public LPD6803(SPI.SPI_module spiModule, int numPixels)
{
var spiConfig = new SPI.Configuration(Cpu.Pin.GPIO_NONE, true, 0, 0, false, true, 500, spiModule);
spi = new SPI(spiConfig);
NumPixels = numPixels;
// On a LPD6803, the PWM counter is shared with the data pin.
// This means, when we send data, we must align the data to 256 bits (32 bytes, 16 ushorts)
// We also have to consider the 4 byte header.
var bufferLength = numPixels + 2;
var alignment = 32 - (bufferLength % 32);
bufferLength += alignment;
Debug.Assert(bufferLength % 32 == 0);
buffer = new ushort[bufferLength];
oc = new OutputCompare((Cpu.Pin) FEZ_Pin.Digital.Di10, false, 2);
oc.Set(false, new uint[] {1, 1}, 0, 2, true);
}
public ServoMotor(FEZ_Pin.Digital pin)
{
oc = new OutputCompare((Cpu.Pin)pin, true, 5);
}
public ServoMotor(FEZ_Pin.Digital pin)
{
oc = new OutputCompare((Cpu.Pin)pin, true, 5);
}
private bool PreInit(object sender, EventArgs e)
{
BlinkingLed = new OutputCompare(EMX.Pin.IO17, false, 2);
Blink(100);
OneWireBus = new OneWire(EMX.Pin.IO13);
return true;
}
private void InitLCD(LCDConfiguration lcdConfig)
{
pp = new ParallelPort(lcdConfig.dataPins, lcdConfig.writePin, lcdConfig.readPin);
lcdReset = new OutputPort(lcdConfig.reset, true);
lcdCS = new OutputPort(lcdConfig.chipSelect, true);
lcdRS = new OutputPort(lcdConfig.RS, true);
backLight = new OutputCompare(lcdConfig.backLight, true, 2);
lcdReset.Write(true);
Thread.Sleep(5);
lcdReset.Write(false);
Thread.Sleep(5);
lcdReset.Write(true);
Thread.Sleep(5);
lcdCS.Write(false);
//************* Start Initial Sequence **********//
WriteRegister(0x0001, 0x0100); // set SS and SM bit
WriteRegister(0x0002, 0x0200); // set 1 line inversion
WriteRegister(0x0003, 0x0030); // set GRAM write direction and BGR=0.
WriteRegister(0x0004, 0x0000); // Resize register
WriteRegister(0x0008, 0x0207); // set the back porch and front porch
WriteRegister(0x0009, 0x0000); // set non-display area refresh cycle ISC[3:0]
WriteRegister(0x000A, 0x0000); // FMARK function
WriteRegister(0x000C, 0x0000); // RGB interface setting
WriteRegister(0x000D, 0x0000); // Frame marker Position
WriteRegister(0x000F, 0x0000); // RGB interface polarity
//*************Power On sequence ****************//
WriteRegister(0x0010, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
WriteRegister(0x0011, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
WriteRegister(0x0012, 0x0000); // VREG1OUT voltage
WriteRegister(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude
WriteRegister(0x0007, 0x0001);
Thread.Sleep(200); // Dis-charge capacitor power voltage
WriteRegister(0x0010, 0x1690); // SAP, BT[3:0], AP, DSTB, SLP, STB
WriteRegister(0x0011, 0x0227); // Set DC1[2:0], DC0[2:0], VC[2:0]
Thread.Sleep(50); // Delay 50ms
WriteRegister(0x0012, 0x000D); // 0012
Thread.Sleep(50); // Delay 50ms
WriteRegister(0x0013, 0x1200); // VDV[4:0] for VCOM amplitude
WriteRegister(0x0029, 0x000A); // 04 VCM[5:0] for VCOMH
WriteRegister(0x002B, 0x000D); // Set Frame Rate
Thread.Sleep(50); // Delay 50ms
WriteRegister(0x0020, 0x0000); // GRAM horizontal Address
WriteRegister(0x0021, 0x0000); // GRAM Vertical Address
// ----------- Adjust the Gamma Curve ----------//
WriteRegister(0x0030, 0x0000);
WriteRegister(0x0031, 0x0404);
WriteRegister(0x0032, 0x0003);
WriteRegister(0x0035, 0x0405);
WriteRegister(0x0036, 0x0808);
WriteRegister(0x0037, 0x0407);
WriteRegister(0x0038, 0x0303);
WriteRegister(0x0039, 0x0707);
WriteRegister(0x003C, 0x0504);
WriteRegister(0x003D, 0x0808);
//------------------ Set GRAM area ---------------//
WriteRegister(0x0050, 0x0000); // Horizontal GRAM Start Address
WriteRegister(0x0051, 0x00EF); // Horizontal GRAM End Address
WriteRegister(0x0052, 0x0000); // Vertical GRAM Start Address
WriteRegister(0x0053, 0x013F); // Vertical GRAM Start Address
WriteRegister(0x0060, 0xA700); // Gate Scan Line
WriteRegister(0x0061, 0x0001); // NDL,VLE, REV
WriteRegister(0x006A, 0x0000); // set scrolling line
//-------------- Partial Display Control ---------//
WriteRegister(0x0080, 0x0000);
WriteRegister(0x0081, 0x0000);
WriteRegister(0x0082, 0x0000);
WriteRegister(0x0083, 0x0000);
WriteRegister(0x0084, 0x0000);
WriteRegister(0x0085, 0x0000);
//-------------- Panel Control -------------------//
WriteRegister(0x0090, 0x0010);
WriteRegister(0x0092, 0x0000);
WriteRegister(0x0007, 0x0133); // 262K color and display ON
lcdCS.Write(true);
}
