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esp8266-nanoleaf-webserver/esp8266-fastled-webserver.ino
Felix Epp 31e2dd3cea Fix writing of solid color tp EEPROM 
A typo wrote the red value to green and blue as well, which resulted in
some level of white.
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2016-07-19 01:52:44 +02:00

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/*
* ESP8266 + FastLED + IR Remote + MSGEQ7: https://github.com/jasoncoon/esp8266-fastled-webserver
* Copyright (C) 2015 Jason Coon
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "FastLED.h"
FASTLED_USING_NAMESPACE
extern "C" {
#include "user_interface.h"
}
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <FS.h>
#include <EEPROM.h>
#include <IRremoteESP8266.h>
#include "GradientPalettes.h"
#define RECV_PIN 12
IRrecv irReceiver(RECV_PIN);
#include "Commands.h"
const bool apMode = false;
// AP mode password
const char WiFiAPPSK[] = "";
// Wi-Fi network to connect to (if not in AP mode)
const char* ssid = "";
const char* password = "";
ESP8266WebServer server(80);
#define DATA_PIN 13 // for Huzzah: Pins w/o special function: #4, #5, #12, #13, #14; // #16 does not work :(
#define LED_TYPE WS2812
#define COLOR_ORDER GRB
#define NUM_LEDS 24
#define MILLI_AMPS 2000 // IMPORTANT: set here the max milli-Amps of your power supply 5V 2A = 2000
#define FRAMES_PER_SECOND 120 // here you can control the speed. With the Access Point / Web Server the animations run a bit slower.
CRGB leds[NUM_LEDS];
uint8_t patternIndex = 0;
const uint8_t brightnessCount = 5;
uint8_t brightnessMap[brightnessCount] = { 16, 32, 64, 128, 255 };
int brightnessIndex = 0;
uint8_t brightness = brightnessMap[brightnessIndex];
#define ARRAY_SIZE(A) (sizeof(A) / sizeof((A)[0]))
// ten seconds per color palette makes a good demo
// 20-120 is better for deployment
#define SECONDS_PER_PALETTE 10
///////////////////////////////////////////////////////////////////////
// Forward declarations of an array of cpt-city gradient palettes, and
// a count of how many there are. The actual color palette definitions
// are at the bottom of this file.
extern const TProgmemRGBGradientPalettePtr gGradientPalettes[];
extern const uint8_t gGradientPaletteCount;
// Current palette number from the 'playlist' of color palettes
uint8_t gCurrentPaletteNumber = 0;
CRGBPalette16 gCurrentPalette( CRGB::Black);
CRGBPalette16 gTargetPalette( gGradientPalettes[0] );
uint8_t currentPatternIndex = 0; // Index number of which pattern is current
bool autoplayEnabled = false;
uint8_t autoPlayDurationSeconds = 10;
unsigned int autoPlayTimeout = 0;
uint8_t gHue = 0; // rotating "base color" used by many of the patterns
CRGB solidColor = CRGB::Blue;
uint8_t power = 1;
void setup(void) {
Serial.begin(115200);
delay(100);
Serial.setDebugOutput(true);
FastLED.addLeds<LED_TYPE, DATA_PIN, COLOR_ORDER>(leds, NUM_LEDS); // for WS2812 (Neopixel)
//FastLED.addLeds<LED_TYPE,DATA_PIN,CLK_PIN,COLOR_ORDER>(leds, NUM_LEDS); // for APA102 (Dotstar)
FastLED.setCorrection(TypicalLEDStrip);
FastLED.setBrightness(brightness);
FastLED.setMaxPowerInVoltsAndMilliamps(5, MILLI_AMPS);
fill_solid(leds, NUM_LEDS, solidColor);
FastLED.show();
EEPROM.begin(512);
loadSettings();
irReceiver.enableIRIn(); // Start the receiver
Serial.println();
Serial.print( F("Heap: ") ); Serial.println(system_get_free_heap_size());
Serial.print( F("Boot Vers: ") ); Serial.println(system_get_boot_version());
Serial.print( F("CPU: ") ); Serial.println(system_get_cpu_freq());
Serial.print( F("SDK: ") ); Serial.println(system_get_sdk_version());
