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ESP32-audioI2S
Unverified Commit 161e761c authored by Wolle's avatar Wolle Committed by GitHub
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Delete ESP32_Simple_WiFi_Radio_audioTask.ino

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#include <Arduino.h>
#include <Preferences.h>
#include <SPI.h>
#include <WiFi.h>
#include "tft.h" //see my repository at github "https://github.com/schreibfaul1/ESP32-TFT-Library-ILI9486"
#include "Audio.h" //see my repository at github "https://github.com/schreibfaul1/ESP32-audioI2S"
#define TFT_CS 22
#define TFT_DC 21
#define TP_CS 14 // 16
#define TP_IRQ 39
#define SPI_MOSI 23
#define SPI_MISO 19
#define SPI_SCK 18
#define I2S_DOUT 25
#define I2S_BCLK 27
#define I2S_LRC 26
Preferences pref;
TFT tft;
TP tp(TP_CS, TP_IRQ);
Audio audio;
String ssid = "******";
String password = "******";
String stations[] ={
"0n-80s.radionetz.de:8000/0n-70s.mp3",
"mediaserv30.live-streams.nl:8000/stream",
"www.surfmusic.de/m3u/100-5-das-hitradio,4529.m3u",
"stream.1a-webradio.de/deutsch/mp3-128/vtuner-1a",
"mp3.ffh.de/radioffh/hqlivestream.aac", // 128k aac
"www.antenne.de/webradio/antenne.m3u",
"listen.rusongs.ru/ru-mp3-128",
"edge.audio.3qsdn.com/senderkw-mp3",
"macslons-irish-pub-radio.com/media.asx",
};
//some global variables
uint8_t max_volume = 21;
uint8_t max_stations = 0; //will be set later
uint8_t cur_station = 0; //current station(nr), will be set later
uint8_t cur_volume = 0; //will be set from stored preferences
int8_t cur_btn =-1; //current button (, -1 means idle)
enum action{VOLUME_UP=0, VOLUME_DOWN=1, STATION_UP=2, STATION_DOWN=3};
enum staus {RELEASED=0, PRESSED=1};
struct _btns{
uint16_t x; //PosX
uint16_t y; //PosY
uint16_t w; //Width
uint16_t h; //Hight
uint8_t a; //Action
uint8_t s; //Status
};
typedef _btns btns;
btns btn[4];
//****************************************************************************************
// A U D I O _ T A S K *
//****************************************************************************************
struct audioMessage{
uint8_t cmd;
const char* txt;
uint32_t value;
uint32_t ret;
} audioTxMessage, audioRxMessage;
enum : uint8_t { SET_VOLUME, GET_VOLUME, CONNECTTOHOST, CONNECTTOSD };
QueueHandle_t audioSetQueue = NULL;
QueueHandle_t audioGetQueue = NULL;
void CreateQueues(){
audioSetQueue = xQueueCreate(10, sizeof(struct audioMessage));
audioGetQueue = xQueueCreate(10, sizeof(struct audioMessage));
}
void audioTask(void *parameter) {
CreateQueues();
if(!audioSetQueue || !audioGetQueue){
log_e("queues are not initialized");
while(true){;} // endless loop
}
struct audioMessage audioRxTaskMessage;
struct audioMessage audioTxTaskMessage;
audio.setPinout(I2S_BCLK, I2S_LRC, I2S_DOUT);
audio.setVolume(15); // 0...21
while(true){
if(xQueueReceive(audioSetQueue, &audioRxTaskMessage, 1) == pdPASS) {
if(audioRxTaskMessage.cmd == SET_VOLUME){
audioTxTaskMessage.cmd = SET_VOLUME;
audio.setVolume(audioRxTaskMessage.value);
audioTxTaskMessage.ret = 1;
xQueueSend(audioGetQueue, &audioTxTaskMessage, portMAX_DELAY);
}
else if(audioRxTaskMessage.cmd == CONNECTTOHOST){
audioTxTaskMessage.cmd = CONNECTTOHOST;
audioTxTaskMessage.ret = audio.connecttohost(audioRxTaskMessage.txt);
xQueueSend(audioGetQueue, &audioTxTaskMessage, portMAX_DELAY);
}
else if(audioRxTaskMessage.cmd == CONNECTTOSD){
audioTxTaskMessage.cmd = CONNECTTOSD;
audioTxTaskMessage.ret = audio.connecttoSD(audioRxTaskMessage.txt);
xQueueSend(audioGetQueue, &audioTxTaskMessage, portMAX_DELAY);
}
else if(audioRxTaskMessage.cmd == GET_VOLUME){
audioTxTaskMessage.cmd = GET_VOLUME;
audioTxTaskMessage.ret = audio.getVolume();
xQueueSend(audioGetQueue, &audioTxTaskMessage, portMAX_DELAY);
}
else{
log_i("error");
}
}
audio.loop();
vTaskDelay(1); // yield
