WLED/usermods/Wemos_D1_mini+Wemos32_mini_shield/usermod.cpp
Blaz Kristan d78bef72ea Disable MQTT more.
Disable Alexa more.
2023-01-12 20:35:34 +01:00

205 lines
6.5 KiB
C++

#include "wled.h"
#include <Arduino.h>
#include <U8x8lib.h> // from https://github.com/olikraus/u8g2/
#include <OneWire.h> // Dallas temperature sensor
//Dallas sensor quick reading. Credit to - Author: Peter Scargill, August 17th, 2013
int16_t Dallas(int x, byte start)
{
OneWire DallasSensor(x);
byte i;
byte data[2];
int16_t result;
do
{
DallasSensor.reset();
DallasSensor.write(0xCC);
DallasSensor.write(0xBE);
for ( i = 0; i < 2; i++) data[i] = DallasSensor.read();
result=(data[1]<<8)|data[0];
result>>=4; if (data[1]&128) result|=61440;
if (data[0]&8) ++result;
DallasSensor.reset();
DallasSensor.write(0xCC);
DallasSensor.write(0x44,1);
if (start) delay(1000);
} while (start--);
return result;
}
#ifdef ARDUINO_ARCH_ESP32
uint8_t SCL_PIN = 22;
uint8_t SDA_PIN = 21;
uint8_t DALLAS_PIN =23;
#else
uint8_t SCL_PIN = 5;
uint8_t SDA_PIN = 4;
uint8_t DALLAS_PIN =13;
// uint8_t RST_PIN = 16; // Uncoment for Heltec WiFi-Kit-8
#endif
//The SCL and SDA pins are defined here.
//ESP8266 Wemos D1 mini board use SCL=5 SDA=4 while ESP32 Wemos32 mini board use SCL=22 SDA=21
#define U8X8_PIN_SCL SCL_PIN
#define U8X8_PIN_SDA SDA_PIN
//#define U8X8_PIN_RESET RST_PIN // Uncoment for Heltec WiFi-Kit-8
// Dallas sensor reading timer
long temptimer = millis();
long lastMeasure = 0;
#define Celsius // Show temperature mesaurement in Celcius otherwise is in Fahrenheit
// If display does not work or looks corrupted check the
// constructor reference:
// https://github.com/olikraus/u8g2/wiki/u8x8setupcpp
// or check the gallery:
// https://github.com/olikraus/u8g2/wiki/gallery
// --> First choise of cheap I2C OLED 128X32 0.91"
U8X8_SSD1306_128X32_UNIVISION_HW_I2C u8x8(U8X8_PIN_NONE, U8X8_PIN_SCL, U8X8_PIN_SDA); // Pins are Reset, SCL, SDA
// --> Second choise of cheap I2C OLED 128X64 0.96" or 1.3"
//U8X8_SSD1306_128X64_NONAME_HW_I2C u8x8(U8X8_PIN_NONE, U8X8_PIN_SCL, U8X8_PIN_SDA); // Pins are Reset, SCL, SDA
// --> Third choise of Heltec WiFi-Kit-8 OLED 128X32 0.91"
//U8X8_SSD1306_128X32_UNIVISION_HW_I2C u8x8(U8X8_PIN_RESET, U8X8_PIN_SCL, U8X8_PIN_SDA); // Constructor for Heltec WiFi-Kit-8
// gets called once at boot. Do all initialization that doesn't depend on network here
void userSetup() {
//Serial.begin(115200);
Dallas (DALLAS_PIN,1);
u8x8.begin();
u8x8.setPowerSave(0);
u8x8.setFlipMode(1);
u8x8.setContrast(10); //Contrast setup will help to preserve OLED lifetime. In case OLED need to be brighter increase number up to 255
u8x8.setFont(u8x8_font_chroma48medium8_r);
u8x8.drawString(0, 0, "Loading...");
}
// gets called every time WiFi is (re-)connected. Initialize own network
// interfaces here
void userConnected() {}
// needRedraw marks if redraw is required to prevent often redrawing.
bool needRedraw = true;
// Next variables hold the previous known values to determine if redraw is
// required.
