I'm having trouble with the C51 sprintf formats. sprintf does not pad the output according to the width field sprintf(rs_send_line,"%2d:%2d -> ",hrs,(int)(m-(hrs*60))); sprintf(&rs_send_line[9],"%4.0fV at %3buuA %5.0fVhrs",v_last,current_per_strip,run_vhrs); yields the following output "4:00 -> 500V at 7uA 2000Vhrs" Why is the output not padded with blanks per the width field? Any suggestions would be appreciated. Thanks Allen
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