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#include <Arduino.h>
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#include <Wire.h>
#include "PCA9685.h"
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extern "C" {
#include "user_interface.h"
}
os_timer_t Timer1; // Verwaltungsstruktur des Timers
uint32_t c;
uint32_t m=0;
void timerCallback(void *pArg)
{
*((int *) pArg) += 1;
Serial.print("hallo\n");
Serial.println(micros()-m);
m = micros();
}
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// Änderung
// OTA & WEB
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#include "wifi_credentials.h"
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#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
#include <ArduinoOTA.h>
#include <ESP8266WebServer.h>
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#include <WiFiClient.h>
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#include "index.html.gz.h"
#include "style.css.gz.h"
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#include "favicon.png.gz.h"
// images are possible
// maybe check out FS <- SPIFFS
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const char* ssid = STASSID;
const char* password = STAPSK;
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void setup_webserver();
void setup_ota();
void setup_pwm_pca9685();
void handleRootGz();
void handleCssGz();
void handleNotFound();
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const int led = 13;
ESP8266WebServer server(80);
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PCA9685 pwmController;
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void handleRootGz() {
const char* dataType = "text/html";
server.sendHeader(F("Content-Encoding"), F("gzip"));
server.send(200, dataType, (const char*)index_html_gz, index_html_gz_len);
}
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void handleCssGz() {
const char* dataType = "text/css";
server.sendHeader(F("Content-Encoding"), F("gzip"));
server.send(200, dataType, (const char*)style_css_gz, style_css_gz_len);
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}
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void handleFaviconGz() {
const char* dataType = "image/png";
server.sendHeader(F("Content-Encoding"), F("gzip"));
server.send(200, dataType, (const char*)favicon_png_gz, favicon_png_gz_len);
}
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void handleNotFound() {
digitalWrite(led, 1);
String message = "File Not Found\n\n";
message += "URI: ";
message += server.uri();
message += "\nMethod: ";
message += (server.method() == HTTP_GET) ? "GET" : "POST";
message += "\nArguments: ";
message += server.args();
message += "\n";
for (uint8_t i = 0; i < server.args(); i++) {
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, "text/plain", message);
digitalWrite(led, 0);
}
void setup_webserver() {
pinMode(led, OUTPUT);
digitalWrite(led, 0);
Serial.println("");
// Wait for connection
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
server.on("/", handleRootGz);
server.on("/style.css", handleCssGz);
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server.on("/favicon.png", handleFaviconGz);
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server.onNotFound(handleNotFound);
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server.begin();
Serial.println("HTTP server started");
}
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void setup_ota() {
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ArduinoOTA.setPort(8266);
ArduinoOTA.setHostname("ESP_Treppenlicht");
ArduinoOTA.setPassword("admin");
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// Password can be set with it's md5 value as well
// MD5(admin) = 21232f297a57a5a743894a0e4a801fc3
// ArduinoOTA.setPasswordHash("21232f297a57a5a743894a0e4a801fc3");
ArduinoOTA.onStart([]() {
String type;
if (ArduinoOTA.getCommand() == U_FLASH) {
type = "sketch";
} else { // U_FS
type = "filesystem";
}
// NOTE: if updating FS this would be the place to unmount FS using FS.end()
Serial.println("Start updating " + type);
});
ArduinoOTA.onEnd([]() {
Serial.println("\nEnd");
});
ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
});
ArduinoOTA.onError([](ota_error_t error) {
Serial.printf("Error[%u]: ", error);
if (error == OTA_AUTH_ERROR) {
Serial.println("Auth Failed");
} else if (error == OTA_BEGIN_ERROR) {
Serial.println("Begin Failed");
} else if (error == OTA_CONNECT_ERROR) {
Serial.println("Connect Failed");
} else if (error == OTA_RECEIVE_ERROR) {
Serial.println("Receive Failed");
} else if (error == OTA_END_ERROR) {
Serial.println("End Failed");
}
});
ArduinoOTA.begin();
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}
