The SDC file:
create_clock –period 37 –waveform {0 18.519} {clk} While reading SDC file in the Quartus, I get following error:
Error: Following required options are missing: -period --------------------------------------------------------------------------- Usage: create_clock [-h | -help] [-long_help] [-add] [-name <clock_name>] -period <value> [-waveform <edge_list>] [<targets>] -h | -help: Short help -long_help: Long help with examples and possible return values -add: Adds clock to a node with an existing clock -name <clock_name>: Clock name of the created clock -period <value>: Speed of the clock in terms of clock period -waveform <edge_list>: List of edge values <targets>: List or collection of targets --------------------------------------------------------------------------- while executing "create_clock –period 37 –waveform {0 18.519} {clk}" (file "SDC1.sdc" line 1) 
