diff --git a/doc/xschem_man/developer_info.html b/doc/xschem_man/developer_info.html index 10d1e9c6..51884201 100644 --- a/doc/xschem_man/developer_info.html +++ b/doc/xschem_man/developer_info.html @@ -1861,21 +1861,20 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"

  • Instantiate a component and wire it up with specific nets on its terminals.


    • - - + + - - + + - - -
    + 
    # Create a 5V Vvdd voltage source
 xschem instance vsource.sym 100 100 0 0 {name=Vvdd value=5}
    -
    + 
    # Attach labels, They will get the symbol pin labels
 xschem select instance vvdd
 xschem attach_labels
-
    -
    + 
    # Select labels, unselect vsource and change positive and negative terminal
 # labels to VCC and GND respectively
 # The first item in the selected_set list is the first vsource terminal
@@ -1886,61 +1885,65 @@ xschem select instance Vvdd clear
 xschem setprop instance [lindex [xschem selected_set] 0] lab VCC
 xschem setprop instance [lindex [xschem selected_set] 1] lab GND
 xschem unselect_all
-
    -
    + + +

  • Disable a component in the schematic


    • - - -
    + 
    # Add spice_ignore=true attribute
 # the component will be ignored in generated netlists.
 xschem setprop instance Vvdd spice_ignore true
-
    + + + +

  • Delete a component together with its attached nets


    • - - + + + - - -
    + 
    # select component, select attached nets and delete
 # this will also select wire segments if labels are attached to selected instance with wires.
 xschem select instance Vvdd
 xschem connected_nets
-
    + 
    # Delete selection
 xschem delete
-
    + + + +

  • Delete dangling nets and labels


    • - - -
    + 
    # If after some editing or deletions dangling nets are present
 # they can all be selected. Deletion may be done with a "xschem delete" command.
 xschem select_dangling_nets
-
    + + + +

  • Change attributes of a group of components


    • - - + + + - - -
    + 
    # From this situation we want to select all MOS elements with L=2
 # and modify L (gate length) to 3
-
    + 
    # Do an exact search of elements with L=2
 xschem search exact 1 L 2
 # a more precise search to avoid selecting unwanted elements might be:
@@ -1949,20 +1952,22 @@ xschem search exact 1 L 2
 # instance property string (the special token propstring)
 foreach i [xschem selected_set] { xschem setprop instance $i L 3}
 xschem unselect_all
-
    + + + +

  • Copy a components with its wired terminals


    • - - + + + - - -
    + 
    # From this situation we want to copy Vvdd to a different location
 # and change the instance name, voltage value  and its positive terminal net name
-
    + 
    # select the desired instance
 xschem select instance Vvdd
 # select attached wires
@@ -1976,23 +1981,24 @@ xschem setprop instance [lindex [xschem selected_set] 0] name Vvpp
 xschem setprop instance [lindex [xschem selected_set] 0] value 12
 # Following item is the net label attached to the first symbol pin
 xschem setprop instance [lindex [xschem selected_set] 1] lab VPP 
-
-
    + + + +

  • Transform a component into a short


    • - - + + + - - -
    + 
    # We want to transform this voltage source into a short, passing the 
 # negative label onto the positive terminal.
 # Warning: no net label must be present on the positive net, otherwise you end up with 
 # an ERC error (multiple differnet labels on the same net)
-
    + 
    # add spice_ignore=short attribute to instance
 # All pins of the instance will be shorted together to the same net.
 # Instance will be shown in red to indicate the short condition.
@@ -2001,122 +2007,137 @@ xschem setprop instance [lindex [xschem selected_set] 1] lab VPP
 # you see the left resistor terminal is GND now.
 
 xschem setprop instance Vvdd spice_ignore short
-
-
    + + + +

  • Move a selected portion of the schematic


    • - - + + + - - -
    + 
    # After selecting some objects...
-
    + 
    # ... We move them by some X / Y quantities.
 xschem move_objects 100 0
-
    + + + +

  • Rotate a selected portion of the schematic


    • - - + + + - - -
    + 
    # After selecting some objects ...
-
    + 
    # ... We rotate them clockwise around point 1100,-800 (shown with the red cross)
 xschem rotate 1100 -800
-
    + + + +

  • Flip a selected portion of the schematic


    • - - -
    + 
    # After selecting some objects as before ...
 # ... We flip them horizontally around point 1100,-800 (shown with the red cross)
 xschem flip 1100 -800
-
    + + + +

  • Rotate in place a selected portion of the schematic


    • - - + + + - - -
    + 
    # After selecting some objects ...
-
    + 
    # ... We rotate clockwise each object around their origins
 # the same command 'flip_in_place' is available for flipping horizontally.
 xschem rotate_in_place
-
    + + + +

  • Move a wired object


    • - - + + + - - + + + - - + + + -
    + 
    # After selecting some objects ...
-
    + 
    # ... we select only the first segments attached to their pins ...
 xschem connected_nets 2
-
    + 
    # ... And then move the selection.
 xschem move_objects 100 0
-
    +

  • Add and wire parallel devices


    • - - + + + - - -
    + 
    # Given this instance ...
-
    + 
    # ... The following commands will copy-paste the object and move it 
-# using the "connect by kissing" feature: when separating connected instances a wire is added.
+# using the "connect by kissing" feature: when separating connected
+#  instances a wire is added.
 xschem select instance Q1
 xschem copy
 xschem paste 0 0
 xschem move_objects 120 0 kissing
 xschem unselect_all
-
    + + + +

  • Replace symbols


    • - - + + + - - -
    + 
    # In the following schematic we want to replace the nfet3/pfet3 with nfet and pfet
 # that have the bulk connection pin.
-
    + 
    -xschem search regex 1 model {fet_01v8} ;# select all instances that match "fet_01v8" model name
+# select all instances that match "fet_01v8" model name
+xschem search regex 1 model {fet_01v8}
 set f {}
 foreach i [xschem selected_set] {
   # Replace fet3 with fet in symbol reference
@@ -2124,13 +2145,15 @@ foreach i [xschem selected_set] {
   xschem replace_symbol $i $newname $f
   # remove body attribute since it is now assigned to the bulk pin
   xschem setprop instance $i body fast
-  set f fast ;# the f parameter is for optimzing (avoid pushing undo at each iteration)
+  # the f parameter is for optimzing (avoid pushing undo at each iteration)
+  set f fast
 }
 xschem unselect_all
 xschem redraw
-
    + + + +