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Changed _modes[] to a static array. Tweaked RUNNING_COLOR effect. (#232)
* made _modes[] a static array * fixed typo * fixed the modes being out of order * updated documentation * changed RUNNING_COLOR mode to use color[1] instead of WHITE for the background color * updated change log Co-authored-by: Keith Lord <[email protected]>
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examples/ws2812fx_virtual_strip/ws2812fx_virtual_strip.ino
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| /* | ||
| Demo sketch which shows how to configure WS2812FX such that two physical | ||
| stips of LEDs, driven by two separate GPIO pins, get their pixel data | ||
| from one virtual strip. One effect can be spread across two strips. | ||
| LICENSE | ||
| The MIT License (MIT) | ||
| Copyright (c) 2020 Keith Lord | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sub-license, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in | ||
| all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| THE SOFTWARE. | ||
| CHANGELOG | ||
| 2020-05-29 initial version | ||
| */ | ||
|
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| #include <WS2812FX.h> | ||
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| #define LED_PIN_V1 10 // virtual digital pin used to drive the virtual LED strip | ||
| #define LED_PIN_P1 10 // physical digital pin used to drive the first physical LED strip | ||
| #define LED_PIN_P2 11 // physical digital pin used to drive the second physical LED strip | ||
| #define LED_COUNT_P1 30 // number of LEDs on the first physical strip | ||
| #define LED_COUNT_P2 30 // number of LEDs on the second physical strip | ||
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| // create an instance of one virtual strip and two physical strips. | ||
| // the physical strips are only initialized with a count of one LED, since | ||
| // these strips will ultimately use the pixel data of the virtual strip. | ||
| // (Note the instances are created with support of only one segment and one | ||
| // segment_runtime, just so the sketch fits in an Arduino's limited SRAM.) | ||
| WS2812FX ws2812fx_v1 = WS2812FX(LED_COUNT_P1 + LED_COUNT_P2, LED_PIN_V1, NEO_GRB + NEO_KHZ800, 1, 1); | ||
| WS2812FX ws2812fx_p1 = WS2812FX(1, LED_PIN_P1, NEO_GRB + NEO_KHZ800, 1, 1); | ||
| WS2812FX ws2812fx_p2 = WS2812FX(1, LED_PIN_P2, NEO_GRB + NEO_KHZ800, 1, 1); | ||
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| void setup() { | ||
| // initialize the virtual strip as you would any normal ws2812fx instance | ||
| ws2812fx_v1.init(); | ||
| ws2812fx_v1.setBrightness(255); | ||
| ws2812fx_v1.setSegment(0, 0, ws2812fx_v1.getLength()-1, FX_MODE_COMET, RED, 2000, NO_OPTIONS); | ||
| ws2812fx_v1.start(); | ||
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| // init the physical strip's GPIOs and reassign their pixel data | ||
| // pointer to use the virtual strip's pixel data. | ||
| ws2812fx_p1.init(); | ||
| ws2812fx_p1.setPixels(LED_COUNT_P1, ws2812fx_v1.getPixels()); | ||
| ws2812fx_p2.init(); | ||
| ws2812fx_p2.setPixels(LED_COUNT_P2, ws2812fx_v1.getPixels() + (LED_COUNT_P1 * ws2812fx_v1.getNumBytesPerPixel())); | ||
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| // config a custom show() function for the virtual strip, so pixel | ||
| // data gets sent to the physical strips's LEDs instead | ||
| ws2812fx_v1.setCustomShow(myCustomShow); | ||
| } | ||
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| void loop() { | ||
| // update the virtual strip's pixel data by calling service() as you normally would | ||
| ws2812fx_v1.service(); | ||
| } | ||
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| // update the physical strips's LEDs | ||
| void myCustomShow(void) { | ||
| ws2812fx_p1.show(); | ||
| ws2812fx_p2.show(); | ||
| } |
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