void SPIClass::begin(MOSI mosi, MISO miso, SCK sck)
{
USPICTL=BIT(SPICP1)|BIT(SPIEN)|BIT(SPIBLOCK);
pinMode(mosi, OUTPUT);
pinMode(miso, INPUT);
pinMode(sck, OUTPUT);
pinModePPS(sck,HIGH);
pinModePPS(mosi,HIGH);
outputPinForFunction( mosi, IOPIN_USPI_MOSI );
outputPinForFunction( sck, IOPIN_USPI_SCK);
inputPinForFunction( miso, IOPIN_USPI_MISO );
}
/* Constructor
*/
ZPU_WM8731::ZPU_WM8731(uint32_t clock_i, uint32_t bclk_o, uint32_t dac_data_o, uint32_t dac_lrc_o)
{
pinMode(clock_i, INPUT ); // Define FPGA pin as an input
inputPinForFunction(clock_i, WM8731_CLOCK); // Connect FPGA line to PPS bit
pinMode(bclk_o, OUTPUT);
pinModePPS(bclk_o, HIGH);
outputPinForFunction(bclk_o, WM8731_BCLK);
pinMode(dac_data_o, OUTPUT);
pinModePPS(dac_data_o, HIGH);
outputPinForFunction(dac_data_o, WM8731_DAC_DATA);
pinMode(dac_lrc_o, OUTPUT);
pinModePPS(dac_lrc_o, HIGH);
outputPinForFunction(dac_lrc_o, WM8731_DAC_LRC);
}
void RETROCADE::initSD()
{
int i;
USPICTL=BIT(SPICP1)|BIT(SPICPOL)|BIT(SPISRE)|BIT(SPIEN)|BIT(SPIBLOCK);
outputPinForFunction( SDIPIN, IOPIN_USPI_MOSI );
pinModePPS(SDIPIN,HIGH);
pinMode(SDIPIN,OUTPUT);
outputPinForFunction( SCKPIN, IOPIN_USPI_SCK);
pinModePPS(SCKPIN,HIGH);
pinMode(SCKPIN,OUTPUT);
pinModePPS(CSPIN,LOW);
pinMode(CSPIN,OUTPUT);
inputPinForFunction( SDOPIN, IOPIN_USPI_MISO );
pinMode(SDOPIN,INPUT);
Serial.println("Starting SD Card");
digitalWrite(CSPIN,HIGH);
for (i=0;i<51200;i++)
USPIDATA=0xff;
digitalWrite(CSPIN,LOW);
for (i=0;i<51200;i++)
USPIDATA=0xff;
if (!SD.begin(CSPIN)) {
Serial.println("init failed!");
Serial.println(SD.errorCode());
sdFs = false;
} else {
Serial.println("done.");
sdFs = true;
}
//root = SD.open("/");
}
void SPIClass::begin(MOSI mosi, MISO miso, SCK sck)
{
if (deviceBegin(VENDOR_ZPUINO, PRODUCT_ZPUINO_SPI)!=0) {
return;
}
REG(0)=BIT(SPICP1)|BIT(SPIEN)|BIT(SPIBLOCK);
pinMode(mosi, OUTPUT);
pinMode(miso, INPUT);
pinMode(sck, OUTPUT);
pinModePPS(sck,HIGH);
pinModePPS(mosi,HIGH);
int ppspin = DeviceRegistry::getPPSOutputPin( getSlot(), PPS_INDEX_MOSI );
outputPinForFunction( mosi, ppspin );
ppspin = DeviceRegistry::getPPSOutputPin( getSlot(), PPS_INDEX_SCK );
outputPinForFunction( sck, ppspin);
ppspin = DeviceRegistry::getPPSInputPin( getSlot(), PPS_INDEX_MISO );
inputPinForFunction( miso, ppspin );
}
void setup(void)
{
// setup 1KHz timer
setupTimer();
// init LCD
LCD_init();
// init PPS
// SPKR thru PPS
pinMode(OUTPUTPIN,OUTPUT);
pinModePPS(OUTPUTPIN,HIGH);
outputPinForFunction( OUTPUTPIN, 14);
/* set all the channels to same frequency, max level, no noise */
/*unsigned int slots[] = { 10, 11 };
unsigned int i;
ym2149_channel_t chan;
for (i = 0; i < sizeof(slots) / sizeof(slots[0]); ++i)
{
// select the YM module
setDeviceSlot(slots[i]);
for (chan = YM2149_CH_A; chan < YM2149_CH_MAX; ++chan)
{
setChannelFrequency(chan, 0x0500);
setChannelMixerNoise(chan, 1); // 1 means disabled
setChannelMixerTone(chan, 0);
setChannelVolume(chan, 0x0f);
}
}*/
setDeviceSlot(10);
setChannelFrequency(YM2149_CH_C, 0x0500);
setChannelMixerNoise(YM2149_CH_C, 1); // 1 means disabled
setChannelMixerTone(YM2149_CH_C, 0);
setChannelVolume(YM2149_CH_C, 0x0f);
pokey_setDeviceSlot(12);
pokey_channel_t pokchan;
for (pokchan = POKEY_CH_A; pokchan < POKEY_CH_D; ++pokchan)
{
pokey_setChannelPeriodMultiplier(pokchan, 0x90);
pokey_setChannelControl(pokchan, 0x00);
}
pokey_setAudioCtrl(0x0);
}
void Zpu_ILI9340::begin(void)
{
// SPI.begin(WISHBONESLOT(_slot));
// SPI.begin(MOSI(_mosi), MISO(_miso), SCK(_sclk));
// SPI.setClockDivider(SPI_CLOCK_DIV4); // 8 MHz (full! speed!)
