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[AVR] Read data from cam plate keyboard to AVR

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sirmohammad

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Read data from complate keyboad to AVR

Hi,I want to read data from this keyboard in proteus with atmega32 . can somebody help me?
I use codevision to programming.
the keyboard is named 'keyboard at' in proteus library. Capture.PNG
 

Re: Read data from complate keyboad to AVR

dear this keyboard makes a grid of 22x6.
whenever you hit a key, corresponding point in the grid will be high.
you have to read each point in the grid.
 

Re: Read data from complate keyboad to AVR

This is a PC-like matrix keyboard that you surelly will not find in real world. In addition to use a high number of the uC pins, another drawback is the colum length, which requires a lot of core processing to scan it, unless you have a dedicated peripheral specifically designed for it. In shorts, if you do not want to make a firmware for your own PC-style keyboard, it is usefull just for playing on simulator.
 

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