478 lines
17 KiB
C++
478 lines
17 KiB
C++
/***************************************************
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Arduino TFT graphics library targetted at ESP8266
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based boards. (ESP32 support is planned!)
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This library has been derived from the Adafruit_GFX
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library and the associated driver library. See text
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at the end of this file.
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This is a standalone library that contains the
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hardware driver, the graphics funtions and the
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proportional fonts.
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The larger fonts are Run Length Encoded to reduce
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their FLASH footprint.
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****************************************************/
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// Stop fonts etc being loaded multiple times
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#ifndef _TFT_eSPIH_
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#define _TFT_eSPIH_
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//#define ESP32 //Just used to test ESP32 options
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// Include header file that defines the fonts loaded, the TFT drivers
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// available and the pins to be used
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#include <User_Setup_Select.h>
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// If the frequency is not defined, set a default
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#ifndef SPI_FREQUENCY
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#define SPI_FREQUENCY 20000000
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#endif
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// Only load the fonts defined in User_Setup.h (to save space)
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// Set flag so RLE rendering code is optionally compiled
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#ifdef LOAD_GLCD
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#include <Fonts/glcdfont.c>
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#endif
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#ifdef LOAD_FONT2
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#include <Fonts/Font16.h>
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#endif
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#ifdef LOAD_FONT4
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#include <Fonts/Font32rle.h>
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#define LOAD_RLE
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#endif
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#ifdef LOAD_FONT6
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#include <Fonts/Font64rle.h>
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#ifndef LOAD_RLE
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#define LOAD_RLE
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#endif
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#endif
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#ifdef LOAD_FONT7
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#include <Fonts/Font7srle.h>
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#ifndef LOAD_RLE
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#define LOAD_RLE
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#endif
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#endif
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#ifdef LOAD_FONT8
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#include <Fonts/Font72rle.h>
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#ifndef LOAD_RLE
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#define LOAD_RLE
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#endif
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#endif
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#include <Arduino.h>
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#include <Print.h>
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#include <pgmspace.h>
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#include <SPI.h>
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#if defined (ESP8266) && defined (D0_USED_FOR_DC)
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#define DC_C digitalWrite(TFT_DC, LOW)
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#define DC_D digitalWrite(TFT_DC, HIGH)
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#elif defined (ESP32)
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//#define DC_C digitalWrite(TFT_DC, HIGH); GPIO.out_w1tc = (1 << TFT_DC)//digitalWrite(TFT_DC, LOW)
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//#define DC_D digitalWrite(TFT_DC, LOW); GPIO.out_w1ts = (1 << TFT_DC)//digitalWrite(TFT_DC, HIGH)
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#define DC_C GPIO.out_w1ts = (1 << TFT_DC); GPIO.out_w1ts = (1 << TFT_DC); GPIO.out_w1tc = (1 << TFT_DC)
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#define DC_D GPIO.out_w1ts = (1 << TFT_DC); GPIO.out_w1ts = (1 << TFT_DC)
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#else
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#define DC_C GPOC=dcpinmask
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#define DC_D GPOS=dcpinmask
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#endif
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#ifndef TFT_CS
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#define CS_L // No macro allocated so it generates no code
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#define CS_H // No macro allocated so it generates no code
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#else
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#if defined (ESP8266) && defined (D0_USED_FOR_CS)
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#define CS_L digitalWrite(TFT_CS, LOW)
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#define CS_H digitalWrite(TFT_CS, HIGH)
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#elif defined (ESP32)
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//#define CS_L digitalWrite(TFT_CS, HIGH); GPIO.out_w1tc = (1 << TFT_CS)//digitalWrite(TFT_CS, LOW)
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//#define CS_H digitalWrite(TFT_CS, LOW); GPIO.out_w1ts = (1 << TFT_CS)//digitalWrite(TFT_CS, HIGH)
