How to Make a oscilloscope with a analog to digital converter high frequency

I have AD9225ARS 12-Bit 25 MSPS to convert one analog signal input to a 12bit digital parallel output
I want to use it to read a high frequency signal like the oscilloscope exactly
Can you help me for convert two pieces together and connect them to Arduino ?
I have two references adc ch1 and adc ch2 .... and two IC
How can I get a source equivalent to it and modify it....
There is no available source code on network
I have 4 of them and I will use them all For a project later ,