Sound beep and speak

README.md

@@ -1 +1,7 @@
-# Metwork
+# Metwork
+
+## Expressif 32
+https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/
+
+## TTGO
+https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library

platformio.ini

@@ -14,6 +14,10 @@ board = ttgo-t-watch
 framework = arduino
 build_flags = 
 	-DCORE_DEBUG_LEVEL=3
-lib_deps = TTGO TWatch Library
+lib_deps = 
+	TTGO TWatch Library
+	earlephilhower/ESP8266Audio@^1.8.1
+	gianbacchio/ESP8266Spiram@^1.0
+	earlephilhower/ESP8266SAM@^1.0
 upload_speed = 2000000
 monitor_speed = 115200

src/config.h

@@ -1,17 +1,20 @@
-#ifndef _CONFIG_H
+#ifndef _METWORK_CONFIG_H
 
-#define LILYGO_WATCH_2020_V1 //To use T-Watch2020, please uncomment this line
-#define LILYGO_WATCH_LVGL    //To use LVGL, you need to enable the macro LVGL
+#define LILYGO_WATCH_2020_V1 // To use T-Watch2020, please uncomment this line
+#define LILYGO_WATCH_LVGL    // To use LVGL, you need to enable the macro LVGL
 #define TWATCH_USE_PSRAM_ALLOC_LVGL
 
-/*
-* Enable non-latin languages support:
-*/
+#undef STANDARD_BACKPLANE
+#define EXTERNAL_DAC_BACKPLANE
+
+/**
+ * Enable non-latin languages support:
+ */
 #define USE_EXTENDED_CHARSET CHARSET_CYRILLIC
 
-/*
-    * firmware version string
-    */
+/**
+ * firmware version string
+ */
 #define __FIRMWARE__ "2021012701"
 
 #ifdef __cplusplus // Allows to include config.h from C code

src/espnow.cpp

@@ -1,11 +1,13 @@
 #include "config.h"
+
 #include <Arduino.h>
 #include <esp_now.h>
 #include <WiFi.h>
 #include <esp_wifi.h>
 #include <TTGO.h>
 #include "esp_wifi_types.h" // RSSI signal strength
 #include "power.h"
+#include "sound.h"
 #include "ui.h"
 
 int tickReceived = 0;
@@ -15,15 +17,13 @@ uint8_t broadcastAddress[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
 //uint8_t broadcastAddress[] = {0xC4, 0x4F, 0x33, 0x7F, 0xCE, 0xF9};
 
 const wifi_promiscuous_filter_t filt = {
-    .filter_mask=WIFI_PROMIS_FILTER_MASK_ALL
-};
+    .filter_mask = WIFI_PROMIS_FILTER_MASK_ALL};
 
 String getStats()
 {
     char result[32];
     snprintf(result, 32, "%d/%d", tickSent, tickReceived);
     return String(result);
-
 }
 
 void formatMacAddress(const uint8_t *macAddr, char *buffer, int maxLength)
@@ -204,7 +204,7 @@ void espnow_setup()
         peerInfo.channel = 1;
         peerInfo.ifidx = WIFI_IF_STA;
         peerInfo.encrypt = false;
-        
+
         if (!esp_now_is_peer_exist(broadcastAddress))
         {
             log_i("Adding peer 0xffffffffff");
@@ -231,9 +231,10 @@ void espnow_loop()
         [network id] - Exterally created?? WIFI names?
     */
 
-   // esp_now_unregister_recv_cb();
-   // esp_now_register_recv_cb(onDataReceived);
+    // esp_now_unregister_recv_cb();
+    // esp_now_register_recv_cb(onDataReceived);
 
     // log_i("WiFi.isConnected = %d", WiFi.isConnected());
     broadcast();
+    sound_play_beep();
 }

src/main.cpp

@@ -4,6 +4,7 @@
 #include <TTGO.h>
 #include "espnow.h"
 #include "power.h"
+#include "sound.h"
 #include "touch.h"
 #include "ui.h"
 
@@ -36,10 +37,10 @@ void setup()
   initializeUI();
   power_setup();
   espnow_setup();
+  sound_setup();
   initializeTouch();
 
   tick = 0;
-
 }
 
 void loop()
@@ -54,53 +55,59 @@ void loop()
 
