/*******************************************************************************
* Function Name : Mp3Reset
* Description : Reset the VS1003 chip
* Input : None.
* Output : None
* Return : None
*******************************************************************************/
void Mp3Reset(void)
{
ControlReset(SET); //xReset = 0 ��Νvs1003
Delay(10); //����ҝ���ֽھ���Ч���ݣ�����SPI����
SCI_ChipSelect(RESET); //xCS = 1
SDI_ChipSelect(RESET); //xDCS = 1
ControlReset(RESET); //xRESET = 1
Delay(10); //��ʹ100ms
while(DREQ); //�ȴ�DREQΪ��
Delay(10);
Mp3SoftReset(); //vs1003��Ν
}
void Play()
{
playingState = PS_NEXT_SONG;
currentFile = 1;
#if defined(__AVR_ATmega1280__)
// If play/stop button is pressed during boot, enter recording.
if (0== PSKey)
{
delay(20);
while(0 == PSKey);
delay(20);
Record();
}
#endif
//cyclely play
while(1)
{
//CheckPlay();
CheckKey();
if(1 ==playStop)
{
if(OpenFile(currentFile))
{
//if open failed, then try it again
if(OpenFile(currentFile))
{
playStop = 0;
playingState = PS_NEXT_SONG;
currentFile = 1;
continue;
}
}
PlayCurrentFile();
if (playingState == PS_PREVIOUS_SONG) currentFile--;
if (playingState == PS_NEXT_SONG) currentFile++;
if (currentFile==0) currentFile = 1;
//if (playingState == PS_END_OF_SONG) playingState = PS_NORMAL;
Mp3SoftReset();
}
}
}
void VS1053_Start()
{
ControlReset(SET);
Delay(100);
SPIPutChar(0xFF);
SCI_ChipSelect(RESET);
SDI_ChipSelect(RESET);
ControlReset(RESET);
Mp3SoftReset();
Delay(100);
while(GPIO_ReadInputDataBit(DREQ_PORT,DREQ_PIN) == 0);
Mp3WriteRegister(SPI_MODE,0x08,0x00);
Mp3WriteRegister(SPI_CLOCKF,0x98,0x00);
Mp3WriteRegister(SPI_AUDATA,0xAC,0x45);
Mp3WriteRegister(SPI_BASS,0x08,0x00);
Mp3WriteRegister(SPI_VOL,0x0B,0x0B);
Mp3WriteRegister(SPI_STATUS,0,0b00110011);
while(GPIO_ReadInputDataBit(DREQ_PORT,DREQ_PIN) == 0);
}