}
}
void audioInit() {
xTaskCreatePinnedToCore(
audioTask, /* Function to implement the task */
"audioplay", /* Name of the task */
5000, /* Stack size in words */
NULL, /* Task input parameter */
2 | portPRIVILEGE_BIT, /* Priority of the task */
NULL, /* Task handle. */
1 /* Core where the task should run */
);
}
audioMessage transmitReceive(audioMessage msg){
xQueueSend(audioSetQueue, &msg, portMAX_DELAY);
if(xQueueReceive(audioGetQueue, &audioRxMessage, portMAX_DELAY) == pdPASS){
if(msg.cmd != audioRxMessage.cmd){
log_e("wrong reply from message queue");
}
}
return audioRxMessage;
}
void audioSetVolume(uint8_t vol){
audioTxMessage.cmd = SET_VOLUME;
audioTxMessage.value = vol;
audioMessage RX = transmitReceive(audioTxMessage);
}
uint8_t audioGetVolume(){
audioTxMessage.cmd = GET_VOLUME;
audioMessage RX = transmitReceive(audioTxMessage);
return RX.ret;
}
bool audioConnecttohost(const char* host){
audioTxMessage.cmd = CONNECTTOHOST;
audioTxMessage.txt = host;
audioMessage RX = transmitReceive(audioTxMessage);
return RX.ret;
}
bool audioConnecttoSD(const char* filename){
audioTxMessage.cmd = CONNECTTOSD;
audioTxMessage.txt = filename;
audioMessage RX = transmitReceive(audioTxMessage);
return RX.ret;
}
//**************************************************************************************************
// G U I *
//**************************************************************************************************
void draw_button(btns b){
uint16_t color=TFT_BLACK;
uint8_t r=4, o=r*3;
if(b.s==RELEASED) color=TFT_GOLD;
if(b.s==PRESSED) color=TFT_DEEPSKYBLUE;
tft.drawRoundRect(b.x, b.y, b.w, b.h, r, color);
switch(b.a){
case VOLUME_UP:
tft.fillTriangle(b.x+b.w/2, b.y+o, b.x+o, b.y+b.h-o, b.x+b.w-o, b.y+b.h-o, color); break;
case VOLUME_DOWN:
tft.fillTriangle(b.x+o, b.y+o, b.x+b.w/2, b.y+b.h-o, b.x+b.w-o, b.y+o, color); break;
case STATION_UP:
tft.fillTriangle(b.x+o, b.y+o, b.x+o, b.y+b.h-o, b.x+b.w-o, b.y+b.h/2, color); break;
case STATION_DOWN:
tft.fillTriangle(b.x+b.w-o, b.y+o, b.x+o, b.y+b.h/2, b.x+b.w-o, b.y+b.h-o, color); break;
}
}
void write_stationNr(uint8_t nr){
tft.fillRect(80, 250, 80, 60, TFT_BLACK);
String snr = String(nr);
if(snr.length()<2) snr = "0"+snr;
tft.setCursor(98, 255);
tft.setFont(Garamond44x54);
tft.setTextColor(TFT_YELLOW);
tft.print(snr);
}
void write_volume(uint8_t vol){
tft.fillRect(320, 250, 80, 60, TFT_BLACK);
String svol = String(vol);
if(svol.length()<2) svol = "0"+svol;
tft.setCursor(338, 255);
tft.setFont(Garamond44x54);
tft.setTextColor(TFT_YELLOW);
tft.print(svol);
}
void write_stationName(String sName){
tft.fillRect(0, 0, 480, 100, TFT_BLACK);
tft.setFont(Times_New_Roman43x35);
tft.setTextColor(TFT_CORNSILK);
tft.setCursor(20, 20);
tft.print(sName);
}
void write_streamTitle(String sTitle){
tft.fillRect(0, 100, 480, 150, TFT_BLACK);
tft.setFont(Times_New_Roman43x35);
tft.setTextColor(TFT_LIGHTBLUE);
tft.setCursor(20, 100);
tft.print(sTitle);
}
//**************************************************************************************************
// S E T U P *
//**************************************************************************************************
void setup() {
btn[0].x= 20; btn[0].y=250; btn[0].w=60; btn[0].h=60; btn[0].a=STATION_DOWN; btn[0].s=RELEASED;
btn[1].x=160; btn[1].y=250; btn[1].w=60; btn[1].h=60; btn[1].a=STATION_UP; btn[1].s=RELEASED;
btn[2].x=260; btn[2].y=250; btn[2].w=60; btn[2].h=60; btn[2].a=VOLUME_UP; btn[2].s=RELEASED;
btn[3].x=400; btn[3].y=250; btn[3].w=60; btn[3].h=60; btn[3].a=VOLUME_DOWN; btn[3].s=RELEASED;
max_stations= sizeof(stations)/sizeof(stations[0]); log_i("max stations %i", max_stations);
Serial.begin(115200);
SPI.begin(SPI_SCK, SPI_MISO, SPI_MOSI);
pref.begin("WebRadio", false); // instance of preferences for defaults (station, volume ...)
