ergogen/src/footprints/mx.js
2021-07-06 20:14:59 +02:00

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3.6 KiB
JavaScript

// Any MX switch
// Nets
// from: corresponds to pin 1
// to: corresponds to pin 2
// Params
// hotswap: default is false
// if true, will include holes and pads for Kailh MX hotswap sockets
// reverse: default is false
// if true, will flip the footprint such that the pcb can be reversible
// keycaps: default is false
// if true, will add choc sized keycap box around the footprint
//
// note: hotswap and reverse can be used simultaneously
module.exports = {
nets: ['from', 'to'],
params: {
class: 'S',
hotswap: false,
reverse: false,
keycaps: false
},
body: p => {
const standard = `
(module MX (layer F.Cu) (tedit 5DD4F656)
${p.at /* parametric position */}
${'' /* footprint reference */}
(fp_text reference "${p.ref}" (at 0 0) (layer F.SilkS) ${p.ref_hide} (effects (font (size 1.27 1.27) (thickness 0.15))))
(fp_text value "" (at 0 0) (layer F.SilkS) hide (effects (font (size 1.27 1.27) (thickness 0.15))))
${''/* corner marks */}
(fp_line (start -7 -6) (end -7 -7) (layer Dwgs.User) (width 0.15))
(fp_line (start -7 7) (end -6 7) (layer Dwgs.User) (width 0.15))
(fp_line (start -6 -7) (end -7 -7) (layer Dwgs.User) (width 0.15))
(fp_line (start -7 7) (end -7 6) (layer Dwgs.User) (width 0.15))
(fp_line (start 7 6) (end 7 7) (layer Dwgs.User) (width 0.15))
(fp_line (start 7 -7) (end 6 -7) (layer Dwgs.User) (width 0.15))
(fp_line (start 6 7) (end 7 7) (layer Dwgs.User) (width 0.15))
(fp_line (start 7 -7) (end 7 -6) (layer Dwgs.User) (width 0.15))
${''/* middle shaft */}
(pad "" np_thru_hole circle (at 0 0) (size 3.9878 3.9878) (drill 3.9878) (layers *.Cu *.Mask))
${''/* stabilizers */}
(pad "" np_thru_hole circle (at 5.08 0) (size 1.7018 1.7018) (drill 1.7018) (layers *.Cu *.Mask))
(pad "" np_thru_hole circle (at -5.08 0) (size 1.7018 1.7018) (drill 1.7018) (layers *.Cu *.Mask))
`
const keycap = `
${'' /* keycap marks */}
(fp_line (start -9.5 -9.5) (end 9.5 -9.5) (layer Dwgs.User) (width 0.15))
(fp_line (start 9.5 -9.5) (end 9.5 9.5) (layer Dwgs.User) (width 0.15))
(fp_line (start 9.5 9.5) (end -9.5 9.5) (layer Dwgs.User) (width 0.15))
(fp_line (start -9.5 9.5) (end -9.5 -9.5) (layer Dwgs.User) (width 0.15))
`
function pins(def_neg, def_pos, def_side) {
if(p.param.hotswap) {
return `
${'' /* holes */}
(pad "" np_thru_hole circle (at ${def_pos}2.54 -5.08) (size 3 3) (drill 3) (layers *.Cu *.Mask))
(pad "" np_thru_hole circle (at ${def_neg}3.81 -2.54) (size 3 3) (drill 3) (layers *.Cu *.Mask))
${'' /* net pads */}
(pad 1 smd rect (at ${def_neg}7.085 -2.54 180) (size 2.55 2.5) (layers ${def_side}.Cu ${def_side}.Paste ${def_side}.Mask) ${p.net.from})
(pad 2 smd rect (at ${def_pos}5.842 -5.08 180) (size 2.55 2.5) (layers ${def_side}.Cu ${def_side}.Paste ${def_side}.Mask) ${p.net.to})
`
} else {
return `
${''/* pins */}
(pad 1 thru_hole circle (at ${def_pos}2.54 -5.08) (size 2.286 2.286) (drill 1.4986) (layers *.Cu *.Mask) ${p.net.from})
(pad 2 thru_hole circle (at ${def_neg}3.81 -2.54) (size 2.286 2.286) (drill 1.4986) (layers *.Cu *.Mask) ${p.net.to})
`
}
}
if(p.param.reverse){
return `
${standard}
${p.param.keycaps ? keycap : ''}
${pins('-', '', 'B')}
${pins('', '-', 'F')})
`
} else {
return `
${standard}
${p.param.keycaps ? keycap : ''}
${pins('-', '', 'B')})
`
}
}
}