I finished designing the PCB. Sneak preview in the attachment. (Pink color is copper fill areas.)
I will first actually make the board and test it. Then brag about it.
After that I will publish the final version for anyone interested.
(Still waiting for the new power supply for the RGB laser.)
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int grad = 0;
float rad = 0;
float pi = 3.14;
int blanking = 46; //laser blanking pin
int valx = 2040; // set x to center
int valy = 2040; // set y to center
int valxc = 0; // set x to center
int valyc = 0; // set y to center
int midx = 2040; // master center for x
int midy = 2040; // master center for y
int k = 0; // position in imdata aray
int step = 1; // rotation speed
int zoom = 3; // size of image
int points = 31; // number of points in the image
int imgdata [250] =
{
0, -600, 0,
1, -600, 0,
0, -600, 0,
0, -500, 0,
1, -500, 0,
1, -400, 0,
0, -300, 0,
1, -300, 0,
0, -300, 0,
0, -200, 0,
1, -200, 0,
1, -100, 0,
0, -100, 0,
0, 0, 0,
1, 0, 0,
0, 0, 0,
0, 100, 0,
1, 100, 0,
1, 200, 0,
0, 200, 0,
0, 300, 0,
1, 300, 0,
0, 300, 0,
0, 400, 0,
1, 400, 0,
1, 500, 0,
0, 500, 0,
0, 600, 0,
1, 600, 0,
0, 600, 0,
};
void setup()
{
pinMode(blanking, OUTPUT);
pinMode(DAC0, OUTPUT);
pinMode(DAC1, OUTPUT);
analogWriteResolution(12);
} // end void setup
void loop()
{
for (int grad = 0; grad < 360; grad=grad+step)
{
float rad = 2*pi * (grad/360.0);
for (k = 0; k < points*3; k++)
{
if (imgdata[k] == 0) // laser ON/OFF
{
digitalWrite(blanking, LOW); //turn off laser
}
else
{
digitalWrite(blanking, HIGH); //turn laser on
}
k = k + 1; //inc counter to index to x coord
valx = imgdata[k]; //pick up the x-coordinate from the image data array
valxc = imgdata[k]; //make a copy for the rotation calculation
k = k + 1; //inc counter to index to Y coord
valy = imgdata[k]; //pick up the y-coordinate from the image data array
valyc = imgdata[k]; //make a copy for the rotation calculation
valx = valxc * cos(rad) - valyc * sin(rad);
valy = valxc * sin(rad) + valyc * cos(rad);
//output x & y co-ord
analogWrite(DAC1, valx * zoom + midx);
analogWrite(DAC0, valy * zoom + midy);
delay(1);
//delayMicroseconds(750); // pauses for 10 microseconds
}
}
} // end void loop
//(x,y)---->(x*Cos(°)-y*Sin(°), x*Sin(°)+y*Cos(°)
int grad = 0;
float rad = 0;
float pi = 3.14;
int lred = 50; // blanking pin red
int lgreen = 46; // blanking pin green
int lblue = 42; // blanking pin blue
int valx = 2040; // set x to center
int valy = 2040; // set y to center
int valxc = 0; // copy of valx for the rotation formula
int valyc = 0; // copy of valy for the rotation formula
int midx = 2040; // master center for x
int midy = 2040; // master center for y
int k = 0; // position in imdata aray
int step = 1; // rotation speed
int zoom = 3; // size of image
int points = 24; // number of points in the image
// image data
int imgdata [250] =
{
0, 200, 200,
1, 200, 200,
1, 400, 200,
1, 400, 400,
1, 200, 400,
1, 200, 200,
0, -400, 200,
2, -400, 200,
2, -200, 200,
2, -200, 400,
2, -400, 400,
2, -400, 200,
0, -400, -400,
3, -400, -400,
3, -200, -400,
3, -200, -200,
3, -400, -200,
3, -400, -400,
0, 200, -400,
4, 200, -400,
4, 400, -400,
4, 400, -200,
4, 200, -200,
4, 200, -400,
};
void setup()
{
pinMode(lred, OUTPUT);
pinMode(lgreen, OUTPUT);
pinMode(lblue, OUTPUT);
pinMode(DAC0, OUTPUT);
pinMode(DAC1, OUTPUT);
analogWriteResolution(12);
digitalWrite(lred, LOW); //turn off laser
digitalWrite(lgreen, LOW); //turn off laser
digitalWrite(lblue, LOW); //turn off laser
} // end void setup
void loop()
{
for (int grad = 0; grad < 360; grad=grad+step)
{
float rad = 2*pi * (grad/360.0);
for (k = 0; k < points*3; k++)
{
switch (imgdata[k])
{
case 0:
black();
break;
case 1:
red();
break;
case 2:
green();
break;
case 3:
blue();
break;
case 4:
white();
break;
case 5:
turq();
break;
case 6:
yellow();
break;
case 7:
lila();
break;
default:
black(); // just to be safe
}
k = k + 1; //inc counter to index to x coord
valx = imgdata[k]; //pick up the x-coordinate from the image data array
valxc = imgdata[k]; //make a copy for the rotation calculation
k = k + 1; //inc counter to index to Y coord
valy = imgdata[k]; //pick up the y-coordinate from the image data array
valyc = imgdata[k]; //make a copy for the rotation calculation
valx = valxc * cos(rad) - valyc * sin(rad);
valy = valxc * sin(rad) + valyc * cos(rad);
//output x & y co-ord
analogWrite(DAC1, valx * zoom + midx);
analogWrite(DAC0, valy * zoom + midy);
delay(1); // pauses for xx miliseconds
//delayMicroseconds(800); // pauses for xx microseconds
}
}
} // end void loop
//(x,y)---->(x*Cos(°)-y*Sin(°), x*Sin(°)+y*Cos(°)
void black() // color 0
{
digitalWrite(lred, LOW);
digitalWrite(lgreen, LOW);
digitalWrite(lblue, LOW);
}
void red() // color 1
{
digitalWrite(lred, HIGH);
digitalWrite(lgreen, LOW);
digitalWrite(lblue, LOW);
}
void green() // color 2
{
digitalWrite(lred, LOW);
digitalWrite(lgreen, HIGH);
digitalWrite(lblue, LOW);
}
void blue() // color 3
{
digitalWrite(lred, LOW);
digitalWrite(lgreen, LOW);
digitalWrite(lblue, HIGH);
}
void white() // color 4
{
digitalWrite(lred, HIGH);
digitalWrite(lgreen, HIGH);
digitalWrite(lblue, HIGH);
}
void turq() // color 5
{
digitalWrite(lred, LOW);
digitalWrite(lgreen, HIGH);
digitalWrite(lblue, HIGH);
}
void yellow() // color 6
{
digitalWrite(lred, HIGH);
digitalWrite(lgreen, HIGH);
digitalWrite(lblue, LOW);
}
void lila() // color 7
{
digitalWrite(lred, HIGH);
digitalWrite(lgreen, LOW);
digitalWrite(lblue, HIGH);
}