923 lines
33 KiB
C++
923 lines
33 KiB
C++
/***************************************************
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Arduino TFT graphics library targeted at ESP8266
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and ESP32 based boards.
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This is a standalone library that contains the
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hardware driver, the graphics functions 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 TFT_ESPI_VERSION "1.4.5"
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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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#ifndef TAB_COLOUR
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#define TAB_COLOUR 0
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#endif
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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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// If the frequency is not defined, set a default
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#ifndef SPI_READ_FREQUENCY
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#define SPI_READ_FREQUENCY SPI_FREQUENCY
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#endif
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#if defined(ST7789_DRIVER) || defined(ST7789_2_DRIVER)
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#define TFT_SPI_MODE SPI_MODE3
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#else
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#define TFT_SPI_MODE SPI_MODE0
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#endif
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// If the frequency is not defined, set a default
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#ifndef SPI_TOUCH_FREQUENCY
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#define SPI_TOUCH_FREQUENCY 2500000
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#endif
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// Use GLCD font in error case where user requests a smooth font file
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// that does not exist (this is a temporary fix to stop ESP32 reboot)
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#ifdef SMOOTH_FONT
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#ifndef LOAD_GLCD
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#define LOAD_GLCD
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#endif
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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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#elif defined LOAD_FONT8N
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#define LOAD_FONT8
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#include <Fonts/Font72x53rle.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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#ifdef ESP32
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#include "soc/spi_reg.h"
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#ifdef USE_HSPI_PORT
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#define SPI_PORT HSPI
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#else
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#define SPI_PORT VSPI
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#endif
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#endif
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#ifdef SMOOTH_FONT
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// Call up the SPIFFS FLASH filing system for the anti-aliased fonts
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#define FS_NO_GLOBALS
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#include <FS.h>
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#ifdef ESP32
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#include "SPIFFS.h"
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#endif
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#endif
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#ifndef TFT_DC
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#define DC_C // No macro allocated so it generates no code
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#define DC_D // No macro allocated so it generates no code
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#else
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#if defined (ESP8266) && (TFT_DC == 16)
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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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#if defined (ESP32_PARALLEL)
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#define DC_C GPIO.out_w1tc = (1 << TFT_DC)
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#define DC_D GPIO.out_w1ts = (1 << TFT_DC)
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#else
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#if TFT_DC >= 32
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#ifdef RPI_ILI9486_DRIVER // RPi display needs a slower DC change
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#define DC_C GPIO.out1_w1ts.val = (1 << (TFT_DC - 32)); \
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GPIO.out1_w1tc.val = (1 << (TFT_DC - 32))
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#define DC_D GPIO.out1_w1tc.val = (1 << (TFT_DC - 32)); \
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GPIO.out1_w1ts.val = (1 << (TFT_DC - 32))
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#else
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#define DC_C GPIO.out1_w1tc.val = (1 << (TFT_DC - 32))//;GPIO.out1_w1tc.val = (1 << (TFT_DC - 32))
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#define DC_D GPIO.out1_w1ts.val = (1 << (TFT_DC - 32))//;GPIO.out1_w1ts.val = (1 << (TFT_DC - 32))
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#endif
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#else
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#if TFT_DC >= 0
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#ifdef RPI_ILI9486_DRIVER // RPi display needs a slower DC change
