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/*! \file gsm_04_12.h
* GSM TS 04.12 definitions for Short Message Service Cell Broadcast. */
#pragma once
#include <stdint.h>
#include <osmocom/core/endian.h>
#define GSM412_MSG_LEN 88 /* TS 04.12 Section 3.1 */
#define GSM412_BLOCK_LEN 22 /* TS 04.12 Section 3.1 */
#define GSM412_SEQ_FST_BLOCK 0x0
#define GSM412_SEQ_SND_BLOCK 0x1
#define GSM412_SEQ_TRD_BLOCK 0x2
#define GSM412_SEQ_FTH_BLOCK 0x3
#define GSM412_SEQ_FST_SCHED_BLOCK 0x8
#define GSM412_SEQ_NULL_MSG 0xf
struct gsm412_block_type {
#if OSMO_IS_LITTLE_ENDIAN
uint8_t seq_nr : 4,
lb : 1,
lpd : 2,
spare : 1;
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianess.py) */
uint8_t spare:1, lpd:2, lb:1, seq_nr:4;
#endif
} __attribute__((packed));
struct gsm412_sched_msg {
#if OSMO_IS_LITTLE_ENDIAN
uint8_t beg_slot_nr : 6,
type : 2;
uint8_t end_slot_nr : 6,
spare1 : 1, spare2: 1;
uint8_t cbsms_msg_map[6];
uint8_t data[0];
#elif OSMO_IS_BIG_ENDIAN
/* auto-generated from the little endian part above (libosmocore/contrib/struct_endianess.py) */
uint8_t type:2, beg_slot_nr:6;
uint8_t spare2:1, spare1:1, end_slot_nr:6;
uint8_t cbsms_msg_map[6];
uint8_t data[0];
#endif
} __attribute__((packed));
/* Section 9.3: ?? */
/* 9.3.24: Warning Tyoe */
#define GSM412_WARN_TYPE_EARTHQUAKE 0x00
#define GSM412_WARN_TYPE_TSUNAMI 0x01
#define GSM412_WARN_TYPE_QUAKE_ANDTSUNAMI 0x02
#define GSM412_WARN_TYPE_TEST 0x03
#define GSM412_WARN_TYPE_OTHER 0x04
struct gsm412_warning_type {
uint16_t warning_type:7,
emerg_user_alert:1,
popup:1,
padding:7;
} __attribute__((packed));
/* 9.3.25 */
struct gsm412_warning_sec_info {
uint8_t year;
uint8_t month;
uint8_t day;
uint8_t hour;
uint8_t minute;
uint8_t second;
uint8_t timezone;
uint8_t signature[43];
} __attribute__((packed));
/* Section 9.4: Message Format on the Radio Network - MS/UE Interface */
/* 9.4.1.2.1 Serial Number */
#define GSM412_SERNR_GS_CELL_IMM 0
#define GSM412_SERNR_GS_PLMN_NORM 1
#define GSM412_SERNR_GS_LA_SA_TA_NORM 2
#define GSM412_SERNR_GS_CELL_NORM 3
struct gsm412_9_serial_nr {
uint16_t gs:2,
msg_code:10,
update_nr: 4;
} __attribute__((packed));
/* 9.4.1.2.4 Page Parameter */
struct gsm412_9_page_param {
uint8_t total_pages:4,
page_nr:4;
} __attribute__((packed));
/* 9.4.1.2 Message Parameter */
struct gsm412_9_message {
struct gsm412_9_serial_nr ser_nr; /* 9.4.1.2.1 */
uint16_t msg_id; /* 9.4.1.2.2 */
uint8_t dcs; /* TS 23.038 */
struct gsm412_9_page_param page_param; /* 9.4.1.2.4 */
uint8_t content[0]; /* byte 7..88, i.e. 0-82 octets */
} __attribute__((packed));
/* 9.4.1.3 ETWS Primary Notification Message */
struct gsm412_9_etws_prim_notif_msg {
struct gsm412_9_serial_nr ser_nr; /* 9.4.1.2.1 */
uint16_t msg_id; /* 9.4.1.2.2 */
struct gsm412_warning_type warning_type; /* 9.3.24 */
uint8_t warning_sec_info[50]; /* 9.3.25 */
} __attribute__((packed));
//struct gsm412_
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