Sérgio Natan
/
luva_tatil_repo
teste
Diff: ST7735_TFT.h
- Revision:
- 0:cf17b1f16335
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ST7735_TFT.h Tue Oct 24 20:12:54 2017 +0000 @@ -0,0 +1,403 @@ + // ST7735 8 Bit SPI Library + +#ifndef MBED_ST7735_TFT_H +#define MBED_ST7735_TFT_H + +#include "mbed.h" +#include "GraphicsDisplay.h" +#include "BurstSPI.h" + +#define RGB(r,g,b) (((r&0xF8)<<8)|((g&0xFC)<<3)|((b&0xF8)>>3)) //5 red | 6 green | 5 blue + +/*define ST7735 Commands */ + +#define ST7735_NOP 0x0 +#define ST7735_SWRESET 0x01 +#define ST7735_RDDID 0x04 +#define ST7735_RDDST 0x09 + +#define ST7735_SLPIN 0x10 +#define ST7735_SLPOUT 0x11 +#define ST7735_PTLON 0x12 +#define ST7735_NORON 0x13 + +#define ST7735_INVOFF 0x20 +#define ST7735_INVON 0x21 +#define ST7735_DISPOFF 0x28 +#define ST7735_DISPON 0x29 +#define ST7735_CASET 0x2A +#define ST7735_RASET 0x2B +#define ST7735_RAMWR 0x2C +#define ST7735_RAMRD 0x2E + +#define ST7735_COLMOD 0x3A +#define ST7735_MADCTL 0x36 + + +#define ST7735_FRMCTR1 0xB1 +#define ST7735_FRMCTR2 0xB2 +#define ST7735_FRMCTR3 0xB3 +#define ST7735_INVCTR 0xB4 +#define ST7735_DISSET5 0xB6 + +#define ST7735_PWCTR1 0xC0 +#define ST7735_PWCTR2 0xC1 +#define ST7735_PWCTR3 0xC2 +#define ST7735_PWCTR4 0xC3 +#define ST7735_PWCTR5 0xC4 +#define ST7735_VMCTR1 0xC5 + +#define ST7735_RDID1 0xDA +#define ST7735_RDID2 0xDB +#define ST7735_RDID3 0xDC +#define ST7735_RDID4 0xDD + +#define ST7735_PWCTR6 0xFC + +#define ST7735_GMCTRP1 0xE0 +#define ST7735_GMCTRN1 0xE1 + +// some RGB color definitions RED GREEN BLUE + +#define Black 0x0000 // 0, 0, 0 +#define Navy 0x8000 // 0, 0, 128 +#define DarkGreen 0x0400 // 0, 128, 0 +#define DarkCyan 0x8400 // 0, 128, 128 +#define Maroon 0x0010 // 128, 0, 0 +#define Purple 0x8010 // 128, 0, 128 +#define Olive 0x0410 // 128, 128, 0 +#define LightGrey 0xC618 // 192, 192, 192 +#define DarkGrey 0x7BEF // 128, 128, 128 +#define Red 0x001F // 255, 0, 0 +#define Green 0x07E0 // 0, 255, 0 +#define Yellow 0x07FF // 255, 255, 0 +#define Blue 0xF800 // 0, 0, 255 +#define Magenta 0xF81F // 255, 0, 255 +#define Cyan 0xFFE0 // 0, 255, 255 +#define White 0xFFFF // 255, 255, 255 +#define Orange 0x053F // 255, 165, 0 +#define GreenYellow 0x2FF5 // 173, 255, 47 + + /* Use this to Calculate and define any colour + + #define RGB565CONVERT(red, green, blue) (uint16_t)( (( blue >> 3 ) << 11 ) | (( green >> 2 ) << 5 ) | ( red >> 3 )) + lcd.printf("%4X ",RGB565CONVERT(red value 0-255,green value 0-255,blue value 0-255)); + */ + +class ST7735_TFT : public GraphicsDisplay { + public: + + /** Create a ST7735_TFT object connected to SPI and three pins. ST7735 requires rs pin to toggle between data/command + * + * @param mosi(SDA),miso(NC),sclk(SCK) SPI + * @param cs pin connected to CS of display (called SS for 'Slave Select' in ST7735 datasheet) + * @param rs pin connected to RS (A0)of display (called D/CX in ST7735 datasheet) + * @param reset pin connected to RESET of display + * + */ + ST7735_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName rs, PinName reset,const char* name ="TFT"); + + /** Get the width of the screen in pixel + * + * @param + * @returns width of screen in pixel + * + */ + virtual int width(); + + /** Get the height of the screen in pixel + * + * @returns height of screen in pixel + * + */ + virtual int height(); + + /** Draw a pixel at x,y with color + * + * @param x horizontal position + * @param y vertical position + * @param color 16 bit pixel color + */ + virtual void pixel(int x, int y, int colour); + + /** Get colour of pixel at x,y + * + * @param x horizontal position + * @param y vertical position + */ + + int getpixel(unsigned int x, unsigned int y); + + /** draw a circle + * + * @param x0,y0 center + * @param r radius + * @param color 16 bit color * + * + */ + + void circle(int x, int y, int r, int colour); + + /** draw a filled circle + * + * @param x0,y0 center + * @param r radius + * @param color 16 bit color * + * + * use circle with different radius, + * can miss some pixel + */ + void fillcircle(int x, int y, int r, int colour); + + /** draw a 1 pixel line + * + * @param x0,y0 start point + * @param x1,y1 stop point + * @param color 16 bit color + * + */ + void line(int x0, int y0, int x1, int y1, int colour); + + /** draw a rect + * + * @param x0,y0 top left corner + * @param x1,y1 down right corner + * @param color 16 bit color + * * + */ + void rect(int x0, int y0, int x1, int y1, int colour); + + /** draw a filled rect + * + * @param x0,y0 top left corner + * @param x1,y1 down right corner + * @param color 16 bit color + * + */ + void fillrect(int x0, int y0, int x1, int y1, int colour); + + /** setup cursor position + * + * @param x x-position (top left) + * @param y y-position + */ + virtual void locate(int x, int y); + + /** Fill the screen with _backgroun color + * + */ + virtual void cls (void); + + + /** calculate the max