PCI-1202/1602/180x Series Card
Multi-Function Boards
User Manual/ Ver. 4.8/ Mar. 2015/ PMH-0014-48/ Page: 106
The block diagram of
continuous capture function
is given as follows:
Analog
Signal
MUX
PGA
A/D
Converter
FIFO
PC
Pacer Trigger
Timer
Magic Scan
Controller
:
:
Card?_StartScan(...)
Buffer
Card?_ReadData(...)
Figure 9-1: The block diagram of continuous capture.
The
P180X_Card?_StartScan(…)
will perform the following function:
1.
setup scan-queue
2.
setup channel/gain data
3.
setup continuous capture data
4.
create a multi-task thread for long time data acquisition
5.
If the group A/D data are ready
signal P180X_Card?_ReadStatus(…) to read data
The
P180X_Card?_ReadStatus(…)
will read from the buffer prepared by
P180X_Card?_StartScan(…). This function is running at the same time with the
P180X_Card?_StartScan(…) thread.
The
P180X_Card?_
StopScan(…)
will stop all threads and return all resource