mirror of https://github.com/arendst/Tasmota.git
442 lines
12 KiB
C++
442 lines
12 KiB
C++
/*
|
|
WebRadio Example
|
|
Very simple HTML app to control web streaming
|
|
|
|
Copyright (C) 2017 Earle F. Philhower, III
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <Arduino.h>
|
|
#ifdef ESP32
|
|
#include <WiFi.h>
|
|
#else
|
|
#include <ESP8266WiFi.h>
|
|
#endif
|
|
#include "AudioFileSourceICYStream.h"
|
|
#include "AudioFileSourceBuffer.h"
|
|
#include "AudioGeneratorMP3.h"
|
|
#include "AudioGeneratorAAC.h"
|
|
#include "AudioOutputI2S.h"
|
|
#include <EEPROM.h>
|
|
|
|
// Custom web server that doesn't need much RAM
|
|
#include "web.h"
|
|
|
|
// To run, set your ESP8266 build to 160MHz, update the SSID info, and upload.
|
|
|
|
// Enter your WiFi setup here:
|
|
#ifndef STASSID
|
|
#define STASSID "your-ssid"
|
|
#define STAPSK "your-password"
|
|
#endif
|
|
|
|
const char* ssid = STASSID;
|
|
const char* password = STAPSK;
|
|
|
|
WiFiServer server(80);
|
|
|
|
AudioGenerator *decoder = NULL;
|
|
AudioFileSourceICYStream *file = NULL;
|
|
AudioFileSourceBuffer *buff = NULL;
|
|
AudioOutputI2S *out = NULL;
|
|
|
|
int volume = 100;
|
|
char title[64];
|
|
char url[96];
|
|
char status[64];
|
|
bool newUrl = false;
|
|
bool isAAC = false;
|
|
int retryms = 0;
|
|
|
|
typedef struct {
|
|
char url[96];
|
|
bool isAAC;
|
|
int16_t volume;
|
|
int16_t checksum;
|
|
} Settings;
|
|
|
|
// C++11 multiline string constants are neato...
|
|
static const char HEAD[] PROGMEM = R"KEWL(
|
|
<head>
|
|
<title>ESP8266 Web Radio</title>
|
|
<script type="text/javascript">
|
|
function updateTitle() {
|
|
var x = new XMLHttpRequest();
|
|
x.open("GET", "title");
|
|
x.onload = function() { document.getElementById("titlespan").innerHTML=x.responseText; setTimeout(updateTitle, 5000); }
|
|
x.onerror = function() { setTimeout(updateTitle, 5000); }
|
|
x.send();
|
|
}
|
|
setTimeout(updateTitle, 1000);
|
|
function showValue(n) {
|
|
document.getElementById("volspan").innerHTML=n;
|
|
var x = new XMLHttpRequest();
|
|
x.open("GET", "setvol?vol="+n);
|
|
x.send();
|
|
}
|
|
function updateStatus() {var x = new XMLHttpRequest();
|
|
x.open("GET", "status");
|
|
x.onload = function() { document.getElementById("statusspan").innerHTML=x.responseText; setTimeout(updateStatus, 5000); }
|
|
x.onerror = function() { setTimeout(updateStatus, 5000); }
|
|
x.send();
|
|
}
|
|
setTimeout(updateStatus, 2000);
|
|
</script>
|
|
</head>)KEWL";
|
|
|
|
static const char BODY[] PROGMEM = R"KEWL(
|
|
<body>
|
|
ESP8266 Web Radio!
