Change in osmocom-bb[master]: (WIP) misc/cbch_sacn: indicate CBCH cbits to L1/PHY

[Vadim Yanitskiy]

Vadim Yanitskiy has uploaded this change for review. ( 
https://gerrit.osmocom.org/11478


Change subject: (WIP) misc/cbch_sacn: indicate CBCH cbits to L1/PHY
......................................................................

(WIP) misc/cbch_sacn: indicate CBCH cbits to L1/PHY

Change-Id: If19f2b2ed645c0f6f5baf7ed853b41011603f1a0
---
M src/host/layer23/src/misc/app_cbch_sniff.c
1 file changed, 8 insertions(+), 2 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/78/11478/1

diff --git a/src/host/layer23/src/misc/app_cbch_sniff.c 
b/src/host/layer23/src/misc/app_cbch_sniff.c
index 8256eaf..4d50c15 100644
--- a/src/host/layer23/src/misc/app_cbch_sniff.c
+++ b/src/host/layer23/src/misc/app_cbch_sniff.c
@@ -48,6 +48,12 @@
                return 0;
        }

+#define L1SAP_CHAN_IS_SDCCH4(chan_nr) ((chan_nr >> 3) & 3)
+#define L1SAP_CHAN_IS_SDCCH8(chan_nr) ((chan_nr >> 3) & 7)
+#define L1SAP_SDCCH_TO_CBCH(chan_nr) \
+       (L1SAP_CHAN_IS_SDCCH4(chan_nr) ? ((0x18 << 3) | (chan_nr & 0x07)) \
+               : L1SAP_CHAN_IS_SDCCH8(chan_nr) ? ((0x19 << 3) | (chan_nr & 
0x07)) : 0x00)
+
        if (s->h) {
                LOGP(DRR, LOGL_INFO, "chan_nr = 0x%02x TSC = %d  MAIO = %d  "
                        "HSN = %d  hseq (%d): %s\n",
@@ -56,13 +62,13 @@
                        osmo_hexdump((unsigned char *) s->hopping, s->hopp_len 
* 2));
                return l1ctl_tx_dm_est_req_h1(ms,
                        s->maio, s->hsn, s->hopping, s->hopp_len,
-                       s->chan_nr, s->tsc,
+                       L1SAP_SDCCH_TO_CBCH(s->chan_nr), s->tsc,
                        GSM48_CMODE_SIGN, 0);
        } else {
                LOGP(DRR, LOGL_INFO, "chan_nr = 0x%02x TSC = %d  ARFCN = %d\n",
                        s->chan_nr, s->tsc, s->arfcn);
                return l1ctl_tx_dm_est_req_h0(ms, s->arfcn,
-                       s->chan_nr, s->tsc, GSM48_CMODE_SIGN, 0);
+                       L1SAP_SDCCH_TO_CBCH(s->chan_nr), s->tsc, 
GSM48_CMODE_SIGN, 0);
        }
 }


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Gerrit-Project: osmocom-bb
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: If19f2b2ed645c0f6f5baf7ed853b41011603f1a0
Gerrit-Change-Number: 11478
Gerrit-PatchSet: 1
Gerrit-Owner: Vadim Yanitskiy <axilira...@gmail.com>