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Sketch for computer-controlled ledbar

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Petr Baudis 2011-09-20 20:50:21 +02:00
parent 9ad5213863
commit 1bba88fe52
1 changed files with 80 additions and 0 deletions
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arduino/controlled.pde Normal file
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#include "Tlc5940.h"
#define CH 3
#define TLCCH(tlc_num, ch_num) ((tlc_num)*16 + (ch_num))
int cpin[][CH] = {
{TLCCH(0, 2), TLCCH(0, 1), TLCCH(0, 0)},
{TLCCH(0, 5), TLCCH(0, 4), TLCCH(0, 3)},
{TLCCH(0, 8), TLCCH(0, 7), TLCCH(0, 6)},
{TLCCH(0, 12), TLCCH(0, 11),TLCCH(0, 10)},
{TLCCH(0, 15),TLCCH(0, 14),TLCCH(0, 13)},
{TLCCH(1, 2), TLCCH(1, 1), TLCCH(1, 0)},
{TLCCH(1, 5), TLCCH(1, 4), TLCCH(1, 3)},
{TLCCH(1, 8), TLCCH(1, 7), TLCCH(1, 6)},
{TLCCH(1, 12), TLCCH(1, 11), TLCCH(1, 10)},
{TLCCH(1, 15), TLCCH(1, 14), TLCCH(1, 13)},
};
#define cpinsets (sizeof(cpin)/sizeof(cpin[0]))
/* cca 2.7ohm resistor per channel */
int cmax[cpinsets][CH] = {
{ 1600, 4000, 2200 },
{ 1600, 4000, 2200 },
{ 1600, 4000, 2200 },
{ 1600, 3900, 2000 },
{ 1600, 3700, 3000 },
{ 1600, 4000, 2200 },
{ 1600, 4000, 2200 },
{ 1600, 3400, 3000 },
{ 1600, 4000, 2200 },
{ 1600, 3400, 3000 },
};
int c[cpinsets][CH];
int wait = 10;
void setup()
{
Serial.begin(38400);
/* Call Tlc.init() to setup the tlc.
You can optionally pass an initial PWM value (0 - 4095) for all channels.*/
Tlc.init();
int i = 0, led = 0;
for (led = 0; led < cpinsets; led++)
for (i = 0; i < CH; i++)
c[led][i] = cmax[led][i];
}
/* One iteration of constant brightest white (useful for tuning constants for particular LEDs). */
void white(int led)
{
int i;
int mask = 1|2|4; // R, G, B
for (i = 0; i < CH; i++) {
c[led][i] = mask & (1 << i) ? cmax[led][i] : 0;
}
}
void loop()
{
Tlc.clear();
int led, i;
for (led = 0; led < cpinsets; led++) {
for (i = 0; i < CH; i++) {
while (!Serial.available());
unsigned long s = (unsigned char) Serial.read();
// Serial.print(s, DEC);
// Serial.print(" ");
Tlc.set(cpin[led][i], s * cmax[led][i] / 256);
}
}
// Serial.println();
Tlc.update();
}