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void setup_pwm_pca9685() {
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pwmController.resetDevices(); // Software resets all PCA9685 devices on Wire line
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pwmController.init(B000000); // Address pins A5-A0 set to B000000
pwmController.setPWMFrequency(200); // Default is 200Hz, supports 24Hz to 1526Hz
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pwmController.setChannelPWM(0, 128 << 4); // Set PWM to 128/255, but in 4096 land
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Serial.println(pwmController.getChannelPWM(0)); // Should output 2048, which is 128 << 4
}
void setup() {
Serial.begin(115200);
Serial.println(F("Booting ...."));
Wire.begin(); // Wire must be started first
Wire.setClock(400000); // Supported baud rates are 100kHz, 400kHz, and 1000kHz
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
while (WiFi.waitForConnectResult() != WL_CONNECTED) {
Serial.println("Connection Failed! Rebooting...");
delay(5000);
ESP.restart();
}
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os_timer_setfn(&Timer1, timerCallback, &c);
os_timer_arm(&Timer1, 1000, true);
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Serial.println("Ready");
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
setup_ota();
setup_webserver();
setup_pwm_pca9685();
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}
uint32_t t;
#define SP_US(_str,_a) Serial.print(_str); Serial.print(" took: "); Serial.print(_a); Serial.println("µs")
#define TIMEIF_US(_str,_f, _l) t=micros(); _f; t=micros()-t; if(t > _l) { SP_US(_str, t); }
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uint8_t softstart_led(uint8_t led, uint16_t startval, uint16_t stopval, uint8_t factor){
static uint8_t lastled = 255;
static uint8_t current_pwm = 0;
if(led != lastled){
pwmController.setChannelPWM(led, startval);
lastled = led;
current_pwm = startval;
return 1;
}
if(current_pwm == stopval){
return 0;
}
else if(startval > stopval){
current_pwm -= 1;
}
else {
current_pwm += 1;
}
pwmController.setChannelPWM(led, current_pwm*factor);
return 1;
}
#define LEDCOUNT 13
void ledsequence(uint8_t direction, uint8_t onoff, uint8_t factor){
static int8_t led = 0;
static uint8_t brightness = 0;
static uint8_t lastbrightness = 0;
static uint8_t finish = 1;
static uint32_t status = 0;
uint32_t status_build = 0;
status_build |= direction << 16;
status_build |= onoff << 8;
status_build |= factor;
if(status_build != status){ // check if any parameter changed
finish = 0; // set state unfinished -> start action
if(direction) led = 0; // reset led counter depending of direction
else led = LEDCOUNT-1;
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if(onoff){
brightness = 127; // set brightness value depending of on/off
lastbrightness = 0;
}
else{
brightness = 0;
lastbrightness = 127;
}
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status = status_build; // set parameter memory
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Serial.print("----Status Changed! onoff: ");
Serial.print(onoff);
Serial.print(" dir: ");
Serial.println(direction);
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}
if(!finish){ // finish == 0 -> action pending
if(!softstart_led(led,lastbrightness, brightness, factor)){
Serial.print("one LED finished, new set led: ");
Serial.print(led);
Serial.print(" last: ");
Serial.print(lastbrightness);
Serial.print(" curr: ");
Serial.println(brightness);
if(direction){
led++;
if(led >= LEDCOUNT) {
finish = 1;
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//lastbrightness = brightness;
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}
}
else{
led--;
if(led < 0){
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//lastbrightness = brightness;
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finish = 1;
}
}
}
}
}
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void loop() {
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static uint32_t dimmtimer = 0;
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static uint8_t direction = 1;
static uint8_t onoff = 1;
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if(millis() - dimmtimer > 2){
ledsequence(direction, onoff, 4);
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dimmtimer = millis();
}
if(millis() > 25000 && onoff == 1 && direction == 1) onoff = 0;
if(millis() > 35000 && direction == 1){
onoff = 1;
direction = 0;
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}
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TIMEIF_US("OTA", ArduinoOTA.handle(), 1000);
TIMEIF_US("HTTP", server.handleClient(), 1000);
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}