atmega128 adn sd casd

i need a proteus 7.4 simulation and a program(.hex) with full explanations in code vision [login to view URL] must include 1 or 2 atmega128, piramidal mux for analogic signal(8+1),some sensors(analogic and digital),sd card(or other memory). the ideea is to take signals from sensors, convert the analogic signals and write the results to sd card.a port of the microcontroller is for generating adress for 8+1 mux. how can i import data fron sd card to computer (ex. excel)usung a cardreader?