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Altera_Forum's avatar
Altera_Forum
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13 years ago

PS/2 Keyboard with C

Hello, i am trying to make a PS/2 Keyboard work with my FPGA and C language. I tried to capture sequences from the keyboard by using the following code : while(1) { ...
Altera_Forum's avatar
Altera_Forum
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13 years ago

What ps2Data is? Is it a pointer to the rx register of your ps2 serial port?

Why do you read it 4 times?

And, what's the meaning of if(*ps2Data!=1) ?

Usually you need to test a "rx ready" bit on rx status register in order to know if new data word is available.