Omega Engineering OME-A826PG - Manual (Page 55)

OME-A-826PG Software Manual [Win 95/98/NT]
3.6.8 Diagram of AD , DMA Mode
The 3.6.1 to 3.6.7 are functions to perform the A/D conversion with DMA
transfer. The flow chart to program these function is giver as follows:
A826_DriverInit
…….
A826_AD_DMA_InstallIrq ( … )
………
A826_AD_DMA_Start ( … )
……
A826_AD_DMA_IsNotFinished ()
………..
A826_AD_DMA_GetBuffer ( )
……
A826_AD_DMA_Stop
………
A826_AD_DMA_RemoveIrq
………
A826_DriverClose
Stop the interrupt transfer
Check if finished of data transfer.
To copy data into user's buffer
Initialize the Device-Driver
Install the IRQ
Close the Device-Driver
Remove the interrupt handler.
Start the Interrupt Transfer
Date: Aug-15-2000 Ver: 2.2 Page 53