|
|
<hr>
|
|
Currently Playing: <span id="titlespan">%s</span><br>
|
|
Volume: <input type="range" name="vol" min="1" max="150" steps="10" value="%d" onchange="showValue(this.value)"/> <span id="volspan">%d</span>%%
|
|
<hr>
|
|
Status: <span id="statusspan">%s</span>
|
|
<hr>
|
|
<form action="changeurl" method="GET">
|
|
Current URL: %s<br>
|
|
Change URL: <input type="text" name="url">
|
|
<select name="type"><option value="mp3">MP3</option><option value="aac">AAC</option></select>
|
|
<input type="submit" value="Change"></form>
|
|
<form action="stop" method="POST"><input type="submit" value="Stop"></form>
|
|
</body>)KEWL";
|
|
|
|
void HandleIndex(WiFiClient *client)
|
|
{
|
|
char buff[sizeof(BODY) + sizeof(title) + sizeof(status) + sizeof(url) + 3*2];
|
|
|
|
Serial.printf_P(PSTR("Sending INDEX...Free mem=%d\n"), ESP.getFreeHeap());
|
|
WebHeaders(client, NULL);
|
|
WebPrintf(client, DOCTYPE);
|
|
client->write_P( PSTR("<html>"), 6 );
|
|
client->write_P( HEAD, strlen_P(HEAD) );
|
|
sprintf_P(buff, BODY, title, volume, volume, status, url);
|
|
client->write(buff, strlen(buff) );
|
|
client->write_P( PSTR("</html>"), 7 );
|
|
Serial.printf_P(PSTR("Sent INDEX...Free mem=%d\n"), ESP.getFreeHeap());
|
|
}
|
|
|
|
void HandleStatus(WiFiClient *client)
|
|
{
|
|
WebHeaders(client, NULL);
|
|
client->write(status, strlen(status));
|
|
}
|
|
|
|
void HandleTitle(WiFiClient *client)
|
|
{
|
|
WebHeaders(client, NULL);
|
|
client->write(title, strlen(title));
|
|
}
|
|
|
|
void HandleVolume(WiFiClient *client, char *params)
|
|
{
|
|
char *namePtr;
|
|
char *valPtr;
|
|
|
|
while (ParseParam(¶ms, &namePtr, &valPtr)) {
|
|
ParamInt("vol", volume);
|
|
}
|
|
Serial.printf_P(PSTR("Set volume: %d\n"), volume);
|
|
out->SetGain(((float)volume)/100.0);
|
|
RedirectToIndex(client);
|
|
}
|
|
|
|
void HandleChangeURL(WiFiClient *client, char *params)
|
|
{
|
|
char *namePtr;
|
|
char *valPtr;
|
|
char newURL[sizeof(url)];
|
|
char newType[4];
|
|
|
|
newURL[0] = 0;
|
|
newType[0] = 0;
|
|
while (ParseParam(¶ms, &namePtr, &valPtr)) {
|
|
ParamText("url", newURL);
|
|
ParamText("type", newType);
|
|
}
|
|
if (newURL[0] && newType[0]) {
|
|
newUrl = true;
|
|
strncpy(url, newURL, sizeof(url)-1);
|
|
url[sizeof(url)-1] = 0;
|
|
if (!strcmp_P(newType, PSTR("aac"))) {
|
|
isAAC = true;
|
|
} else {
|
|
isAAC = false;
|
|
}
|
|
strcpy_P(status, PSTR("Changing URL..."));
|
|
Serial.printf_P(PSTR("Changed URL to: %s(%s)\n"), url, newType);
|
|
RedirectToIndex(client);
|
|
} else {
|
|
WebError(client, 404, NULL, false);
|
|
}
|
|
}
|
|
|
|
void RedirectToIndex(WiFiClient *client)
|
|
{
|
|
WebError(client, 301, PSTR("Location: /\r\n"), true);
|
|
}
|
|
|
|
void StopPlaying()
|
|
{
|
|
if (decoder) {
|
|
decoder->stop();
|
|
delete decoder;
|
|
decoder = NULL;
|
|
}
|
|
if (buff) {
|
|
buff->close();
|
|
delete buff;
|
|
buff = NULL;
|
|
}
|
|
if (file) {
|
|
file->close();
|
|
delete file;
|
|
file = NULL;
|
|
}
|
|
strcpy_P(status, PSTR("Stopped"));
|
|
strcpy_P(title, PSTR("Stopped"));
|
|
}
|
|
|
|
void HandleStop(WiFiClient *client)
|
|
{
|
|
Serial.printf_P(PSTR("HandleStop()\n"));
|
|
StopPlaying();
|
|
RedirectToIndex(client);
|
|
}
|
|
|
|
void MDCallback(void *cbData, const char *type, bool isUnicode, const char *str)
|
|
{
|
|
const char *ptr = reinterpret_cast<const char *>(cbData);
|
|
(void) isUnicode; // Punt this ball for now
|
|
(void) ptr;
|
|
if (strstr_P(type, PSTR("Title"))) {
|
|
strncpy(title, str, sizeof(title));
|
|
title[sizeof(title)-1] = 0;
|
|
} else {
|
|
// Who knows what to do? Not me!
