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Merge remote-tracking branch 'testing/master'

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Merge new features with community release
This commit is contained in:
luckyhacky 2014-11-13 18:46:09 +01:00
commit 0be1bc99c1
6 changed files with 48 additions and 17 deletions
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45
src/tetra_mac_pdu.c
View file

@ -39,28 +39,45 @@ static void decode_d_mle_sysinfo(struct tetra_mle_si_decoded *msid, const uint8_
msid->bs_service_details = bits_to_uint(cur, 12); cur += 12;
}
/* see 21.4.4.1 */
void macpdu_decode_sysinfo(struct tetra_si_decoded *sid, const uint8_t *si_bits)
{
const uint8_t *cur = si_bits + 4;
const uint8_t *cur = si_bits;
cur += 2; // skip Broadcast PDU header
cur += 2; // skip Sysinfo PDU header
sid->main_carrier = bits_to_uint(cur, 12); cur += 12;
sid->freq_band = bits_to_uint(cur, 4); cur += 4;
sid->freq_offset = bits_to_uint(cur, 2); cur += 2;
sid->duplex_spacing = bits_to_uint(cur, 3); cur += 3;
sid->main_carrier = bits_to_uint(cur, 12); cur += 12;
sid->freq_band = bits_to_uint(cur, 4); cur += 4;
sid->freq_offset = bits_to_uint(cur, 2); cur += 2;
sid->duplex_spacing = bits_to_uint(cur, 3); cur += 3;
sid->reverse_operation = *cur++;
sid->num_of_csch = bits_to_uint(cur, 2); cur +=2;
sid->ms_txpwr_max_cell = bits_to_uint(cur, 3); cur += 3;
sid->rxlev_access_min = bits_to_uint(cur, 4); cur += 4;
sid->access_parameter = bits_to_uint(cur, 4); cur += 4;
sid->radio_dl_timeout = bits_to_uint(cur, 4); cur += 4;
sid->cck_valid_no_hf = *cur++;
sid->num_of_csch = bits_to_uint(cur, 2); cur += 2;
sid->ms_txpwr_max_cell = bits_to_uint(cur, 3); cur += 3;
sid->rxlev_access_min = bits_to_uint(cur, 4); cur += 4;
sid->access_parameter = bits_to_uint(cur, 4); cur += 4;
sid->radio_dl_timeout = bits_to_uint(cur, 4); cur += 4;
sid->cck_valid_no_hf = *cur++;
if (sid->cck_valid_no_hf)
sid->cck_id = bits_to_uint(cur, 16);
else
sid->hyperframe_number = bits_to_uint(cur, 16);
cur += 16;
/* FIXME: more */
decode_d_mle_sysinfo(&sid->mle_si, si_bits + 124-42);
sid->option_field = bits_to_uint(cur, 2); cur += 2;
switch(sid->option_field)
{
case TETRA_MAC_OPT_FIELD_EVEN_MULTIFRAME: // Even multiframe definition for TS mode
case TETRA_MAC_OPT_FIELD_ODD_MULTIFRAME: // Odd multiframe definition for TS mode
sid->frame_bitmap = bits_to_uint(cur, 20); cur += 20;
break;
case TETRA_MAC_OPT_FIELD_ACCESS_CODE: // Default definition for access code A
sid->access_code = bits_to_uint(cur, 20); cur += 20;
break;
case TETRA_MAC_OPT_FIELD_EXT_SERVICES: // Extended services broadcast
sid->ext_service = bits_to_uint(cur, 20); cur += 20;
break;
}
decode_d_mle_sysinfo(&sid->mle_si, si_bits + 124-42); // could be also cur due to previous fixes
}
static const uint8_t addr_len_by_type[] = {

13
src/tetra_mac_pdu.h
View file

@ -36,6 +36,13 @@ enum tetra_bs_serv_details {
BS_SERVDET_ADV_LINK = (1 << 0),
};
enum tetra_mac_optional_field_flags {
TETRA_MAC_OPT_FIELD_EVEN_MULTIFRAME = 0,
TETRA_MAC_OPT_FIELD_ODD_MULTIFRAME = 1,
TETRA_MAC_OPT_FIELD_ACCESS_CODE = 2,
TETRA_MAC_OPT_FIELD_EXT_SERVICES = 3
};
const char *tetra_get_bs_serv_det_name(uint32_t pdu_type);
struct tetra_mle_si_decoded {
@ -60,6 +67,12 @@ struct tetra_si_decoded {
uint16_t cck_id;
uint16_t hyperframe_number;
};
uint8_t option_field;
union {
uint32_t frame_bitmap;
uint32_t access_code;
uint32_t ext_service;
};
struct tetra_mle_si_decoded mle_si;
};

2
src/tetra_prim.h
View file

@ -9,7 +9,7 @@
enum tetra_saps {
TETRA_SAP_TP, /* between PHY and lower MAC */
TETRA_SAP_TMV, /* beetween lower and upper MAC */
TETRA_SAP_TMV, /* between lower and upper MAC */
TETRA_SAP_TMA,
TETRA_SAP_TMB,
TETRA_SAP_TMD,

3
src/tetra_tdma.c
View file

@ -95,6 +95,5 @@ char *tetra_tdma_time_dump(const struct tetra_tdma_time *tm)
uint32_t tetra_tdma_time2fn(struct tetra_tdma_time *tm)
{
/* FIXME: add hyperframe number !! */
return (tm->mn *18) + tm->fn;
return (((tm->hn * 60) + tm->mn) * 18) + tm->fn;
}

1
src/tetra_tdma.h
View file

@ -4,6 +4,7 @@
#include <stdint.h>
struct tetra_tdma_time {
uint16_t hn; /* hyperframe number (1 ... 65535) */
uint32_t sn; /* symbol number (1 ... 255) */
uint32_t tn; /* timeslot number (1 .. 4) */
uint32_t fn; /* frame number (1 .. 18) */

1
src/tetra_upper_mac.c
View file

@ -49,6 +49,7 @@ static void rx_bcast(struct tetra_tmvsap_prim *tmvp, struct tetra_mac_state *tms
memset(&sid, 0, sizeof(sid));
macpdu_decode_sysinfo(&sid, msg->l1h);
tmvp->u.unitdata.tdma_time.hn = sid.hyperframe_number;
dl_freq = tetra_dl_carrier_hz(sid.freq_band,
sid.main_carrier,