Serial.print( F("Chip ID: ") ); Serial.println(system_get_chip_id());
Serial.print( F("Flash ID: ") ); Serial.println(spi_flash_get_id());
Serial.print( F("Flash Size: ") ); Serial.println(ESP.getFlashChipRealSize());
Serial.print( F("Vcc: ") ); Serial.println(ESP.getVcc());
Serial.println();
SPIFFS.begin();
{
Dir dir = SPIFFS.openDir("/");
while (dir.next()) {
String fileName = dir.fileName();
size_t fileSize = dir.fileSize();
Serial.printf("FS File: %s, size: %s\n", fileName.c_str(), String(fileSize).c_str());
}
Serial.printf("\n");
}
if (apMode)
{
WiFi.mode(WIFI_AP);
// Do a little work to get a unique-ish name. Append the
// last two bytes of the MAC (HEX'd) to "Thing-":
uint8_t mac[WL_MAC_ADDR_LENGTH];
WiFi.softAPmacAddress(mac);
String macID = String(mac[WL_MAC_ADDR_LENGTH - 2], HEX) +
String(mac[WL_MAC_ADDR_LENGTH - 1], HEX);
macID.toUpperCase();
String AP_NameString = "ESP8266 Thing " + macID;
char AP_NameChar[AP_NameString.length() + 1];
memset(AP_NameChar, 0, AP_NameString.length() + 1);
for (int i = 0; i < AP_NameString.length(); i++)
AP_NameChar[i] = AP_NameString.charAt(i);
WiFi.softAP(AP_NameChar, WiFiAPPSK);
Serial.printf("Connect to Wi-Fi access point: %s\n", AP_NameChar);
Serial.println("and open http://192.168.4.1 in your browser");
}
else
{
Serial.printf("Connecting to %s\n", ssid);
if (String(WiFi.SSID()) != String(ssid)) {
WiFi.begin(ssid, password);
}
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.print("Connected! Open http://");
Serial.print(WiFi.localIP());
Serial.println(" in your browser");
}
// server.serveStatic("/", SPIFFS, "/index.htm"); // ,"max-age=86400"
server.on("/all", HTTP_GET, []() {
sendAll();
});
server.on("/power", HTTP_GET, []() {
sendPower();
});
server.on("/power", HTTP_POST, []() {
String value = server.arg("value");
setPower(value.toInt());
sendPower();
});
server.on("/solidColor", HTTP_GET, []() {
sendSolidColor();
});
server.on("/solidColor", HTTP_POST, []() {
String r = server.arg("r");
String g = server.arg("g");
String b = server.arg("b");
setSolidColor(r.toInt(), g.toInt(), b.toInt());
sendSolidColor();
});
server.on("/pattern", HTTP_GET, []() {
sendPattern();
});
server.on("/pattern", HTTP_POST, []() {
String value = server.arg("value");
setPattern(value.toInt());
sendPattern();
});
server.on("/patternUp", HTTP_POST, []() {
adjustPattern(true);
sendPattern();
});
server.on("/patternDown", HTTP_POST, []() {
adjustPattern(false);
sendPattern();
});
server.on("/brightness", HTTP_GET, []() {
sendBrightness();
});
server.on("/brightness", HTTP_POST, []() {
String value = server.arg("value");
setBrightness(value.toInt());
sendBrightness();
});
server.on("/brightnessUp", HTTP_POST, []() {
adjustBrightness(true);
sendBrightness();
});
server.on("/brightnessDown", HTTP_POST, []() {
adjustBrightness(false);
sendBrightness();
});
server.serveStatic("/index.htm", SPIFFS, "/index.htm");
server.serveStatic("/fonts", SPIFFS, "/fonts", "max-age=86400");
server.serveStatic("/js", SPIFFS, "/js");
server.serveStatic("/css", SPIFFS, "/css", "max-age=86400");
server.serveStatic("/images", SPIFFS, "/images", "max-age=86400");
server.serveStatic("/", SPIFFS, "/index.htm");
server.begin();
Serial.println("HTTP server started");
autoPlayTimeout = millis() + (autoPlayDurationSeconds * 1000);
}
typedef void (*Pattern)();
typedef Pattern PatternList[];
typedef struct {
Pattern pattern;
String name;
} PatternAndName;
typedef PatternAndName PatternAndNameList[];
// List of patterns to cycle through. Each is defined as a separate function below.
