b460d0f533
* Remove -w (Suppress all warnings, including those which GNU CPP issues by default.) and add back in -Wall (Turn on all optional warnings which are desirable for normal code.) from build_flags
* Fixes warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
* Fixes warning: "CONFIG_LITTLEFS_FOR_IDF_3_2" redefined
* Fixes warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'uint64_t {aka long long unsigned int}' [-Wformat=]
* Fixes warning: enumeration value 'onoff' not handled in switch [-Wswitch]
* Fixes warning: "ntohl" redefined, warning: "ntohs" redefined, warning: "htonl" redefined, warning: "htons" redefined
- Original fix: 858f8f4ee9
* Fixes warning: unused variable 'mainSeg' [-Wunused-variable]
* Fixes warning: unused variable 'start' [-Wunused-variable]
* (untested!) Fixes warning: operation on '...' may be undefined [-Wsequence-point]
* Fixes warning: unused variable
* Fixes warning: unused variable and warning: narrowing conversion
* Fixes warning: unused variable
* Fixes warning: unused variable
* (untested!) Fixes warning: statement has no effect [-Wunused-value]
* Fixes warning: control reaches end of non-void function
* Fixes warning: unused variable
* Fixes warning: left operand of comma operator has no effect
* Fixes warning: no return statement in function returning non-void
* (untested!) Fixes warning: ISO C++ forbids converting a string constant to 'char*' and fixes warning: unused variable 'nPins'
* Fixes warning: deleting array 'dmxData'
* Fixes warning: unused variable
* Remove all warning suppression buildflags
Co-authored-by: Louis Beaudoin <louis@embedded-creations.com>
Co-authored-by: Aircoookie <dev.aircoookie@gmail.com>
601 lines
20 KiB
C++
601 lines
20 KiB
C++
#ifndef Espalexa_h
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#define Espalexa_h
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/*
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* Alexa Voice On/Off/Brightness/Color Control. Emulates a Philips Hue bridge to Alexa.
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*
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* This was put together from these two excellent projects:
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* https://github.com/kakopappa/arduino-esp8266-alexa-wemo-switch
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* https://github.com/probonopd/ESP8266HueEmulator
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*/
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/*
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* @title Espalexa library
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* @version 2.5.0
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* @author Christian Schwinne
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* @license MIT
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* @contributors d-999
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*/
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#include "Arduino.h"
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//you can use these defines for library config in your sketch. Just use them before #include <Espalexa.h>
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//#define ESPALEXA_ASYNC
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//in case this is unwanted in your application (will disable the /espalexa value page)
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//#define ESPALEXA_NO_SUBPAGE
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#ifndef ESPALEXA_MAXDEVICES
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#define ESPALEXA_MAXDEVICES 10 //this limit only has memory reasons, set it higher should you need to
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#endif
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//#define ESPALEXA_DEBUG
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#ifdef ESPALEXA_ASYNC
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#ifdef ARDUINO_ARCH_ESP32
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#include <AsyncTCP.h>
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#else
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#include <ESPAsyncTCP.h>
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#endif
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#include <ESPAsyncWebServer.h>
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#else
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#ifdef ARDUINO_ARCH_ESP32
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#include <WiFi.h>
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#include <WebServer.h> //if you get an error here please update to ESP32 arduino core 1.0.0
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#else
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#include <ESP8266WebServer.h>
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#include <ESP8266WiFi.h>
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#endif
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#endif
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#include <WiFiUdp.h>
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#include "../network/Network.h"
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#ifdef ESPALEXA_DEBUG
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#pragma message "Espalexa 2.5.0 debug mode"
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#define EA_DEBUG(x) Serial.print (x)
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#define EA_DEBUGLN(x) Serial.println (x)
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#else
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#define EA_DEBUG(x)
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#define EA_DEBUGLN(x)
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#endif
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#include "EspalexaDevice.h"
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#define DEVICE_UNIQUE_ID_LENGTH 12
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class Espalexa {
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private:
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//private member vars
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#ifdef ESPALEXA_ASYNC
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AsyncWebServer* serverAsync;
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AsyncWebServerRequest* server; //this saves many #defines
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String body = "";
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#elif defined ARDUINO_ARCH_ESP32
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WebServer* server;
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#else
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ESP8266WebServer* server;
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#endif
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uint8_t currentDeviceCount = 0;
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bool discoverable = true;
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EspalexaDevice* devices[ESPALEXA_MAXDEVICES] = {};
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//Keep in mind that Device IDs go from 1 to DEVICES, cpp arrays from 0 to DEVICES-1!!