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#define DC_C GPIO.out_w1ts = (1 << TFT_DC); \
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GPIO.out_w1tc = (1 << TFT_DC)
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#define DC_D GPIO.out_w1tc = (1 << TFT_DC); \
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GPIO.out_w1ts = (1 << TFT_DC)
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#else
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#define DC_C GPIO.out_w1tc = (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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#endif
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#else
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#define DC_C
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#define DC_D
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#endif
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#endif
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#endif
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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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#endif
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#if defined (TFT_SPI_OVERLAP)
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#undef TFT_CS
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#define SPI1U_WRITE (SPIUMOSI | SPIUSSE | SPIUCSSETUP | SPIUCSHOLD)
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#define SPI1U_READ (SPIUMOSI | SPIUSSE | SPIUCSSETUP | SPIUCSHOLD | SPIUDUPLEX)
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#else
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#ifdef ESP8266
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#define SPI1U_WRITE (SPIUMOSI | SPIUSSE)
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#define SPI1U_READ (SPIUMOSI | SPIUSSE | SPIUDUPLEX)
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#endif
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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) && (TFT_CS == 16)
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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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#if defined (ESP32_PARALLEL)
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#define CS_L // The TFT CS is set permanently low during init()
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#define CS_H
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#else
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#if TFT_CS >= 32
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#ifdef RPI_ILI9486_DRIVER // RPi display needs a slower CS change
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#define CS_L GPIO.out1_w1ts.val = (1 << (TFT_CS - 32)); \
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GPIO.out1_w1tc.val = (1 << (TFT_CS - 32))
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#define CS_H GPIO.out1_w1tc.val = (1 << (TFT_CS - 32)); \
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GPIO.out1_w1ts.val = (1 << (TFT_CS - 32))
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#else
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#define CS_L GPIO.out1_w1tc.val = (1 << (TFT_CS - 32)); GPIO.out1_w1tc.val = (1 << (TFT_CS - 32))
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#define CS_H GPIO.out1_w1ts.val = (1 << (TFT_CS - 32))//;GPIO.out1_w1ts.val = (1 << (TFT_CS - 32))
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#endif
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#else
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#if TFT_CS >= 0
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#ifdef RPI_ILI9486_DRIVER // RPi display needs a slower CS change
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#define CS_L GPIO.out_w1ts = (1 << TFT_CS); GPIO.out_w1tc = (1 << TFT_CS)
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#define CS_H GPIO.out_w1tc = (1 << TFT_CS); GPIO.out_w1ts = (1 << TFT_CS)
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#else
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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)//;GPIO.out_w1ts = (1 << TFT_CS)
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#endif
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#else
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#define CS_L
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#define CS_H
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#endif
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#endif
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#endif
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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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// Use single register write for CS_L and DC_C if pins are both in range 0-31
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#ifdef ESP32
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#ifdef TFT_CS
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#if (TFT_CS >= 0) && (TFT_CS < 32) && (TFT_DC >= 0) && (TFT_DC < 32)
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#ifdef RPI_ILI9486_DRIVER // RPi display needs a slower CD and DC change
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#define CS_L_DC_C GPIO.out_w1tc = ((1 << TFT_CS) | (1 << TFT_DC)); \
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GPIO.out_w1tc = ((1 << TFT_CS) | (1 << TFT_DC))
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#else
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#define CS_L_DC_C GPIO.out_w1tc = ((1 << TFT_CS) | (1 << TFT_DC)); GPIO.out_w1tc = ((1 << TFT_CS) | (1 << TFT_DC))
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#endif
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#else
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#define CS_L_DC_C CS_L; DC_C
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#endif
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#else
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#define CS_L_DC_C CS_L; DC_C
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#endif
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#else // ESP8266
