// reset for vs10xx
void VS10XX::reset()
{
putInReset();
delay(100);//it is a must
/* Send dummy SPI byte to initialize atmel SPI */
////SPIPutCharWithoutWaiting(0xFF);
deselectControlBus();
deselectDataBus();
releaseFromReset();
while (!readDREQ());
/* Set clock register, doubler etc. */
writeRegister(SPI_CLOCKF, 0xc0, 0x00);
Serial.print("\r\nClockF:");
Serial.println(readRegister(SPI_CLOCKF),HEX);
/* Wait for DREQ */
while (!readDREQ());
softReset();//comment this, as it will be executed everytime playing a music file.
writeRegister(SPI_WRAMADDR, 0xc0, 0x13);
/* Switch on the analog parts */
setVolume(40,40);
//setVolume(0xff,0xff);
//SPISetFastClock();
}
void VS10XX::writeRegister(unsigned char addressbyte,unsigned char highbyte,unsigned char lowbyte)
{
// while (!readDREQ());
deselectDataBus();
selectControlBus();
newSPI.transmit(VS_WRITE_COMMAND);
newSPI.transmit((addressbyte));
newSPI.transmit((highbyte));
newSPI.transmit((lowbyte));
deselectControlBus();
}
unsigned int VS10XX::readRegister (unsigned char addressbyte)
{
unsigned int result = 0;
unsigned char highbyte = 0;
unsigned char lowbyte = 0;
deselectDataBus();
selectControlBus();//XCS = 0
newSPI.transmit(VS_READ_COMMAND); //send read command
newSPI.transmit(addressbyte); //send register address
//be careful: when read 0xff,dump it,and read agin
//while((h = SPIGetChar())== 0xff);
highbyte = newSPI.receive();
//while((l = VsReadByte())== 0xff);
lowbyte = newSPI.receive();
result = (((unsigned int) highbyte << 8) | lowbyte);
deselectControlBus();
return result;
}
