WLED/usermods/rotary_encoder_change_brightness/usermode_rotary_set.h
2020-06-07 19:25:58 +02:00

212 lines
6.9 KiB
C++

#pragma once
#include "wled.h"
//v2 usermod that allows to change brightness and color using a rotary encoder,
//change between modes by pressing a button (many encoder have one included)
class RotaryEncoderSet : public Usermod
{
private:
//Private class members. You can declare variables and functions only accessible to your usermod here
unsigned long lastTime = 0;
/*
** Rotary Encoder Example
** Use the Sparkfun Rotary Encoder to vary brightness of LED
**
** Sample the encoder at 500Hz using the millis() function
*/
int fadeAmount = 5; // how many points to fade the Neopixel with each step
unsigned long currentTime;
unsigned long loopTime;
const int pinA = 5; // DT from encoder
const int pinB = 18; // CLK from encoder
const int pinC = 23; // SW from encoder
unsigned char select_state = 0; // 0 = brightness 1 = color
unsigned char button_state = HIGH;
unsigned char prev_button_state = HIGH;
CRGB fastled_col;
CHSV prim_hsv;
int16_t new_val;
unsigned char Enc_A;
unsigned char Enc_B;
unsigned char Enc_A_prev = 0;
public:
//Functions called by WLED
/*
* setup() is called once at boot. WiFi is not yet connected at this point.
* You can use it to initialize variables, sensors or similar.
*/
void setup()
{
//Serial.println("Hello from my usermod!");
pinMode(pinA, INPUT_PULLUP);
pinMode(pinB, INPUT_PULLUP);
pinMode(pinC, INPUT_PULLUP);
currentTime = millis();
loopTime = currentTime;
}
/*
* connected() is called every time the WiFi is (re)connected
* Use it to initialize network interfaces
*/
void connected()
{
//Serial.println("Connected to WiFi!");
}
/*
* loop() is called continuously. Here you can check for events, read sensors, etc.
*
* Tips:
* 1. You can use "if (WLED_CONNECTED)" to check for a successful network connection.
* Additionally, "if (WLED_MQTT_CONNECTED)" is available to check for a connection to an MQTT broker.
*
* 2. Try to avoid using the delay() function. NEVER use delays longer than 10 milliseconds.
* Instead, use a timer check as shown here.
*/
void loop()
{
currentTime = millis(); // get the current elapsed time
if (currentTime >= (loopTime + 2)) // 2ms since last check of encoder = 500Hz
{
button_state = digitalRead(pinC);
if (prev_button_state != button_state)
{
if (button_state == LOW)
{
if (select_state == 1)
{
select_state = 0;
}
else
{
select_state = 1;
}
prev_button_state = button_state;
}
else
{
prev_button_state = button_state;
}
}
int Enc_A = digitalRead(pinA); // Read encoder pins
int Enc_B = digitalRead(pinB);
if ((!Enc_A) && (Enc_A_prev))
{ // A has gone from high to low
if (Enc_B == HIGH)
{ // B is high so clockwise
if (select_state == 0)
{
if (bri + fadeAmount <= 255)
bri += fadeAmount; // increase the brightness, dont go over 255
}
else
{
fastled_col.red = col[0];
fastled_col.green = col[1];
fastled_col.blue = col[2];
prim_hsv = rgb2hsv_approximate(fastled_col);
new_val = (int16_t)prim_hsv.h + fadeAmount;
if (new_val > 255)
new_val -= 255; // roll-over if bigger than 255
if (new_val < 0)
new_val += 255; // roll-over if smaller than 0
prim_hsv.h = (byte)new_val;
hsv2rgb_rainbow(prim_hsv, fastled_col);
col[0] = fastled_col.red;
col[1] = fastled_col.green;
col[2] = fastled_col.blue;
}
}
else if (Enc_B == LOW)
{ // B is low so counter-clockwise
if (select_state == 0)
{
if (bri - fadeAmount >= 0)
bri -= fadeAmount; // decrease the brightness, dont go below 0
}
else
{
fastled_col.red = col[0];
fastled_col.green = col[1];
fastled_col.blue = col[2];
prim_hsv = rgb2hsv_approximate(fastled_col);
new_val = (int16_t)prim_hsv.h - fadeAmount;
if (new_val > 255)
new_val -= 255; // roll-over if bigger than 255
if (new_val < 0)
new_val += 255; // roll-over if smaller than 0
prim_hsv.h = (byte)new_val;
hsv2rgb_rainbow(prim_hsv, fastled_col);
col[0] = fastled_col.red;
col[1] = fastled_col.green;
col[2] = fastled_col.blue;
}
}
//call for notifier -> 0: init 1: direct change 2: button 3: notification 4: nightlight 5: other (No notification)
// 6: fx changed 7: hue 8: preset cycle 9: blynk 10: alexa
colorUpdated(NOTIFIER_CALL_MODE_BUTTON);
updateInterfaces()
}
Enc_A_prev = Enc_A; // Store value of A for next time
loopTime = currentTime; // Updates loopTime
}
}
/*
* addToJsonInfo() can be used to add custom entries to the /json/info part of the JSON API.
* Creating an "u" object allows you to add custom key/value pairs to the Info section of the WLED web UI.
* Below it is shown how this could be used for e.g. a light sensor
*/
/*
void addToJsonInfo(JsonObject& root)
{
int reading = 20;
//this code adds "u":{"Light":[20," lux"]} to the info object
JsonObject user = root["u"];
if (user.isNull()) user = root.createNestedObject("u");
JsonArray lightArr = user.createNestedArray("Light"); //name
lightArr.add(reading); //value
lightArr.add(" lux"); //unit
}
*/
/*
* addToJsonState() can be used to add custom entries to the /json/state part of the JSON API (state object).
* Values in the state object may be modified by connected clients
*/
void addToJsonState(JsonObject &root)
{
//root["user0"] = userVar0;
}
/*
* readFromJsonState() can be used to receive data clients send to the /json/state part of the JSON API (state object).
* Values in the state object may be modified by connected clients
*/
void readFromJsonState(JsonObject &root)
{
userVar0 = root["user0"] | userVar0; //if "user0" key exists in JSON, update, else keep old value
//if (root["bri"] == 255) Serial.println(F("Don't burn down your garage!"));
}
/*
* getId() allows you to optionally give your V2 usermod an unique ID (please define it in const.h!).
* This could be used in the future for the system to determine whether your usermod is installed.
*/
uint16_t getId()
{
return 0xABCD;
}
//More methods can be added in the future, this example will then be extended.
//Your usermod will remain compatible as it does not need to implement all methods from the Usermod base class!
};