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esp32

This commit is contained in:
Stefan Ostermann 2023-06-04 01:08:27 +02:00
parent e495cdbd78
commit 0835956179
6 changed files with 152 additions and 70 deletions
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5
README.md
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@ -1,4 +1,7 @@
# HannaBox
Manual install of wifi manager download zip in project dir using vs console:
pio lib install ~/Downloads/WiFiManager-2.0.16-rc.2.zip
## Pins
@ -9,6 +12,8 @@ D4 -> LRC
5V -> Vin
GND -> GND
DAC Channel ESP32 = PIN 25
SD Card:
CS -> D1
MOSI -> D7

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data/ex.mp3
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data/ex2.mp3
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11
platformio.ini
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@ -8,11 +8,12 @@
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html
[env:d1_mini]
platform = espressif8266
board = d1_mini
[env:d1_mini32]
platform = espressif32
board = wemos_d1_mini32
framework = arduino
lib_deps =
tzapu/WiFiManager@^0.16.0
earlephilhower/ESP8266Audio@^1.9.7
esphome/ESP32-audioI2S@^2.0.7
me-no-dev/AsyncTCP@^1.1.1
me-no-dev/ESP Async WebServer@^1.2.3
monitor_speed = 115200

69
src/WebContent.h Normal file
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@ -0,0 +1,69 @@
// HTML web page
const char index_html[] = R"rawliteral(
<!DOCTYPE HTML><html>
<head>
<title>Hanna Box</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body { font-family: Arial; text-align: center; margin:0px auto; padding-top: 30px;}
.button {
padding: 10px 20px;
font-size: 24px;
text-align: center;
outline: none;
color: #fff;
background-color: #2f4468;
border: none;
border-radius: 5px;
box-shadow: 0 6px #999;
cursor: pointer;
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-tap-highlight-color: rgba(0,0,0,0);
}
.button:hover {background-color: #1f2e45}
.button:active {
background-color: #1f2e45;
box-shadow: 0 4px #666;
transform: translateY(2px);
}
</style>
</head>
<body>
<h1>Greenhousino Irrigation System</h1>
Pump state: <span id="state"></span><br/><br/>
<button class="button" onmousedown="toggleCheckbox('on');" ontouchstart="toggleCheckbox('on');" onmouseup="toggleCheckbox('off');" ontouchend="toggleCheckbox('off');">PUMP!</button><br/><br/>
<button class="button" onmouseup="toggleCheckbox('on');" ontouchend="toggleCheckbox('on');">On!</button><br/><br/>
<button class="button" onmouseup="toggleCheckbox('off');" ontouchend="toggleCheckbox('off');">Off!</button><br/><br/>
<script>
setInterval(getState, 500);
function toggleCheckbox(x) {
var xhr = new XMLHttpRequest();
xhr.open("GET", "/" + x, true);
xhr.send();
}
function getState() {
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (xhr.readyState === 4) {
displayState(xhr.response);
}
}
xhr.open("GET","/state", true);
xhr.send();
}
function displayState(state) {
document.getElementById("state").innerHTML = state;
}
</script>
</body>
</html>)rawliteral";

