Increased the Tap-Cell grid to allow larger cells

openlane/user_proj_example/config.tcl

diff --git a/openlane/user_proj_example/config.tcl b/openlane/user_proj_example/config.tcl
index fdd1ad7..8343337 100755
--- a/openlane/user_proj_example/config.tcl
+++ b/openlane/user_proj_example/config.tcl
@@ -15,6 +15,7 @@
 
 set ::env(PDK) "sky130A"
 #set ::env(STD_CELL_LIBRARY) "sky130_fd_sc_hd"
+set ::env(STD_CELL_LIBRARY) "sky130_fd_sc_ls"
 
 set script_dir [file dirname [file normalize [info script]]]
 
@@ -39,7 +40,6 @@
 set ::env(RUN_SPEF_EXTRACTION) 0
 set ::env(MACRO_PLACEMENT_CFG) $script_dir/macro_placement.cfg
 
-
 set ::env(DESIGN_IS_CORE) 0
 
 set ::env(CLOCK_PORT) "wb_clk_i"
@@ -47,14 +47,16 @@
 set ::env(CLOCK_PERIOD) "10"
 
 set ::env(FP_SIZING) absolute
-set ::env(DIE_AREA) "0 0 900 600"
-#set ::env(DIE_AREA) "0 0 300 300"
+#set ::env(DIE_AREA) "0 0 900 600"
+set ::env(DIE_AREA) "0 0 300 300"
 
-set ::env(VDD_NETS) [list {vccd1} {vccd2} {vdda1} {vdda2}]
-set ::env(GND_NETS) [list {vssd1} {vssd2} {vssa1} {vssa2}]
+set ::env(VDD_NETS) [list {vccd1}]
+set ::env(GND_NETS) [list {vssd1}]
 
 set ::env(FP_PIN_ORDER_CFG) $script_dir/pin_order.cfg
 
+set ::env(FP_TAPCELL_DIST) 13
+
 set ::env(PL_BASIC_PLACEMENT) 0
 set ::env(PL_RANDOM_GLB_PLACEMENT) 1
 set ::env(PL_TARGET_DENSITY) 0.5
@@ -90,3 +92,4 @@
 #set ::env(GND_NETS) [list {vssd1}]
 
 set ::env(DIODE_INSERTION_STRATEGY) 4 
+