PatternAndNameList patterns = {
{ colorwaves, "Color Waves" },
{ palettetest, "Palette Test" },
{ pride, "Pride" },
{ rainbow, "Rainbow" },
{ rainbowWithGlitter, "Rainbow With Glitter" },
{ confetti, "Confetti" },
{ sinelon, "Sinelon" },
{ juggle, "Juggle" },
{ bpm, "BPM" },
{ showSolidColor, "Solid Color" },
};
const uint8_t patternCount = ARRAY_SIZE(patterns);
void loop(void) {
// Add entropy to random number generator; we use a lot of it.
random16_add_entropy(random(65535));
server.handleClient();
handleIrInput();
if (power == 0) {
fill_solid(leds, NUM_LEDS, CRGB::Black);
FastLED.show();
FastLED.delay(15);
return;
}
// EVERY_N_SECONDS(10) {
// Serial.print( F("Heap: ") ); Serial.println(system_get_free_heap_size());
// }
EVERY_N_MILLISECONDS( 20 ) {
gHue++; // slowly cycle the "base color" through the rainbow
}
// change to a new cpt-city gradient palette
EVERY_N_SECONDS( SECONDS_PER_PALETTE ) {
gCurrentPaletteNumber = addmod8( gCurrentPaletteNumber, 1, gGradientPaletteCount);
gTargetPalette = gGradientPalettes[ gCurrentPaletteNumber ];
}
// slowly blend the current cpt-city gradient palette to the next
EVERY_N_MILLISECONDS(40) {
nblendPaletteTowardPalette( gCurrentPalette, gTargetPalette, 16);
}
if (autoplayEnabled && millis() > autoPlayTimeout) {
adjustPattern(true);
autoPlayTimeout = millis() + (autoPlayDurationSeconds * 1000);
}
// Call the current pattern function once, updating the 'leds' array
patterns[currentPatternIndex].pattern();
FastLED.show();
// insert a delay to keep the framerate modest
FastLED.delay(1000 / FRAMES_PER_SECOND);
}
void handleIrInput()
{
InputCommand command = readCommand(defaultHoldDelay);
if (command != InputCommand::None) {
Serial.print("command: ");
Serial.println((int) command);
}
switch (command) {
case InputCommand::Up: {
adjustPattern(true);
break;
}
case InputCommand::Down: {
adjustPattern(false);
break;
}
case InputCommand::Power: {
power = power == 0 ? 1 : 0;
break;
}
case InputCommand::BrightnessUp: {
adjustBrightness(true);
break;
}
case InputCommand::BrightnessDown: {
adjustBrightness(false);
break;
}
case InputCommand::PlayMode: { // toggle pause/play
autoplayEnabled = !autoplayEnabled;
break;
}
// pattern buttons
case InputCommand::Pattern1: {
setPattern(0);
break;
}
case InputCommand::Pattern2: {
setPattern(1);
break;
}
case InputCommand::Pattern3: {
setPattern(2);
break;
}
case InputCommand::Pattern4: {
setPattern(3);
break;
}
case InputCommand::Pattern5: {
setPattern(4);
break;
}
case InputCommand::Pattern6: {
setPattern(5);
break;
}
case InputCommand::Pattern7: {
setPattern(6);
break;
}
case InputCommand::Pattern8: {
setPattern(7);
break;
}
case InputCommand::Pattern9: {
setPattern(8);
break;
}
case InputCommand::Pattern10: {
setPattern(9);
break;
}
case InputCommand::Pattern11: {
setPattern(10);
break;
}
case InputCommand::Pattern12: {
setPattern(11);
break;
}
// custom color adjustment buttons
case InputCommand::RedUp: {
solidColor.red += 8;
setSolidColor(solidColor);
break;
}
case InputCommand::RedDown: {
solidColor.red -= 8;
setSolidColor(solidColor);
break;
}
case InputCommand::GreenUp: {
solidColor.green += 8;
setSolidColor(solidColor);
break;
}
case InputCommand::GreenDown: {
solidColor.green -= 8;
