void LD_Init_MP3()
{
nLD_Mode = LD_MODE_MP3;
LD_Init_Common();
LD_WriteReg(0xBD,0x02);
LD_WriteReg(0x17, 0x48);
delay(10);
LD_WriteReg(0x85, 0x52);
LD_WriteReg(0x8F, 0x00);
LD_WriteReg(0x81, 0x00);
LD_WriteReg(0x83, 0x00);
LD_WriteReg(0x8E, 0xff);
LD_WriteReg(0x8D, 0xff);
delay(1);
LD_WriteReg(0x87, 0xff);
LD_WriteReg(0x89, 0xff);
delay(1);
LD_WriteReg(0x22, 0x00);
LD_WriteReg(0x23, 0x00);
LD_WriteReg(0x20, 0xef);
LD_WriteReg(0x21, 0x07);
LD_WriteReg(0x24, 0x77);
LD_WriteReg(0x25, 0x03);
LD_WriteReg(0x26, 0xbb);
LD_WriteReg(0x27, 0x01);
}
void LD_Init_MP3(void) //播放初始化
{
nLD_Mode = LD_MODE_MP3; //当前进行MP3播放
LD_Init_Common(); //通用初始化
ld3320_write_reg(0xBD,0x02); //内部增益控制 初始化时写入FFH
ld3320_write_reg(0x17, 0x48); //写48H可以激活DSP
delay_ms(10);
ld3320_write_reg(0x85, 0x52); //内部反馈设置 初始化时写入52H
ld3320_write_reg(0x8F, 0x00); //LineOut(线路输出)选择 初始化时写入00H
ld3320_write_reg(0x81, 0x00); //耳机左音量 设置为00H为最大音量
ld3320_write_reg(0x83, 0x00); //耳机右音量 设置为00H为最大音量
ld3320_write_reg(0x8E, 0xff); //喇叭输出音量 本寄存器设置为00H为最大音量 此处声音关闭
ld3320_write_reg(0x8D, 0xff); //内部增益控制 初始化时写入FFH
delay_ms(10);
ld3320_write_reg(0x87, 0xff); //模拟电路控制 MP3播放初始化时写 FFH
ld3320_write_reg(0x89, 0xff); //模拟电路控制 MP3播放时写 FFH
delay_ms(10);
ld3320_write_reg(0x22, 0x00); //FIFO_DATA下限低8位
ld3320_write_reg(0x23, 0x00); //FIFO_DATA下限高8位
ld3320_write_reg(0x20, 0xef); //FIFO_DATA上限低8位
ld3320_write_reg(0x21, 0x07); //FIFO_DATA上限高8位
ld3320_write_reg(0x24, 0x77);
ld3320_write_reg(0x25, 0x03);
ld3320_write_reg(0x26, 0xbb);
ld3320_write_reg(0x27, 0x01);
}
static void LD_Init_ASR(void)
{
LD_Init_Common();
LD_WriteReg(0xBD, 0x00);
LD_WriteReg(0x17, 0x48);
delay(5);
LD_WriteReg(0x3C, 0x80);
LD_WriteReg(0x3E, 0x07);
LD_WriteReg(0x38, 0xff);
LD_WriteReg(0x3A, 0x07);
LD_WriteReg(0x40, 0);
LD_WriteReg(0x42, 8);
LD_WriteReg(0x44, 0);
LD_WriteReg(0x46, 8);
delay(1);
}
void LD_Init_ASR()
{
nLD_Mode=LD_MODE_ASR_RUN;
LD_Init_Common();
LD_WriteReg(0xBD, 0x00);
LD_WriteReg(0x17, 0x48);
delay( 10 );
LD_WriteReg(0x3C, 0x80);
LD_WriteReg(0x3E, 0x07);
LD_WriteReg(0x38, 0xff);
LD_WriteReg(0x3A, 0x07);
LD_WriteReg(0x40, 0);
LD_WriteReg(0x42, 8);
LD_WriteReg(0x44, 0);
LD_WriteReg(0x46, 8);
delay( 1 );
}
void LD_Init_ASR(void)
{
nLD_Mode=LD_MODE_ASR_RUN; //当前进行语音识别
LD_Init_Common(); //通用初始化
ld3320_write_reg(0xBD, 0x00); //
ld3320_write_reg(0x17, 0x48); //写48H可以激活DSP
delay_ms( 10 );
ld3320_write_reg(0x3C, 0x80);
ld3320_write_reg(0x3E, 0x07);
ld3320_write_reg(0x38, 0xff);
ld3320_write_reg(0x3A, 0x07);
delay_ms( 10 );
ld3320_write_reg(0x40, 0);
ld3320_write_reg(0x42, 8);
ld3320_write_reg(0x44, 0);
ld3320_write_reg(0x46, 8);
delay_ms( 10 );
}
