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Erik Strand
strandstring
Commits
b791e9ab
Commit
b791e9ab
authored
6 years ago
by
Erik Strand
Browse files
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Start drawing traces
parent
882fb2a2
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1
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1 changed file
node_board/main.cpp
+69
-42
69 additions, 42 deletions
node_board/main.cpp
with
69 additions
and
42 deletions
node_board/main.cpp
+
69
−
42
View file @
b791e9ab
...
@@ -3,10 +3,10 @@
...
@@ -3,10 +3,10 @@
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
struct
Rectangle
{
struct
Rectangle
{
u
int32_t
x_min
;
int32_t
x_min
;
u
int32_t
x_max
;
int32_t
x_max
;
u
int32_t
y_min
;
int32_t
y_min
;
u
int32_t
y_max
;
int32_t
y_max
;
};
};
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
...
@@ -21,19 +21,23 @@ public:
...
@@ -21,19 +21,23 @@ public:
png_writer_
.
set_all_pixels
(
255
);
png_writer_
.
set_all_pixels
(
255
);
}
}
u
int32_t
to_px
(
double
x
)
{
int32_t
to_px
(
double
x
)
{
return
static_cast
<
u
int32_t
>
(
pix_per_mm_
*
x
);
return
static_cast
<
int32_t
>
(
pix_per_mm_
*
x
);
}
}
void
set_pixel
(
u
int32_t
x
,
u
int32_t
y
,
uint8_t
value
=
255
)
{
void
set_pixel
(
int32_t
x
,
int32_t
y
,
uint8_t
value
=
255
)
{
png_writer_
.
set_pixel
(
x
,
height_px_
-
y
-
1
,
value
);
png_writer_
.
set_pixel
(
x
,
height_px_
-
y
-
1
,
value
);
}
}
void
draw_rectangle
(
void
draw_
int_
rectangle
(
u
int32_t
x_min
,
u
int32_t
x_max
,
u
int32_t
y_min
,
u
int32_t
y_max
,
uint8_t
value
=
255
int32_t
x_min
,
int32_t
x_max
,
int32_t
y_min
,
int32_t
y_max
,
uint8_t
value
=
255
)
{
)
{
for
(
uint32_t
x
=
x_min
;
x
<=
x_max
;
++
x
)
{
x_min
=
std
::
max
(
0
,
x_min
);
for
(
uint32_t
y
=
y_min
;
y
<=
y_max
;
++
y
)
{
x_max
=
std
::
min
(
width_px_
,
x_max
);
y_min
=
std
::
max
(
0
,
y_min
);
y_max
=
std
::
min
(
height_px_
,
y_max
);
for
(
int32_t
x
=
x_min
;
x
<
x_max
;
++
x
)
{
for
(
int32_t
y
=
y_min
;
y
<
y_max
;
++
y
)
{
set_pixel
(
x
,
y
,
value
);
set_pixel
(
x
,
y
,
value
);
}
}
}
}
...
@@ -42,11 +46,11 @@ public:
...
@@ -42,11 +46,11 @@ public:
void
draw_rectangle
(
void
draw_rectangle
(
double
x_min
,
double
x_max
,
double
y_min
,
double
y_max
,
uint8_t
value
=
255
double
x_min
,
double
x_max
,
double
y_min
,
double
y_max
,
uint8_t
value
=
255
)
{
)
{
draw_rectangle
(
to_px
(
x_min
),
to_px
(
x_max
),
to_px
(
y_min
),
to_px
(
y_max
),
value
);
draw_
int_
rectangle
(
to_px
(
x_min
),
to_px
(
x_max
),
to_px
(
y_min
),
to_px
(
y_max
),
value
);
}
}
void
draw_rectangle
(
Rectangle
const
&
r
,
uint8_t
value
=
255
)
{
void
draw_rectangle
(
Rectangle
const
&
r
,
uint8_t
value
=
255
)
{
draw_rectangle
(
r
.
x_min
,
r
.
x_max
,
r
.
y_min
,
r
.
y_max
,
value
);
draw_
int_
rectangle
(
r
.
x_min
,
r
.
x_max
,
r
.
y_min
,
r
.
y_max
,
value
);
}
}
void
draw_pad
(
double
x_min
,
double
x_max
,
double
y_min
,
double
y_max
)
{
void
draw_pad
(
double
x_min
,
double
x_max
,
double
y_min
,
double
y_max
)
{
...
@@ -66,9 +70,9 @@ public:
...
@@ -66,9 +70,9 @@ public:
double
height_
;
double
height_
;
double
pix_per_mm_
;
double
pix_per_mm_
;
double
min_cut_thickness_
;
double
min_cut_thickness_
;
u
int32_t
width_px_
;
int32_t
width_px_
;
u
int32_t
height_px_
;
int32_t
height_px_
;
u
int32_t
min_cut_thickness_px_
;
int32_t
min_cut_thickness_px_
;
};
};
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
...
@@ -81,46 +85,69 @@ int main() {
...
@@ -81,46 +85,69 @@ int main() {
double
pad_y_max
;
double
pad_y_max
;
// board params
// board params
double
const
width
=
6
;
double
const
width
=
6.
6
;
double
const
height
=
14
;
double
const
height
=
14
;
double
const
ppmm
=
50
;
double
const
ppmm
=
50
;
// equivalent to 1270 ppi
double
const
min_cut_thickness
=
0.4
;
double
const
min_cut_thickness
=
0.38
;
double
const
min_trace_thickness
=
0.35
;
Board
board
(
width
,
height
,
ppmm
,
min_cut_thickness
);
Board
board
(
width
,
height
,
ppmm
,
min_cut_thickness
);
// SOIC dims
// SOIC dims
double
const
pad_width
=
0.
