% line_cnt = 8
% print_hdr = true
%
% ## Hash Autovivification
% l = ->(h, k) { h[k] = Hash.new(&l) }
% eset_eqns = Hash.new(&l)
% eset_eqns_print = Hash.new(&l)
% tset_eqns = Hash.new(&l)
% tset_pin_list = []
%
% # binding.pry
%
%
% # Look up edge information in the corresponding Edgesets sheet
% edgesets = Origen.interface.edgeset_sheets[@filename]
% @ts_sheet_pins.each do |grp|
%   if Origen.top_level.has_pin?(grp)
%     pin_ary = get_pin_objects(grp)
%     pin_ary.each do |next_pin|
%       pin_nam = Origen.top_level.pin(next_pin.id).name
%       found_pin_eqn = false
%       edgesets.es.keys.each do |eset|
%         if edgesets.es[eset].pins.key?(pin_nam)
%           eset_eqns[grp][eset][pin_nam] = edgesets.es[eset].pins[pin_nam]
%           eset_eqns_print[grp][pin_nam][eset] = edgesets.es[eset].pins[pin_nam]
%           found_pin_eqn = true
%         end
%       end
%       unless found_pin_eqn
%         Origen.log.error "GRP #{grp}, PIN #{pin_nam}:  Pin timing is not defined in any edgesets"
%         next
%       end
%     end
%   else
%     Origen.log.error "Undefined pin/pingroup in pattern header (#{grp})"
%   end
% end
%
% eset_eqns.keys.each do |grp|
%   grp_edge_same = true
%   eset_eqns[grp].keys.each do |eset_key|
%     grp_edge = nil
%     pin_ary = get_pin_objects(grp)
%     pin_ary.each do |next_pin|
%       pin_nam = Origen.top_level.pin(next_pin.id).name
%       if eset_eqns[grp][eset_key].key?(pin_nam)
%         if grp_edge.nil?
%           grp_edge = eset_eqns[grp][eset_key][pin_nam]
%         elsif !edgesets.edges_eql?(grp_edge, eset_eqns[grp][eset_key][pin_nam])
%           grp_edge_same = false
%         end
%       else
%         grp_edge_same = false
%       end
%     end
%   end
%
%   pin_grp_done = false
%   eset_eqns_print[grp].keys.each do |pin_nam|
%     pin_grp_done ? break : nil
%     eset_eqns_print[grp][pin_nam].keys.each do |eset|
%       clk_per   = edgesets.es[eset].pins[pin_nam].clk_per
%       clk_per   = edgesets.format_uflex_edge(clk_per, line_cnt)
%       if print_hdr
%         print_hdr = false
%         tim_mode  = edgesets.es[eset].t_mode
%       end
%       if grp_edge_same
%         tset_pin_list.push(grp) unless tset_pin_list.include?(grp)
%         line_cnt += 1
%         pin_grp_done = true
%       else
%         tset_pin_list.push(pin_nam) unless tset_pin_list.include?(pin_nam)
%         line_cnt += 1
%       end
%     end
%   end
% end
%
% # Print equations for all pins and pingroups in the pin header
% @ts.keys.each do |tset|
%   t_mode = ''
%   period = ''
%   @ts_sheet_pins.each do |grp|
%     if Origen.top_level.has_pin?(grp)
%       pin_ary = get_pin_objects(grp)
%       pin_ary.each do |next_pin|
%         pin_nam = Origen.top_level.pin(next_pin.id).name
%         # If the edgeset for this pin is already specified within the timeset- apply it here
%         if @ts[tset].pins.key?(pin_nam)
%           tset_eqns[tset][grp][pin_nam] = @ts[tset].pins[pin_nam]
%         else
%           Origen.log.error "TSET #{tset},  PIN #{pin_nam}:  Pin timing cannot be found"
%           next
%         end
%       end
%     else
%       Origen.log.error "Undefined pin/pingroup in pattern header (#{grp})"
%     end
%   end
% end
%
% print_hdr = true
% tset_eqns.keys.each do |tset_key|
%   tset_eqns[tset_key].keys.each do |grp|
%     tset_eqns[tset_key][grp].keys.each do |pin_nam|
%       eset = @ts[tset_key].pins[pin_nam]
%       edge = edgesets.es[eset].pins[pin_nam]
%       tset_per  = edgesets.es[eset].period
%       clk_per   = edge.clk_per
%       tset_per  = edgesets.format_uflex_edge(tset_per, line_cnt)
%       clk_per   = edgesets.format_uflex_edge(clk_per, line_cnt, no_disable: true)
%       clk_per == '' ? setup = 'i/o' : setup = 'clock'
%       if print_hdr
%         print_hdr = false
%         tim_mode  = @ts[tset_key].t_mode
%         master_ts  = @ts[tset_key].master_ts
<%= "DTTimesetSheet,version=2.1:platform=Jaguar:toprow=-1:leftcol=-1:rightcol=-1\tTime Sets" %>
<%= "" %>
<%= "\tTiming Mode:\t#{tim_mode}\t\tMaster Timeset Name:\t" %>
<%= "\tTime Domain:\t" %>
<%= "" %>
<%= "\t\t\tCycle\tPin/Group" %>
<%= "\tTime Set\tPeriod\tName\tClock Period\tSetup\tEdge Set\tComment" %>
%       end
%       if tset_pin_list.include?(grp)
<%= "\t#{tset_key}\t#{tset_per}\t#{grp}\t#{clk_per}\t#{setup}\t#{eset}\t" %>
%         line_cnt += 1
%         break
%       elsif tset_pin_list.include?(pin_nam)
<%= "\t#{tset_key}\t#{tset_per}\t#{pin_nam}\t#{clk_per}\t#{setup}\t#{eset}\t" %>
%         line_cnt += 1
%       end
%     end
%   end
% end
%