libosmogsm
1.9.2
Osmocom GSM library
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14 #define GSM_TDMA_FN_DURATION_nS 4615384
15 #define GSM_TDMA_FN_DURATION_uS 4615
17 #define GSM_TDMA_SUPERFRAME (26 * 51)
18 #define GSM_TDMA_HYPERFRAME (2048 * GSM_TDMA_SUPERFRAME)
21 #define GSM_TDMA_FN_SUM(a, b) \
22 (((a) + (b)) % GSM_TDMA_HYPERFRAME)
24 #define GSM_TDMA_FN_SUB(a, b) \
25 (((a) + GSM_TDMA_HYPERFRAME - (b)) % GSM_TDMA_HYPERFRAME)
27 #define GSM_TDMA_FN_DIFF(a, b) \
28 OSMO_MIN(GSM_TDMA_FN_SUB(a, b), GSM_TDMA_FN_SUB(b, a))
31 #define GSM_TDMA_FN_INC(fn) \
32 ((fn) = GSM_TDMA_FN_SUM((fn), 1))
34 #define GSM_TDMA_FN_DEC(fn) \
35 ((fn) = GSM_TDMA_FN_SUB((fn), 1))
38 #define GSM_NBITS_NB_GMSK_TAIL 3
39 #define GSM_NBITS_NB_GMSK_PAYLOAD (2 * 58)
40 #define GSM_NBITS_NB_GMSK_TRAIN_SEQ 26
41 #define GSM_NBITS_NB_GMSK_BURST 148
44 #define GSM_NBITS_NB_8PSK_TAIL (GSM_NBITS_NB_GMSK_TAIL * 3)
45 #define GSM_NBITS_NB_8PSK_PAYLOAD (GSM_NBITS_NB_GMSK_PAYLOAD * 3)
46 #define GSM_NBITS_NB_8PSK_TRAIN_SEQ (GSM_NBITS_NB_GMSK_TRAIN_SEQ * 3)
47 #define GSM_NBITS_NB_8PSK_BURST (GSM_NBITS_NB_GMSK_BURST * 3)
50 #define GSM_NBITS_SB_GMSK_TAIL GSM_NBITS_NB_GMSK_TAIL
51 #define GSM_NBITS_SB_GMSK_PAYLOAD (2 * 39)
52 #define GSM_NBITS_SB_GMSK_ETRAIN_SEQ 64
53 #define GSM_NBITS_SB_GMSK_BURST GSM_NBITS_NB_GMSK_BURST
56 #define GSM_NBITS_DB_GMSK_TAIL GSM_NBITS_NB_GMSK_TAIL
57 #define GSM_NBITS_DB_GMSK_MIXED 142
58 #define GSM_NBITS_DB_GMSK_BURST GSM_NBITS_NB_GMSK_BURST
61 #define GSM_NBITS_AB_GMSK_ETAIL 8
62 #define GSM_NBITS_AB_GMSK_SYNCH_SEQ 41
63 #define GSM_NBITS_AB_GMSK_PAYLOAD 36
64 #define GSM_NBITS_AB_GMSK_TAIL GSM_NBITS_NB_GMSK_TAIL
65 #define GSM_NBITS_AB_GMSK_BURST GSM_NBITS_NB_GMSK_BURST
68 static inline unsigned int
78 static inline unsigned int
80 unsigned int n_pag_blocks)
82 return (imsi % 1000) % (bs_cc_chans * n_pag_blocks) / n_pag_blocks;
86 static inline unsigned int
90 return (imsi % 1000) % (bs_cc_chans * n_pag_blocks) % n_pag_blocks;
109 uint8_t hsn, uint8_t maio,
110 size_t n,
const uint16_t *ma);
uint16_t gsm0502_hop_seq_gen(const struct gsm_time *t, uint8_t hsn, uint8_t maio, size_t n, const uint16_t *ma)
Hopping sequence generation as per 3GPP TS 45.002, section 6.2.3.
Definition: gsm0502.c:230
@ FN_REMAP_FACCH_F
Definition: gsm0502.h:100
write Write running configuration to or terminal n Write configuration to the copy running config startup Copy configuration n Copy running config to n Copy running config to startup write Write running configuration to or terminal n Write to terminal n
static unsigned int gsm0502_get_n_pag_blocks(const struct gsm48_control_channel_descr *chan_desc)
Definition: gsm0502.h:69
Definition: gsm_utils.h:41
@ FN_REMAP_TCH_F
Definition: gsm0502.h:97
@ FN_REMAP_MAX
Definition: gsm0502.h:103
static unsigned int gsm0502_get_ccch_group(uint64_t imsi, unsigned int bs_cc_chans, unsigned int n_pag_blocks)
Definition: gsm0502.h:79
unsigned int gsm0502_calc_paging_group(const struct gsm48_control_channel_descr *chan_desc, uint64_t imsi)
Definition: gsm0502.c:37
static unsigned int gsm0502_get_paging_group(uint64_t imsi, unsigned int bs_cc_chans, int n_pag_blocks)
Definition: gsm0502.h:87
@ FN_REMAP_TCH_H0
Definition: gsm0502.h:98
#define RSL_BCCH_CCCH_CONF_1_C
Definition: gsm_08_58.h:722
int gsm0502_fn2ccch_block(uint32_t fn)
Calculate CCCH block number from the given TDMA frame number.
Definition: gsm0502.c:294
uint32_t gsm0502_fn_remap(uint32_t fn, enum gsm0502_fn_remap_channel channel)
Calculate the frame number of the beginning of a block.
Definition: gsm0502.c:177
Definition: gsm_04_08.h:992
@ FN_REMAP_TCH_H1
Definition: gsm0502.h:99
@ FN_REMAP_FACCH_H0
Definition: gsm0502.h:101
@ FN_REMAP_FACCH_H1
Definition: gsm0502.h:102
struct gsm48_chan_desc chan_desc
Definition: gsm_04_08.h:689
gsm0502_fn_remap_channel
Definition: gsm0502.h:96