esp32做蓝牙音响,可以改名字,调音量 - 数码之家

#include <EEPROM.h>
#include "BluetoothA2DPSink.h"
BluetoothA2DPSink a2dp_sink;
//===========esp32 对应 NS4168功放芯片脚位
#define pken 12 // CTRL脚 1
#define I2S_DOUT 25 //4
#define I2S_BCLK 27//3
#define I2S_LRC 26//2
#define key1 0 //
#define copy_key1 15 // 收藏
#define xia_key1 2 //=========调节音量
#define bof_mode_key1 0 //
#define shang_key1 4 //=======调节音量
#define set_key1 5 //
unsigned char yingliang;
unsigned char bkyingliang;
bool ksf;
bool kxf;
void setup()
{
delay(10);
Serial.begin(115200);
Serial.println("");
pinMode( copy_key1 ,INPUT_PULLUP); //定义为带上拉输入引脚
pinMode( xia_key1 ,INPUT_PULLUP); //定义为带上拉输入引脚
pinMode( bof_mode_key1 ,INPUT_PULLUP); //定义为带上拉输入引脚
pinMode( shang_key1 ,INPUT_PULLUP); //定义为带上拉输入引脚
pinMode( set_key1 ,INPUT_PULLUP); //定义为带上拉输入引脚
delay(45);
Serial.print("DR0;"); //DR0;
Serial.print("CLS(0);"); //CLS(0);
Serial.print("DS16(10,2,'\xC0\xB6\xD1\xC0',15);"); //DS16(0,0,'蓝牙',15);
Serial.print("DS32(10,40,'ESP32Music',2,0);"); //
Serial.print("\r\n");
delay(45);
delay(100);
EEPROM.begin(128);
delay(100);
Serial.println("");
int eeg = EEPROM.read( 7 );
Serial.print("===读取储存7=");
Serial.println( eeg );
if( eeg != 8 )
{
yingliang=0x50;
EEPROM.write(7, 8 );
EEPROM.write(6 , 0x50 );//80 % 音量
EEPROM.commit();
delay( 22 );
}
eeg = EEPROM.read( 7 );
Serial.print("===读取储存7=");
Serial.println( eeg );
delay( 22 );
yingliang = EEPROM.read( 6 ) ;
delay( 22 );
Serial.print("===读取储存音量=");
Serial.println( yingliang );
if( yingliang<=0)
yingliang=0;
if( yingliang>=99)
yingliang=99;
bkyingliang =yingliang+1;
pinMode( pken , OUTPUT );// 喇叭
delay( 22 );
digitalWrite( pken , 0 );
delay( 22 );
i2s_pin_config_t my_pin_config =
{
.bck_io_num = 27,
.ws_io_num = 26,
.data_out_num = 25,
.data_in_num = I2S_PIN_NO_CHANGE
};
a2dp_sink.set_pin_config(my_pin_config);
a2dp_sink.start("ESP32Music");//蓝牙名称
a2dp_sink.set_volume( yingliang ); //21
delay( 200 );
digitalWrite( pken , 1 );
delay( 22 );
}
String daosstt="";
void loop()
{
//====================================
//========= 调节音量并断电保存
if (digitalRead( xia_key1 )==0 )
{
if(kxf)
{
kxf=0;
if(yingliang>0)
yingliang--;
}
}
else
{
kxf=1;
}
if (digitalRead( shang_key1 )==0 )
{
if(ksf)
{
ksf=0;
if(yingliang<99)
yingliang++;
}
}
else
{
ksf=1;
}
if(bkyingliang !=yingliang)
{
bkyingliang =yingliang;
a2dp_sink.set_volume( yingliang ); //21
daosstt="";
daosstt+="DS32(10,90,'";
if(yingliang<10)
daosstt+="0";
daosstt+= String( yingliang );
daosstt+="',4,0);";
daosstt+="\r\n";
Serial.print( daosstt );
delay(35 );
EEPROM.write(6 , yingliang );
EEPROM.commit();
delay(35 );
}
delay(1);
}

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