Fireduino Buy

Dual-Core Cortex-M3 processor, integrated high-quality audio Codec and WiFi module, have IOT expansion performance, perfectly compatible with the Arduino interface and Arduino IDE programming, and supports FireBlock graphics programming.

Audio

Update time:2018-04-13 Views:3057

Fireduino Audio

Fireduino internal integration of HIFI level of high-quality audio decoder, specialized hardware accelerators to decode MP3, low-loss audio decoding hardware accelerators and rich peripheral support WI-FI protocol, support 24bits 192k Hz sampling rate, low loss, low power consumption audio decoding.

Fireduino support playback on SD cards and network audio file decoding format support APE / FLAC / WAV / MP3 / WMA / AAC / OGG;

Fireduino  Audio API providing the operating of play, pause, stop, and set and get the volume。

Fireduino Audio Struct

// playing statustypedef enum{
	AudioFailed = 0,
	AudioPlay ,
	AudioPause ,
	AudioStop ,}AudioStatus;
typedef enum{
	AUDIO_SD,         // SD
	AUDIO_NET    	  // NET}Storage;

Fireduino Audio API

begin(...)

   Description 
       Initialization Audio.
  
   Syntax
       Audio.begin(AUDIO_NET);
       Audio.begin(AUDIO_SD);

   Parameter
       Storage:AUDIO_SD、AUDIO_NET  

   Returns 
       None

playFile(...)

   Description
       Play the specified file.
  
   Syntax
       Audio.playFile("\\4.MP3");

   Parameter 
       char * :File path 

   Returns 
       None

playNetFile(...)

   Description 
       Address broadcasting network resources (support only http protocol).
  
   Syntax        Audio.playNetFile("");

   Parameter 
      char* : network address resources.

   Returns 
       None

setVolume(...)

   Description 
       Setting the sound volume
  
   Syntax
        Audio. setVolume(16);

   Parameter 
      int :Sound volume(0~31)

   Returns 
       None

getVolume(...)

   Description 
       Get sound size.
  
   Syntax
      Audio. getVolume();

   Parameter
      None

   Returns 
      Volume value

pause()

   Description 
       Pause playback.
  
   Syntax
       Audio. pause();

   Parameter 
       None

   Returns 
       None

resume()

   Description 
       Resume playback.
  
   Syntax
       Audio. resume();

   Parameter 
       None

   Returns 
       None

stop()

   Description 
       Stop play.
  
   Syntax
      Audio. stop();

   Parameter 
       None

   Returns
       None

getStatus()

   Description 
       Get playback.
  
   Syntax
       Audio. getStatus();

   Parameter
       None

   Returns
      return status

end()

   Description 
       End use Audio, and begin the opposite.
  
   Syntax
       Audio. end();

   Parameter 
       None

   Returns 
       None

Fireduino Audio Example

#include <Arduino.h>#include "TF.h"#include "Audio.h"#include <WiFi.h> char ssid[] = "Fireduino";     //  your network SSID (name)char pass[] = "12345678";  // your network passwordint status = WL_IDLE_STATUS; //#define PLAY_SD void printWifiStatus();void setup() { 
	Serial.begin(115200);
	Serial.print("\r\narduino setup ...\r\n"); 	if(!SD.begin()){
		Serial.println("sd init err\r\n");while(1);}#ifndef PLAY_SD
  // check for the presence of the shield:
  if (WiFi.status() == WL_NO_SHIELD) {Serial.println("WiFi shield not present");// don't continue:while (true);
  } 
  String fv = WiFi.firmwareVersion();
  if (fv != "1.1.0") {Serial.println("Please upgrade the firmware");
  }   // attempt to connect to Wifi network:
  while (status != WL_CONNECTED) {Serial.print("Attempting to connect to SSID: ");Serial.println(ssid);// Connect to WPA/WPA2 network. Change this line if using open or WEP network:status = WiFi.begin(ssid, pass); // wait 10 seconds for connection:// delay(10000);
  }
  Serial.println("Connected to wifi");
  printWifiStatus();#endif #ifdef PLAY_SD
	Audio.begin(AUDIO_SD);if(Audio){
		Audio.playFile("\\4.MP3");}#else
	Audio.begin(AUDIO_NET);
	Audio.playNetFile("http://192.168.199.240/%E6%89%93%E8%80%81%E8%99%8E.MP3");#endif} void loop() {
	Serial.println("loop");#ifdef PLAY_SDif(Audio.getStatus() == AudioStop){
		Audio.playFile("\\3.MP3");}#elseif(Audio.getStatus() == AudioStop){
		Audio.playNetFile("http://192.168.199.240/%E6%89%93%E8%80%81%E8%99%8E.MP3");}#endif} #ifndef PLAY_SDvoid printWifiStatus() {
  // print the SSID of the network you're attached to:
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());   // print your WiFi shield's IP address:
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);   // print the received signal strength:
  long rssi = WiFi.RSSI();
  Serial.print("signal strength (RSSI):");
  Serial.print(rssi);
  Serial.println(" dBm");}#endif