/**
 * Modelos y variables según la especificación SFF-8200.
 *
 * @author  Joaquín Fernández
 * @url     https://gitlab.com/joaquinfq/openscad/blob/master/Modules/Models/SFF/8200.scad
 * @license CC-BY-NC-4.0
 *
 * @see     SFF-8200 2.5" Form Factor Drives
 */
//----------------------------------------------------------
use <./box.scad>
//----------------------------------------------------------
/**
 * Devuelve las especificaciones de las medidas según SFF-8200.
 *
 * @param {Float}   tolerance Tolerancia a usar para ajustar las medidas.
 * @param {Integer} type      Tipo de unidad (0: pequeña, 1: mediana, 2: grande).
 *
 * @return {Float[]}
 */
function sff8200(tolerance = 0, type = 0) = [
      3.00, // Diámetro del tornillo
     (
         type == 0 
            ? 19.05 
            : type == 1 
                ? 17.00 
                : type == 2
                    ? 15.00 
                    : type == 3
                        ? 12.70 
                        : type == 4
                            ? 10.50 
                            : type == 5
                                ? 9.50 
                                : type == 6
                                    ? 8.47
                                    : type == 7
                                        ? 7.00
                                        : 5.00
    ) + tolerance,
      0.00,
      0.50,
     69.85 + tolerance,
      0.25,
    100.45 + tolerance,
     undef,
     undef,
     undef,
    100.20 + tolerance,     // #10
    100.50 + tolerance,
    110.20 + tolerance,
     undef,
     undef,
     undef,
     undef,
     undef,
     undef,
     undef,
     undef,                 // #20
     undef,
     undef,
      3.00 + tolerance / 2,
     34.93,
     38.10,
     undef,
      0.50,
      4.07 + tolerance / 2,
     61.72,
     34.93,                 // #30
     38.10,
     undef,
      0.50,
     undef,
     undef,
     undef,
      8.00,
      3.00,
     undef,
     undef,                 // #40
      2.50,
     undef,
     undef,
     undef,
     undef,
     undef,
     undef,
     undef,
     undef,
     14.00 + tolerance / 2, // #50
     90.60 + tolerance / 2,
     14.00 + tolerance / 2,
     90.60 + tolerance / 2
];
//----------------------------------------------------------
/**
 * Draw a model of a 3.5" drive according to the SFF-8200 specification.
 *
 * This model allows the volume to be removed later to create a slot as used in PC cases.
 * like those used in PC cases.
 *
 * @param {Float} length Length of the drive to be generated.
 * @param {Float} thickness Thickness of the block where the model will be inserted.
 * @param {Float} screw Diameter of the screw to be used.
 * @param {Float} slot Length of the slot where the screws will be inserted.
 * @param {Float} tolerance Value to be used to adjust the standard dimensions.
 * @param {Integer} type Type of unit (0: small, 1: medium, 2: large).
 */
module sff8200Model(length = 0, thickness = 5, screw = 0, slot = 15, tolerance = 0.3, type = 0)
{
    _A = sff8200(tolerance, type);
    modelBox(
        _A[4],
        _A[1],
        length ? length : _A[6],
        thickness,
        screw ? screw : _A[0],
        slot,
        [
            [ _A[23], _A[6] - _A[52] ],
            [ _A[23], _A[6] - _A[53] ]
        ],
        [
            [ _A[28],         _A[6] - _A[50] ],
            [ _A[28],         _A[6] - _A[51] ],
            [ _A[4] - _A[28], _A[6] - _A[50] ],
            [ _A[4] - _A[28], _A[6] - _A[51] ]
        ]
    );
}