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#define CS_L GPIO.out_w1tc = (1 << TFT_CS);GPIO.out_w1tc = (1 << TFT_CS)
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#define CS_H GPIO.out_w1ts = (1 << TFT_CS)
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#else
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#define CS_L GPOC=cspinmask
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#define CS_H GPOS=cspinmask
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#endif
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#endif
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#ifdef TFT_WR
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#if defined (ESP32)
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#define WR_L digitalWrite(TFT_WR, LOW)
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#define WR_H digitalWrite(TFT_WR, HIGH)
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#else
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#define WR_L GPOC=wrpinmask
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#define WR_H GPOS=wrpinmask
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#endif
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#endif
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#ifdef LOAD_GFXFF
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// We can include all the free fonts and they will only be built into
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// the sketch if they are used
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#include <Fonts/GFXFF/gfxfont.h>
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// Call up any user custom fonts
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#include <User_Setups/User_Custom_Fonts.h>
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// Original Adafruit_GFX "Free Fonts"
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#include <Fonts/GFXFF/TomThumb.h> // TT1
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#include <Fonts/GFXFF/FreeMono9pt7b.h> // FF1 or FM9
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#include <Fonts/GFXFF/FreeMono12pt7b.h> // FF2 or FM12
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#include <Fonts/GFXFF/FreeMono18pt7b.h> // FF3 or FM18
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#include <Fonts/GFXFF/FreeMono24pt7b.h> // FF4 or FM24
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#include <Fonts/GFXFF/FreeMonoOblique9pt7b.h> // FF5 or FMO9
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#include <Fonts/GFXFF/FreeMonoOblique12pt7b.h> // FF6 or FMO12
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#include <Fonts/GFXFF/FreeMonoOblique18pt7b.h> // FF7 or FMO18
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#include <Fonts/GFXFF/FreeMonoOblique24pt7b.h> // FF8 or FMO24
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#include <Fonts/GFXFF/FreeMonoBold9pt7b.h> // FF9 or FMB9
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#include <Fonts/GFXFF/FreeMonoBold12pt7b.h> // FF10 or FMB12
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#include <Fonts/GFXFF/FreeMonoBold18pt7b.h> // FF11 or FMB18
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#include <Fonts/GFXFF/FreeMonoBold24pt7b.h> // FF12 or FMB24
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#include <Fonts/GFXFF/FreeMonoBoldOblique9pt7b.h> // FF13 or FMBO9
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#include <Fonts/GFXFF/FreeMonoBoldOblique12pt7b.h> // FF14 or FMBO12
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#include <Fonts/GFXFF/FreeMonoBoldOblique18pt7b.h> // FF15 or FMBO18
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#include <Fonts/GFXFF/FreeMonoBoldOblique24pt7b.h> // FF16 or FMBO24
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// Sans serif fonts
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#include <Fonts/GFXFF/FreeSans9pt7b.h> // FF17 or FSS9
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#include <Fonts/GFXFF/FreeSans12pt7b.h> // FF18 or FSS12
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#include <Fonts/GFXFF/FreeSans18pt7b.h> // FF19 or FSS18
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#include <Fonts/GFXFF/FreeSans24pt7b.h> // FF20 or FSS24
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#include <Fonts/GFXFF/FreeSansOblique9pt7b.h> // FF21 or FSSO9
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#include <Fonts/GFXFF/FreeSansOblique12pt7b.h> // FF22 or FSSO12
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#include <Fonts/GFXFF/FreeSansOblique18pt7b.h> // FF23 or FSSO18
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#include <Fonts/GFXFF/FreeSansOblique24pt7b.h> // FF24 or FSSO24
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#include <Fonts/GFXFF/FreeSansBold9pt7b.h> // FF25 or FSSB9
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#include <Fonts/GFXFF/FreeSansBold12pt7b.h> // FF26 or FSSB12
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#include <Fonts/GFXFF/FreeSansBold18pt7b.h> // FF27 or FSSB18
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#include <Fonts/GFXFF/FreeSansBold24pt7b.h> // FF28 or FSSB24
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#include <Fonts/GFXFF/FreeSansBoldOblique9pt7b.h> // FF29 or FSSBO9
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#include <Fonts/GFXFF/FreeSansBoldOblique12pt7b.h> // FF30 or FSSBO12
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#include <Fonts/GFXFF/FreeSansBoldOblique18pt7b.h> // FF31 or FSSBO18
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#include <Fonts/GFXFF/FreeSansBoldOblique24pt7b.h> // FF32 or FSSBO24
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// Serif fonts
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#include <Fonts/GFXFF/FreeSerif9pt7b.h> // FF33 or FS9
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#include <Fonts/GFXFF/FreeSerif12pt7b.h> // FF34 or FS12
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#include <Fonts/GFXFF/FreeSerif18pt7b.h> // FF35 or FS18
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#include <Fonts/GFXFF/FreeSerif24pt7b.h> // FF36 or FS24
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#include <Fonts/GFXFF/FreeSerifItalic9pt7b.h> // FF37 or FSI9
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#include <Fonts/GFXFF/FreeSerifItalic12pt7b.h> // FF38 or FSI12
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#include <Fonts/GFXFF/FreeSerifItalic18pt7b.h> // FF39 or FSI18
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#include <Fonts/GFXFF/FreeSerifItalic24pt7b.h> // FF40 or FSI24
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#include <Fonts/GFXFF/FreeSerifBold9pt7b.h> // FF41 or FSB9
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#include <Fonts/GFXFF/FreeSerifBold12pt7b.h> // FF42 or FSB12
