Duncan Wood / UniGraphic

Basically i glued Peter Drescher and Simon Ford libs in a GraphicsDisplay class, then derived TFT or LCD class (which inherits Protocols class), then the most derived ones (Inits), which are per-display and are the only part needed to be adapted to diff hw.

Dependents:   Brew

Display/TFT.h@6:8356d48a07db, 2015-02-16 (annotated)

Committer:
Geremia
Date:
Mon Feb 16 01:18:29 2015 +0000
Revision:
6:8356d48a07db
Parent:
5:b222a9461d6b
Child:
7:bb0383b91104
updated docs

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Geremia 2:713844a55c4e 1 #ifndef MBED_TFT_H
Geremia 2:713844a55c4e 2 #define MBED_TFT_H
Geremia 2:713844a55c4e 3
Geremia 2:713844a55c4e 4 #include "GraphicsDisplay.h"
Geremia 2:713844a55c4e 5 #include "PAR8.h"
Geremia 4:12ba0ecc2c1f 6 #include "PAR16.h"
Geremia 2:713844a55c4e 7 #include "SPI8.h"
Geremia 2:713844a55c4e 8 #include "SPI16.h"
Geremia 2:713844a55c4e 9 #include "Protocols.h"
Geremia 2:713844a55c4e 10
Geremia 2:713844a55c4e 11
Geremia 6:8356d48a07db 12 /** A common base class for color TFT Display
Geremia 2:713844a55c4e 13 */
Geremia 2:713844a55c4e 14 class TFT : public GraphicsDisplay
Geremia 2:713844a55c4e 15 {
Geremia 2:713844a55c4e 16
Geremia 2:713844a55c4e 17 public:
Geremia 2:713844a55c4e 18
Geremia 2:713844a55c4e 19 /** Create a monochrome LCD Parallel interface
Geremia 2:713844a55c4e 20 * @param name The name used by the parent class to access the interface
Geremia 2:713844a55c4e 21 */
Geremia 2:713844a55c4e 22 TFT(proto_t displayproto,PortName port, PinName CS, PinName reset, PinName DC, PinName WR, PinName RD, const int lcdsize_x, const int lcdsize_y, const char* name);
Geremia 2:713844a55c4e 23
Geremia 2:713844a55c4e 24 /** Create a monochrome LCD SPI interface
Geremia 2:713844a55c4e 25 * @param name The name used by the parent class to access the interface
Geremia 2:713844a55c4e 26 */
Geremia 2:713844a55c4e 27 TFT(proto_t displayproto, int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, const int lcdsize_x, const int lcdsize_y, const char* name);
Geremia 2:713844a55c4e 28
Geremia 2:713844a55c4e 29 /////// functions that come for free, but can be overwritten///////////////////////////////////////////////////
Geremia 2:713844a55c4e 30 /////// ----------------------------------------------------///////////////////////////////////////////////////
Geremia 2:713844a55c4e 31
Geremia 2:713844a55c4e 32 /** Draw a pixel in the specified color.
Geremia 2:713844a55c4e 33 * @param x is the horizontal offset to this pixel.
Geremia 2:713844a55c4e 34 * @param y is the vertical offset to this pixel.
Geremia 2:713844a55c4e 35 * @param color defines the color for the pixel.
Geremia 2:713844a55c4e 36 */
Geremia 2:713844a55c4e 37 virtual void pixel(int x, int y, unsigned short color);
Geremia 2:713844a55c4e 38
Geremia 2:713844a55c4e 39 /** Set the window, which controls where items are written to the screen.
Geremia 2:713844a55c4e 40 * When something hits the window width, it wraps back to the left side
Geremia 2:713844a55c4e 41 * and down a row. If the initial write is outside the window, it will
Geremia 2:713844a55c4e 42 * be captured into the window when it crosses a boundary.
Geremia 2:713844a55c4e 43 * @param x is the left edge in pixels.
Geremia 2:713844a55c4e 44 * @param y is the top edge in pixels.
Geremia 2:713844a55c4e 45 * @param w is the window width in pixels.
Geremia 2:713844a55c4e 46 * @param h is the window height in pixels.
Geremia 2:713844a55c4e 47 */
Geremia 2:713844a55c4e 48 virtual void window(int x, int y, int w, int h);
Geremia 5:b222a9461d6b 49
Geremia 5:b222a9461d6b 50 /** Read pixel color at current location
Geremia 5:b222a9461d6b 51 * @param x is the horizontal offset to this pixel.
Geremia 5:b222a9461d6b 52 * @param y is the vertical offset to this pixel.
Geremia 5:b222a9461d6b 53 * @param color defines the color for the pixel.
Geremia 5:b222a9461d6b 54 */
