 | buf[0] = 0x40; |
| 92 | break; |
| 93 | case 5: |
| 94 | case 9: |
| 95 | case 11: |
| 96 | buf[0] = 0xc0; |
| 97 | break; |
| 98 | } |
| 99 | osmo_e1_rx_frame(&inst, buf); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | |
| 104 | static void tc_tx_idle() |
| 105 | { |
| 106 | int i; |
| 107 | for (i = 0; i < 20; i++) { |
| 108 | pull_and_print(&inst); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | int main(int argc, char **argv) |
| 113 | { |
| 114 | int i; |
| 115 | |
| 116 | osmo_init_logging2(NULL, &log_info); |
| 117 | osmo_e1_init(); |
| 118 | |
| 119 | osmo_e1_instance_init(&inst, "e1_test", ¬ify_cb, true, NULL); |
| 120 | for (i = 1; i < 32; i++) { |
| 121 | struct osmo_e1_instance_ts *e1t = osmo_e1_instance_ts(&inst, i); |
| 122 | osmo_e1_ts_config(e1t, &data_cb, 40, true); |
| 123 | } |
| 124 | |
| 125 | printf("\nRx Random...\n"); |
| 126 | osmo_e1_instance_reset(&inst); |
| 127 | tc_rx_random(); |
| 128 | |
| 129 | printf("\nAlign (Basic)...\n"); |
| 130 | osmo_e1_instance_reset(&inst); |
| 131 | tc_rx_align_basic(); |
| 132 | |
| 133 | printf("\nAlign (Mframe)...\n"); |
| 134 | osmo_e1_instance_reset(&inst); |
| 135 | tc_rx_align_mframe(); |
| 136 | |
| 137 | printf("\nTX Idle...\n"); |
| 138 | osmo_e1_instance_reset(&inst); |
| 139 | tc_tx_idle(); |
| 140 | |
| 141 | } |