import os from mibuild.platforms import de1 from mibuild.altera_quartus import _add_period_constraint import top def main(): plat = de1.Platform() soc = top.SoC() # set pin constraints plat.request("clk50", obj=soc.clk50) plat.request("key", obj=soc.key) plat.request("ledg", obj=soc.led) plat.request("gpio_0", obj=soc.gpio_0) # set extra constraints plat.add_platform_command(""" set_global_assignment -name FAMILY "Cyclone IV E" set_global_assignment -name TOP_LEVEL_ENTITY "top" set_global_assignment -name VERILOG_INPUT_VERSION SYSTEMVERILOG_2005 set_global_assignment -name CYCLONEII_RESERVE_NCEO_AFTER_CONFIGURATION "USE AS REGULAR IO" set_global_assignment -name RESERVE_FLASH_NCE_AFTER_CONFIGURATION "USE AS REGULAR IO" set_global_assignment -name RESERVE_DATA0_AFTER_CONFIGURATION "USE AS REGULAR IO" set_global_assignment -name RESERVE_DATA1_AFTER_CONFIGURATION "USE AS REGULAR IO" set_global_assignment -name RESERVE_DCLK_AFTER_CONFIGURATION "USE AS REGULAR IO" """) _add_period_constraint(plat, "sys_clk", 20.0) cd = dict() cd["sys"] = soc.cd_sys plat.build_cmdline(soc.get_fragment(), clock_domains=cd) if __name__ == "__main__": main()