setSolidColor(solidColor);
break;
}
case InputCommand::BlueUp: {
solidColor.blue += 8;
setSolidColor(solidColor);
break;
}
case InputCommand::BlueDown: {
solidColor.blue -= 8;
setSolidColor(solidColor);
break;
}
// color buttons
case InputCommand::Red: {
setSolidColor(CRGB::Red);
break;
}
case InputCommand::RedOrange: {
setSolidColor(CRGB::OrangeRed);
break;
}
case InputCommand::Orange: {
setSolidColor(CRGB::Orange);
break;
}
case InputCommand::YellowOrange: {
setSolidColor(CRGB::Goldenrod);
break;
}
case InputCommand::Yellow: {
setSolidColor(CRGB::Yellow);
break;
}
case InputCommand::Green: {
setSolidColor(CRGB::Green);
break;
}
case InputCommand::Lime: {
setSolidColor(CRGB::Lime);
break;
}
case InputCommand::Aqua: {
setSolidColor(CRGB::Aqua);
break;
}
case InputCommand::Teal: {
setSolidColor(CRGB::Teal);
break;
}
case InputCommand::Navy: {
setSolidColor(CRGB::Navy);
break;
}
case InputCommand::Blue: {
setSolidColor(CRGB::Blue);
break;
}
case InputCommand::RoyalBlue: {
setSolidColor(CRGB::RoyalBlue);
break;
}
case InputCommand::Purple: {
setSolidColor(CRGB::Purple);
break;
}
case InputCommand::Indigo: {
setSolidColor(CRGB::Indigo);
break;
}
case InputCommand::Magenta: {
setSolidColor(CRGB::Magenta);
break;
}
case InputCommand::White: {
setSolidColor(CRGB::White);
break;
}
case InputCommand::Pink: {
setSolidColor(CRGB::Pink);
break;
}
case InputCommand::LightPink: {
setSolidColor(CRGB::LightPink);
break;
}
case InputCommand::BabyBlue: {
setSolidColor(CRGB::CornflowerBlue);
break;
}
case InputCommand::LightBlue: {
setSolidColor(CRGB::LightBlue);
break;
}
}
}
void loadSettings()
{
brightness = EEPROM.read(0);
currentPatternIndex = EEPROM.read(1);
if (currentPatternIndex < 0)
currentPatternIndex = 0;
else if (currentPatternIndex >= patternCount)
currentPatternIndex = patternCount - 1;
byte r = EEPROM.read(2);
byte g = EEPROM.read(3);
byte b = EEPROM.read(4);
if (r == 0 && g == 0 && b == 0)
{
}
else
{
solidColor = CRGB(r, g, b);
}
}
void sendAll()
{
String json = "{";
json += "\"power\":" + String(power) + ",";
json += "\"brightness\":" + String(brightness) + ",";
json += "\"currentPattern\":{";
json += "\"index\":" + String(currentPatternIndex);
json += ",\"name\":\"" + patterns[currentPatternIndex].name + "\"}";
json += ",\"solidColor\":{";
json += "\"r\":" + String(solidColor.r);
json += ",\"g\":" + String(solidColor.g);
json += ",\"b\":" + String(solidColor.b);
json += "}";
json += ",\"patterns\":[";
for (uint8_t i = 0; i < patternCount; i++)
{
json += "\"" + patterns[i].name + "\"";
if (i < patternCount - 1)
json += ",";
}
json += "]";
json += "}";
server.send(200, "text/json", json);
json = String();
}
void sendPower()
{
String json = String(power);
server.send(200, "text/json", json);
json = String();
}
void sendPattern()
{
String json = "{";
json += "\"index\":" + String(currentPatternIndex);
json += ",\"name\":\"" + patterns[currentPatternIndex].name + "\"";
json += "}";
server.send(200, "text/json", json);
json = String();
}
void sendBrightness()
{
String json = String(brightness);
server.send(200, "text/json", json);
json = String();
}
void sendSolidColor()
{
String json = "{";
json += "\"r\":" + String(solidColor.r);
json += ",\"g\":" + String(solidColor.g);
