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Diffstat (limited to 'examples/2_PatternPlasma')
| -rw-r--r-- | examples/2_PatternPlasma/2_PatternPlasma.ino | 207 | ||||
| -rw-r--r-- | examples/2_PatternPlasma/PatternWave.jpg | bin | 0 -> 34981 bytes | |||
| -rw-r--r-- | examples/2_PatternPlasma/README.md | 5 |
3 files changed, 212 insertions, 0 deletions
diff --git a/examples/2_PatternPlasma/2_PatternPlasma.ino b/examples/2_PatternPlasma/2_PatternPlasma.ino new file mode 100644 index 0000000..b7bc791 --- /dev/null +++ b/examples/2_PatternPlasma/2_PatternPlasma.ino @@ -0,0 +1,207 @@ +/* + * Portions of this code are adapted from Aurora: https://github.com/pixelmatix/aurora + * Copyright (c) 2014 Jason Coon + * + * Portions of this code are adapted from LedEffects Plasma by Robert Atkins: https://bitbucket.org/ratkins/ledeffects/src/26ed3c51912af6fac5f1304629c7b4ab7ac8ca4b/Plasma.cpp?at=default + * Copyright (c) 2013 Robert Atkins + * + * 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, sublicense, 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. + */ + + +// HUB75E pinout +// R1 | G1 +// B1 | GND +// R2 | G2 +// B2 | E +// A | B +// C | D +// CLK| LAT +// OE | GND + +/* Default library pin configuration for the reference + you can redefine only ones you need later on object creation + +#define R1 25 +#define G1 26 +#define BL1 27 +#define R2 14 +#define G2 12 +#define BL2 13 +#define CH_A 23 +#define CH_B 19 +#define CH_C 5 +#define CH_D 17 +#define CH_E -1 // assign to any available pin if using two panels or 64x64 panels with 1/32 scan +#define CLK 16 +#define LAT 4 +#define OE 15 + +*/ + + +#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h> +#include <FastLED.h> + +// Configure for your panel(s) as appropriate! +#define PANEL_WIDTH 64 +#define PANEL_HEIGHT 64 // Panel height of 64 will required PIN_E to be defined. +#define PANELS_NUMBER 2 // Number of chained panels, if just a single panel, obviously set to 1 +#define PIN_E 32 + +#define PANE_WIDTH PANEL_WIDTH * PANELS_NUMBER +#define PANE_HEIGHT PANEL_HEIGHT + + +// placeholder for the matrix object +MatrixPanel_I2S_DMA *dma_display = nullptr; + + +uint16_t time_counter = 0, cycles = 0, fps = 0; +unsigned long fps_timer; + +CRGB currentColor; +CRGBPalette16 palettes[] = {HeatColors_p, LavaColors_p, RainbowColors_p, RainbowStripeColors_p, CloudColors_p}; +CRGBPalette16 currentPalette = palettes[0]; + + +CRGB ColorFromCurrentPalette(uint8_t index = 0, uint8_t brightness = 255, TBlendType blendType = LINEARBLEND) { + return ColorFromPalette(currentPalette, index, brightness, blendType); +} + +void setup() { + + Serial.begin(115200); + + Serial.println(F("*****************************************************")); + Serial.println(F("* ESP32-HUB75-MatrixPanel-I2S-DMA DEMO *")); + Serial.println(F("*****************************************************")); + + /* + The configuration for MatrixPanel_I2S_DMA object is held in HUB75_I2S_CFG structure, + pls refer to the lib header file for full details. + All options has it's predefined default values. So we can create a new structure and redefine only the options we need + + // those are the defaults + mxconfig.mx_width = 64; // physical width of a single matrix panel module (in pixels, usually it is always 64 ;) ) + mxconfig.mx_height = 32; // physical height of a single matrix panel module (in pixels, usually amost always it is either 32 or 64) + mxconfig.chain_length = 1; // number of chained panels regardless of the topology, default 1 - a single matrix module + mxconfig.gpio.r1 = R1; // pin mappings + mxconfig.gpio.g1 = G1; + mxconfig.gpio.b1 = B1; // etc + mxconfig.driver = HUB75_I2S_CFG::SHIFT; // shift