abgaber
46a4097f6a
Set NUM_MESSAGES_PER_SLOT=5, 100 slots buffer depth (~234 MiB). Add separate project IDs and ftok paths for gNB and UE.
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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* SPDX-License-Identifier: LicenseRef-CSSL-1.0
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*/
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/*!
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* \brief shared memory to store data captured by T-Tracer services to be processed by data recording application
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <fcntl.h>
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#ifndef _SHARED_MEMORY_CONFIG_H_
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#define _SHARED_MEMORY_CONFIG_H_
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#define NUM_MESSAGES_PER_SLOT 5
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#define SHMSIZE ((122.88e6 / (100 * 20)) * 100 * NUM_MESSAGES_PER_SLOT * 8) // ~229 MiB
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// 122.88e6: sample rate at 100 MHz BW of 5G NR
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// 100 * 20: 2000 slots/s (20 slots/frame, 100 frames/s) at SCS 30 kHz
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// 100: number of slots to capture
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// NUM_MESSAGES_PER_SLOT: messages captured per slot
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// 8: bytes per complex I+Q sample
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// for gNB T Tracer App
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#define GETKEYDIR1_gNB ("/tmp/gnb_app1")
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#define GETKEYDIR2_gNB ("/tmp/gnb_app2")
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#define PROJECTID_gNB (2335)
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// for UET Tracer App
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#define GETKEYDIR1_UE ("/tmp/ue_app1")
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#define GETKEYDIR2_UE ("/tmp/ue_app2")
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#define PROJECTID_UE (2336)
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void err_exit(char *buf);
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int create_shm(char **addrN, const char *pathname, int projectId);
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void del_shm(char *addr, int shm_id);
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#endif /* _SHARED_MEMORY_CONFIG_H_ */
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