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tftdef.vi
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// Screen initialize sequence and defines derived from Adafruit library
// https://github.com/adafruit/Adafruit_ILI9341
// modified from C into Verilog format by Ken Taylor
// Original Adafruit license text follows:
/***************************************************
This is our library for the Adafruit ILI9341 Breakout and Shield
----> http://www.adafruit.com/products/1651
Check out the links above for our tutorials and wiring diagrams
These displays use SPI to communicate, 4 or 5 pins are required to
interface (RST is optional)
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
Written by Limor Fried/Ladyada for Adafruit Industries.
MIT license, all text above must be included in any redistribution
****************************************************/
`define ILI9341_TFTWIDTH 240
`define ILI9341_TFTHEIGHT 320
`define ILI9341_NOP 8'h00
`define ILI9341_SWRESET 8'h01
`define ILI9341_RDDID 8'h04
`define ILI9341_RDDST 8'h09
`define ILI9341_SLPIN 8'h10
`define ILI9341_SLPOUT 8'h11
`define ILI9341_PTLON 8'h12
`define ILI9341_NORON 8'h13
`define ILI9341_RDMODE 8'h0A
`define ILI9341_RDMADCTL 8'h0B
`define ILI9341_RDPIXFMT 8'h0C
`define ILI9341_RDIMGFMT 8'h0A
`define ILI9341_RDSELFDIAG 8'h0F
`define ILI9341_INVOFF 8'h20
`define ILI9341_INVON 8'h21
`define ILI9341_GAMMASET 8'h26
`define ILI9341_DISPOFF 8'h28
`define ILI9341_DISPON 8'h29
`define ILI9341_CASET 8'h2A
`define ILI9341_PASET 8'h2B
`define ILI9341_RAMWR 8'h2C
`define ILI9341_RAMRD 8'h2E
`define ILI9341_PTLAR 8'h30
`define ILI9341_MADCTL 8'h36
`define ILI9341_PIXFMT 8'h3A
`define ILI9341_FRMCTR1 8'hB1
`define ILI9341_FRMCTR2 8'hB2
`define ILI9341_FRMCTR3 8'hB3
`define ILI9341_INVCTR 8'hB4
`define ILI9341_DFUNCTR 8'hB6
`define ILI9341_PWCTR1 8'hC0
`define ILI9341_PWCTR2 8'hC1
`define ILI9341_PWCTR3 8'hC2
`define ILI9341_PWCTR4 8'hC3
`define ILI9341_PWCTR5 8'hC4
`define ILI9341_VMCTR1 8'hC5
`define ILI9341_VMCTR2 8'hC7
`define ILI9341_RDID1 8'hDA
`define ILI9341_RDID2 8'hDB
`define ILI9341_RDID3 8'hDC
`define ILI9341_RDID4 8'hDD
`define ILI9341_GMCTRP1 8'hE0
`define ILI9341_GMCTRN1 8'hE1
/*
`define ILI9341_PWCTR6 8'hFC
*/
// Color definitions
`define ILI9341_BLACK 16'h0000 // 0, 0, 0
`define ILI9341_NAVY 16'h000F // 0, 0, 128
`define ILI9341_DARKGREEN 16'h03E0 // 0, 128, 0
`define ILI9341_DARKCYAN 16'h03EF // 0, 128, 128
`define ILI9341_MAROON 16'h7800 // 128, 0, 0
`define ILI9341_PURPLE 16'h780F // 128, 0, 128
`define ILI9341_OLIVE 16'h7BE0 // 128, 128, 0
`define ILI9341_LIGHTGREY 16'hC618 // 192, 192, 192
`define ILI9341_DARKGREY 16'h7BEF // 128, 128, 128
`define ILI9341_BLUE 16'h001F // 0, 0, 255
`define ILI9341_GREEN 16'h07E0 // 0, 255, 0
`define ILI9341_CYAN 16'h07FF // 0, 255, 255
`define ILI9341_RED 16'hF800 // 255, 0, 0
`define ILI9341_MAGENTA 16'hF81F // 255, 0, 255
`define ILI9341_YELLOW 16'hFFE0 // 255, 255, 0
`define ILI9341_WHITE 16'hFFFF // 255, 255, 255
`define ILI9341_ORANGE 16'hFD20 // 255, 165, 0
`define ILI9341_GREENYELLOW 16'hAFE5 // 173, 255, 47
`define ILI9341_PINK 16'hF81F
reg [9:0] screen_init [255:0];
integer i;
// a bit of a hack:
// Quartus can't deal with the changing integer in an initial block,
// but is ok in an always @(*).