reg driver, default is plain shift register + mxconfig.double_buff = false; // use double buffer (twice amount of RAM required) + mxconfig.i2sspeed = HUB75_I2S_CFG::HZ_10M;// I2S clock speed, better leave as-is unless you want to experiment + */ + + /* + For example we have two 64x64 panels chained, so we need to customize our setup like this + + */ + HUB75_I2S_CFG mxconfig; + mxconfig.mx_height = PANEL_HEIGHT; // we have 64 pix heigh panels + mxconfig.chain_length = PANELS_NUMBER; // we have 2 panels chained + mxconfig.gpio.e = PIN_E; // we MUST assign pin e to some free pin on a board to drive 64 pix height panels with 1/32 scan + //mxconfig.driver = HUB75_I2S_CFG::FM6126A; // in case that we use panels based on FM6126A chip, we can change that + + /* + //Another way of creating config structure + //Custom pin mapping for all pins + HUB75_I2S_CFG::i2s_pins _pins={R1, G1, BL1, R2, G2, BL2, CH_A, CH_B, CH_C, CH_D, CH_E, LAT, OE, CLK}; + HUB75_I2S_CFG mxconfig( + 64, // width + 64, // height + 4, // chain length + _pins, // pin mapping + HUB75_I2S_CFG::FM6126A // driver chip + ); + + */ + + + // OK, now we can create our matrix object + dma_display = new MatrixPanel_I2S_DMA(mxconfig); + + // let's adjust default brightness to about 75% + dma_display->setBrightness8(96); // range is 0-255, 0 - 0%, 255 - 100% + + // Allocate memory and start DMA display + if( not dma_display->begin() ) + Serial.println("****** !KABOOM! I2S memory allocation failed ***********"); + + // well, hope we are OK, let's draw some colors first :) + Serial.println("Fill screen: RED"); + dma_display->fillScreenRGB888(255, 0, 0); + delay(1000); + + Serial.println("Fill screen: GREEN"); + dma_display->fillScreenRGB888(0, 255, 0); + delay(1000); + + Serial.println("Fill screen: BLUE"); + dma_display->fillScreenRGB888(0, 0, 255); + delay(1000); + + Serial.println("Fill screen: Neutral White"); + dma_display->fillScreenRGB888(64, 64, 64); + delay(1000); + + Serial.println("Fill screen: black"); + dma_display->fillScreenRGB888(0, 0, 0); + delay(1000); + + + // Set current FastLED palette + currentPalette = RainbowColors_p; + Serial.println("Starting plasma effect..."); + fps_timer = millis(); +} + +void loop() { + + for (int x = 0; x < PANE_WIDTH; x++) { + for (int y = 0; y < PANE_HEIGHT; y++) { + int16_t v = 0; + uint8_t wibble = sin8(time_counter); + v += sin16(x * wibble * 3 + time_counter); + v += cos16(y * (128 - wibble) + time_counter); + v += sin16(y * x * cos8(-time_counter) / 8); + + currentColor = ColorFromPalette(currentPalette, (v >> 8) + 127); //, brightness, currentBlendType); + dma_display->drawPixelRGB888(x, y, currentColor.r, currentColor.g, currentColor.b); + } + } + + ++time_counter; + ++cycles; + ++fps; + + if (cycles >= 1024) { + time_counter = 0; + cycles = 0; + currentPalette = palettes[random(0,sizeof(palettes)/sizeof(palettes[0]))]; + } + + // print FPS rate every 5 seconds + // Note: this is NOT a matrix refresh rate, it's the number of data frames being drawn to the DMA buffer per second + if (fps_timer + 5000 < millis()){ + Serial.printf_P(PSTR("Effect fps: %d\n"), fps/5); + fps_timer = millis(); + fps = 0; + } +} // end loop
\ No newline at end of file diff --git a/examples/2_PatternPlasma/PatternWave.jpg b/examples/2_PatternPlasma/PatternWave.jpg Binary files differnew file mode 100644 index 0000000..e6ce3c3 --- /dev/null +++ b/examples/2_PatternPlasma/PatternWave.jpg diff --git a/examples/2_PatternPlasma/README.md b/examples/2_PatternPlasma/README.md new file mode 100644 index 0000000..172a99f --- /dev/null +++ b/examples/2_PatternPlasma/README.md @@ -0,0 +1,5 @@ +# Wave Pattern + +Demo of the colours, and the little flicker. + + |
