first commit

libraries/M5Unified/examples/Advanced/Speak_with_AquesTalk/Speak_with_AquesTalk.ino

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+
+#include <M5UnitLCD.h>
+#include <M5UnitOLED.h>
+#include <M5Unified.h>
+
+/// need AquesTalk library. ( URL : https://www.a-quest.com/ )
+#include <aquestalk.h>
+
+/// set M5Speaker virtual channel (0-7)
+static constexpr uint8_t m5spk_virtual_channel = 0;
+
+static constexpr uint8_t LEN_FRAME = 32;
+
+static uint32_t workbuf[AQ_SIZE_WORKBUF];
+static TaskHandle_t task_handle = nullptr;
+volatile bool is_talking = false;
+
+static void talk_task(void*)
+{
+  int16_t wav[3][LEN_FRAME];
+  int tri_index = 0;
+  for (;;)
+  {
+    ulTaskNotifyTake( pdTRUE, portMAX_DELAY ); // wait notify
+    while (is_talking)
+    {
+      uint16_t len;
+      if (CAqTkPicoF_SyntheFrame(wav[tri_index], &len)) { is_talking = false; break; }
+      M5.Speaker.playRaw(wav[tri_index], len, 8000, false, 1, m5spk_virtual_channel, false);
+      tri_index = tri_index < 2 ? tri_index + 1 : 0;
+    }
+  }
+}
+
+/// 音声再生の終了を待機する;
+static void waitAquesTalk(void)
+{
+  while (is_talking) { vTaskDelay(1); }
+}
+
+/// 音声再生を停止する;
+static void stopAquesTalk(void)
+{
+  if (is_talking) { is_talking = false; vTaskDelay(1); }
+}
+
+/// 音声再生を開始する。(再生中の場合は中断して新たな音声再生を開始する) ;
+static void playAquesTalk(const char *koe)
+{
+  stopAquesTalk();
+
+  M5.Display.printf("Play:%s\n", koe);
+
+  int iret = CAqTkPicoF_SetKoe((const uint8_t*)koe, 100, 0xFFu);
+  if (iret) { M5.Display.println("ERR:CAqTkPicoF_SetKoe"); }
+
+  is_talking = true;
+  xTaskNotifyGive(task_handle);
+}
+
+void setup(void)
+{
+  auto cfg = M5.config();
+
+  // If you want to play sound from ModuleDisplay, write this
+//  cfg.external_speaker.module_display = true;
+
+  // If you want to play sound from ModuleRCA, write this
+//  cfg.external_speaker.module_rca     = true;
+
+  // If you want to play sound from HAT Speaker, write this
+  cfg.external_speaker.hat_spk        = true;
+
+  // If you want to play sound from HAT Speaker2, write this
+//  cfg.external_speaker.hat_spk2       = true;
+
+  // If you want to play sound from ATOMIC Speaker, write this
+  cfg.external_speaker.atomic_spk     = true;
+
+  M5.begin(cfg);
+
+  xTaskCreateUniversal(talk_task, "talk_task", 4096, nullptr, 1, &task_handle, APP_CPU_NUM);
+/*
+  /// Increasing the sample_rate will improve the sound quality instead of increasing the CPU load.
+  auto spk_cfg = M5.Speaker.config();
+  spk_cfg.sample_rate = 96000; // default:64000 (64kHz)  e.g. 48000 , 50000 , 80000 , 96000 , 100000 , 128000 , 144000 , 192000 , 200000
+  M5.Speaker.config(spk_cfg);
+//*/
+  M5.Speaker.setVolume(128);
+
+  M5.Display.setEpdMode(epd_mode_t::epd_fastest);
+  M5.Display.setTextWrap(true);
+
+  int iret = CAqTkPicoF_Init(workbuf, LEN_FRAME, "XXX-XXX-XXX");
+  if (iret) {
+    M5.Display.println("ERR:CAqTkPicoF_Init");
+  }
+
+  playAquesTalk("akue_suto'-_ku/kido-shima'_shita.");
+  waitAquesTalk();
+  playAquesTalk("botanno/o_shitekudasa'i.");
+}
+
+void loop(void)
+{
+  M5.update();
+
+  if (     M5.BtnA.wasClicked())  { playAquesTalk("kuri'kku"); }
+  else if (M5.BtnA.wasHold())     { playAquesTalk("ho'-rudo"); }
+  else if (M5.BtnA.wasReleased()) { playAquesTalk("riri'-su"); }
+  else if (M5.BtnB.wasReleased()) { playAquesTalk("korewa;te'_sutode_su."); }
+  else if (M5.BtnC.wasReleased()) { playAquesTalk("yukkuri_siteittene?"); }
+}
+
+#if !defined ( ARDUINO )
+extern "C" {
+  void loopTask(void*)
+  {
+    setup();
+    for (;;) {
+      loop();
+    }
+    vTaskDelete(NULL);
+  }
+
+  void app_main()
+  {
+    xTaskCreateUniversal(loopTask, "loopTask", 8192, NULL, 1, NULL, APP_CPU_NUM);
+  }
+}
+#endif