number of char in a line + * + * @returns max columns + * depends on actual font size + * + */ + virtual int columns(void); + + /** calculate the max number of columns + * + * @returns max column + * depends on actual font size + * + */ + virtual int rows(void); + + /** put a char on the screen + * + * @param value char to print + * @returns printed char + * + */ + virtual int _putc(int value); + + /** draw a character on given position out of the active font to the TFT + * + * @param x x-position of char (top left) + * @param y y-position + * @param c char to print + * + */ + virtual void character(int x, int y, int c); + + /** paint a bitmap on the TFT + * + * @param x,y : upper left corner + * @param w width of bitmap + * @param h high of bitmap + * @param *bitmap pointer to the bitmap data + * + * bitmap format: 16 bit R5 G6 B5 + * + * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5 + * use winhex to load this file and mark data stating at offset 0x46 to end + * use edit -> copy block -> C Source to export C array + * paste this array into your program + * + * define the array as static const unsigned char to put it into flash memory + * cast the pointer to (unsigned char *) : + * tft.Bitmap(10,40,309,50,(unsigned char *)scala); + */ + void Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap); + + + /** paint a 16 bit BMP from local filesytem on the TFT (slow) + * + * @param x,y : upper left corner + * @param *Name_BMP name of the BMP file + * @returns 1 if bmp file was found and painted + * @returns -1 if bmp file was found not found + * @returns -2 if bmp file is not 16bit + * @returns -3 if bmp file is to big for screen + * @returns -4 if buffer malloc go wrong + * + * bitmap format: 16 bit R5 G6 B5 + * + * use Gimp to create / load , save as BMP, option 16 bit R5 G6 B5 + * copy to internal file system + * + */ + + int BMP_16(unsigned int x, unsigned int y, const char *Name_BMP); + + /** Read an area from the LCD RAM to MCU RAM + * + * @param x,y : upper left corner + * @param w width of bitmap + * @param h high of bitmap + * @param *buffer pointer to the buffer + */ + + void read_area(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *buffer); + + /** select the font to use + * + * @param f pointer to font array + * + * font array can created with GLCD Font Creator from http://www.mikroe.com + * you have to add 4 parameter at the beginning of the font array to use: + * - the number of byte / char + * - the vertial size in pixel + * - the horizontal size in pixel + * - the number of byte per vertical line + * you also have to change the array to char[] + * + */ + void set_font(unsigned char* f); + + /** Set the orientation of the screen + * x,y: 0,0 is always top left + * + * @param o direction to use the screen (0-3) 90� Steps + * + */ + void set_orientation(unsigned int o); + + //SPI _spi; + BurstSPI _spi; + DigitalOut _cs; + DigitalOut _rs; + DigitalOut _reset; + unsigned char* font; + +//protected: + + /** draw a horizontal line + * + * @param x0 horizontal start + * @param x1 horizontal stop + * @param y vertical position + * @param color 16 bit color + * + */ + void hline(int x0, int x1, int y, int colour); + + /** draw a vertical line + * + * @param x horizontal position + * @param y0 vertical start + * @param y1 vertical stop + * @param color 16 bit color + */ + void vline(int y0, int y1, int x, int colour); + + /** Set draw window region + * + * @param x horizontal position + * @param y vertical position + * @param w window width in pixel + * @param h window height in pixels + */ +protected: + void window (unsigned int x, unsigned int y, unsigned int w, unsigned int h); + + /** Set draw window region to whole screen + * + */ + void WindowMax (void); + + /** Init the ST7735 controller + * + */ + + void tft_reset(); + + /** Write data to the LCD controller + * + * @param dat data written to LCD controller + * + */ + void wr_dat(int value); + + /** Write a command the LCD controller + * + * @param cmd: command to be written + * + */ + void wr_cmd(int value); + + /** Start data sequence to the LCD controller + * + */ + void wr_dat_start(); + + /** Stop of data writing to the LCD controller + * + */ + void wr_dat_stop(); + + /** write data to the LCD controller + * + * @param data to be written + * * + */ + void wr_dat_only(unsigned short dat); + + /** Read data from the LCD controller + * + * @returns data from LCD controller + * + */ + unsigned short rd_dat(void); + + /** Write a value to the to a LCD register + * + * @param reg register to be written + * @param val data to be written + */ + void wr_reg (unsigned char reg, unsigned short val); + + /** Read a LCD register + * + * @param reg register to be read + * @returns value of the register + */ + unsigned short rd_reg (unsigned char reg); + + unsigned int orientation; + unsigned int char_x; + unsigned int char_y; +}; +#endif