Angepasstes Adafruit_Neomatrix, mit zusätzlichem Scrolltext als Effekt analog zu NeoPatterns
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starcalc
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/*-------------------------------------------------------------------------
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Arduino library to control single and tiled matrices of WS2811- and
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WS2812-based RGB LED devices such as the Adafruit NeoPixel Shield or
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displays assembled from NeoPixel strips, making them compatible with
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the Adafruit_GFX graphics library. Requires both the Adafruit_NeoPixel
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and Adafruit_GFX libraries.
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Written by Phil Burgess / Paint Your Dragon for Adafruit Industries.
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Adafruit invests time and resources providing this open source code,
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please support Adafruit and open-source hardware by purchasing products
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from Adafruit!
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-------------------------------------------------------------------------
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This file is part of the Adafruit NeoMatrix library.
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NeoMatrix is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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NeoMatrix is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with NeoMatrix. If not, see
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<http://www.gnu.org/licenses/>.
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-------------------------------------------------------------------------*/
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#include <Adafruit_NeoPixel.h>
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#include "Adafruit_NeoMatrix.h"
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#include "gamma.h"
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#ifdef __AVR__
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#include <avr/pgmspace.h>
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#elif defined(ESP8266)
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#include <pgmspace.h>
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#else
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#ifndef pgm_read_byte
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#define pgm_read_byte(addr) (*(const unsigned char *)(addr))
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#endif
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#endif
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#ifndef _swap_uint16_t
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#define _swap_uint16_t(a, b) { uint16_t t = a; a = b; b = t; }
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#endif
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// Constructor for single matrix:
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Adafruit_NeoMatrix::Adafruit_NeoMatrix(int w, int h, uint8_t pin,
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uint8_t matrixType, neoPixelType ledType) : Adafruit_GFX(w, h),
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Adafruit_NeoPixel(w * h, pin, ledType), type(matrixType), matrixWidth(w),
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matrixHeight(h), tilesX(0), tilesY(0), remapFn(NULL) { }
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// Constructor for tiled matrices:
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Adafruit_NeoMatrix::Adafruit_NeoMatrix(uint8_t mW, uint8_t mH, uint8_t tX,
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uint8_t tY, uint8_t pin, uint8_t matrixType, neoPixelType ledType) :
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Adafruit_GFX(mW * tX, mH * tY), Adafruit_NeoPixel(mW * mH * tX * tY, pin,
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ledType), type(matrixType), matrixWidth(mW), matrixHeight(mH), tilesX(tX),
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tilesY(tY), remapFn(NULL) { }
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// Expand 16-bit input color (Adafruit_GFX colorspace) to 24-bit (NeoPixel)
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// (w/gamma adjustment)
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static uint32_t expandColor(uint16_t color) {
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return ((uint32_t)pgm_read_byte(&gamma5[ color >> 11 ]) << 16) |
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((uint32_t)pgm_read_byte(&gamma6[(color >> 5) & 0x3F]) << 8) |
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pgm_read_byte(&gamma5[ color & 0x1F]);
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}
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// Downgrade 24-bit color to 16-bit (add reverse gamma lookup here?)
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uint16_t Adafruit_NeoMatrix::Color(uint8_t r, uint8_t g, uint8_t b) {
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return ((uint16_t)(r & 0xF8) << 8) |
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((uint16_t)(g & 0xFC) << 3) |
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(b >> 3);
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}
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// Pass-through is a kludge that lets you override the current drawing
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// color with a 'raw' RGB (or RGBW) value that's issued directly to
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// pixel(s), side-stepping the 16-bit color limitation of Adafruit_GFX.
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// This is not without some limitations of its own -- for example, it
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// won't work in conjunction with the background color feature when
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// drawing text or bitmaps (you'll just get a solid rect of color),
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// only 'transparent' text/bitmaps. Also, no gamma correction.
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// Remember to UNSET the passthrough color immediately when done with
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// it (call with no value)!