// However, always @(*) needs a RHS variable to change to trigger in sim,
// so we set i in an initial block to trigger it.
initial i = 0;
always @(*) begin
i = -1;
// dly DCn data
i = i+1; screen_init[i] = {1'b1, 1'b0, `ILI9341_SWRESET};
//i = i+1; screen_init[i] = {1'b1, 1'b0, `ILI9341_RDDST};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
i = i+1; screen_init[i] = {1'b0, 1'b0, 8'hEF};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h03};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h80};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h02};
i = i+1; screen_init[i] = {1'b0, 1'b0, 8'hCF};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'hC1};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h30};
i = i+1; screen_init[i] = {1'b0, 1'b0, 8'hED};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h64};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h03};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h12};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h81};
i = i+1; screen_init[i] = {1'b0, 1'b0, 8'hE8};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h85};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h78};
i = i+1; screen_init[i] = {1'b0, 1'b0, 8'hCB};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h39};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h2C};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h34};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h02};
i = i+1; screen_init[i] = {1'b0, 1'b0, 8'hF7};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h20};
i = i+1; screen_init[i] = {1'b0, 1'b0, 8'hEA};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_PWCTR1}; //Power control
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h23}; //VRH[5:0]
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_PWCTR2}; //Power control
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h10}; //SAP[2:0];BT[3:0]
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_VMCTR1}; //VCM control
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h3e};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h28};
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_VMCTR2}; //VCM control2
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h86};
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_MADCTL}; // Memory Access Control
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h48};
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_PIXFMT};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h55};
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_FRMCTR1};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h18};
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_DFUNCTR}; // Display Function Control
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h08};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h82};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h27};
i = i+1; screen_init[i] = {1'b0, 1'b0, 8'hF2}; // 3Gamma Function Disable
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_GAMMASET}; //Gamma curve selected
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h01};
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_GMCTRP1}; //Set Gamma
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0F};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h31};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h2B};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0C};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0E};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h08};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h4E};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'hF1};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h37};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h07};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h10};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h03};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0E};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h09};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_GMCTRN1}; //Set Gamma
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0E};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h14};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h03};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h11};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h07};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h31};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'hC1};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h48};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h08};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0F};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0C};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h31};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h36};
i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0F};
i = i+1; screen_init[i] = {1'b1, 1'b0, `ILI9341_SLPOUT}; //Exit Sleep
i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_DISPON}; //Display on
// draw a single pixel test
//i = i+1; screen_init[i] = {1'b1, 1'b0, `ILI9341_CASET}; // Column addr set
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0a}; // xstart
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0a}; // xend
//i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_PASET}; // Row addr set
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h0a}; // ystart
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h1a}; // yend
//i = i+1; screen_init[i] = {1'b0, 1'b0, `ILI9341_RAMWR}; // write to RAM
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h1f}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h1f}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h1f}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h1f}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h07};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'he0}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h07};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'he0}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h07};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'he0}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h07};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'he0}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'hf8};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'hf8};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'hf8};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00}; // color
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'hf8};
//i = i+1; screen_init[i] = {1'b0, 1'b1, 8'h00}; // color
i = i+1; screen_init[i] = 0; // halt (0 is nop)
end