|
|
}
|
|
}
|
|
void StatusCallback(void *cbData, int code, const char *string)
|
|
{
|
|
const char *ptr = reinterpret_cast<const char *>(cbData);
|
|
(void) code;
|
|
(void) ptr;
|
|
strncpy_P(status, string, sizeof(status)-1);
|
|
status[sizeof(status)-1] = 0;
|
|
}
|
|
|
|
#ifdef ESP8266
|
|
const int preallocateBufferSize = 5*1024;
|
|
const int preallocateCodecSize = 29192; // MP3 codec max mem needed
|
|
#else
|
|
const int preallocateBufferSize = 16*1024;
|
|
const int preallocateCodecSize = 85332; // AAC+SBR codec max mem needed
|
|
#endif
|
|
void *preallocateBuffer = NULL;
|
|
void *preallocateCodec = NULL;
|
|
|
|
void setup()
|
|
{
|
|
// First, preallocate all the memory needed for the buffering and codecs, never to be freed
|
|
preallocateBuffer = malloc(preallocateBufferSize);
|
|
preallocateCodec = malloc(preallocateCodecSize);
|
|
if (!preallocateBuffer || !preallocateCodec) {
|
|
Serial.begin(115200);
|
|
Serial.printf_P(PSTR("FATAL ERROR: Unable to preallocate %d bytes for app\n"), preallocateBufferSize+preallocateCodecSize);
|
|
while (1) delay(1000); // Infinite halt
|
|
}
|
|
|
|
Serial.begin(115200);
|
|
|
|
delay(1000);
|
|
Serial.printf_P(PSTR("Connecting to WiFi\n"));
|
|
|
|
WiFi.disconnect();
|
|
WiFi.softAPdisconnect(true);
|
|
WiFi.mode(WIFI_STA);
|
|
|
|
WiFi.begin(ssid, password);
|
|
|
|
// Try forever
|
|
while (WiFi.status() != WL_CONNECTED) {
|
|
Serial.printf_P(PSTR("...Connecting to WiFi\n"));
|
|
delay(1000);
|
|
}
|
|
Serial.printf_P(PSTR("Connected\n"));
|
|
|
|
Serial.printf_P(PSTR("Go to http://"));
|
|
Serial.print(WiFi.localIP());
|
|
Serial.printf_P(PSTR("/ to control the web radio.\n"));
|
|
|
|
server.begin();
|
|
|
|
strcpy_P(url, PSTR("none"));
|
|
strcpy_P(status, PSTR("OK"));
|
|
strcpy_P(title, PSTR("Idle"));
|
|
|
|
audioLogger = &Serial;
|
|
file = NULL;
|
|
buff = NULL;
|
|
out = new AudioOutputI2S();
|
|
decoder = NULL;
|
|
|
|
LoadSettings();
|
|
}
|
|
|
|
void StartNewURL()
|
|
{
|
|
Serial.printf_P(PSTR("Changing URL to: %s, vol=%d\n"), url, volume);
|
|
|
|
newUrl = false;
|
|
// Stop and free existing ones
|
|
Serial.printf_P(PSTR("Before stop...Free mem=%d\n"), ESP.getFreeHeap());
|
|
StopPlaying();
|
|
Serial.printf_P(PSTR("After stop...Free mem=%d\n"), ESP.getFreeHeap());
|
|
SaveSettings();
|
|
Serial.printf_P(PSTR("Saved settings\n"));
|
|
|
|
file = new AudioFileSourceICYStream(url);
|
|
Serial.printf_P(PSTR("created icystream\n"));
|
|
file->RegisterMetadataCB(MDCallback, NULL);
|
|
buff = new AudioFileSourceBuffer(file, preallocateBuffer, preallocateBufferSize);
|
|
Serial.printf_P(PSTR("created buffer\n"));
|
|
buff->RegisterStatusCB(StatusCallback, NULL);
|
|
decoder = isAAC ? (AudioGenerator*) new AudioGeneratorAAC(preallocateCodec, preallocateCodecSize) : (AudioGenerator*) new AudioGeneratorMP3(preallocateCodec, preallocateCodecSize);
|
|
Serial.printf_P(PSTR("created decoder\n"));
|
|
decoder->RegisterStatusCB(StatusCallback, NULL);
|
|
Serial.printf_P("Decoder start...\n");
|
|
decoder->begin(buff, out);
|
|
out->SetGain(((float)volume)/100.0);
|
|
if (!decoder->isRunning()) {
|
|