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WiFiUDP espalexaUdp;
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IPAddress ipMulti;
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bool udpConnected = false;
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String escapedMac=""; //lowercase mac address
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//private member functions
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const char* modeString(EspalexaColorMode m)
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{
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if (m == EspalexaColorMode::xy) return "xy";
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if (m == EspalexaColorMode::hs) return "hs";
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return "ct";
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}
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const char* typeString(EspalexaDeviceType t)
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{
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switch (t)
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{
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case EspalexaDeviceType::dimmable: return PSTR("Dimmable light");
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case EspalexaDeviceType::whitespectrum: return PSTR("Color temperature light");
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case EspalexaDeviceType::color: return PSTR("Color light");
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case EspalexaDeviceType::extendedcolor: return PSTR("Extended color light");
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default: return "";
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}
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}
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const char* modelidString(EspalexaDeviceType t)
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{
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switch (t)
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{
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case EspalexaDeviceType::dimmable: return "LWB010";
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case EspalexaDeviceType::whitespectrum: return "LWT010";
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case EspalexaDeviceType::color: return "LST001";
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case EspalexaDeviceType::extendedcolor: return "LCT015";
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default: return "";
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}
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}
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void encodeLightId(uint8_t idx, char* out)
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{
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//Unique id must be 12 character len
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//use the last 10 characters of the MAC followed by the device id in hex value
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//uniqueId: aabbccddeeii
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uint8_t mac[6];
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WiFi.macAddress(mac);
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//shift the mac address to the left (discard first byte)
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for (uint8_t i = 0; i < 5; i++) {
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mac[i] = mac[i+1];
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}
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mac[5] = idx;
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for (uint8_t i = 0; i < 6; i++) {
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sprintf(out + i*2, "%.2x", mac[i]);
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}
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}
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//device JSON string: color+temperature device emulates LCT015, dimmable device LWB010, (TODO: on/off Plug 01, color temperature device LWT010, color device LST001)
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void deviceJsonString(uint8_t deviceId, char* buf)
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{
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deviceId--;
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if (deviceId >= currentDeviceCount) {strcpy(buf,"{}"); return;} //error
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EspalexaDevice* dev = devices[deviceId];
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char buf_lightid[13];
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encodeLightId(deviceId + 1, buf_lightid);
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char buf_col[80] = "";
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//color support
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if (static_cast<uint8_t>(dev->getType()) > 2)
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//TODO: %f is not working for some reason on ESP8266 in v0.11.0 (was fine in 0.10.2). Need to investigate
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//sprintf_P(buf_col,PSTR(",\"hue\":%u,\"sat\":%u,\"effect\":\"none\",\"xy\":[%f,%f]")
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// ,dev->getHue(), dev->getSat(), dev->getX(), dev->getY());
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sprintf_P(buf_col,PSTR(",\"hue\":%u,\"sat\":%u,\"effect\":\"none\",\"xy\":[%s,%s]"),dev->getHue(), dev->getSat(),
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((String)dev->getX()).c_str(), ((String)dev->getY()).c_str());
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char buf_ct[16] = "";
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//white spectrum support
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if (static_cast<uint8_t>(dev->getType()) > 1 && dev->getType() != EspalexaDeviceType::color)
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sprintf(buf_ct, ",\"ct\":%u", dev->getCt());
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char buf_cm[20] = "";
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if (static_cast<uint8_t>(dev->getType()) > 1)
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sprintf(buf_cm,PSTR("\",\"colormode\":\"%s"), modeString(dev->getColorMode()));
