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Program.cs
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using System;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using Microsoft.SPOT;
using Microsoft.SPOT.Hardware;
using SecretLabs.NETMF.Hardware;
using SecretLabs.NETMF.Hardware.NetduinoPlus;
namespace NetduinoPlusApplication1
{
public class Program
{
public const bool CS_DESELECT = true;
public const bool CS_SELECT = false;
public const bool DC_COMMAND = false;
public const bool DC_DATA = true;
public const bool WR_WRITING = false;
public const bool WR_COMPLETE = true;
public const bool RD_READING = false;
public const bool RD_COMPLETE = true;
public const bool RESET_ACTIVE = false;
public const bool RESET_COMPLETE = true;
// DB0..7 Port
public static OutputPort data0 = new OutputPort(Pins.GPIO_PIN_D0, false);
public static OutputPort data1 = new OutputPort(Pins.GPIO_PIN_D1, false);
public static OutputPort data2 = new OutputPort(Pins.GPIO_PIN_D2, false);
public static OutputPort data3 = new OutputPort(Pins.GPIO_PIN_D3, false);
public static OutputPort data4 = new OutputPort(Pins.GPIO_PIN_D4, false);
public static OutputPort data5 = new OutputPort(Pins.GPIO_PIN_D13, false);
public static OutputPort data6 = new OutputPort(Pins.GPIO_PIN_D6, false);
public static OutputPort data7 = new OutputPort(Pins.GPIO_PIN_D7, false);
// Control port
public static OutputPort pinCS = new OutputPort(Pins.GPIO_PIN_D11, CS_DESELECT);
public static OutputPort pinDC = new OutputPort(Pins.GPIO_PIN_D8, DC_COMMAND);
public static OutputPort pinWR = new OutputPort(Pins.GPIO_PIN_D9, WR_WRITING);
public static OutputPort pinRD = new OutputPort(Pins.GPIO_PIN_D10, !WR_WRITING);
public static OutputPort pinRESET = new OutputPort(Pins.GPIO_PIN_D12, RESET_ACTIVE);
public const int HDP800 = 800;
public const int HT911 = 911;
public const int HPS32 = 32;
public const byte HPW7 = 7;
public const int LPS42 = 42;
public const byte LPSPP0 = 0;
public const int VDP480 = 480;
public const int VT = 525;
public const int VPS = 16;
public const int FPS = 8;
public const byte VPW = 16;
public static void command(byte value)
{
pinDC.Write(DC_COMMAND);
pinWR.Write(WR_WRITING);
data0.Write((value & (byte)0x01) != 0);
data1.Write((value & (byte)0x02) != 0);
data2.Write((value & (byte)0x04) != 0);
data3.Write((value & (byte)0x08) != 0);
data4.Write((value & (byte)0x10) != 0);
data5.Write((value & (byte)0x20) != 0);
data6.Write((value & (byte)0x40) != 0);
data7.Write((value & (byte)0x80) != 0);
pinCS.Write(CS_SELECT);
pinCS.Write(CS_DESELECT);
pinWR.Write(WR_COMPLETE);
}
public static void data(byte value)
{
pinDC.Write(DC_DATA);
pinWR.Write(WR_WRITING);
data0.Write((value & (byte)0x01) != 0);
data1.Write((value & (byte)0x02) != 0);
data2.Write((value & (byte)0x04) != 0);
data3.Write((value & (byte)0x08) != 0);
data4.Write((value & (byte)0x10) != 0);
data5.Write((value & (byte)0x20) != 0);
data6.Write((value & (byte)0x40) != 0);
data7.Write((value & (byte)0x80) != 0);
pinCS.Write(CS_SELECT);
pinCS.Write(CS_DESELECT);
pinWR.Write(WR_COMPLETE);
}
public static void data16(ushort value)
{
data((byte)(value >> 8));
data((byte)(value & 0xFF));
}
public static void Main()
{
pinRESET.Write(RESET_ACTIVE);
Thread.Sleep(5);
pinRESET.Write(RESET_COMPLETE);