// SPI.setBitOrder(MSBFIRST);
// SPI.setDataMode(SPI_MODE0);
USPICTL=BIT(SPICP1)|BIT(SPICPOL)|BIT(SPISRE)|BIT(SPIEN)|BIT(SPIBLOCK);
pinModePPS(_mosi,HIGH);
pinMode(_mosi, OUTPUT);
outputPinForFunction(_mosi, IOPIN_USPI_MOSI );
pinModePPS(_sclk,HIGH);
pinMode(_sclk, OUTPUT);
outputPinForFunction(_sclk, IOPIN_USPI_SCK);
pinMode(_miso, INPUT);
inputPinForFunction(_miso, IOPIN_USPI_MISO );
pinModePPS(_cs, LOW);
pinMode(_cs, OUTPUT);
pinModePPS(_dc, LOW);
pinMode(_dc, OUTPUT);
pinModePPS(_rst, LOW);
pinMode(_rst, OUTPUT);
digitalWrite(_rst, LOW);
digitalWrite(_sclk, LOW);
digitalWrite(_mosi, LOW);
// toggle RST low to reset
digitalWrite(_rst, HIGH);
delay(5);
digitalWrite(_rst, LOW);
delay(20);
digitalWrite(_rst, HIGH);
delay(150);
writecommand(0xEF);
writedata(0x03);
writedata(0x80);
writedata(0x02);
writecommand(0xCF);
writedata(0x00);
writedata(0xC1);
writedata(0x30);
writecommand(0xED);
writedata(0x64);
writedata(0x03);
writedata(0x12);
writedata(0x81);
writecommand(0xE8);
writedata(0x85);
writedata(0x00);
writedata(0x78);
writecommand(0xCB);
writedata(0x39);
writedata(0x2C);
writedata(0x00);
writedata(0x34);
writedata(0x02);
writecommand(0xF7);
writedata(0x20);
writecommand(0xEA);
writedata(0x00);
writedata(0x00);
writecommand(ILI9340_PWCTR1); //Power control
writedata(0x23); //VRH[5:0]
writecommand(ILI9340_PWCTR2); //Power control
writedata(0x10); //SAP[2:0];BT[3:0]
writecommand(ILI9340_VMCTR1); //VCM control
writedata(0x3e); //�Աȶȵ���
writedata(0x28);
writecommand(ILI9340_VMCTR2); //VCM control2
writedata(0x86); //--
writecommand(ILI9340_MADCTL); // Memory Access Control
writedata(ILI9340_MADCTL_MX | ILI9340_MADCTL_BGR);
writecommand(ILI9340_PIXFMT);
writedata(0x55);
writecommand(ILI9340_FRMCTR1);
writedata(0x00);
writedata(0x18);
writecommand(ILI9340_DFUNCTR); // Display Function Control
writedata(0x08);
writedata(0x82);
writedata(0x27);
writecommand(0xF2); // 3Gamma Function Disable
writedata(0x00);
writecommand(ILI9340_GAMMASET); //Gamma curve selected
writedata(0x01);
writecommand(ILI9340_GMCTRP1); //Set Gamma
writedata(0x0F);
writedata(0x31);
writedata(0x2B);
writedata(0x0C);
writedata(0x0E);
writedata(0x08);
writedata(0x4E);
writedata(0xF1);
writedata(0x37);
writedata(0x07);
writedata(0x10);
writedata(0x03);
writedata(0x0E);
writedata(0x09);
writedata(0x00);
writecommand(ILI9340_GMCTRN1); //Set Gamma
writedata(0x00);
writedata(0x0E);
writedata(0x14);
writedata(0x03);
writedata(0x11);
writedata(0x07);