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// Pass raw color value to set/enable passthrough
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void Adafruit_NeoMatrix::setPassThruColor(uint32_t c) {
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passThruColor = c;
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passThruFlag = true;
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}
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// Call without a value to reset (disable passthrough)
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void Adafruit_NeoMatrix::setPassThruColor(void) {
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passThruFlag = false;
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}
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void Adafruit_NeoMatrix::drawPixel(int16_t x, int16_t y, uint16_t color) {
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if ((x < 0) || (y < 0) || (x >= _width) || (y >= _height)) return;
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int16_t t;
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switch (rotation) {
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case 1:
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t = x;
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x = WIDTH - 1 - y;
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y = t;
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break;
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case 2:
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x = WIDTH - 1 - x;
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y = HEIGHT - 1 - y;
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break;
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case 3:
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t = x;
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x = y;
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y = HEIGHT - 1 - t;
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break;
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}
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int tileOffset = 0, pixelOffset;
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if (remapFn) { // Custom X/Y remapping function
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pixelOffset = (*remapFn)(x, y);
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} else { // Standard single matrix or tiled matrices
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uint8_t corner = type & NEO_MATRIX_CORNER;
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uint16_t minor, major, majorScale;
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if (tilesX) { // Tiled display, multiple matrices
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uint16_t tile;
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minor = x / matrixWidth; // Tile # X/Y; presume row major to
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major = y / matrixHeight, // start (will swap later if needed)
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x = x - (minor * matrixWidth); // Pixel X/Y within tile
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y = y - (major * matrixHeight); // (-* is less math than modulo)
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// Determine corner of entry, flip axes if needed
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if (type & NEO_TILE_RIGHT) minor = tilesX - 1 - minor;
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if (type & NEO_TILE_BOTTOM) major = tilesY - 1 - major;
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// Determine actual major axis of tiling
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if ((type & NEO_TILE_AXIS) == NEO_TILE_ROWS) {
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majorScale = tilesX;
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} else {
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_swap_uint16_t(major, minor);
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majorScale = tilesY;
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}
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// Determine tile number
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if ((type & NEO_TILE_SEQUENCE) == NEO_TILE_PROGRESSIVE) {
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// All tiles in same order
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tile = major * majorScale + minor;
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} else {
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// Zigzag; alternate rows change direction. On these rows,
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// this also flips the starting corner of the matrix for the
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// pixel math later.
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if (major & 1) {
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corner ^= NEO_MATRIX_CORNER;
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tile = (major + 1) * majorScale - 1 - minor;
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} else {
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tile = major * majorScale + minor;
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}
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}
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// Index of first pixel in tile
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tileOffset = tile * matrixWidth * matrixHeight;
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} // else no tiling (handle as single tile)
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// Find pixel number within tile
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minor = x; // Presume row major to start (will swap later if needed)
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major = y;
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// Determine corner of entry, flip axes if needed
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if (corner & NEO_MATRIX_RIGHT) minor = matrixWidth - 1 - minor;
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if (corner & NEO_MATRIX_BOTTOM) major = matrixHeight - 1 - major;
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// Determine actual major axis of matrix
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if ((type & NEO_MATRIX_AXIS) == NEO_MATRIX_ROWS) {
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majorScale = matrixWidth;
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} else {
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_swap_uint16_t(major, minor);
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majorScale = matrixHeight;
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}
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// Determine pixel number within tile/matrix
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if ((type & NEO_MATRIX_SEQUENCE) == NEO_MATRIX_PROGRESSIVE) {
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// All lines in same order
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pixelOffset = major * majorScale + minor;
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} else {
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// Zigzag; alternate rows change direction.