     // log_i("Touch loop...");
     touch_loop();
+    sound_loop();
 
     // check for sleep timeout
-    if (isTouched()) {
+    if (isTouched())
+    {
 
       // touched
-      if (getTickTouch() == 1) {
+      if (getTickTouch() == 1)
+      {
         drawStatsUI();
         initializeTouchUI();
       }
 
       drawTouchUI();
 
-      if (tick % 5 == 0 || getTickTouch() == 1) {
+      if (tick % 5 == 0 || getTickTouch() == 1)
+      {
         // every 1s
         // log_i("Comms loop...");
         espnow_loop();
       }
       tickSleepTimeout = 0;
     }
-    else {
+    else
+    {
 
       // not touched
       tickSleepTimeout++;
-      if (tickSleepTimeout == 1) { 
+      if (tickSleepTimeout == 1)
+      {
         removeTouchUI();
         drawStatsUI();
       }
 
       /// log_i("No touch ... tickSleepTimeout %d", tickSleepTimeout);
 
-      if (tickSleepTimeout > 500) {
+      if (tickSleepTimeout > 500)
+      {
         // timeout after 5s
         tickSleepTimeout = 0;
         sleep();
       }
 
-      if (tick % 10 == 0) {
+      if (tick % 10 == 0)
+      {
         // every 1s
         // log_i("Power loop...");
         button_loop();
-      }    
-
+      }
     }
 
     tick = tick % 300;
     delay(100);
-
   }
   else
   {
@@ -109,10 +116,12 @@ void loop()
 
     // log_i("Touch loop...");
     touch_loop();
-
-    if (isTouched()) {
+
+    if (isTouched())
+    {
       wakeUp();
       espnow_setup();
+      sound_setup();
       drawWakeUpUI();
     }
 

src/power.cpp

@@ -96,7 +96,7 @@ void sleep()
     Serial.flush();
     // esp_deep_sleep_start(); // See readme... requires other configuration.
     ttgo->powerOff();
-    
+
     sleeping = true;
     // esp_light_sleep_start();
 }

src/sound.cpp

@@ -0,0 +1,51 @@
+#include "config.h"
+#include <Arduino.h>
+#include <TTGO.h>
+
+#include <AudioFileSourcePROGMEM.h>
+#include "AudioGeneratorWAV.h"
+#include <AudioOutputI2S.h>
+#include "ESP8266SAM.h"
+#include "sound_beep.h"
+
+TTGOClass *ttgo;
+AudioGeneratorWAV *wav;
+AudioFileSourcePROGMEM *file;
+AudioOutputI2S *out;
+ESP8266SAM *sam;
+
+void sound_speak(const char *str)
+{
+    log_i("Speak text", str);
+    sam->Say(out, str);
+    out->stop();
+}
+
+void sound_play_beep()
+{
+    log_i("Sound play beep");
+    file = new AudioFileSourcePROGMEM(beep_wav, beep_wav_len);
+    wav->begin(file, out);
+}
+
+void sound_setup()
+{
+    TTGOClass *ttgo = TTGOClass::getWatch();
+    ttgo->enableLDO3(); // Turn on the audio power
+    sam = new ESP8266SAM();
+    sam->SetVoice(sam->VOICE_SAM);
+    wav = new AudioGeneratorWAV();
+    out = new AudioOutputI2S();
+    out->SetPinout(TWATCH_DAC_IIS_BCK, TWATCH_DAC_IIS_WS, TWATCH_DAC_IIS_DOUT);
+    out->SetGain(0.1);
+    sound_speak("Hi, how are you?");
+}
+
+void sound_loop()
+{
+    if (wav->isRunning() && !wav->loop())
+    {
+        log_i("stop playing wav sound");
+        wav->stop();
+    }
+}

src/sound.h

@@ -0,0 +1,19 @@
+#include <Arduino.h>
+
+#ifndef _SOUND_H
+#define _SOUND_H
+
+/*
+ * Play a sound
+ */
+void sound_setup();
+void sound_loop();
+/**
+ * @brief speak
+ *  
+ * @param   str    the text to be spoken
+ */
+void sound_speak(const char *str);
+void sound_play_beep();
+
+#endif // _SOUND_H