Sérgio Natan
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