文件名称:task3-2
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对EVK1100板,创建一个菜单系统。该系统应采用的液晶显示传感器（热敏电阻，电位器和光感应器（LDR的）
推按钮PB0 - PB3应该选择一个项，并开始
采集数据,由传感器连接到ADC。该ADC值应转换一个介于0 - 3.3V的电压。
推动的操纵杆按钮，应该将系统返回到初始的菜单。该按钮状态应该使用中断
该ADC值应予以使用轮询技术。
该ADC是采用了3.3V的参考电压。-Write a C program which creates a menu system. The system should utilizes the LCD
* display and the built in sensors(thermistor, potentiometer and light sensor (LDR)
* on the EVK1100 board.
* Pushing the pushbutton PB0-PB3 should select a item on the menu, and start taking
* data from the ADC connected to the selected sensor. The ADC value should be converted
* to a voltage between 0-3.3V.
* Pushing the Joystick button, should return the system to the initial menu.
*
* The pushbutton states should be registered using interrupt
* Interrupt functions are available in gpio.h
*
* The ADC has 8 channel and 10-bit resolution.
* The ADC value should be read using polling technique.
*
* The ADC is powered with a 3.3V reference voltage.
推按钮PB0 - PB3应该选择一个项，并开始
采集数据,由传感器连接到ADC。该ADC值应转换一个介于0 - 3.3V的电压。
推动的操纵杆按钮，应该将系统返回到初始的菜单。该按钮状态应该使用中断
该ADC值应予以使用轮询技术。
该ADC是采用了3.3V的参考电压。-Write a C program which creates a menu system. The system should utilizes the LCD
* display and the built in sensors(thermistor, potentiometer and light sensor (LDR)
* on the EVK1100 board.
* Pushing the pushbutton PB0-PB3 should select a item on the menu, and start taking
* data from the ADC connected to the selected sensor. The ADC value should be converted
* to a voltage between 0-3.3V.
* Pushing the Joystick button, should return the system to the initial menu.
*
* The pushbutton states should be registered using interrupt
* Interrupt functions are available in gpio.h
*
* The ADC has 8 channel and 10-bit resolution.
* The ADC value should be read using polling technique.
*
* The ADC is powered with a 3.3V reference voltage.
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task3-2.txt