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Digital Camera Design Demonstration
3.2
Camera Demonstration Setup On DE4 Board
Locate the project directory from the CD-ROM included and follow the steps
below:
Directory: Demonstration / DE4_230/530_D5M_DVI
FPGA Bitstream Used: DE4_230/530_ D5M_DVI.sof
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Ensure the connection is made correctly as shown in Figure 3.2. Make sure
the D5M is connected to JP4 (GPIO 1) and DVI daughter card is connected
to J20 (HSMC PORT A) of the DE4 board with two THCB-HMF2 interface
cards which are bundled in the DE4 kit.
Insert the DDR2 memory card into J9 (DDR2 SO-DIMM-1).
Connect the DVI TX output of the DVI daughter card to a DVI monitor.
Copy the directory DE4_230/530_D5M_VGA from D5M System CD-ROM to
the host computer.
Download the bitstream (DE4_230/530_D5M_DVI.sof) to the DE4 board.
The system enters the FREE RUN mode automatically. Press BUTTON [0]
on the DE4 board to reset the circuit.
User can use the SW[0] to set the DVI display mode. When SW [0] is set to
Off, the DVI will display whatever the camera captures. when On, the DVI will
display color pattern.
Press BUTTON [2] to take a shot of the photo; you can press BUTTON [3]
again to switch back to FREE RUN mode and you should be able to see
whatever the camera captures on the VGA display..
User can use the SLIDE_SW [0] with BUTTON [1] to set the exposure time
for brightness adjustment of the image captured. When SLIDE_SW [0] is set
to Off, the brightness of image will be increased as BUTTON [1] is pressed
longer. If SLIDE_SW [0] is set to On, the brightness of image will be
decreased as BUTTON [1] is pressed shorter.
Set the SLIDE_SW [1] to On (upper position), the captured image will be
enlarged with BUTTON [0] and BUTTON [3] pressed in order.
Table 3.1 summarizes the functional keys of the digital camera.
10
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