137
src/main.cpp
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@ -1,46 +1,66 @@
#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
// needed for library
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <WiFiManager.h> //https://github.com/tzapu/WiFiManager
#include <WiFi.h>
#include "ESPAsyncWebServer.h"
//#include <ESPAsyncWiFiManager.h> //https://github.com/tzapu/WiFiManager
#include "Audio.h"
#define I2S_DOUT 26 // connect to DAC pin DIN
#define I2S_BCLK 27 // connect to DAC pin BCK
#define I2S_LRC 25 // connect to DAC pin LCK
#include "AudioFileSourceSPIFFS.h"
#include "AudioGeneratorMP3.h"
#include "AudioOutputI2SNoDAC.h"
#include "AudioFileSourceSD.h"
#include <SPI.h>
#include <SD.h>
#include "WebContent.h"
File root;
File mp3File;
void printDirectory(File dir, int numTabs);
AudioGeneratorMP3 *mp3;
AudioFileSourceSPIFFS *file;
AudioFileSourceSD *sdFile = NULL;
AudioOutputI2S *out;
unsigned long lastStart = 0;
const int startDelay = 250;
void initMp3File() {
file = new AudioFileSourceSPIFFS("/ex2.mp3");
Audio audio;
// Set web server port number to 80
AsyncWebServer server(80);
// Variable to store the HTTP request
String header;
void playNextMp3() {
File next = root.openNextFile();
if (!next) {
root = SD.open("/");
}
if (String(next.name()).endsWith(".mp3")) {
sdFile = new AudioFileSourceSD(next.name());
while (!String(next.name()).endsWith(".mp3")) {
next = root.openNextFile();
if (!next) {
Serial.println("no more files found.");
return;
}
}
out = new AudioOutputI2S();
mp3 = new AudioGeneratorMP3();
Serial.print("initialized");
Serial.print(next.name());
Serial.print("\n");
audio.stopSong();
audio.connecttoSD(next.name());
}
void audio_info(const char *info){
//Serial.print("info "); Serial.println(info);
}
void setup()
{
// put your setup code here, to run once:
@ -48,54 +68,49 @@ void setup()
pinMode(D3, INPUT_PULLUP);
// WiFiManager
// Local intialization. Once its business is done, there is no need to keep it around
//WiFiManager wifiManager;
// reset saved settings
// wifiManager.resetSettings();
AsyncWebServer server(80);
//DNSServer dns;
//first parameter is name of access point, second is the password
//AsyncWiFiManager wifiManager(&server,&dns);
// set custom ip for portal
// wifiManager.setAPStaticIPConfig(IPAddress(10,0,1,1), IPAddress(10,0,1,1), IPAddress(255,255,255,0));
// fetches ssid and pass from eeprom and tries to connect
// if it does not connect it starts an access point with the specified name
// here "AutoConnectAP"
// and goes into a blocking loop awaiting configuration
//wifiManager.autoConnect("AutoConnectAP");
// or use this for auto generated name ESP + ChipID
//fetches ssid and pass and tries to connect
//if it does not connect it starts an access point with the specified name
//here "AutoConnectAP"
//and goes into a blocking loop awaiting configuration
// wifiManager.autoConnect();
/*
if (!wifiManager.autoConnect())
{
Serial.println("failed to connect and hit timeout");
//reset and try again, or maybe put it to deep sleep
//ESP.restart();
//delay(1000);
} else {
// if you get here you have connected to the WiFi
Serial.println("connected...yeey :)");
audioLogger = &Serial;
}
*/
WiFi.begin("heim", "0ggnWLS.");
Serial.print("Initializing SD card...");
Serial.print("Initializing SD card...");
if (!SD.begin(D1)) {
Serial.println("initialization failed!");
Serial.println("SD initialization failed!");
while (1);
}
Serial.println("initialization done.");
Serial.println("SD initialization done.");
root = SD.open("/");
//printDirectory(root, 0);
audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DOUT);
audio.setVolume(12); // 0...21
Serial.println("done!");
SPIFFS.begin();
Serial.println("beginning mp3 setup...");
initMp3File();
// Send web page with input fields to client
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
request->send_P(200, "text/html", index_html);
});
}
void printDirectory(File dir, int numTabs) {
@ -125,27 +140,19 @@ void printDirectory(File dir, int numTabs) {
void loop()
{
audio.loop();
//Serial.print(digitalRead(D2));
if (digitalRead(D3)==LOW) {
unsigned long now = millis();
if (now-lastStart>startDelay) {
if (mp3->isRunning()) {
mp3->stop();
}
initMp3File();
mp3->begin(sdFile,out);
Serial.print("started.");
playNextMp3();
Serial.println("mp3 started.");
lastStart=now;
}
}
if (mp3->isRunning())
{
if (!mp3->loop())
mp3->stop();
}
}