Arduino スケッチ
posted by 
imochoco on October 14, 2018
imochoco on October 14, 2018[code]
/***************************************************
DFPlayer - A Mini MP3 Player For Arduino
<https://www.dfrobot.com/index.php?route=product/product&search=mp3&description=true&product_id=1121>
***************************************************
This example shows the basic function of library for DFPlayer.
Created 2014-8-28
By [Angelo qiao](Angelo.qiao@dfrobot.com)
GNU Lesser General Public License.
See <http://www.gnu.org/licenses/> for details.
All above must be included in any redistribution
****************************************************/
/***********Notice and Trouble shooting***************
1.Connection and Diagram can be found here
<>
2.This code is tested on Arduino Uno, Leonardo, Mega boards.
****************************************************/
#include "Arduino.h"
#include "SoftwareSerial.h"
#include "DFRobotDFPlayerMini.h"
SoftwareSerial mySoftwareSerial(10, 11); // RX, TX
DFRobotDFPlayerMini myDFPlayer;
void printDetail(uint8_t type, int value);
int pin =A0;
void setup()
{
mySoftwareSerial.begin(9600);
Serial.begin(115200);
pinMode(A0,INPUT);
pinMode(3,INPUT);
Serial.println();
Serial.println(F("DFRobot DFPlayer Mini Demo"));
Serial.println(F("Initializing DFPlayer ... (May take 3~5 seconds)"));
if (!myDFPlayer.begin(mySoftwareSerial)) { //Use softwareSerial to communicate with mp3.
Serial.println(F("Unable to begin:"));
Serial.println(F("1.Please recheck the connection!"));
Serial.println(F("2.Please insert the SD card!"));
while(true){
delay(0); // Code to compatible with ESP8266 watch dog.
}
}
Serial.println(F("DFPlayer Mini online."));
}
void loop()
{
int val;
val = analogRead(pin) ; //アナログ1番ピンからセンサ値を読み込み
Serial.println(val) ; //シリアルモニターへ表示
delay(100) ; //100ms待つ
static unsigned long timer = millis();
if(val<300){//フォトリフレクタの数値が300以下の時音が鳴る
myDFPlayer.volume(20); //Set volume value. From 0 to 30
myDFPlayer.play(1); //Play the first mp3
while(digitalRead(3)==LOW){//D3がHIGHになるまで待つ
}
while(analogRead(A0)<300){//バックルが外れるまで待つ
}
// if (millis() - timer > 3000) {
// timer = millis();
// myDFPlayer.next(); //Play next mp3 every 3 second.
// }
// if (myDFPlayer.available()) {
// printDetail(myDFPlayer.readType(), myDFPlayer.read()); //Print the detail message from DFPlayer to handle different errors and states.
//}
}
void printDetail(uint8_t type, int value){
switch (type) {
case TimeOut:
Serial.println(F("Time Out!"));
break;
case WrongStack:
Serial.println(F("Stack Wrong!"));
break;
case DFPlayerCardInserted:
Serial.println(F("Card Inserted!"));
break;
case DFPlayerCardRemoved:
Serial.println(F("Card Removed!"));
break;
case DFPlayerCardOnline:
Serial.println(F("Card Online!"));
break;
case DFPlayerPlayFinished:
Serial.print(F("Number:"));
Serial.print(value);
Serial.println(F(" Play Finished!"));
break;
case DFPlayerError:
Serial.print(F("DFPlayerError:"));
switch (value) {
case Busy:
Serial.println(F("Card not found"));
break;
case Sleeping:
Serial.println(F("Sleeping"));
break;
case SerialWrongStack:
Serial.println(F("Get Wrong Stack"));
break;
case CheckSumNotMatch:
Serial.println(F("Check Sum Not Match"));
break;
case FileIndexOut:
Serial.println(F("File Index Out of Bound"));
break;
case FileMismatch:
Serial.println(F("Cannot Find File"));
break;
case Advertise:
Serial.println(F("In Advertise"));
break;
default:
break;
}
break;
default:
break;
}
}
[/code]