Added I2SRtttl command (#18423)

tasmota/tasmota_xdrv_driver/xdrv_42_0_i2s_audio.ino

@@ -223,6 +223,10 @@ void sayTime(int hour, int minutes);
 void Cmd_MicRec(void);
 void Cmd_wav2mp3(void);
 void Cmd_Time(void);
+#ifdef USE_I2S_RTTTL
+void Rtttl(char *buffer);
+void Cmd_I2SRtttl(void);
+#endif
 
 void copy_micpars(uint32_t port) {
   audio_i2s.mic_mclk = audio_i2s.mclk;
@@ -606,6 +610,9 @@ const char kI2SAudio_Commands[] PROGMEM = "I2S|"
 #ifdef USE_I2S_SAY_TIME
   "|Time"
 #endif // USE_I2S_SAY_TIME
+#ifdef USE_I2S_RTTTL
+  "|Rtttl"
+#endif
 #ifdef ESP32
   "|Play"
 #ifdef USE_I2S_WEBRADIO
@@ -629,6 +636,9 @@ void (* const I2SAudio_Command[])(void) PROGMEM = {
 #ifdef USE_I2S_SAY_TIME
   ,&Cmd_Time
 #endif // USE_I2S_SAY_TIME
+#ifdef USE_I2S_RTTTL
+  ,&Cmd_I2SRtttl
+#endif
 #ifdef ESP32
   ,&Cmd_Play
 #ifdef USE_I2S_WEBRADIO
@@ -671,6 +681,15 @@ void Cmd_Say(void) {
   ResponseCmndChar(XdrvMailbox.data);
 }
 
+#ifdef USE_I2S_RTTTL
+void Cmd_I2SRtttl(void) {
+  if (XdrvMailbox.data_len > 0) {
+    Rtttl(XdrvMailbox.data);
+  }
+  ResponseCmndChar(XdrvMailbox.data);
+}
+#endif
+
 /*********************************************************************************************\
  * Interface
 \*********************************************************************************************/

tasmota/tasmota_xdrv_driver/xdrv_42_6_i2s_rtttl.ino

@@ -0,0 +1,54 @@
+
+/*
+  audio is2 RTTTL
+
+  Copyright (C) 2023  Fernando Pena López
+
+  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/>.
+*/
+#if (defined(USE_I2S_AUDIO) || defined(USE_TTGO_WATCH) || defined(USE_M5STACK_CORE2) || defined(ESP32S3_BOX))
+#ifdef USE_I2S_RTTTL
+#include "AudioFileSourcePROGMEM.h"
+#include "AudioGeneratorRTTTL.h"
+
+void Rtttl(char *buffer);
+
+void Rtttl(char *buffer) {
+
+  if (!audio_i2s.out) return;
+
+  AudioGeneratorRTTTL *rtttl;
+  AudioFileSourcePROGMEM *file = NULL;
+
+  file = new AudioFileSourcePROGMEM(buffer, strlen(buffer));
+  rtttl = new AudioGeneratorRTTTL();
+
+  AUDIO_PWR_ON
+  rtttl->begin(file, audio_i2s.out);
+
+  while(rtttl->isRunning()) {
+    if (!rtttl->loop()) {
+      rtttl->stop();
+    } else {
+      delay(1); // Keep the dog happy
+    }
+  }
+
+  audio_i2s.out->stop();
+  AUDIO_PWR_OFF
+  delete rtttl;
+  delete file;
+}
+#endif // USE_I2S_RTTTL
+#endif // is2audio