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sprintf_P(buf, PSTR("{\"state\":{\"on\":%s,\"bri\":%u%s%s,\"alert\":\"none%s\",\"mode\":\"homeautomation\",\"reachable\":true},"
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"\"type\":\"%s\",\"name\":\"%s\",\"modelid\":\"%s\",\"manufacturername\":\"Philips\",\"productname\":\"E%u"
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"\",\"uniqueid\":\"%s\",\"swversion\":\"espalexa-2.5.0\"}")
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, (dev->getValue())?"true":"false", dev->getLastValue()-1, buf_col, buf_ct, buf_cm, typeString(dev->getType()),
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dev->getName().c_str(), modelidString(dev->getType()), static_cast<uint8_t>(dev->getType()), buf_lightid);
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}
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//Espalexa status page /espalexa
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#ifndef ESPALEXA_NO_SUBPAGE
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void servePage()
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{
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EA_DEBUGLN("HTTP Req espalexa ...\n");
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String res = "Hello from Espalexa!\r\n\r\n";
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for (int i=0; i<currentDeviceCount; i++)
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{
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EspalexaDevice* dev = devices[i];
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res += "Value of device " + String(i+1) + " (" + dev->getName() + "): " + String(dev->getValue()) + " (" + typeString(dev->getType());
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if (static_cast<uint8_t>(dev->getType()) > 1) //color support
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{
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res += ", colormode=" + String(modeString(dev->getColorMode())) + ", r=" + String(dev->getR()) + ", g=" + String(dev->getG()) + ", b=" + String(dev->getB());
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res +=", ct=" + String(dev->getCt()) + ", hue=" + String(dev->getHue()) + ", sat=" + String(dev->getSat()) + ", x=" + String(dev->getX()) + ", y=" + String(dev->getY());
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}
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res += ")\r\n";
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}
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res += "\r\nFree Heap: " + (String)ESP.getFreeHeap();
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res += "\r\nUptime: " + (String)millis();
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res += "\r\n\r\nEspalexa library v2.5.0 by Christian Schwinne 2020";
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server->send(200, "text/plain", res);
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}
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#endif
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//not found URI (only if internal webserver is used)
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void serveNotFound()
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{
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EA_DEBUGLN("Not-Found HTTP call:");
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#ifndef ESPALEXA_ASYNC
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EA_DEBUGLN("URI: " + server->uri());
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EA_DEBUGLN("Body: " + server->arg(0));
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if(!handleAlexaApiCall(server->uri(), server->arg(0)))
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#else
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EA_DEBUGLN("URI: " + server->url());
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EA_DEBUGLN("Body: " + body);
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if(!handleAlexaApiCall(server))
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#endif
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server->send(404, "text/plain", "Not Found (espalexa)");
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}
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//send description.xml device property page
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void serveDescription()
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{
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EA_DEBUGLN("# Responding to description.xml ... #\n");
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IPAddress localIP = Network.localIP();
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char s[16];
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sprintf(s, "%d.%d.%d.%d", localIP[0], localIP[1], localIP[2], localIP[3]);
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char buf[1024];
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sprintf_P(buf,PSTR("<?xml version=\"1.0\" ?>"
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"<root xmlns=\"urn:schemas-upnp-org:device-1-0\">"
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"<specVersion><major>1</major><minor>0</minor></specVersion>"
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"<URLBase>http://%s:80/</URLBase>"
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"<device>"
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"<deviceType>urn:schemas-upnp-org:device:Basic:1</deviceType>"
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"<friendlyName>Espalexa (%s:80)</friendlyName>"
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"<manufacturer>Royal Philips Electronics</manufacturer>"
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"<manufacturerURL>http://www.philips.com</manufacturerURL>"
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"<modelDescription>Philips hue Personal Wireless Lighting</modelDescription>"
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"<modelName>Philips hue bridge 2012</modelName>"
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"<modelNumber>929000226503</modelNumber>"
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"<modelURL>http://www.meethue.com</modelURL>"
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"<serialNumber>%s</serialNumber>"