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if (major & 1) pixelOffset = (major + 1) * majorScale - 1 - minor;
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else pixelOffset = major * majorScale + minor;
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}
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}
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setPixelColor(tileOffset + pixelOffset,
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passThruFlag ? passThruColor : expandColor(color));
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}
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void Adafruit_NeoMatrix::fillScreen(uint16_t color) {
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uint16_t i, n;
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uint32_t c;
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c = passThruFlag ? passThruColor : expandColor(color);
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n = numPixels();
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for (i = 0; i < n; i++) setPixelColor(i, c);
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}
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void Adafruit_NeoMatrix::setRemapFunction(uint16_t (*fn)(uint16_t, uint16_t)) {
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remapFn = fn;
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}
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void Adafruit_NeoMatrix::Update() {
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if (active)
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{
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if ((millis() - lastUpdate) > Interval) // time to update
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{
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lastUpdate = millis();
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// Next Interval step for text scroll
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Serial.print(scrolltextpos);
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Serial.print(" - ");
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Serial.println((8 * scrolltext.length() + 10));
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scrolltextpos--;
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int16_t maxpos = 8 * scrolltext.length() + 10;
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if (scrolltextpos < -(maxpos)) {
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Serial.println();
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Serial.print(scrolltextpos);
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Serial.print(" is smaller than: ");
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Serial.println(-(maxpos));
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scrolltextpos = width();
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}
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fillScreen(0);
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setCursor(scrolltextpos, 0);
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print(scrolltext);
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show();
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} else {
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delay(1);
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}
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}
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}
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void Adafruit_NeoMatrix::ScrollText(String text, uint16_t interval, String color) {
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Serial.print("Scrolltext triggered: ");
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Serial.println(text);
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active = true;
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Interval = interval;
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scrolltext = text;
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scrolltextpos = width();
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fillScreen(0);
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setCursor(scrolltextpos, 0);
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print(scrolltext);
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if (--scrolltextpos < -(5 * scrolltext.length() + 10)) {
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scrolltextpos = width();
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}
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show();
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}
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void Adafruit_NeoMatrix::None() {
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active = false;
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}
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@ -0,0 +1,115 @@
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/*--------------------------------------------------------------------
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This file is part of the Adafruit NeoMatrix library.
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NeoMatrix is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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NeoMatrix is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with NeoMatrix. If not, see
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<http://www.gnu.org/licenses/>.
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--------------------------------------------------------------------*/
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#ifndef _ADAFRUIT_NEOMATRIX_H_
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#define _ADAFRUIT_NEOMATRIX_H_
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#if ARDUINO >= 100
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#include <Arduino.h>
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#else
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#include <WProgram.h>
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#include <pins_arduino.h>
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#endif
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#include <Adafruit_GFX.h>
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#include <Adafruit_NeoPixel.h>
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// Matrix layout information is passed in the 'matrixType' parameter for
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// each constructor (the parameter immediately following is the LED type
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// from NeoPixel.h).
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// These define the layout for a single 'unified' matrix (e.g. one made
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// from NeoPixel strips, or a single NeoPixel shield), or for the pixels
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// within each matrix of a tiled display (e.g. multiple NeoPixel shields).
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#define NEO_MATRIX_TOP 0x00 // Pixel 0 is at top of matrix
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#define NEO_MATRIX_BOTTOM 0x01 // Pixel 0 is at bottom of matrix
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#define NEO_MATRIX_LEFT 0x00 // Pixel 0 is at left of matrix
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#define NEO_MATRIX_RIGHT 0x02 // Pixel 0 is at right of matrix
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#define NEO_MATRIX_CORNER 0x03 // Bitmask for pixel 0 matrix corner