json += ",\"b\":" + String(solidColor.b);
json += "}";
server.send(200, "text/json", json);
json = String();
}
void setPower(uint8_t value)
{
power = value == 0 ? 0 : 1;
}
void setSolidColor(CRGB color)
{
setSolidColor(color.r, color.g, color.b);
}
void setSolidColor(uint8_t r, uint8_t g, uint8_t b)
{
solidColor = CRGB(r, g, b);
EEPROM.write(2, r);
EEPROM.write(3, g);
EEPROM.write(4, b);
setPattern(patternCount - 1);
}
// increase or decrease the current pattern number, and wrap around at the ends
void adjustPattern(bool up)
{
if (up)
currentPatternIndex++;
else
currentPatternIndex--;
// wrap around at the ends
if (currentPatternIndex < 0)
currentPatternIndex = patternCount - 1;
if (currentPatternIndex >= patternCount)
currentPatternIndex = 0;
EEPROM.write(1, currentPatternIndex);
EEPROM.commit();
}
void setPattern(int value)
{
// don't wrap around at the ends
if (value < 0)
value = 0;
else if (value >= patternCount)
value = patternCount - 1;
currentPatternIndex = value;
EEPROM.write(1, currentPatternIndex);
EEPROM.commit();
}
// adjust the brightness, and wrap around at the ends
void adjustBrightness(bool up)
{
if (up)
brightnessIndex++;
else
brightnessIndex--;
// wrap around at the ends
if (brightnessIndex < 0)
brightnessIndex = brightnessCount - 1;
else if (brightnessIndex >= brightnessCount)
brightnessIndex = 0;
brightness = brightnessMap[brightnessIndex];
FastLED.setBrightness(brightness);
EEPROM.write(0, brightness);
EEPROM.commit();
}
void setBrightness(int value)
{
// don't wrap around at the ends
if (value > 255)
value = 255;
else if (value < 0) value = 0;
brightness = value;
FastLED.setBrightness(brightness);
EEPROM.write(0, brightness);
EEPROM.commit();
}
void showSolidColor()
{
fill_solid(leds, NUM_LEDS, solidColor);
}
void rainbow()
{
// FastLED's built-in rainbow generator
fill_rainbow( leds, NUM_LEDS, gHue, 10);
}
void rainbowWithGlitter()
{
// built-in FastLED rainbow, plus some random sparkly glitter
rainbow();
addGlitter(80);
}
void addGlitter( fract8 chanceOfGlitter)
{
if ( random8() < chanceOfGlitter) {
leds[ random16(NUM_LEDS) ] += CRGB::White;
}
}
void confetti()
{
// random colored speckles that blink in and fade smoothly
fadeToBlackBy( leds, NUM_LEDS, 10);
int pos = random16(NUM_LEDS);
leds[pos] += CHSV( gHue + random8(64), 200, 255);
}
void sinelon()
{
// a colored dot sweeping back and forth, with fading trails
fadeToBlackBy( leds, NUM_LEDS, 20);
int pos = beatsin16(13, 0, NUM_LEDS - 1);
leds[pos] += CHSV( gHue, 255, 192);
}
void bpm()
{
// colored stripes pulsing at a defined Beats-Per-Minute (BPM)
uint8_t BeatsPerMinute = 62;
CRGBPalette16 palette = PartyColors_p;
uint8_t beat = beatsin8( BeatsPerMinute, 64, 255);
for ( int i = 0; i < NUM_LEDS; i++) { //9948
leds[i] = ColorFromPalette(palette, gHue + (i * 2), beat - gHue + (i * 10));
}
}
void juggle()
{
// eight colored dots, weaving in and out of sync with each other
fadeToBlackBy( leds, NUM_LEDS, 20);
byte dothue = 0;
for ( int i = 0; i < 8; i++)
{
leds[beatsin16(i + 7, 0, NUM_LEDS)] |= CHSV(dothue, 200, 255);
dothue += 32;
}
}
// Pride2015 by Mark Kriegsman: https://gist.github.com/kriegsman/964de772d64c502760e5
// This function draws rainbows with an ever-changing,
// widely-varying set of parameters.