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"<UDN>uuid:2f402f80-da50-11e1-9b23-%s</UDN>"
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"<presentationURL>index.html</presentationURL>"
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"</device>"
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"</root>"),s,s,escapedMac.c_str(),escapedMac.c_str());
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server->send(200, "text/xml", buf);
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EA_DEBUGLN("Send setup.xml");
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EA_DEBUGLN(buf);
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}
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//init the server
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void startHttpServer()
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{
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#ifdef ESPALEXA_ASYNC
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if (serverAsync == nullptr) {
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serverAsync = new AsyncWebServer(80);
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serverAsync->onNotFound([=](AsyncWebServerRequest *request){server = request; serveNotFound();});
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}
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serverAsync->onRequestBody([=](AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total){
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char b[len +1];
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b[len] = 0;
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memcpy(b, data, len);
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body = b; //save the body so we can use it for the API call
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EA_DEBUG("Received body: ");
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EA_DEBUGLN(body);
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});
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#ifndef ESPALEXA_NO_SUBPAGE
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serverAsync->on("/espalexa", HTTP_GET, [=](AsyncWebServerRequest *request){server = request; servePage();});
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#endif
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serverAsync->on("/description.xml", HTTP_GET, [=](AsyncWebServerRequest *request){server = request; serveDescription();});
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serverAsync->begin();
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#else
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if (server == nullptr) {
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#ifdef ARDUINO_ARCH_ESP32
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server = new WebServer(80);
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#else
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server = new ESP8266WebServer(80);
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#endif
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server->onNotFound([=](){serveNotFound();});
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}
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#ifndef ESPALEXA_NO_SUBPAGE
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server->on("/espalexa", HTTP_GET, [=](){servePage();});
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#endif
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server->on("/description.xml", HTTP_GET, [=](){serveDescription();});
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server->begin();
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#endif
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}
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//respond to UDP SSDP M-SEARCH
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void respondToSearch()
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{
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IPAddress localIP = Network.localIP();
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char s[16];
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sprintf(s, "%d.%d.%d.%d", localIP[0], localIP[1], localIP[2], localIP[3]);
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char buf[1024];
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sprintf_P(buf,PSTR("HTTP/1.1 200 OK\r\n"
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"EXT:\r\n"
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"CACHE-CONTROL: max-age=100\r\n" // SSDP_INTERVAL
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"LOCATION: http://%s:80/description.xml\r\n"
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"SERVER: FreeRTOS/6.0.5, UPnP/1.0, IpBridge/1.17.0\r\n" // _modelName, _modelNumber
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"hue-bridgeid: %s\r\n"
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"ST: urn:schemas-upnp-org:device:basic:1\r\n" // _deviceType
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"USN: uuid:2f402f80-da50-11e1-9b23-%s::upnp:rootdevice\r\n" // _uuid::_deviceType
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"\r\n"),s,escapedMac.c_str(),escapedMac.c_str());
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espalexaUdp.beginPacket(espalexaUdp.remoteIP(), espalexaUdp.remotePort());
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#ifdef ARDUINO_ARCH_ESP32
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espalexaUdp.write((uint8_t*)buf, strlen(buf));
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#else
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espalexaUdp.write(buf);
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#endif
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espalexaUdp.endPacket();
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}
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public:
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Espalexa(){}
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//initialize interfaces
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#ifdef ESPALEXA_ASYNC
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bool begin(AsyncWebServer* externalServer = nullptr)
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#elif defined ARDUINO_ARCH_ESP32