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#include <Fonts/GFXFF/FreeSerifBold18pt7b.h> // FF43 or FSB18
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#include <Fonts/GFXFF/FreeSerifBold24pt7b.h> // FF44 or FSB24
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#include <Fonts/GFXFF/FreeSerifBoldItalic9pt7b.h> // FF45 or FSBI9
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#include <Fonts/GFXFF/FreeSerifBoldItalic12pt7b.h> // FF46 or FSBI12
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#include <Fonts/GFXFF/FreeSerifBoldItalic18pt7b.h> // FF47 or FSBI18
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#include <Fonts/GFXFF/FreeSerifBoldItalic24pt7b.h> // FF48 or FSBI24
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#endif // #ifdef LOAD_GFXFF
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//These enumerate the text plotting alignment (reference datum point)
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#define TL_DATUM 0 // Top left (default)
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#define TC_DATUM 1 // Top centre
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#define TR_DATUM 2 // Top right
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#define ML_DATUM 3 // Middle left
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#define CL_DATUM 3 // Centre left, same as above
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#define MC_DATUM 4 // Middle centre
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#define CC_DATUM 4 // Centre centre, same as above
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#define MR_DATUM 5 // Middle right
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#define CR_DATUM 5 // Centre right, same as above
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#define BL_DATUM 6 // Bottom left
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#define BC_DATUM 7 // Bottom centre
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#define BR_DATUM 8 // Bottom right
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#define L_BASELINE 9 // Left character baseline (Line the 'A' character would sit on)
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#define C_BASELINE 10 // Centre character baseline
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#define R_BASELINE 11 // Right character baseline
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// New color definitions use for all my libraries
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#define TFT_BLACK 0x0000 /* 0, 0, 0 */
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#define TFT_NAVY 0x000F /* 0, 0, 128 */
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#define TFT_DARKGREEN 0x03E0 /* 0, 128, 0 */
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#define TFT_DARKCYAN 0x03EF /* 0, 128, 128 */
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#define TFT_MAROON 0x7800 /* 128, 0, 0 */
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#define TFT_PURPLE 0x780F /* 128, 0, 128 */
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#define TFT_OLIVE 0x7BE0 /* 128, 128, 0 */
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#define TFT_LIGHTGREY 0xC618 /* 192, 192, 192 */
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#define TFT_DARKGREY 0x7BEF /* 128, 128, 128 */
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#define TFT_BLUE 0x001F /* 0, 0, 255 */
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#define TFT_GREEN 0x07E0 /* 0, 255, 0 */
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#define TFT_CYAN 0x07FF /* 0, 255, 255 */
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#define TFT_RED 0xF800 /* 255, 0, 0 */
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#define TFT_MAGENTA 0xF81F /* 255, 0, 255 */
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#define TFT_YELLOW 0xFFE0 /* 255, 255, 0 */
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#define TFT_WHITE 0xFFFF /* 255, 255, 255 */
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#define TFT_ORANGE 0xFD20 /* 255, 165, 0 */
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#define TFT_GREENYELLOW 0xAFE5 /* 173, 255, 47 */
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#define TFT_PINK 0xF81F
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// Swap any type
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template <typename T> static inline void
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swap_coord(T& a, T& b) { T t = a; a = b; b = t; }
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// This is a structure to conveniently hold infomation on the default fonts
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// Stores pointer to font character image address table, width table and height
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typedef struct {
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const uint8_t *chartbl;
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const uint8_t *widthtbl;
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uint8_t height;
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uint8_t baseline;
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} fontinfo;
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// Now fill the structure
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const PROGMEM fontinfo fontdata [] = {
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{ 0, 0, 0, 0 },
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// GLCD font (Font 1) does not have all parameters
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{ 0, 0, 8, 7 },
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#ifdef LOAD_FONT2
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{ (const uint8_t *)chrtbl_f16, widtbl_f16, chr_hgt_f16, baseline_f16},
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#else
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{ 0, 0, 0, 0 },
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#endif
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// Font 3 current unused
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{ 0, 0, 0, 0 },
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#ifdef LOAD_FONT4
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{ (const uint8_t *)chrtbl_f32, widtbl_f32, chr_hgt_f32, baseline_f32},
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#else
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{ 0, 0, 0, 0 },
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#endif
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// Font 5 current unused
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{ 0, 0, 0, 0 },
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#ifdef LOAD_FONT6
