kicad-developers team mailing list archive

[Jeff Young <jeff@xxxxxxxxx>]

The <property> elements are used by Pcbnew.  We should probably suppress writing them in “BOM mode”.

> On 19 Feb 2021, at 14:50, Jonatan Liljedahl <lijon@xxxxxxxxxxxx> wrote:
> 
> Hi,
> 
> When using jlcpcb-kicad-tools, it's tedious and error prone to fill in
> the LCSC_Part for all components, so I'm thinking how to automate this
> from a database/CSV file of preferred parts.
> 
> I'm thinking one could make a BOM plugin that processes the XML and
> matches value and footprint (package) to insert the correct LCSC_Part.
> 
> Looking at the XML, it looks for example like this:
> 
>    <comp ref="D1">
>      <value>5819</value>
>      <footprint>kymatica:D_SOD-123</footprint>
>      <datasheet>~</datasheet>
>      <fields>
>        <field name="LCSC_Part">C8598</field>
>        <field name="Spice_Lib_File">/Users/lijon/Dropbox/Electronics/Spice-Models/easyeda.lib</field>
>        <field name="Spice_Model">0</field>
>        <field name="Spice_Netlist_Enabled">N</field>
>        <field name="Spice_Node_Sequence">2 1</field>
>        <field name="Spice_Primitive">R</field>
>      </fields>
>      <libsource lib="kymatica" part="D_Schottky"
> description="Schottky diode, small symbol, filled shape"/>
>      <property name="Spice_Primitive" value="R"/>
>      <property name="Spice_Netlist_Enabled" value="N"/>
>      <property name="Spice_Node_Sequence" value="2 1"/>
>      <property name="Spice_Lib_File"
> value="/Users/lijon/Dropbox/Electronics/Spice-Models/easyeda.lib"/>
>      <property name="Spice_Model" value="0"/>
>      <property name="LCSC_Part" value="C8598"/>
>      <property name="Sheetname" value=""/>
>      <property name="Sheetfile" value="NoiseGrain.kicad_sch"/>
>      <sheetpath names="/" tstamps="/"/>
>      <tstamp>00000000-0000-0000-0000-00005d77ea7f</tstamp>
>    </comp>
> 
> How come each custom field is repeated both in <fields> as well as
> having a <property>? Which one is used?
> 
> Is there any way to read such an XML file back after processing it? Or
> is there a plugin API to process the schematic in place to fill in
> those LCSC_Part fields?
> 
> -- 
> /Jonatan
> http://kymatica.com
> 
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