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bool begin(WebServer* externalServer = nullptr)
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#else
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bool begin(ESP8266WebServer* externalServer = nullptr)
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#endif
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{
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EA_DEBUGLN("Espalexa Begin...");
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EA_DEBUG("MAXDEVICES ");
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EA_DEBUGLN(ESPALEXA_MAXDEVICES);
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escapedMac = WiFi.macAddress();
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escapedMac.replace(":", "");
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escapedMac.toLowerCase();
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#ifdef ESPALEXA_ASYNC
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serverAsync = externalServer;
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#else
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server = externalServer;
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#endif
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#ifdef ARDUINO_ARCH_ESP32
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udpConnected = espalexaUdp.beginMulticast(IPAddress(239, 255, 255, 250), 1900);
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#else
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udpConnected = espalexaUdp.beginMulticast(Network.localIP(), IPAddress(239, 255, 255, 250), 1900);
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#endif
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if (udpConnected){
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startHttpServer();
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EA_DEBUGLN("Done");
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return true;
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}
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EA_DEBUGLN("Failed");
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return false;
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}
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//service loop
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void loop() {
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#ifndef ESPALEXA_ASYNC
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if (server == nullptr) return; //only if begin() was not called
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server->handleClient();
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#endif
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if (!udpConnected) return;
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int packetSize = espalexaUdp.parsePacket();
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if (packetSize < 1) return; //no new udp packet
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EA_DEBUGLN("Got UDP!");
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unsigned char packetBuffer[packetSize+1]; //buffer to hold incoming udp packet
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espalexaUdp.read(packetBuffer, packetSize);
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packetBuffer[packetSize] = 0;
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espalexaUdp.flush();
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if (!discoverable) return; //do not reply to M-SEARCH if not discoverable
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const char* request = (const char *) packetBuffer;
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if (strstr(request, "M-SEARCH") == nullptr) return;
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EA_DEBUGLN(request);
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if (strstr(request, "ssdp:disc") != nullptr && //short for "ssdp:discover"
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(strstr(request, "upnp:rootd") != nullptr || //short for "upnp:rootdevice"
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strstr(request, "ssdp:all") != nullptr ||
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strstr(request, "asic:1") != nullptr )) //short for "device:basic:1"
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{
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EA_DEBUGLN("Responding search req...");
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respondToSearch();
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}
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}
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bool addDevice(EspalexaDevice* d)
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{
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EA_DEBUG("Adding device ");
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EA_DEBUGLN((currentDeviceCount+1));
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if (currentDeviceCount >= ESPALEXA_MAXDEVICES) return false;
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if (d == nullptr) return false;
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d->setId(currentDeviceCount);
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devices[currentDeviceCount] = d;
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currentDeviceCount++;
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return true;
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}
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//brightness-only callback
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bool addDevice(String deviceName, BrightnessCallbackFunction callback, uint8_t initialValue = 0)
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{
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EA_DEBUG("Constructing device ");
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EA_DEBUGLN((currentDeviceCount+1));
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if (currentDeviceCount >= ESPALEXA_MAXDEVICES) return false;
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EspalexaDevice* d = new EspalexaDevice(deviceName, callback, initialValue);
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return addDevice(d);
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}
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//brightness-only callback
