使用Altera公司芯片编写的在quartus2下的verliog程序，改程序为DA芯片ADC0804的驱动，并将采样值现实在数码管上。程序模块化，可直接调用。-Using the Altera chip prepared under the quartus2 verliog program, change the program for the DA chip ADC0804 driver, and the sampling value of the reality in the digita