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osmo-bts-trx: visualize rx_tch[fh]_fn() functions 

Change-Id: I373dbbc3d427858f76d07ff85633e07fe2600770
Related: OS#1572
This commit is contained in:
Vadim Yanitskiy 2023-05-30 01:31:57 +07:00
parent 4bbfb904b8
commit bb596dddc7
3 changed files with 102 additions and 2 deletions
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doc/trx_sched_tch.txt Normal file
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@ -0,0 +1,98 @@
== rx_tchf_fn(): TCH/FS, TCH/EFS, TCH/AFS, TCH/F2.4, and FACCH/F
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 4
| | | | | | | | | | | | | | | | | | | | | a | b | c | d | Rx bid={0,1,2,3}, decode
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 4
| | | | | | | | | | | | | | | | | a | b | c | d | e | f | g | h | Rx bid={0,1,2,3}, decode
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 4
|
|<~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>| frame A
| |<~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>| frame B
@ decoding from here
== rx_tchf_fn(): TCH/F14.4, TCH/F9.6, TCH/F4.8
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 4
| | | | | | | | | | | | | | | | | | | | | a | b | c | d | Rx bid={0,1,2,3}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 4
| | | | | | | | | | | | | | | | | a | b | c | d | e | f | g | h | Rx bid={0,1,2,3}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 4
| | | | | | | | | | | | | a | b | c | d | e | f | g | h | i | j | k | l | Rx bid={0,1,2,3}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 4
| | | | | | | | | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | Rx bid={0,1,2,3}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 4
| | | | | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | Rx bid={0,1,2,3}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 4
| a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | Rx bid={0,1,2,3}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 4
|
|<~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>| frame A
| |<~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>| frame B
@ decoding from here
== rx_tchh_fn(): TCH/HS, TCH/AHS
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | | | | | | | | | a | b | | | Rx bid={0,1}, decode
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | | | | | | | a | b | c | d | | | Rx bid={0,1}, decode
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | | | | | a | b | c | d | e | f | | | Rx bid={0,1}, decode
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 2
|
|<~~~~~~~~~~~~~>| frame A
| |<~~~~~~~~~~~~~>| frame B
@ decoding from here
== rx_tchh_fn(): FACCH/H
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | | | | | | | | | a | b | | | Rx bid={0,1}, decode
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | | | | | | | a | b | c | d | | | Rx bid={0,1}
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | | | | | a | b | c | d | e | f | | | Rx bid={0,1}, decode
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|---+---+---+---+---+---+---+---+ << 2
|
|<~~~~~~~~~~~~~~~~~~~~~>| frame A
| |<~~~~~~~~~~~~~~~~~~~~~>| frame B
@ decoding from here
== rx_tchh_fn(): TCH/H4.8, TCH/H2.4
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | | | | | | | | | a | b | | | Rx bid={0,1}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | | | | | | | a | b | c | d | | | Rx bid={0,1}
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | | | | | a | b | c | d | e | f | | | Rx bid={0,1}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | | | a | b | c | d | e | f | g | h | | | Rx bid={0,1}
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | | | a | b | c | d | e | f | g | h | i | j | | | Rx bid={0,1}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | | | a | b | c | d | e | f | g | h | i | j | k | l | | | Rx bid={0,1}
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| | | | | | | | | a | b | c | d | e | f | g | h | i | j | k | l | m | n | | | Rx bid={0,1}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| | | | | | | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | | | Rx bid={0,1}
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| | | | | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | | | Rx bid={0,1}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| | | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | | | Rx bid={0,1}
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
| a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | | | Rx bid={0,1}, decode
|---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ << 2
|
|<~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>| frame A
| |<~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>| frame B
@ decoding from here

3
src/osmo-bts-trx/sched_lchan_tchf.c
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@ -97,7 +97,8 @@ static int decode_fr_facch(struct l1sched_ts *l1ts,
return GSM_MACBLOCK_LEN;
}
/*! \brief a single TCH/F burst was received by the PHY, process it */
/* Process a single Uplink TCH/F burst received by the PHY.
* This function is visualized in file 'doc/trx_sched_tch.txt'. */
int rx_tchf_fn(struct l1sched_ts *l1ts, const struct trx_ul_burst_ind *bi)
{
struct l1sched_chan_state *chan_state = &l1ts->chan_state[bi->chan];

3
src/osmo-bts-trx/sched_lchan_tchh.c
View File

@ -154,7 +154,8 @@ static int decode_hr_facch(struct l1sched_ts *l1ts,
return GSM_MACBLOCK_LEN;
}
/*! \brief a single TCH/H burst was received by the PHY, process it */
/* Process a single Uplink TCH/H burst received by the PHY.
* This function is visualized in file 'doc/trx_sched_tch.txt'. */
int rx_tchh_fn(struct l1sched_ts *l1ts, const struct trx_ul_burst_ind *bi)
{
struct l1sched_chan_state *chan_state = &l1ts->chan_state[bi->chan];