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{ (const uint8_t *)chrtbl_f64, widtbl_f64, chr_hgt_f64, baseline_f64},
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#else
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{ 0, 0, 0, 0 },
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#endif
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#ifdef LOAD_FONT7
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{ (const uint8_t *)chrtbl_f7s, widtbl_f7s, chr_hgt_f7s, baseline_f7s},
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#else
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{ 0, 0, 0, 0 },
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#endif
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#ifdef LOAD_FONT8
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{ (const uint8_t *)chrtbl_f72, widtbl_f72, chr_hgt_f72, baseline_f72}
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#else
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{ 0, 0, 0, 0 }
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#endif
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};
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// Class functions and variables
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class TFT_eSPI : public Print {
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public:
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TFT_eSPI(int16_t _W = TFT_WIDTH, int16_t _H = TFT_HEIGHT);
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void init(void), begin(void); // Same - begin included for backwards compatibility
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void drawPixel(uint32_t x, uint32_t y, uint32_t color);
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void drawChar(int32_t x, int32_t y, unsigned char c, uint32_t color, uint32_t bg, uint8_t font),
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setWindow(int16_t x0, int16_t y0, int16_t x1, int16_t y1),
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pushColor(uint16_t color),
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pushColor(uint16_t color, uint16_t len),
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pushColors(uint16_t *data, uint8_t len),
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pushColors(uint8_t *data, uint32_t len),
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fillScreen(uint32_t color),
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drawLine(int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t color),
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drawFastVLine(int32_t x, int32_t y, int32_t h, uint32_t color),
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drawFastHLine(int32_t x, int32_t y, int32_t w, uint32_t color),
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drawRect(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color),
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fillRect(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color),
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drawRoundRect(int32_t x0, int32_t y0, int32_t w, int32_t h, int32_t radius, uint32_t color),
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fillRoundRect(int32_t x0, int32_t y0, int32_t w, int32_t h, int32_t radius, uint32_t color),
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setRotation(uint8_t r),
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invertDisplay(boolean i),
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drawCircle(int32_t x0, int32_t y0, int32_t r, uint32_t color),
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drawCircleHelper(int32_t x0, int32_t y0, int32_t r, uint8_t cornername, uint32_t color),
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fillCircle(int32_t x0, int32_t y0, int32_t r, uint32_t color),
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fillCircleHelper(int32_t x0, int32_t y0, int32_t r, uint8_t cornername, int32_t delta, uint32_t color),
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drawEllipse(int16_t x0, int16_t y0, int16_t rx, int16_t ry, uint16_t color),
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fillEllipse(int16_t x0, int16_t y0, int16_t rx, int16_t ry, uint16_t color),
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drawTriangle(int32_t x0, int32_t y0, int32_t x1, int32_t y1, int32_t x2, int32_t y2, uint32_t color),
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fillTriangle(int32_t x0, int32_t y0, int32_t x1, int32_t y1, int32_t x2, int32_t y2, uint32_t color),
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drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color),
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setCursor(int16_t x, int16_t y),
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setCursor(int16_t x, int16_t y, uint8_t font),
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setTextColor(uint16_t color),
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setTextColor(uint16_t fgcolor, uint16_t bgcolor),
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setTextSize(uint8_t size),
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setTextWrap(boolean wrap),
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setTextDatum(uint8_t datum),
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setTextPadding(uint16_t x_width),
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#ifdef LOAD_GFXFF
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setFreeFont(const GFXfont *f = NULL),
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setTextFont(uint8_t font),
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#else
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setFreeFont(uint8_t font),
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setTextFont(uint8_t font),
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#endif
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spiwrite(uint8_t),
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writecommand(uint8_t c),
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writedata(uint8_t d),
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commandList(const uint8_t *addr);
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uint8_t readcommand8(uint8_t cmd_function, uint8_t index);
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uint16_t readcommand16(uint8_t cmd_function, uint8_t index);
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uint32_t readcommand32(uint8_t cmd_function, uint8_t index);
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// Read the colour of a pixel at x,y and return value in 565 format
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uint16_t readPixel(int32_t x0, int32_t y0);