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bool addDevice(String deviceName, ColorCallbackFunction callback, uint8_t initialValue = 0)
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{
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EA_DEBUG("Constructing device ");
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EA_DEBUGLN((currentDeviceCount+1));
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if (currentDeviceCount >= ESPALEXA_MAXDEVICES) return false;
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EspalexaDevice* d = new EspalexaDevice(deviceName, callback, initialValue);
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return addDevice(d);
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}
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bool addDevice(String deviceName, DeviceCallbackFunction callback, EspalexaDeviceType t = EspalexaDeviceType::dimmable, uint8_t initialValue = 0)
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{
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EA_DEBUG("Constructing device ");
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EA_DEBUGLN((currentDeviceCount+1));
|
|
if (currentDeviceCount >= ESPALEXA_MAXDEVICES) return false;
|
|
EspalexaDevice* d = new EspalexaDevice(deviceName, callback, t, initialValue);
|
|
return addDevice(d);
|
|
}
|
|
|
|
//basic implementation of Philips hue api functions needed for basic Alexa control
|
|
#ifdef ESPALEXA_ASYNC
|
|
bool handleAlexaApiCall(AsyncWebServerRequest* request)
|
|
{
|
|
server = request; //copy request reference
|
|
String req = request->url(); //body from global variable
|
|
EA_DEBUGLN(request->contentType());
|
|
if (request->hasParam("body", true)) // This is necessary, otherwise ESP crashes if there is no body
|
|
{
|
|
EA_DEBUG("BodyMethod2");
|
|
body = request->getParam("body", true)->value();
|
|
}
|
|
EA_DEBUG("FinalBody: ");
|
|
EA_DEBUGLN(body);
|
|
#else
|
|
bool handleAlexaApiCall(String req, String body)
|
|
{
|
|
#endif
|
|
EA_DEBUGLN("AlexaApiCall");
|
|
if (req.indexOf("api") <0) return false; //return if not an API call
|
|
EA_DEBUGLN("ok");
|
|
|
|
if (body.indexOf("devicetype") > 0) //client wants a hue api username, we don't care and give static
|
|
{
|
|
EA_DEBUGLN("devType");
|
|
body = "";
|
|
server->send(200, "application/json", F("[{\"success\":{\"username\":\"2WLEDHardQrI3WHYTHoMcXHgEspsM8ZZRpSKtBQr\"}}]"));
|
|
return true;
|
|
}
|
|
|
|
if ((req.indexOf("state") > 0) && (body.length() > 0)) //client wants to control light
|
|
{
|
|
server->send(200, "application/json", F("[{\"success\":{\"/lights/1/state/\": true}}]"));
|
|
|
|
uint32_t devId = req.substring(req.indexOf("lights")+7).toInt();
|
|
EA_DEBUG("ls"); EA_DEBUGLN(devId);
|
|
EA_DEBUGLN(devId);
|
|
devId--; //zero-based for devices array
|
|
if (devId >= currentDeviceCount) return true; //return if invalid ID
|
|
|
|
devices[devId]->setPropertyChanged(EspalexaDeviceProperty::none);
|
|
|
|
if (body.indexOf("false")>0) //OFF command
|
|
{
|
|
devices[devId]->setValue(0);
|
|
devices[devId]->setPropertyChanged(EspalexaDeviceProperty::off);
|
|
devices[devId]->doCallback();
|
|
return true;
|
|
}
|
|
|
|
if (body.indexOf("true") >0) //ON command
|
|
{
|
|
devices[devId]->setValue(devices[devId]->getLastValue());
|
|
devices[devId]->setPropertyChanged(EspalexaDeviceProperty::on);
|
|
}
|
|
|
|
if (body.indexOf("bri") >0) //BRIGHTNESS command
|
|
{
|
|
uint8_t briL = body.substring(body.indexOf("bri") +5).toInt();
|
|
if (briL == 255)
|
|
{
|
|
devices[devId]->setValue(255);
|
|
} else {
|
|
devices[devId]->setValue(briL+1);
|
|
}
|
|
devices[devId]->setPropertyChanged(EspalexaDeviceProperty::bri);
|
|
}
|
|
|
|
if (body.indexOf("xy") >0) //COLOR command (XY mode)
|
|
{
|
|
devices[devId]->setColorXY(body.substring(body.indexOf("[") +1).toFloat(), body.substring(body.indexOf(",0") +1).toFloat());
|
|
devices[devId]->setPropertyChanged(EspalexaDeviceProperty::xy);
|
|
}
|
|
|
|
if (body.indexOf("hue") >0) //COLOR command (HS mode)
|
|
{
|
|
devices[devId]->setColor(body.substring(body.indexOf("hue") +5).toInt(), body.substring(body.indexOf("sat") +5).toInt());
|
|
devices[devId]->setPropertyChanged(EspalexaDeviceProperty::hs);
|
|
}
|
|
|
|
if (body.indexOf("ct") >0) //COLOR TEMP command (white spectrum)
|
|
{
|
|
devices[devId]->setColor(body.substring(body.indexOf("ct") +4).toInt());
|
|
devices[devId]->setPropertyChanged(EspalexaDeviceProperty::ct);
|
|
}
|
|
|
|
devices[devId]->doCallback();
|
|
|
|
#ifdef ESPALEXA_DEBUG
|
|
if (devices[devId]->getLastChangedProperty() == EspalexaDeviceProperty::none)
|
|
EA_DEBUGLN("STATE REQ WITHOUT BODY (likely Content-Type issue #6)");
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
int pos = req.indexOf("lights");
|
|
if (pos > 0) //client wants light info
|
|
{
|
|
int devId = req.substring(pos+7).toInt();
|
|
EA_DEBUG("l"); EA_DEBUGLN(devId);
|
|
|
|
if (devId == 0) //client wants all lights
|
|
{
|
|
EA_DEBUGLN("lAll");
|
|
String jsonTemp = "{";
|
|
for (int i = 0; i<currentDeviceCount; i++)
|
|
{
|
|
jsonTemp += "\"" + String(i+1) + "\":";
|
|
char buf[512];
|
|
deviceJsonString(i+1, buf);
|
|
jsonTemp += buf;
|
|
if (i < currentDeviceCount-1) jsonTemp += ",";
|
|
}
|
|
jsonTemp += "}";
|
|
server->send(200, "application/json", jsonTemp);
|
|
} else //client wants one light (devId)
|
|
{
|
|
EA_DEBUGLN(devId);
|
|
if (devId > currentDeviceCount)
|
|
{
|
|
server->send(200, "application/json", "{}");
|
|
} else {
|
|
char buf[512];
|
|
deviceJsonString(devId, buf);
|
|
server->send(200, "application/json", buf);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//we don't care about other api commands at this time and send empty JSON
|
|
server->send(200, "application/json", "{}");
|
|
return true;
|
|
}
|
|
|
|
//set whether Alexa can discover any devices
|
|
void setDiscoverable(bool d)
|
|
{
|
|
discoverable = d;
|
|
}
|
|
|
|
//get EspalexaDevice at specific index
|
|
EspalexaDevice* getDevice(uint8_t index)
|
|
{
|
|
if (index >= currentDeviceCount) return nullptr;
|
|
return devices[index];
|
|
}
|
|
|
|
//is an unique device ID
|
|
String getEscapedMac()
|
|
{
|
|
return escapedMac;
|
|
}
|
|
|
|
//convert brightness (0-255) to percentage
|
|
uint8_t toPercent(uint8_t bri)
|
|
{
|
|
uint16_t perc = bri * 100;
|
|
return perc / 255;
|
|
}
|
|
|
|
~Espalexa(){} //note: Espalexa is NOT meant to be destructed
|
|
};
|
|
|
|
#endif
|