Solvline Eddy DKV2.1.0.3 - Manual (Page 84)

Chapter 6. Library
Introduction
84
Function Reads pointer to registered shared memory.
Format void *SB_GetSharedMemory (int Key_ID, int Buffer_Size);
Parameter Key_ID
Buffer_Size ID of registered shared menory
Size of shared memory used
*buffer_address Memory address of shared memory
Returns Returns -1 upon failure.
Notice Portview is Windows application developed by SystemBase which can
remotely monitor Eddy’s operating condition. In contrast, SNMP server,
which provides basically same function as Portview, is industry’s standard
monitoring protocol S/W developed by 3Com, Cysco, etc. and sold in
hundreds of thousands of U.S. dollars.
To be compatible with both of the applications, each application in Eddy
uses shared memory to store information and send the information to
Portview and SNMP.
Note that PortView and SNMP Agent has to be set in the environment
configuration.
SB_SetSharedMemory
Function Requests shared memory to be used and reads memory pointer.
Format void *SB_SetSharedMemory (int Key_ID, int Buffer_Size);
Parameter Key_ID
Buffer_Size ID of shared memory to be registered
Size of shared memory to be used
Returns *buffer_address Memory address of shared memory
Returns -1 upon failure.
Notice In Eddy, this function is used for PortView and SNMP agent.
User can use this function to access shared memory for other purpose.
6.5 Serial functions
These functions are used to handle internal serial port and UART.
SB_OpenSerial
Function Opens serial port.
Format int SB_OpenSerial (int Port_No);
Parameter Port_No
Serial port number
0: First serial port
1: Second serial port