writedata(0x31);
writedata(0xC1);
writedata(0x48);
writedata(0x08);
writedata(0x0F);
writedata(0x0C);
writedata(0x31);
writedata(0x36);
writedata(0x0F);
writecommand(ILI9340_SLPOUT); //Exit Sleep
delay(120);
writecommand(ILI9340_DISPON); //Display on
}
void TimerClass::setPWMOutputPin(int pin)
{
pinMode(pin,OUTPUT);
pinModePPS(pin,HIGH);
outputPinForFunction( pin, IOPIN_TIMER1_OC);
}
void RETROCADE::setupMegaWing()
{
activeChannel = 0;
activeInstrument = 0;
smallfsActiveTrack = 0;
timeout = TIMEOUTMAX;
smallFs = false;
sdFs = false;
invadersCurLoc = 0;
invadersCurSeg = 1;
invadersTimer = INVADERSTIMERMAX;
lcdMode = MENU_WELCOME;
buttonPressed = None;
SIGMADELTACTL=0x3;
//Move the audio output to the appropriate pins on the Papilio Hardware
pinMode(AUDIO_J1_L,OUTPUT);
digitalWrite(AUDIO_J1_L,HIGH);
//outputPinForFunction(AUDIO_J1_L, IOPIN_SIGMADELTA0);
outputPinForFunction(AUDIO_J1_L, 8);
pinModePPS(AUDIO_J1_L, HIGH);
pinMode(AUDIO_J1_R,OUTPUT);
digitalWrite(AUDIO_J1_R,HIGH);
outputPinForFunction(AUDIO_J1_R, 8);
//outputPinForFunction(AUDIO_J1_R, IOPIN_SIGMADELTA1);
pinModePPS(AUDIO_J1_R, HIGH);
pinMode(AUDIO_J2_L,OUTPUT);
digitalWrite(AUDIO_J2_L,HIGH);
outputPinForFunction(AUDIO_J2_L, 8);
pinModePPS(AUDIO_J2_L, HIGH);
pinMode(AUDIO_J2_R,OUTPUT);
digitalWrite(AUDIO_J2_R,HIGH);
outputPinForFunction(AUDIO_J2_R, 8);
pinModePPS(AUDIO_J2_R, HIGH);
//Move the second serial port pin to where we need it, this is for MIDI input.
pinMode(SERIAL1RXPIN,INPUT);
inputPinForFunction(SERIAL1RXPIN, 1);
pinMode(SERIAL1TXPIN,OUTPUT);
//digitalWrite(SERIAL1TXPIN,HIGH);
outputPinForFunction(SERIAL1TXPIN, 6);
pinModePPS(SERIAL1TXPIN, HIGH);
//Start SmallFS
if (SmallFS.begin()<0) {
Serial.println("No SmalLFS found.");
}
else{
Serial.println("SmallFS Started.");
smallFs = true;
}
//Setup SD Card
initSD();
//Setup Joystick
pinMode(JSELECT, INPUT);
pinMode(JUP, INPUT);
pinMode(JDOWN, INPUT);
pinMode(JLEFT, INPUT);
pinMode(JRIGHT, INPUT);
//Setup LCD
pinMode(WING_C_14, OUTPUT); //Set contrast to GND
digitalWrite(WING_C_14, LOW); //Set contrast to GND
// set up the LCD's number of columns and rows:
lcd.begin(16,2);
// clear the LCD screen:
lcd.clear();
lcd.setCursor(0,1);
lcd.print("RetroCade Synth");
//Setup timer for YM and mod players
TMR0CTL = 0;
TMR0CNT = 0;
TMR0CMP = ((CLK_FREQ/2) / FREQ )- 1;
TMR0CTL = _BV(TCTLENA)|_BV(TCTLCCM)|_BV(TCTLDIR)|
_BV(TCTLCP0) | _BV(TCTLIEN);
INTRMASK = BIT(INTRLINE_TIMER0); // Enable Timer0 interrupt
INTRCTL=1;
}