Digital Camera Design Demonstration
Figure 3.4. The Connection Setup for DE2-70 users
Table 3.3 The functional keys of the digital camera demonstration
Component
KEY[0]
KEY[1]
KEY[2]
KEY[3]
SW[0]
SW[16]
HEX[7:0]
Function Description
Reset circuit
Set the new exposure time (use with SW[0] )
Trigger the Image Capture (take a shot)
Switch to Free Run mode
Off: Extend the exposure time
On: Shorten the exposure time
On: ZOOM in
Off: Normal display
Frame counter (Display ONLY)
12.
13.
Users can upload the captured image to PC by clicking the ‘Capture’ button
of the ‘DE2_70_CAMERA.exe ’ as shown in Figure 3.5. Meanwhile, the digital
camera is set to photo-taking mode. Press KEY3 to switch back to FREE
RUN mode.
Click ‘ Save ’ button to save the captured image as a JPG or BMP file.
15
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