mirror of https://gerrit.osmocom.org/libosmocore
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/*! \file gsm_04_12.h
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* GSM TS 04.12 definitions for Short Message Service Cell Broadcast. */
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#pragma once
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#include <stdint.h>
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#include <osmocom/core/endian.h>
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#define GSM412_MSG_LEN 88 /* TS 04.12 Section 3.1 */
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#define GSM412_BLOCK_LEN 22 /* TS 04.12 Section 3.1 */
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#define GSM412_SEQ_FST_BLOCK 0x0
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#define GSM412_SEQ_SND_BLOCK 0x1
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#define GSM412_SEQ_TRD_BLOCK 0x2
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#define GSM412_SEQ_FTH_BLOCK 0x3
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#define GSM412_SEQ_FST_SCHED_BLOCK 0x8
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#define GSM412_SEQ_NULL_MSG 0xf
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struct gsm412_block_type {
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#if OSMO_IS_LITTLE_ENDIAN
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uint8_t seq_nr : 4,
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lb : 1,
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lpd : 2,
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spare : 1;
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#elif OSMO_IS_BIG_ENDIAN
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/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianess.py) */
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uint8_t spare:1, lpd:2, lb:1, seq_nr:4;
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#endif
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} __attribute__((packed));
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struct gsm412_sched_msg {
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#if OSMO_IS_LITTLE_ENDIAN
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uint8_t beg_slot_nr : 6,
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type : 2;
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uint8_t end_slot_nr : 6,
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spare1 : 1, spare2: 1;
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uint8_t cbsms_msg_map[6];
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uint8_t data[0];
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#elif OSMO_IS_BIG_ENDIAN
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/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianess.py) */
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uint8_t type:2, beg_slot_nr:6;
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uint8_t spare2:1, spare1:1, end_slot_nr:6;
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uint8_t cbsms_msg_map[6];
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uint8_t data[0];
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#endif
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} __attribute__((packed));
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