5
;
double
const
pad_width
=
0.
6
;
double
const
pad_height
=
2.4
;
double
const
pad_height
=
2.4
;
//double const soic_width = 5;
//double const soic_width = 5;
double
const
soic_height
=
7
;
double
const
soic_height
=
7
;
double
const
soic_pitch
=
1.27
;
double
const
soic_pitch
=
1.27
;
// Draw the SOIC pads
// SOIC pads
double
const
soic_pos_x
=
0.5
*
(
width
-
3
*
soic_pitch
-
pad_width
);
double
const
soic_pos_x
=
min_trace_thickness
+
min_cut_thickness
;
double
const
soic_pos_y
=
0.5
*
(
height
-
soic_height
);
double
const
soic_btm_y
=
0.5
*
(
height
-
soic_height
);
for
(
uint32_t
i
=
0
;
i
<
4
;
++
i
)
{
double
const
soic_top_y
=
height
-
soic_btm_y
;
for
(
int32_t
i
=
0
;
i
<
4
;
++
i
)
{
pad_x_min
=
soic_pos_x
+
i
*
soic_pitch
;
pad_x_min
=
soic_pos_x
+
i
*
soic_pitch
;
pad_x_max
=
pad_x_min
+
pad_width
;
pad_x_max
=
pad_x_min
+
pad_width
;
pad_y_min
=
soic_pos_y
;
pad_y_max
=
soic_btm_y
+
pad_height
;
pad_y_max
=
pad_y_min
+
pad_height
;
board
.
draw_pad
(
pad_x_min
,
pad_x_max
,
soic_btm_y
,
pad_y_max
);
board
.
draw_pad
(
pad_x_min
,
pad_x_max
,
pad_y_min
,
pad_y_max
);
pad_y_min
=
soic_top_y
-
pad_height
;
pad_y_min
=
height
-
pad_y_max
;
board
.
draw_pad
(
pad_x_min
,
pad_x_max
,
pad_y_min
,
soic_top_y
);
pad_y_max
=
pad_y_min
+
pad_height
;
board
.
draw_pad
(
pad_x_min
,
pad_x_max
,
pad_y_min
,
pad_y_max
);
}
}
// Cable attachment dims
// Data/VCC divider
/*
pad_x_min
+=
pad_width
+
min_cut_thickness
+
min_trace_thickness
;
double const cable_pad_height = 2.4;
pad_x_min = (width - 2 * min_cut_thickness) / 3;
pad_x_max
=
pad_x_min
+
min_cut_thickness
;
pad_x_max
=
pad_x_min
+
min_cut_thickness
;
pad_y_min = 0;
pad_y_min
=
soic_btm_y
-
min_cut_thickness
;
pad_y_max = pad_y_min + cable_pad_height;
pad_y_max
=
soic_top_y
+
min_cut_thickness
;
for (uint32_t x = to_px(pad_x_min); x < to_px(pad_x_max); ++x) {
std
::
cout
<<
"Power trace is "
<<
width
-
pad_x_max
<<
"mm
\n
"
;
for (uint32_t y = to_px(pad_y_min); y < to_px(pad_y_max); ++y) {
board
.
draw_rectangle
(
pad_x_min
,
pad_x_max
,
pad_y_min
,
pad_y_max
,
0
);
set_pixel(x, y);
}
// Ground/data divider
}
pad_x_min
=
min_trace_thickness
;
*/
pad_x_max
=
pad_x_min
+
min_cut_thickness
;
board
.
draw_rectangle
(
pad_x_min
,
pad_x_max
,
soic_btm_y
,
soic_top_y
,
0
);
// Ground pad links
pad_x_min
+=
min_cut_thickness
+
0.5
*
(
pad_width
-
min_trace_thickness
);
pad_x_max
=
pad_x_min
+
min_trace_thickness
;
pad_y_min
=
soic_btm_y
-
min_cut_thickness
;
pad_y_max
=
soic_btm_y
;
board
.
draw_rectangle
(
pad_x_min
,
pad_x_max
,
pad_y_min
,
pad_y_max
,
255
);
// Data and power pad links
pad_y_min
=
soic_top_y
-
pad_height
-
min_cut_thickness
;
pad_y_max
=
soic_top_y
+
min_cut_thickness
;
board
.
draw_rectangle
(
pad_x_min
,
pad_x_max
,
pad_y_min
,
pad_y_max
,
255
);
pad_x_min
+=
soic_pitch
;
pad_x_max
+=
soic_pitch
;
board
.
draw_rectangle
(
pad_x_min
,
pad_x_max
,
pad_y_min
,
pad_y_max
,
255
);
// Cable attachment dividers
double
const
cable_pad_width
=
(
width
-
2
*
min_cut_thickness
)
/
3
;
pad_x_min
=
cable_pad_width
;
pad_x_max
=
pad_x_min
+
min_cut_thickness
;
board
.
draw_rectangle
(
pad_x_min
,
pad_x_max
,
0
,
soic_btm_y
-
min_cut_thickness
,
0
);
pad_x_min
+=
cable_pad_width
+
min_cut_thickness
;
pad_x_max
=
pad_x_min
+
min_cut_thickness
;
board
.
draw_rectangle
(
pad_x_min
,
pad_x_max
,
0
,
soic_btm_y
-
2
*
min_cut_thickness
,
0
);
board
.
save
(
"node_board_traces.png"
);
board
.
save
(
"node_board_traces.png"
);
...
...
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