Intel IXP400 manual Example Sequence Flows for Slave Mode

Intel® IXP400 Software

I2C Driver (IxI2cDrv)

26.4.2Example Sequence Flows for Slave Mode

Figure 110. Sequence Flow Diagram for Slave Receive / General Call in Interrupt Mode

hardwareI2cDrv

interrupt: slave read

Client

No buffer slaveReadCallback(request buffer)

ixI2cDrvSlaveOrGenBufReplenish (memPtr,size) store buffer info

receive data into buffer

buffer full

slaveReadCallback(send cur buf, request new buf)

ixI2cDrvSlaveOrGenBufReplenish (memPtr,size) store buffer info

receive data into buffer

receive complete slaveReadCallback(send buffer)

return clear interrupt

obtain memory buffer

process data

obtain memory buffer

process data

B4375-01

April 2005	IXP400 Software Version 2.0	Programmer’s Guide
336	Document Number: 252539, Revision: 007