Thread.Sleep(5);
pinCS.Write(CS_DESELECT);
pinRD.Write(RD_COMPLETE);
pinWR.Write(WR_COMPLETE);
Thread.Sleep(5);
// LCD_CS = 0;
// Set interface 8 bit
command(0xF0);
data(0x00);
Thread.Sleep(5);
command(0x00E2); // was PLL multiplier, set PLL clock to 120M
data(0x0023); // 0x23 for 10M crystal, 35 * 10MHz crystal
data(0x0003); // M=20, so Frequency = 35 * 10MHz / 3 = 116 MHz, Divider (M) of PLL. (POR = 3)
data(0x0004); // Effectuate the multiplier and divider value
command(0x00E0); // PLL enable
data(0x0001);
Thread.Sleep(1);
command(0x00E0);
data(0x0003); // use PLL as system clock
Thread.Sleep(5);
command(0x0001); // software reset
Thread.Sleep(5);
command(0x00E6); // PLL setting for PCLK, depends on resolution
data(0x0001); // 8.3MHz = PLL clock (116MHz) * value / 2^^20. D=74599
data(0x0023);
data(0x0067);
command(0x00B0); // LCD SPECIFICATION
data(0x0020); // 24-bit TFT data width, disable dithering, Dithering X, LSHIFT Raising, LLINE high, LFRAME high
data(0x0020); // Default: Hsync+Vsync+DE mode, TFT mode
data16(HDP800 - 1); // Set HDP
data16(VDP480 - 1); // Set VDP
data(0x0000); // Default: even line sequence RGB, odd line sequence RGB
command(0x00B4); //HSYNC
data((HT911 >> 8) & 0X00FF); // Set HT horizontal total period (POR343 + 1 = 344)
data(HT911 & 0X00FF);
data((HPS32 >> 8) & 0X00FF); // HPS non-display period between the start of the horizontal sync (LLINE) signal and
data(HPS32 & 0X00FF); // the first display data. (POR = 32)
data(HPW7); // HPW=7, horizontal sync pulse width (LLINE) in pixel clock. (POR = 7)
// Horizontal Sync Pulse Width = (HPW + 1) pixels
data((LPS42 >> 8) & 0X00FF); // LPS=99, horizontal sync pulse width (LLINE) in start. (POR = 0)
data(LPS42 & 0X00FF); // Horizontal Display Period Start Position = LPS pixels
data(LPSPP0); // LPSPP = 0, horizontal sync pulse subpixel start position (POR = 00)
command(0x00B6); //VSYNC
data((VT >> 8) & 0X00FF); //Set VT
data(VT & 0X00FF);
data((VPS >> 8) & 0X00FF); //Set VPS
data(VPS & 0X00FF);
data(VPW); //Set VPW
data((FPS >> 8) & 0X00FF); //Set FPS
data(FPS & 0X00FF);
command(0x00BA);
data(0x000F); //GPIO[3:0] out 1
command(0x00B8);
data(0x0007); //GPIO3=input, GPIO[2:0]=output
data(0x0001); //GPIO0 normal
command(0x0034); //TE off
command(0x0036); //rotation
data(0x0000);
Thread.Sleep(100);
// Disable postprocessor
command(0xBC);
data(0x40);
data(0x80);
data(0x40);
data(0x00);
command(0x00F0); //pixel data interface
data(0x0000); // 8bit
Thread.Sleep(100);
command(0x0029); //display on
Thread.Sleep(120);
//command(0x00d0);
//data(0x000d);
// 8-bit per pixel
//command(0x3A);
//data(0x04);
//command(0x2C);
//data(0x50);
//data(0x10);
//data(0xF0);
Paint();
while (true)
{
//data(0);
}
}
public static void Paint()
{
int i, j;
Address_set(0, 0, 799, 479);
for (i = 0; i < 480; i++)
{
for (j = 0; j < 800; j++)
{
data((byte)(j & 255));
data((byte)((i + j) & 255));
data((byte)(i & 255));
}
}
}
public static void Address_set(ushort x1, ushort y1, ushort x2, ushort y2)
{
command(0x002A);
data((byte)((x1 >> 8) & 0xff));
data((byte)(x1 & 0xff));
data((byte)((x2 >> 8) & 0xff));
data((byte)(x2 & 0xff));
command(0x002b);
data((byte)((y1 >> 8) & 0xff));
data((byte)(y1 & 0xff));
data((byte)((y2 >> 8) & 0xff));
data((byte)(y2 & 0xff));
command(0x002c);
}
}
}