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// The next functions can be used as a pair to copy screen blocks (or horizontal/vertical lines) to another location
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// Read a block of pixels to a data buffer, buffer is 16 bit and the array size must be at least w * h
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void readRect(uint32_t x0, uint32_t y0, uint32_t w, uint32_t h, uint16_t *data);
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// Write a block of pixels to the screen
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void pushRect(uint32_t x0, uint32_t y0, uint32_t w, uint32_t h, uint16_t *data);
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// This next function has been used successfully to dump the TFT screen to a PC for documentation purposes
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// It reads a screen area and returns the RGB 8 bit colour values of each pixel
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// Set w and h to 1 to read 1 pixel's colour. The data buffer must be at least w * h * 3 bytes
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void readRectRGB(int32_t x0, int32_t y0, int32_t w, int32_t h, uint8_t *data);
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uint8_t getRotation(void);
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uint16_t fontsLoaded(void),
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color565(uint8_t r, uint8_t g, uint8_t b);
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int16_t drawChar(unsigned int uniCode, int x, int y, int font),
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drawChar(unsigned int uniCode, int x, int y),
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drawNumber(long long_num,int poX, int poY, int font),
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drawNumber(long long_num,int poX, int poY),
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drawFloat(float floatNumber,int decimal,int poX, int poY, int font),
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drawFloat(float floatNumber,int decimal,int poX, int poY),
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// Handle char arrays
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drawString(const char *string, int poX, int poY, int font),
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drawString(const char *string, int poX, int poY),
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drawCentreString(const char *string, int dX, int poY, int font), // Deprecated, use setTextDatum() and drawString()
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drawRightString(const char *string, int dX, int poY, int font), // Deprecated, use setTextDatum() and drawString()
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|
// Handle String type
|
|
drawString(const String& string, int poX, int poY, int font),
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|
drawString(const String& string, int poX, int poY),
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|
drawCentreString(const String& string, int dX, int poY, int font), // Deprecated, use setTextDatum() and drawString()
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drawRightString(const String& string, int dX, int poY, int font); // Deprecated, use setTextDatum() and drawString()
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|
|
int16_t height(void),
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|
width(void),
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|
textWidth(const char *string, int font),
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|
textWidth(const char *string),
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|
textWidth(const String& string, int font),
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|
textWidth(const String& string),
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|
fontHeight(int16_t font);
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|
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void setAddrWindow(int32_t xs, int32_t ys, int32_t xe, int32_t ye);
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|
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virtual size_t write(uint8_t);
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private:
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inline void spi_begin() __attribute__((always_inline));
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inline void spi_end() __attribute__((always_inline));
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void readAddrWindow(int32_t xs, int32_t ys, int32_t xe, int32_t ye);
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|
|
|
uint8_t tabcolor,
|
|
colstart = 0, rowstart = 0; // some ST7735 displays need this changed
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|
|
|
volatile uint32_t *dcport, *csport;//, *mosiport, *clkport, *rsport;
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|
|
|
uint32_t cspinmask, dcpinmask, wrpinmask;//, mosipinmask, clkpinmask;
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|
|
uint32_t lastColor = 0xFFFF;
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|
|
|
protected:
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|
|
|
int32_t cursor_x, cursor_y, win_xe, win_ye, padX;
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|
|
|
uint32_t _width, _height; // Display w/h as modified by current rotation
|
|
uint32_t textcolor, textbgcolor, fontsloaded, addr_row, addr_col;
|
|
|
|
uint8_t glyph_ab, // glyph height above baseline
|
|
glyph_bb, // glyph height below baseline
|
|
textfont, // Current selected font
|
|
textsize, // Current font size multiplier
|
|
textdatum, // Text reference datum
|
|
rotation; // Display rotation (0-3)
|
|
|
|
boolean textwrap; // If set, 'wrap' text at right edge of display
|
|
|
|
boolean locked, inTransaction; // Transaction and mutex lock flags for ESP32
|
|
|
|
#ifdef LOAD_GFXFF
|
|
GFXfont
|
|
*gfxFont;
|
|
#endif
|
|
|
|
};
|
|
|
|
#endif
|
|
|
|
/***************************************************
|
|
|
|
ORIGINAL LIBRARY HEADER
|
|
|
|
This is our library for the Adafruit ILI9341 Breakout and Shield
|
|
----> http://www.adafruit.com/products/1651
|
|
|
|
Check out the links above for our tutorials and wiring diagrams
|
|
These displays use SPI to communicate, 4 or 5 pins are required to
|
|
interface (RST is optional)
|
|
Adafruit invests time and resources providing this open source code,
|
|
please support Adafruit and open-source hardware by purchasing
|
|
products from Adafruit!
|
|
|
|
Written by Limor Fried/Ladyada for Adafruit Industries.
|
|
MIT license, all text above must be included in any redistribution
|
|
|
|
Updated with new functions by Bodmer 14/4/15
|
|
****************************************************/
|