adafruit-powerboost-1000.scad

   1 // -*- C -*-
   2
   3 psu_sz_nom = [ 11.43*2, 36.20 ];
   4
   5 //// toplevels-from:
   6 include <adafruit-powerboost-common.scad>
   7
   8 psu_hole_pos = [ 2.05, // from back edge of psu_sz[0]
   9                  0.55 * 0.5 * 25.4, // from centreline
  10                  ];
  11
  12 psu_led_low_x = 4;
  13
  14 psu_led_usbend_y_min = 4.5;
  15 psu_led_chrg_min_x = -1.0;
  16 psu_led_chrg_max_x = 3.0;
  17 psu_led_chrg_both_sz_y = 9.4;
  18
  19 psu_led_low_sz_x = 4.5;
  20 psu_led_low_min_y = -1.5;
  21 psu_led_low_max_y = 2.5;
  22
  23 psu_led_baffle_th = 0.8;
  24 psu_led_baffle_ends = 1.5;
  25
  26 psu_baffle_th = [ 0.8, 3.5 ];
  27 psu_innerend_led_depth = 7;
  28
  29 psu_led_legend_line = 0.75;
  30
  31 psu_led_legend_battery_l = 6.0;
  32 psu_led_legend_battery_w = 4.0;
  33 psu_led_legend_battery_nub_l = 0.75;
  34 psu_led_legend_battery_nub_w = 1.5;
  35
  36 psu_led_legend_power_dia = 5.0;
  37
  38 psu_led_legend_gap = 1.25;
  39
  40 // ----- calculated -----
  41
  42 psu_led_legend_battery_edge = psu_led_legend_line;
  43
  44 psu_led_legend_power_tick_l =
  45   psu_led_legend_power_dia * 0.65;
  46 psu_led_legend_power_tick_dy = psu_led_legend_line;
  47
  48 psu_led_legend_power_sz_y =
  49   psu_led_legend_power_dia/2 + psu_led_legend_power_tick_l/2
  50   - psu_led_legend_power_tick_dy;
  51
  52 psu_innerend_led_x_midder =  - psu_hole_pos[1] - psu_hole_dia/2;
  53
  54 module PsuLedBafflePlan(){
  55   AtPsuMountCorner(0,0) {
  56     translate([ (psu_led_chrg_min_x + psu_led_chrg_max_x)/2,
  57                psu_led_usbend_y_min + psu_led_chrg_both_sz_y/2 ])
  58       square(center=true,
  59              [ psu_led_chrg_max_x - psu_led_chrg_min_x
  60                + psu_led_baffle_ends*2,
  61                psu_led_baffle_th ]);
  62   }
  63 }
  64
  65 module PsuLedWindowsPlanCore(){
  66   difference(){
  67     union(){
  68       // Two LEDs one side of inlet connector
  69       // "Full" (near edge) and "Chrg" (inner)
  70       AtPsuMountCorner(0,0) {
  71         translate([0, psu_led_usbend_y_min ])
  72           rectfromto([ psu_led_chrg_min_x, 0 ],
  73                      [ psu_led_chrg_max_x,
  74                        psu_led_chrg_both_sz_y ]);
  75       }
  76
  77       // One LED, "Low", other side of inlet connector
  78       AtPsuMountCorner(1,0) {
  79         translate([0, psu_led_usbend_y_min ])
  80           rectfromto([ 0,
  81                        psu_led_low_min_y ],
  82                      [ psu_led_low_sz_x,
  83                        psu_led_low_max_y ]);
  84       }
  85
  86       // One LED, PWR, near outlet USB pads
  87       AtPsuMountCorner(0,1){
  88         rectfromto([0,0],
  89                    [psu_sz[0]/2 + psu_innerend_led_x_midder,
  90                     psu_innerend_led_depth]);
  91       }
  92     }
  93   }
  94 }
  95
  96 module PsuLedLegendBattery(percent=50){
  97   e = psu_led_legend_battery_edge;
  98   empty_l = (100-percent)/100 * (psu_led_legend_battery_l - e*2);
  99   difference(){
 100     union(){
 101       square([psu_led_legend_battery_l,
 102               psu_led_legend_battery_w], center=true);
 103       translate([psu_led_legend_battery_l/2, 0])
 104         square([psu_led_legend_battery_nub_l*2,
 105                 psu_led_legend_battery_nub_w], center=true);
 106     }
 107     if (empty_l > 0)
 108       translate([-(psu_led_legend_battery_l/2-e),
 109                  -(psu_led_legend_battery_w/2-e)])
 110         square([empty_l, psu_led_legend_battery_w - e*2]);
 111   }
 112 }
 113
 114 module PsuLedLegendPowerSymbol(){
 115   $fn=30;
 116   tick_mid = [0, psu_led_legend_power_dia/2 - psu_led_legend_power_tick_dy];
 117
 118   cut_slope = ( psu_led_legend_gap + psu_led_legend_line/2 ) / tick_mid[1];
 119   cut_y = psu_led_legend_power_dia + 1;
 120
 121   translate(tick_mid)
 122     square([psu_led_legend_line, psu_led_legend_power_tick_l], center=true);
 123
 124   difference(){
 125     circle(r= psu_led_legend_power_dia/2);
 126     circle(r= psu_led_legend_power_dia/2 - psu_led_legend_line);
 127
 128     polygon([[0, 0],
 129              [-cut_y * cut_slope, cut_y],
 130              [ cut_y * cut_slope, cut_y]]);
 131
 132     if(0) translate(tick_mid)
 133       square([psu_led_legend_line, psu_led_legend_power_tick_l]
 134              + [psu_led_legend_gap*2, 0.1],
 135              center=true);
 136   }
 137 }
 138
 139 module PsuLedLegendsPlan(){
 140   translate([psu_led_legend_battery_l/2
 141              + psu_innerend_led_x_midder
 142              + psu_led_legend_gap,
 143              psu_sz[1]/2
 144              - psu_innerend_led_depth/2
 145              ])
 146     PsuLedLegendBattery(0);
 147
 148   for (full=[0,1]) {
 149     translate([-psu_sz[0]/2
 150                + psu_led_legend_battery_l/2
 151                + psu_led_chrg_max_x
 152                + psu_led_legend_gap,
 153                -psu_sz[1]/2
 154                + psu_led_usbend_y_min
 155                + psu_led_chrg_both_sz_y * (1-full)
 156                ])
 157       PsuLedLegendBattery(full ? 100 : 50);
 158   }
 159
 160   translate([psu_sz[0]/2
 161              - psu_led_legend_power_dia/2,
 162              -psu_sz[1]/2
 163              + psu_led_legend_gap
 164              + psu_led_usbend_y_min
 165              + psu_led_low_max_y
 166              + psu_led_legend_power_sz_y
 167              ])
 168     rotate([0,0,180])
 169     PsuLedLegendPowerSymbol();
 170 }