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#define NEO_MATRIX_ROWS 0x00 // Matrix is row major (horizontal)
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#define NEO_MATRIX_COLUMNS 0x04 // Matrix is column major (vertical)
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#define NEO_MATRIX_AXIS 0x04 // Bitmask for row/column layout
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#define NEO_MATRIX_PROGRESSIVE 0x00 // Same pixel order across each line
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#define NEO_MATRIX_ZIGZAG 0x08 // Pixel order reverses between lines
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#define NEO_MATRIX_SEQUENCE 0x08 // Bitmask for pixel line order
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// These apply only to tiled displays (multiple matrices):
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#define NEO_TILE_TOP 0x00 // First tile is at top of matrix
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#define NEO_TILE_BOTTOM 0x10 // First tile is at bottom of matrix
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#define NEO_TILE_LEFT 0x00 // First tile is at left of matrix
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#define NEO_TILE_RIGHT 0x20 // First tile is at right of matrix
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#define NEO_TILE_CORNER 0x30 // Bitmask for first tile corner
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#define NEO_TILE_ROWS 0x00 // Tiles ordered in rows
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#define NEO_TILE_COLUMNS 0x40 // Tiles ordered in columns
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#define NEO_TILE_AXIS 0x40 // Bitmask for tile H/V orientation
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#define NEO_TILE_PROGRESSIVE 0x00 // Same tile order across each line
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#define NEO_TILE_ZIGZAG 0x80 // Tile order reverses between lines
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#define NEO_TILE_SEQUENCE 0x80 // Bitmask for tile line order
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class Adafruit_NeoMatrix : public Adafruit_GFX, public Adafruit_NeoPixel {
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public:
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// Constructor for single matrix:
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Adafruit_NeoMatrix(int w, int h, uint8_t pin = 6,
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uint8_t matrixType = NEO_MATRIX_TOP + NEO_MATRIX_LEFT + NEO_MATRIX_ROWS,
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neoPixelType ledType = NEO_GRB + NEO_KHZ800);
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// Constructor for tiled matrices:
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Adafruit_NeoMatrix(uint8_t matrixW, uint8_t matrixH, uint8_t tX,
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uint8_t tY, uint8_t pin = 6,
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uint8_t matrixType = NEO_MATRIX_TOP + NEO_MATRIX_LEFT + NEO_MATRIX_ROWS +
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NEO_TILE_TOP + NEO_TILE_LEFT + NEO_TILE_ROWS,
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neoPixelType ledType = NEO_GRB + NEO_KHZ800);
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void
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drawPixel(int16_t x, int16_t y, uint16_t color),
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fillScreen(uint16_t color),
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setPassThruColor(uint32_t c),
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setPassThruColor(void),
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setRemapFunction(uint16_t (*fn)(uint16_t, uint16_t)),
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Update(),
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None(),
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ScrollText(String text, uint16_t Interval = 60, String color);
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static uint16_t
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Color(uint8_t r, uint8_t g, uint8_t b);
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boolean active = false;
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private:
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const uint8_t
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type;
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const uint8_t
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matrixWidth, matrixHeight, tilesX, tilesY;
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uint16_t
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(*remapFn)(uint16_t x, uint16_t y);
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uint32_t passThruColor;
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boolean passThruFlag = false;
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String scrolltext;
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int16_t scrolltextpos;
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uint16_t Interval; // milliseconds between updates
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uint16_t lastUpdate; // last update of position
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};
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#endif // _ADAFRUIT_NEOMATRIX_H_
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#ifndef _GAMMA_H_
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#define _GAMMA_H_
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#ifdef __AVR
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#include <avr/pgmspace.h>
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#elif defined(ESP8266)
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#include <pgmspace.h>
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#else
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#ifndef PROGMEM
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#define PROGMEM
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#endif
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#endif
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static const uint8_t PROGMEM
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gamma5[] = {
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0x00,0x01,0x02,0x03,0x05,0x07,0x09,0x0b,
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0x0e,0x11,0x14,0x18,0x1d,0x22,0x28,0x2e,
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0x36,0x3d,0x46,0x4f,0x59,0x64,0x6f,0x7c,
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0x89,0x97,0xa6,0xb6,0xc7,0xd9,0xeb,0xff },
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gamma6[] = {
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0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x08,
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0x09,0x0a,0x0b,0x0d,0x0e,0x10,0x12,0x13,
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0x15,0x17,0x19,0x1b,0x1d,0x20,0x22,0x25,
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0x27,0x2a,0x2d,0x30,0x33,0x37,0x3a,0x3e,
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0x41,0x45,0x49,0x4d,0x52,0x56,0x5b,0x5f,
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0x64,0x69,0x6e,0x74,0x79,0x7f,0x85,0x8b,
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0x91,0x97,0x9d,0xa4,0xab,0xb2,0xb9,0xc0,
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0xc7,0xcf,0xd6,0xde,0xe6,0xee,0xf7,0xff };
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#endif // _GAMMA_H_
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