Geremia 5:b222a9461d6b 55 virtual unsigned short pixelread(int x, int y);
Geremia 5:b222a9461d6b 56
Geremia 5:b222a9461d6b 57 /** Set the window from which gram is read from. Autoincrements row/column
Geremia 5:b222a9461d6b 58 * @param x is the left edge in pixels.
Geremia 5:b222a9461d6b 59 * @param y is the top edge in pixels.
Geremia 5:b222a9461d6b 60 * @param w is the window width in pixels.
Geremia 5:b222a9461d6b 61 * @param h is the window height in pixels.
Geremia 5:b222a9461d6b 62 */
Geremia 5:b222a9461d6b 63 virtual void window4read(int x, int y, int w, int h);
Geremia 2:713844a55c4e 64
Geremia 2:713844a55c4e 65 /** Push a single pixel into the window and increment position.
Geremia 2:713844a55c4e 66 * You must first call window() then push pixels.
Geremia 2:713844a55c4e 67 * @param color is the pixel color.
Geremia 2:713844a55c4e 68 */
Geremia 2:713844a55c4e 69 virtual void window_pushpixel(unsigned short color);
Geremia 2:713844a55c4e 70
Geremia 2:713844a55c4e 71 /** Push some pixels of the same color into the window and increment position.
Geremia 2:713844a55c4e 72 * You must first call window() then push pixels.
Geremia 2:713844a55c4e 73 * @param color is the pixel color.
Geremia 2:713844a55c4e 74 * @param count: how many
Geremia 2:713844a55c4e 75 */
Geremia 2:713844a55c4e 76 virtual void window_pushpixel(unsigned short color, unsigned int count);
Geremia 2:713844a55c4e 77
Geremia 2:713844a55c4e 78 /** Push array of pixel colors into the window and increment position.
Geremia 2:713844a55c4e 79 * You must first call window() then push pixels.
Geremia 2:713844a55c4e 80 * @param color is the pixel color.
Geremia 2:713844a55c4e 81 */
Geremia 2:713844a55c4e 82 virtual void window_pushpixelbuf(unsigned short* color, unsigned int lenght);
Geremia 2:713844a55c4e 83
Geremia 2:713844a55c4e 84 /** Framebuffer is not used for TFT
Geremia 2:713844a55c4e 85 */
Geremia 2:713844a55c4e 86 virtual void copy_to_lcd(){ };
Geremia 2:713844a55c4e 87
Geremia 2:713844a55c4e 88 /** invert the screen
Geremia 2:713844a55c4e 89 *
Geremia 2:713844a55c4e 90 * @param o = 0 normal, 1 invert
Geremia 2:713844a55c4e 91 */
Geremia 2:713844a55c4e 92 void invert(unsigned char o);
Geremia 2:713844a55c4e 93
Geremia 2:713844a55c4e 94 /** clear the entire screen
Geremia 2:713844a55c4e 95 * The inherited one sets windomax then fill with background color
Geremia 2:713844a55c4e 96 * We override it to speedup
Geremia 2:713844a55c4e 97 */
Geremia 2:713844a55c4e 98 virtual void cls();
Geremia 2:713844a55c4e 99
Geremia 2:713844a55c4e 100 /** Set the orientation of the screen
Geremia 2:713844a55c4e 101 * x,y: 0,0 is always top left
Geremia 2:713844a55c4e 102 *
Geremia 2:713844a55c4e 103 * @param o direction to use the screen (0-3)
Geremia 2:713844a55c4e 104 * 0 = default 0° portrait view
Geremia 2:713844a55c4e 105 * 1 = +90° landscape view
Geremia 2:713844a55c4e 106 * 2 = +180° portrait view
Geremia 2:713844a55c4e 107 * 3 = -90° landscape view
Geremia 2:713844a55c4e 108 *
Geremia 2:713844a55c4e 109 */
Geremia 2:713844a55c4e 110 virtual void set_orientation(int o);
Geremia 2:713844a55c4e 111
Geremia 2:713844a55c4e 112 /** Set ChipSelect high or low
Geremia 2:713844a55c4e 113 * @param enable 0/1
Geremia 2:713844a55c4e 114 */
Geremia 2:713844a55c4e 115 virtual void BusEnable(bool enable);
Geremia 2:713844a55c4e 116
Geremia 2:713844a55c4e 117
Geremia 2:713844a55c4e 118 protected:
Geremia 2:713844a55c4e 119
Geremia 2:713844a55c4e 120
Geremia 2:713844a55c4e 121 ////// functions needed by parent class ///////////////////////////////////////
Geremia 2:713844a55c4e 122 ////// -------------------------------- ///////////////////////////////////////
Geremia 2:713844a55c4e 123
Geremia 2:713844a55c4e 124 /** Send 8bit command to display controller
Geremia 2:713844a55c4e 125 *
Geremia 2:713844a55c4e 126 * @param cmd: byte to send
Geremia 2:713844a55c4e 127 * @note if protocol is SPI16, it will insert NOP cmd before, so if cmd is a 2byte cmd, the second cmd will be broken. Use wr_cmd16 for 2bytes cmds