Serial.printf_P(PSTR("Can't connect to URL"));
|
|
StopPlaying();
|
|
strcpy_P(status, PSTR("Unable to connect to URL"));
|
|
retryms = millis() + 2000;
|
|
}
|
|
Serial.printf_P("Done start new URL\n");
|
|
}
|
|
|
|
void LoadSettings()
|
|
{
|
|
// Restore from EEPROM, check the checksum matches
|
|
Settings s;
|
|
uint8_t *ptr = reinterpret_cast<uint8_t *>(&s);
|
|
EEPROM.begin(sizeof(s));
|
|
for (size_t i=0; i<sizeof(s); i++) {
|
|
ptr[i] = EEPROM.read(i);
|
|
}
|
|
EEPROM.end();
|
|
int16_t sum = 0x1234;
|
|
for (size_t i=0; i<sizeof(url); i++) sum += s.url[i];
|
|
sum += s.isAAC;
|
|
sum += s.volume;
|
|
if (s.checksum == sum) {
|
|
strcpy(url, s.url);
|
|
isAAC = s.isAAC;
|
|
volume = s.volume;
|
|
Serial.printf_P(PSTR("Resuming stream from EEPROM: %s, type=%s, vol=%d\n"), url, isAAC?"AAC":"MP3", volume);
|
|
newUrl = true;
|
|
}
|
|
}
|
|
|
|
void SaveSettings()
|
|
{
|
|
// Store in "EEPROM" to restart automatically
|
|
Settings s;
|
|
memset(&s, 0, sizeof(s));
|
|
strcpy(s.url, url);
|
|
s.isAAC = isAAC;
|
|
s.volume = volume;
|
|
s.checksum = 0x1234;
|
|
for (size_t i=0; i<sizeof(url); i++) s.checksum += s.url[i];
|
|
s.checksum += s.isAAC;
|
|
s.checksum += s.volume;
|
|
uint8_t *ptr = reinterpret_cast<uint8_t *>(&s);
|
|
EEPROM.begin(sizeof(s));
|
|
for (size_t i=0; i<sizeof(s); i++) {
|
|
EEPROM.write(i, ptr[i]);
|
|
}
|
|
EEPROM.commit();
|
|
EEPROM.end();
|
|
}
|
|
|
|
void PumpDecoder()
|
|
{
|
|
if (decoder && decoder->isRunning()) {
|
|
strcpy_P(status, PSTR("Playing")); // By default we're OK unless the decoder says otherwise
|
|
if (!decoder->loop()) {
|
|
Serial.printf_P(PSTR("Stopping decoder\n"));
|
|
StopPlaying();
|
|
retryms = millis() + 2000;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
static int lastms = 0;
|
|
if (millis()-lastms > 1000) {
|
|
lastms = millis();
|
|
Serial.printf_P(PSTR("Running for %d seconds%c...Free mem=%d\n"), lastms/1000, !decoder?' ':(decoder->isRunning()?'*':' '), ESP.getFreeHeap());
|
|
}
|
|
|
|
if (retryms && millis()-retryms>0) {
|
|
retryms = 0;
|
|
newUrl = true;
|
|
}
|
|
|
|
if (newUrl) {
|
|
StartNewURL();
|
|
}
|
|
|
|
PumpDecoder();
|
|
|
|
char *reqUrl;
|
|
char *params;
|
|
WiFiClient client = server.available();
|
|
PumpDecoder();
|
|
char reqBuff[384];
|
|
if (client && WebReadRequest(&client, reqBuff, 384, &reqUrl, ¶ms)) {
|
|
PumpDecoder();
|
|
if (IsIndexHTML(reqUrl)) {
|
|
HandleIndex(&client);
|
|
} else if (!strcmp_P(reqUrl, PSTR("stop"))) {
|
|
HandleStop(&client);
|
|
} else if (!strcmp_P(reqUrl, PSTR("status"))) {
|
|
HandleStatus(&client);
|
|
} else if (!strcmp_P(reqUrl, PSTR("title"))) {
|
|
HandleTitle(&client);
|
|
} else if (!strcmp_P(reqUrl, PSTR("setvol"))) {
|
|
HandleVolume(&client, params);
|
|
} else if (!strcmp_P(reqUrl, PSTR("changeurl"))) {
|
|
HandleChangeURL(&client, params);
|
|
} else {
|
|
WebError(&client, 404, NULL, false);
|
|
}
|
|
// web clients hate when door is violently shut
|
|
while (client.available()) {
|
|
PumpDecoder();
|
|
client.read();
|
|
}
|
|
}
|
|
PumpDecoder();
|
|
if (client) {
|
|
client.flush();
|
|
client.stop();
|
|
}
|
|
}
|
|
|