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.
Display/TFT.h
- Committer:
- Geremia
- Date:
- 2015-02-13
- Revision:
- 2:713844a55c4e
- Child:
- 4:12ba0ecc2c1f
File content as of revision 2:713844a55c4e:
#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