Geremia 2:713844a55c4e 128 */
Geremia 2:713844a55c4e 129 void wr_cmd8(unsigned char cmd);
Geremia 2:713844a55c4e 130
Geremia 2:713844a55c4e 131 /** Send 8bit data to display controller
Geremia 2:713844a55c4e 132 *
Geremia 2:713844a55c4e 133 * @param data: byte to send
Geremia 2:713844a55c4e 134 *
Geremia 2:713844a55c4e 135 */
Geremia 2:713844a55c4e 136 void wr_data8(unsigned char data);
Geremia 2:713844a55c4e 137
Geremia 4:12ba0ecc2c1f 138 /** Send 2x8bit data to display controller
Geremia 2:713844a55c4e 139 *
Geremia 2:713844a55c4e 140 * @param data: halfword to send
Geremia 2:713844a55c4e 141 *
Geremia 2:713844a55c4e 142 */
Geremia 2:713844a55c4e 143 void wr_data16(unsigned short data);
Geremia 2:713844a55c4e 144
Geremia 4:12ba0ecc2c1f 145 /** Send 16bit pixeldata to display controller
Geremia 4:12ba0ecc2c1f 146 *
Geremia 4:12ba0ecc2c1f 147 * @param data: halfword to send
Geremia 4:12ba0ecc2c1f 148 *
Geremia 4:12ba0ecc2c1f 149 */
Geremia 4:12ba0ecc2c1f 150 virtual void wr_gram(unsigned short data);
Geremia 4:12ba0ecc2c1f 151
Geremia 4:12ba0ecc2c1f 152 /** Send same 16bit pixeldata to display controller multiple times
Geremia 2:713844a55c4e 153 *
Geremia 2:713844a55c4e 154 * @param data: halfword to send
Geremia 2:713844a55c4e 155 * @param count: how many
Geremia 2:713844a55c4e 156 *
Geremia 2:713844a55c4e 157 */
Geremia 4:12ba0ecc2c1f 158 virtual void wr_gram(unsigned short data, unsigned int count);
Geremia 2:713844a55c4e 159
Geremia 4:12ba0ecc2c1f 160 /** Send array of pixeldata shorts to display controller
Geremia 2:713844a55c4e 161 *
Geremia 4:12ba0ecc2c1f 162 * @param data: unsigned short pixeldata array
Geremia 2:713844a55c4e 163 * @param lenght: lenght (in shorts)
Geremia 2:713844a55c4e 164 *
Geremia 2:713844a55c4e 165 */
Geremia 4:12ba0ecc2c1f 166 virtual void wr_grambuf(unsigned short* data, unsigned int lenght);
Geremia 2:713844a55c4e 167
Geremia 5:b222a9461d6b 168 /** Read 4x8bit data from display controller (with dummy cycle)
Geremia 5:b222a9461d6b 169 *
Geremia 5:b222a9461d6b 170 * @returns data as uint
Geremia 5:b222a9461d6b 171 *
Geremia 5:b222a9461d6b 172 */
Geremia 5:b222a9461d6b 173 virtual unsigned int rd_data32_wdummy();
Geremia 5:b222a9461d6b 174
Geremia 5:b222a9461d6b 175 /** Read 16bit pixeldata from display controller (with dummy cycle)
Geremia 5:b222a9461d6b 176 *
Geremia 5:b222a9461d6b 177 * @returns 16bit color
Geremia 5:b222a9461d6b 178 */
Geremia 5:b222a9461d6b 179 virtual unsigned short rd_gram();
Geremia 5:b222a9461d6b 180
Geremia 2:713844a55c4e 181 /** HW reset sequence (without display init commands)
Geremia 2:713844a55c4e 182 */
Geremia 2:713844a55c4e 183 void hw_reset();
Geremia 4:12ba0ecc2c1f 184
Geremia 4:12ba0ecc2c1f 185 unsigned int scrollbugfix;
Geremia 4:12ba0ecc2c1f 186 bool mipistd;
Geremia 2:713844a55c4e 187
Geremia 2:713844a55c4e 188 private:
Geremia 2:713844a55c4e 189
Geremia 2:713844a55c4e 190 Protocols* proto;
Geremia 2:713844a55c4e 191 const int LCDSIZE_X;
Geremia 2:713844a55c4e 192 const int LCDSIZE_Y;
Geremia 2:713844a55c4e 193 // const int LCDPAGES;
Geremia 2:713844a55c4e 194 // const int IC_X_SEGS;
Geremia 2:713844a55c4e 195 // const int IC_Y_COMS;
Geremia 2:713844a55c4e 196 // const int IC_PAGES;
Geremia 2:713844a55c4e 197
Geremia 2:713844a55c4e 198 // int page_offset;
Geremia 2:713844a55c4e 199 // int col_offset;
Geremia 2:713844a55c4e 200 // pixel location
Geremia 2:713844a55c4e 201 int cur_x;
Geremia 2:713844a55c4e 202 int cur_y;
Geremia 2:713844a55c4e 203 // window location
Geremia 2:713844a55c4e 204 int win_x1;
Geremia 2:713844a55c4e 205 int win_x2;
Geremia 2:713844a55c4e 206 int win_y1;
Geremia 2:713844a55c4e 207 int win_y2;
Geremia 2:713844a55c4e 208 int orientation;
Geremia 2:713844a55c4e 209 unsigned int tftID;
Geremia 2:713844a55c4e 210 bool useNOP;
Geremia 2:713844a55c4e 211 };
Geremia 2:713844a55c4e 212
Geremia 2:713844a55c4e 213 #endif