DE2-115: User Manual
DE2-115: User Manual
DE2-115: User Manual
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Figure 3-2 The <strong>DE2</strong>-<strong>115</strong> Control Panel concept<br />
The <strong>DE2</strong>-<strong>115</strong> Control Panel can be used to light up LEDs, change the values displayed on<br />
7-segment and LCD displays, monitor buttons/switches status, read/write the SDRAM, SRAM,<br />
EEPROM and Flash Memory, monitor the status of an USB device, communicate with the PS/2<br />
mouse, output VGA color pattern to VGA monitor, verify functionality of HSMC connector I/Os,<br />
communicate with PC via RS-232 interface and read SD Card specification information. The<br />
feature of reading/writing a word or an entire file from/to the Flash Memory allows the user to<br />
develop multimedia applications (Flash Audio Player, Flash Picture Viewer) without worrying about<br />
how to build a Memory Programmer.<br />
3.2 Controlling the LEDs, 7-segment Displays and LCD<br />
Display<br />
A simple function of the Control Panel is to allow setting the values displayed on LEDs, 7-segment<br />
displays, and the LCD character display.<br />
Choosing the LED tab leads to the window in Figure 3-3. Here, you can directly turn the LEDs on<br />
or off individually or by clicking “Light All” or “Unlight All”.<br />
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