X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=docs%2Fdeveloper-guide.rst;h=2340191133c6ebc2acbbf90d5cb189133d45665f;hb=refs%2Fchanges%2F25%2F10025%2F5;hp=6ef573812b336e64b67a5d33e1576a9148eae997;hpb=ce136a8facf53778e327bead92b0cfe91b566571;p=o-du%2Fl2.git

diff --git a/docs/developer-guide.rst b/docs/developer-guide.rst
index 6ef573812..234019113 100644
--- a/docs/developer-guide.rst
+++ b/docs/developer-guide.rst
@@ -26,9 +26,9 @@ O-DU High uses C languages. The coding guidelines followed are:
 
 .. figure:: LicHeader.jpg
   :width: 600
-  :alt: Figure 8 License Header and Footer
+  :alt: Figure 16 License Header and Footer
 
-  Figure 8 : License Header and Footer
+  Figure 16 : License Header and Footer
 
 O-DU High code
 ---------------
@@ -280,9 +280,9 @@ Here,
 
 .. figure:: ModeofCommunication.jpg
    :width: 600
-   :alt: Figure 9 Mode of communication between O-DU High entities
+   :alt: Figure 17 Mode of communication between O-DU High entities
 
-   Figure 9: Mode of communication between O-DU High entities
+   Figure 17: Mode of communication between O-DU High entities
 
 Steps of Communication
 ++++++++++++++++++++++
@@ -344,9 +344,9 @@ Below figure summarized the above steps of intra O-DU High communication
 
 .. figure:: StepsOfCommunication.jpg
    :width: 600
-   :alt: Figure 10 Communication between entities
+   :alt: Figure 18 Communication between entities
 
-   Figure 10: Steps of Communication between O-DU High entities
+   Figure 18: Steps of Communication between O-DU High entities
 
 
 Communication with Intel O-DU Low
@@ -357,7 +357,7 @@ the following APIs for communication.
 
 1. **WLS_Open**
 
-   *void\* WLS_Open(const char \*ifacename, unsigned int mode, unsigned long long nWlsMemorySize)*
+   *void\* WLS_Open(const char \*ifacename, unsigned int mode, uint64_t \*nWlsMacMemorySize, uint64_t \*nWlsPhyMemorySize)*
 
       a. Description
 
@@ -368,6 +368,8 @@ the following APIs for communication.
 
          - ifacename - pointer to string with device driver name (/dev/wls)
          - mode      - mode of operation (Master or Slave). Here, O-DU High acts as MASTER.
+         - nWlsMacMemorySize - returns the value of WLS MAC memory Size as O-DU High acts as MASTER
+         - nWlsPhyMemorySize - returns the value of WLS PHY memory Size as O-DU High acts as MASTER
 
       c. Returns pointer handle to WLS interface for future use by WLS functions
 
@@ -763,7 +765,9 @@ O1 uses GNU C++ language.
 ODU - O1 Communication 
 ^^^^^^^^^^^^^^^^^^^^^^
 
-O-DU High and O1 module communicate on a TCP socket.
+O1 module runs as a thread in O-DU High.
+
+Alarm communication between the threads happen on a Unix socket. 
 
 O-DU High sends alarm messages in the following structure using Alarm Interface APIs.