void pride() {
static uint16_t sPseudotime = 0;
static uint16_t sLastMillis = 0;
static uint16_t sHue16 = 0;
uint8_t sat8 = beatsin88( 87, 220, 250);
uint8_t brightdepth = beatsin88( 341, 96, 224);
uint16_t brightnessthetainc16 = beatsin88( 203, (25 * 256), (40 * 256));
uint8_t msmultiplier = beatsin88(147, 23, 60);
uint16_t hue16 = sHue16;//gHue * 256;
uint16_t hueinc16 = beatsin88(113, 1, 3000);
uint16_t ms = millis();
uint16_t deltams = ms - sLastMillis ;
sLastMillis = ms;
sPseudotime += deltams * msmultiplier;
sHue16 += deltams * beatsin88( 400, 5, 9);
uint16_t brightnesstheta16 = sPseudotime;
for ( uint16_t i = 0 ; i < NUM_LEDS; i++) {
hue16 += hueinc16;
uint8_t hue8 = hue16 / 256;
brightnesstheta16 += brightnessthetainc16;
uint16_t b16 = sin16( brightnesstheta16 ) + 32768;
uint16_t bri16 = (uint32_t)((uint32_t)b16 * (uint32_t)b16) / 65536;
uint8_t bri8 = (uint32_t)(((uint32_t)bri16) * brightdepth) / 65536;
bri8 += (255 - brightdepth);
CRGB newcolor = CHSV( hue8, sat8, bri8);
nblend(leds[i], newcolor, 64);
}
}
// ColorWavesWithPalettes by Mark Kriegsman: https://gist.github.com/kriegsman/8281905786e8b2632aeb
// This function draws color waves with an ever-changing,
// widely-varying set of parameters, using a color palette.
void colorwaves()
{
static uint16_t sPseudotime = 0;
static uint16_t sLastMillis = 0;
static uint16_t sHue16 = 0;
// uint8_t sat8 = beatsin88( 87, 220, 250);
uint8_t brightdepth = beatsin88( 341, 96, 224);
uint16_t brightnessthetainc16 = beatsin88( 203, (25 * 256), (40 * 256));
uint8_t msmultiplier = beatsin88(147, 23, 60);
uint16_t hue16 = sHue16;//gHue * 256;
uint16_t hueinc16 = beatsin88(113, 300, 1500);
uint16_t ms = millis();
uint16_t deltams = ms - sLastMillis ;
sLastMillis = ms;
sPseudotime += deltams * msmultiplier;
sHue16 += deltams * beatsin88( 400, 5, 9);
uint16_t brightnesstheta16 = sPseudotime;
for ( uint16_t i = 0 ; i < NUM_LEDS; i++) {
hue16 += hueinc16;
uint8_t hue8 = hue16 / 256;
uint16_t h16_128 = hue16 >> 7;
if ( h16_128 & 0x100) {
hue8 = 255 - (h16_128 >> 1);
} else {
hue8 = h16_128 >> 1;
}
brightnesstheta16 += brightnessthetainc16;
uint16_t b16 = sin16( brightnesstheta16 ) + 32768;
uint16_t bri16 = (uint32_t)((uint32_t)b16 * (uint32_t)b16) / 65536;
uint8_t bri8 = (uint32_t)(((uint32_t)bri16) * brightdepth) / 65536;
bri8 += (255 - brightdepth);
uint8_t index = hue8;
//index = triwave8( index);
index = scale8( index, 240);
CRGB newcolor = ColorFromPalette(gCurrentPalette, index, bri8);
nblend(leds[i], newcolor, 128);
}
}
// Alternate rendering function just scrolls the current palette
// across the defined LED strip.
void palettetest()
{
static uint8_t startindex = 0;
startindex--;
fill_palette( leds, NUM_LEDS, startindex, (256 / NUM_LEDS) + 1, gCurrentPalette, 255, LINEARBLEND);
}
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