[PATCH] osmo-bts[master]: doc: add ladder diagram on dynamic PDCH, add msc-README

[Neels Hofmeyr]

Review at  https://gerrit.osmocom.org/279

doc: add ladder diagram on dynamic PDCH, add msc-README

Change-Id: I532f896b1b528c4d1764bb5042a7f42c3c60f617
---
A doc/dyn_pdch.msc
A doc/msc-README
2 files changed, 38 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/79/279/1

diff --git a/doc/dyn_pdch.msc b/doc/dyn_pdch.msc
new file mode 100644
index 0000000..3ee3a90
--- /dev/null
+++ b/doc/dyn_pdch.msc
@@ -0,0 +1,36 @@
+msc {
+	hscale = "1.2";
+	phy,bts,pcu,bsc;
+
+	phy box bsc	[ label = "PDCH Deactivation" ];
+	bsc => bts	[ label = "IPAC PDCH DEACT" ];
+	---		[ label = "Disconnect PDTCH" ];
+	bts => pcu	[ label = "info ind (Disconnect)" ];
+	pcu => bts	[ label = "chan Disconnect request" ];
+	bts => phy	[ label = "L1 chan Disconnect PDTCH" ];
+	phy -> bts	[ label = "L1 chan Disconnect confirm" ];
+	bts -> pcu	[ label = "chan Disconnect confirm" ];
+	---		[ label = "Connect TCH" ];
+	bts => phy	[ label = "L1 chan Connect TCH" ];
+	phy -> bts	[ label = "L1 chan Connect confirm" ];
+	bts => bsc	[ label = "IPAC PDCH DEACT ACK" ];
+
+	phy box bsc	[ label = "Now BSC may use TCH (example)" ];
+	bsc => bts	[ label = "Activate TCH/F" ];
+	---  		[ label = "Voice call..." ];
+	bsc => bts	[ label = "Deactivate TCH/F" ];
+
+	phy box bsc	[ label = "PDCH Activation" ];
+	bsc => bts	[ label = "IPAC PDCH ACT" ];
+	---		[ label = "Disconnect TCH" ];
+	bts => phy	[ label = "L1 chan Disconnect TCH" ];
+	phy -> bts	[ label = "L1 chan Disconnect confirm" ];
+	---		[ label = "Connect PDTCH" ];
+	bts => pcu	[ label = "info ind (Connect)" ];
+	pcu => bts	[ label = "chan Connect request" ];
+	bts => phy	[ label = "L1 chan Connect PDTCH" ];
+	phy -> bts	[ label = "L1 chan Connect confirm" ];
+	bts -> pcu	[ label = "chan Connect confirm" ];
+	bts => bsc	[ label = "IPAC PDCH DEACT ACK" ];
+
+}
diff --git a/doc/msc-README b/doc/msc-README
new file mode 100644
index 0000000..55d6bae
--- /dev/null
+++ b/doc/msc-README
@@ -0,0 +1,2 @@
+sudo apt-get install mscgen
+mscgen -T svg dyn_pdch.msc

-- 
To view, visit https://gerrit.osmocom.org/279
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I532f896b1b528c4d1764bb5042a7f42c3c60f617
Gerrit-PatchSet: 1
Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de>