play_from_cache.ino

/**
 * @example play_from_cache.ino
 */
 
#include "tts.h"
 
#define INFINITE_LOOP_ON_FAILURE InfiniteLoopOnFailure(__FUNCTION__, __LINE__)
 
namespace {
emakefun::Tts g_tts;  // 创建tts实例
 
void InfiniteLoopOnFailure(const char* function, const uint32_t line_number) {
  Serial.println(String(F("entering an infinite loop due to failure in ")) + function + F(", at line number: ") + line_number);
  while (true) {
    yield();
  }
}
}  // namespace
 
void setup() {
  Serial.begin(115200);
  Serial.println(F("setup"));
  Wire.begin();
  const auto ret = g_tts.Initialize();
  if (emakefun::Tts::kOK == ret) {
    Serial.println(F("tts module initialization successful"));
  } else {
    Serial.println(String(F("tts module initialization failed: ")) + ret);
    INFINITE_LOOP_ON_FAILURE;
  }
  Serial.println(F("setup successful"));
}
 
void loop() {
  // 将文本1内容上传到缓存块0
  g_tts.PushTextToCache(F("一二三四五"), 0);
 
  // 将文本2内容上传到缓存块1
  g_tts.PushTextToCache(F("六七八九十"), 1);
 
  // 开始从缓存区域合成播放文本，合成播放1次
  g_tts.PlayFromCache();
 
  delay(3000);
}