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https://github.com/brmlab/ledbar.git
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80 lines
1.8 KiB
Text
80 lines
1.8 KiB
Text
#include "Tlc5940.h"
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#define CH 3
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#define TLCCH(tlc_num, ch_num) ((tlc_num)*16 + (ch_num))
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int cpin[][CH] = {
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{TLCCH(0, 2), TLCCH(0, 1), TLCCH(0, 0)},
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{TLCCH(0, 5), TLCCH(0, 4), TLCCH(0, 3)},
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{TLCCH(0, 8), TLCCH(0, 7), TLCCH(0, 6)},
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{TLCCH(0, 12), TLCCH(0, 11),TLCCH(0, 10)},
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{TLCCH(0, 15),TLCCH(0, 14),TLCCH(0, 13)},
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{TLCCH(1, 2), TLCCH(1, 1), TLCCH(1, 0)},
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{TLCCH(1, 5), TLCCH(1, 4), TLCCH(1, 3)},
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{TLCCH(1, 8), TLCCH(1, 7), TLCCH(1, 6)},
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{TLCCH(1, 12), TLCCH(1, 11), TLCCH(1, 10)},
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{TLCCH(1, 15), TLCCH(1, 14), TLCCH(1, 13)},
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};
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#define cpinsets (sizeof(cpin)/sizeof(cpin[0]))
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/* cca 2.7ohm resistor per channel */
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int cmax[cpinsets][CH] = {
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{ 1600, 4000, 2200 },
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{ 1600, 4000, 2200 },
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{ 1600, 4000, 2200 },
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{ 1600, 3900, 2000 },
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{ 1600, 3700, 3000 },
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{ 1600, 4000, 2200 },
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{ 1600, 4000, 2200 },
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{ 1600, 3400, 3000 },
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{ 1600, 4000, 2200 },
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{ 1600, 3400, 3000 },
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};
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int c[cpinsets][CH];
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int wait = 10;
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void setup()
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{
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Serial.begin(38400);
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/* Call Tlc.init() to setup the tlc.
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You can optionally pass an initial PWM value (0 - 4095) for all channels.*/
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Tlc.init();
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int i = 0, led = 0;
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for (led = 0; led < cpinsets; led++)
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for (i = 0; i < CH; i++)
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c[led][i] = cmax[led][i];
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}
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/* One iteration of constant brightest white (useful for tuning constants for particular LEDs). */
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void white(int led)
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{
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int i;
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int mask = 1|2|4; // R, G, B
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for (i = 0; i < CH; i++) {
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c[led][i] = mask & (1 << i) ? cmax[led][i] : 0;
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}
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}
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void loop()
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{
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Tlc.clear();
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int led, i;
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for (led = 0; led < cpinsets; led++) {
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for (i = 0; i < CH; i++) {
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while (!Serial.available());
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unsigned long s = (unsigned char) Serial.read();
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// Serial.print(s, DEC);
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// Serial.print(" ");
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Tlc.set(cpin[led][i], s * cmax[led][i] / 256);
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}
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}
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// Serial.println();
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Tlc.update();
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}
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