Diff: Display/TFT.h

Revision:

2:713844a55c4e

Child:

4:12ba0ecc2c1f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Display/TFT.h	Fri Feb 13 23:17:55 2015 +0000
@@ -0,0 +1,203 @@
+#ifndef MBED_TFT_H
+#define MBED_TFT_H
+
+#include "GraphicsDisplay.h"
+#include "PAR8.h"
+#include "SPI8.h"
+#include "SPI16.h"
+#include "Protocols.h"
+
+
+
+
+
+
+/** A common base class for monochrome Display
+*/
+class TFT : public GraphicsDisplay
+{
+
+public:         
+          
+    /** Create a monochrome LCD Parallel interface
+    * @param name The name used by the parent class to access the interface
+    */
+    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);
+    
+    /** Create a monochrome LCD SPI interface
+    * @param name The name used by the parent class to access the interface
+    */
+    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);
+    
+    /////// functions that come for free, but can be overwritten///////////////////////////////////////////////////
+/////// ----------------------------------------------------///////////////////////////////////////////////////
+
+    /** Draw a pixel in the specified color.
+    * @param x is the horizontal offset to this pixel.
+    * @param y is the vertical offset to this pixel.
+    * @param color defines the color for the pixel.
+    */
+    virtual void pixel(int x, int y, unsigned short color);        
+    
+    /** Set the window, which controls where items are written to the screen.
+    * When something hits the window width, it wraps back to the left side
+    * and down a row. If the initial write is outside the window, it will
+    * be captured into the window when it crosses a boundary.
+    * @param x is the left edge in pixels.
+    * @param y is the top edge in pixels.
+    * @param w is the window width in pixels.
+    * @param h is the window height in pixels.
+    */
+    virtual void window(int x, int y, int w, int h);
+
+    /** Push a single pixel into the window and increment position.
+    * You must first call window() then push pixels.
+    * @param color is the pixel color.
+    */
+    virtual void window_pushpixel(unsigned short color);
+    
+    /** Push some pixels of the same color into the window and increment position.
+    * You must first call window() then push pixels.
+    * @param color is the pixel color.
+    * @param count: how many
+    */
+    virtual void window_pushpixel(unsigned short color, unsigned int count);
+    
+    /** Push array of pixel colors into the window and increment position.
+    * You must first call window() then push pixels.
+    * @param color is the pixel color.
+    */
+    virtual void window_pushpixelbuf(unsigned short* color, unsigned int lenght);
+ 
+    /** Framebuffer is not used for TFT
+    */
+    virtual void copy_to_lcd(){ };
+
+    /** invert the screen
+      *
+      * @param o = 0 normal, 1 invert
+      */
+    void invert(unsigned char o);
+
+    /** clear the entire screen
+    * The inherited one sets windomax then fill with background color
+    * We override it to speedup
+    */
+    virtual void cls();
+    
+    /** Set the orientation of the screen
+    *  x,y: 0,0 is always top left 
+    *
+    * @param o direction to use the screen (0-3)
+    * 0 = default 0° portrait view
+    * 1 = +90° landscape view
+    * 2 = +180° portrait view
+    * 3 = -90° landscape view
+    *
+    */  
+    virtual void set_orientation(int o);
+    
+    /** Set ChipSelect high or low
+    * @param enable 0/1   
+    */
+    virtual void BusEnable(bool enable);
+    
+    
+protected:
+
+
+////// functions needed by parent class ///////////////////////////////////////
+////// -------------------------------- ///////////////////////////////////////
+
+    /** Send 8bit command to display controller 
+    *
+    * @param cmd: byte to send  
+    * @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
+    */   
+    void wr_cmd8(unsigned char cmd);
+    
+    /** Send 8bit data to display controller 
+    *
+    * @param data: byte to send   
+    *
+    */   
+    void wr_data8(unsigned char data);
+    
+    /** Send same 8bit data to display controller multiple times
+    *
+    * @param data: byte to send
+    * @param count: how many
+    *
+    */   
+    void wr_data8(unsigned char data, unsigned int count);
+    
+    /** Send array of data bytes to display controller
+    *
+    * @param data: unsigned char data array
+    * @param lenght: lenght of array
+    *
+    */   
+    void wr_data8buf(unsigned char* data, unsigned int lenght);
+    
+    /** Send 16bit command to display controller 
+    *
+    * @param cmd: halfword to send  
+    *
+    */   
+    void wr_cmd16(unsigned short cmd);
+    
+    /** Send 16bit data to display controller 
+    *
+    * @param data: halfword to send   
+    *
+    */   
+    void wr_data16(unsigned short data);
+    
+    /** Send same 16bit data to display controller multiple times
+    *
+    * @param data: halfword to send
+    * @param count: how many
+    *
+    */   
+    void wr_data16(unsigned short data, unsigned int count);
+    
+    /** Send array of data shorts to display controller
+    *
+    * @param data: unsigned short data array
+    * @param lenght: lenght (in shorts)
+    *
+    */   
+    void wr_data16buf(unsigned short* data, unsigned int lenght);
+    
+    /** HW reset sequence (without display init commands)   
+    */
+    void hw_reset();
+
+    
+private:
+
+    Protocols* proto;
+    const int LCDSIZE_X;
+    const int LCDSIZE_Y;
+ //   const int LCDPAGES;
+ //   const int IC_X_SEGS;
+ //   const int IC_Y_COMS;
+ //   const int IC_PAGES;
+    
+ //   int page_offset;
+ //   int col_offset;
+    // pixel location
+    int cur_x;
+    int cur_y;
+    // window location
+    int win_x1;
+    int win_x2;
+    int win_y1;
+    int win_y2;
+    int orientation;
+    unsigned int tftID;
+    bool mipistd;
+    bool useNOP;
+};
+
+#endif
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