void VolumeBoxOnPress() {
unsigned int temp;
temp = Xcoord - VolumeBox.Left;
temp = temp * 100;
sound_level = temp / VolumeBox.Width;
MP3_Set_Volume(100 - sound_level, 100 - sound_level);
UpdateVolumeBar(sound_level, old_sound_level);
UART1_Write_Label_Var("Sound Volume:", sound_level );
old_sound_level = sound_level;
//Mute the audio if the sound is lower than 10% volume
if (sound_level <= 10){
muteSound = 1;
if(prev_muteSound == 0){
UART1_Write_Line("Muting Sound.");
}
}
else{
muteSound = 0;
if(prev_muteSound == 1){
UART1_Write_Line("Sound On.");
}
}
}
//***********************************************//
//MP3_Init
//Prototype: void MP3_Init(void)
//Description: initial vs1011e chip
//Returns: None.
//***********************************************//
void MP3_Init()
{
MP3_pin_init();
// Clear BSYNC
// Hardware reset
MP3_reset();
while (!DREQ);
MP3_SCI_Write(SCI_MODE_ADDR, 0x0800); //mode new
MP3_SCI_Write(SCI_BASS_ADDR, 0x7A00);
MP3_SCI_Write(SCI_CLOCKF_ADDR,0x9800); // default 12 288 000 Hz
// // Maximum volume is 0x00 and total silence is 0xFE.
//
// // volume_right = 40; //0x3F;
MP3_Set_Volume( 40, 40);
Delay_ms(500);
}
//************************************************//
//MP3_soft_reset
//Prototype: void MP3_soft_reset(unsigned char)
//Parameters: volume value after reset.
//Description: perform software reset for vs1011e, and set new volume.
//Returns: None.
//***********************************************//
void MP3_soft_reset(unsigned char volume)
{
MP3_SCI_Write(SCI_MODE_ADDR ,0x0804) ;
Delay_ms(1); /* One millisecond delay */
while (!DREQ) /* wait for startup */
;
Delay_ms(100);
MP3_SCI_Write(SCI_MODE_ADDR, 0x0800); //mode new
MP3_SCI_Write(SCI_BASS_ADDR, 0x7A00);
MP3_SCI_Write(SCI_CLOCKF_ADDR,0x9800); // default 12 288 000 Hz
// Delay_ms(200); /* One millisecond delay */
MP3_Set_Volume(volume, volume);
Delay_ms(100);
MP3_SDI_Write(0x00);
MP3_SDI_Write(0x00);
MP3_SDI_Write(0x00);
MP3_SDI_Write(0x00);
Delay_ms(100);
}