if(pref.getShort("volume", 1000) == 1000){ // if that: pref was never been initialized
pref.putShort("volume", 10);
pref.putShort("station", 0);
}
else{ // get the stored values
cur_station = pref.getShort("station");
cur_volume = pref.getShort("volume");
}
WiFi.begin(ssid.c_str(), password.c_str());
while (WiFi.status() != WL_CONNECTED){
delay(1500);
Serial.print(".");
}
log_i("Connect to %s", WiFi.SSID().c_str());
tft.begin(TFT_CS, TFT_DC, SPI_MOSI, SPI_MISO, SPI_SCK);
tft.setRotation(3);
tp.setRotation(3);
tft.setFont(Times_New_Roman43x35);
tft.fillScreen(TFT_BLACK);
audio.connecttohost(stations[cur_station].c_str());
for(uint8_t i=0; i<(sizeof(btn)/sizeof(*btn)); i++) draw_button(btn[i]);
write_volume(cur_volume);
write_stationNr(cur_station);
audioInit();
audioConnecttohost(stations[cur_station].c_str());
}
//**************************************************************************************************
// L O O P *
//**************************************************************************************************
void loop()
{
tp.loop();
}
//**************************************************************************************************
// E V E N T S *
//**************************************************************************************************
void audio_info(const char *info){
Serial.print("audio_info: "); Serial.println(info);
}
void audio_showstation(const char *info){
write_stationName(String(info));
}
void audio_showstreamtitle(const char *info){
String sinfo=String(info);
sinfo.replace("|", "\n");
write_streamTitle(sinfo);
}
void tp_pressed(uint16_t x, uint16_t y){
for(uint8_t i=0; i<(sizeof(btn)/sizeof(*btn)); i++){
if(x>btn[i].x && (x<btn[i].x+btn[i].w)){
if(y>btn[i].y && (y<btn[i].y+btn[i].h)){
cur_btn=i;
btn[cur_btn].s=PRESSED;
draw_button(btn[cur_btn]);
}
}
}
}
void tp_released(){
if(cur_btn !=-1){
btn[cur_btn].s=RELEASED;
draw_button(btn[cur_btn]);
switch(btn[cur_btn].a){
case VOLUME_UP: if(cur_volume<max_volume){
cur_volume++;
write_volume(cur_volume);
audioSetVolume(cur_volume);
pref.putShort("volume", cur_volume);} // store the current volume in nvs
break;
case VOLUME_DOWN: if(cur_volume>0){
cur_volume-- ;
write_volume(cur_volume);
audioSetVolume(cur_volume);
pref.putShort("volume", cur_volume);} // store the current volume in nvs
break;
case STATION_UP: if(cur_station<max_stations-1){
cur_station++;
write_stationNr(cur_station);
tft.fillRect(0, 0, 480, 250, TFT_BLACK);
audioConnecttohost(stations[cur_station].c_str());
pref.putShort("station", cur_station);} // store the current station in nvs
break;
case STATION_DOWN:if(cur_station>0){
cur_station--;
write_stationNr(cur_station);
tft.fillRect(0, 0, 480, 250, TFT_BLACK);
audioConnecttohost(stations[cur_station].c_str());
pref.putShort("station", cur_station);} // store the current station in nvs
break;
}
}
cur_btn=-1;
}
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