# physical constrain file # assign io-pins to pin numbering of iCE40-HX1K on olimex board iCE40-HX1K-EVB # compare to the schematic of the board and the datasheet of fpga set_io BUT1 41 # BUT1 set_io BUT2 42 # BUT2 set_io LED1 40 # LED1 set_io LED2 51 # LED2