String knownSsid = "";
IPAddress knownIp;
uint8_t knownBrightness = 0;
uint8_t knownMode = 0;
uint8_t knownPalette = 0;
long lastUpdate = 0;
long lastRedraw = 0;
bool displayTurnedOff = false;
// How often we are redrawing screen
#define USER_LOOP_REFRESH_RATE_MS 5000
void userLoop() {
//----> Dallas temperature sensor MQTT publishing
temptimer = millis();
// Timer to publishe new temperature every 60 seconds
if (temptimer - lastMeasure > 60000)
{
lastMeasure = temptimer;
#ifndef WLED_DISABLE_MQTT
//Check if MQTT Connected, otherwise it will crash the 8266
if (mqtt != nullptr)
{
// Serial.println(Dallas(DALLAS_PIN,0));
//Gets prefered temperature scale based on selection in definitions section
#ifdef Celsius
int16_t board_temperature = Dallas(DALLAS_PIN,0);
#else
int16_t board_temperature = (Dallas(DALLAS_PIN,0)* 1.8 + 32);
#endif
//Create character string populated with user defined device topic from the UI, and the read temperature. Then publish to MQTT server.
String t = String(mqttDeviceTopic);
t += "/temperature";
mqtt->publish(t.c_str(), 0, true, String(board_temperature).c_str());
}
#endif
}
// Check if we time interval for redrawing passes.
if (millis() - lastUpdate < USER_LOOP_REFRESH_RATE_MS) {
return;
}
lastUpdate = millis();
// Turn off display after 3 minutes with no change.
if(!displayTurnedOff && millis() - lastRedraw > 3*60*1000) {
u8x8.setPowerSave(1);
displayTurnedOff = true;
}
// Check if values which are shown on display changed from the last time.
if (((apActive) ? String(apSSID) : WiFi.SSID()) != knownSsid) {
needRedraw = true;
} else if (knownIp != (apActive ? IPAddress(4, 3, 2, 1) : WiFi.localIP())) {
needRedraw = true;
} else if (knownBrightness != bri) {
needRedraw = true;
} else if (knownMode != strip.getMainSegment().mode) {
needRedraw = true;
} else if (knownPalette != strip.getMainSegment().palette) {
needRedraw = true;
}
if (!needRedraw) {
return;
}
needRedraw = false;
if (displayTurnedOff)
{
u8x8.setPowerSave(0);
displayTurnedOff = false;
}
lastRedraw = millis();
// Update last known values.
#ifdef ARDUINO_ARCH_ESP32
knownSsid = WiFi.SSID();
#else
knownSsid = apActive ? WiFi.softAPSSID() : WiFi.SSID();
#endif
knownIp = apActive ? IPAddress(4, 3, 2, 1) : WiFi.localIP();
knownBrightness = bri;
knownMode = strip.getMainSegment().mode;
knownPalette = strip.getMainSegment().palette;
u8x8.clear();
u8x8.setFont(u8x8_font_chroma48medium8_r);
// First row with Wifi name
u8x8.setCursor(1, 0);
u8x8.print(knownSsid.substring(0, u8x8.getCols() > 1 ? u8x8.getCols() - 2 : 0));
// Print `~` char to indicate that SSID is longer, than owr dicplay
if (knownSsid.length() > u8x8.getCols())
u8x8.print("~");
// Second row with IP or Psssword
u8x8.setCursor(1, 1);
// Print password in AP mode and if led is OFF.
if (apActive && bri == 0)
u8x8.print(apPass);
else
u8x8.print(knownIp);
// Third row with mode name
u8x8.setCursor(2, 2);
char lineBuffer[17];
extractModeName(knownMode, JSON_mode_names, lineBuffer, 16);
u8x8.print(lineBuffer);
// Fourth row with palette name
u8x8.setCursor(2, 3);
extractModeName(knownPalette, JSON_palette_names, lineBuffer, 16);
u8x8.print(lineBuffer);
u8x8.setFont(u8x8_font_open_iconic_embedded_1x1);
u8x8.drawGlyph(0, 0, 80); // wifi icon
u8x8.drawGlyph(0, 1, 68); // home icon
u8x8.setFont(u8x8_font_open_iconic_weather_2x2);
u8x8.drawGlyph(0, 2, 66 + (bri > 0 ? 3 : 0)); // sun/moon icon
}