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