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#define CS_L_DC_C CS_L; DC_C
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#endif
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// chip select signal for touchscreen
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#ifndef TOUCH_CS
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#define T_CS_L // No macro allocated so it generates no code
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#define T_CS_H // No macro allocated so it generates no code
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#else
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#define T_CS_L digitalWrite(TOUCH_CS, LOW)
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#define T_CS_H digitalWrite(TOUCH_CS, HIGH)
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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 GPIO.out_w1tc = (1 << TFT_WR)
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#define WR_H GPIO.out_w1ts = (1 << TFT_WR)
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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 ESP8266
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// Concatenate two 16 bit values for the SPI 32 bit register write
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#define SPI_32(H,L) ( (H)<<16 | (L) )
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#define COL_32(H,L) ( (H)<<16 | (L) )
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#else
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#if defined (ESP32_PARALLEL) || defined (ILI9488_DRIVER)
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#define SPI_32(H,L) ( (H)<<16 | (L) )
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#else
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#define SPI_32(H,L) ( ((H)<<8 | (H)>>8) | (((L)<<8 | (L)>>8)<<16 ) )
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#endif
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// Swap byte order for concatenated 16 bit colors
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// AB CD -> DCBA for 32 bit register write
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#define COL_32(H,L) ( ((H)<<8 | (H)>>8) | (((L)<<8 | (L)>>8)<<16 ) )
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#endif
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#if defined (ESP32) && defined (ESP32_PARALLEL)
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// Mask for the 8 data bits to set pin directions
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#define dir_mask ((1 << TFT_D0) | (1 << TFT_D1) | (1 << TFT_D2) | (1 << TFT_D3) | (1 << TFT_D4) | (1 << TFT_D5) | (1 << TFT_D6) | (1 << TFT_D7))
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// Data bits and the write line are cleared to 0 in one step
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#define clr_mask (dir_mask | (1 << TFT_WR))
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// A lookup table is used to set the different bit patterns, this uses 1kByte of RAM
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#define set_mask(C) xset_mask[C] // 63fps Sprite rendering test 33% faster, graphicstest only 1.8% faster than shifting in real time
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// Real-time shifting alternative to above to save 1KByte RAM, 47 fps Sprite rendering test
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/*#define set_mask(C) ((C&0x80)>>7)<<TFT_D7 | ((C&0x40)>>6)<<TFT_D6 | ((C&0x20)>>5)<<TFT_D5 | ((C&0x10)>>4)<<TFT_D4 | \
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((C&0x08)>>3)<<TFT_D3 | ((C&0x04)>>2)<<TFT_D2 | ((C&0x02)>>1)<<TFT_D1 | ((C&0x01)>>0)<<TFT_D0
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//*/
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// Write 8 bits to TFT
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#define tft_Write_8(C) GPIO.out_w1tc = clr_mask; GPIO.out_w1ts = set_mask((uint8_t)C); WR_H
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// Write 16 bits to TFT
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#ifdef PSEUDO_8_BIT
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#define tft_Write_16(C) WR_L;GPIO.out_w1tc = clr_mask; GPIO.out_w1ts = set_mask((uint8_t)(C >> 0)); WR_H
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#else
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#define tft_Write_16(C) GPIO.out_w1tc = clr_mask; GPIO.out_w1ts = set_mask((uint8_t)(C >> 8)); WR_H; \
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GPIO.out_w1tc = clr_mask; GPIO.out_w1ts = set_mask((uint8_t)(C >> 0)); WR_H
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#endif
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// 16 bit write with swapped bytes
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#define tft_Write_16S(C) GPIO.out_w1tc = clr_mask; GPIO.out_w1ts = set_mask((uint8_t) (C >> 0)); WR_H; \
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GPIO.out_w1tc = clr_mask; GPIO.out_w1ts = set_mask((uint8_t) (C >> 8)); WR_H
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// Write 32 bits to TFT
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#define tft_Write_32(C) GPIO.out_w1tc = clr_mask; GPIO.out_w1ts = set_mask((uint8_t) (C >> 24)); WR_H; \
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GPIO.out_w1tc = clr_mask; GPIO.out_w1ts = set_mask((uint8_t) (C >> 16)); WR_H; \
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GPIO.out_w1tc = clr_mask; GPIO.out_w1ts = set_mask((uint8_t) (C >> 8)); WR_H; \
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GPIO.out_w1tc = clr_mask; GPIO.out_w1ts = set_mask((uint8_t) (C >> 0)); WR_H
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#ifdef TFT_RD
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#define RD_L GPIO.out_w1tc = (1 << TFT_RD)
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//#define RD_L digitalWrite(TFT_WR, LOW)
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#define RD_H GPIO.out_w1ts = (1 << TFT_RD)
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//#define RD_H digitalWrite(TFT_WR, HIGH)
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#endif
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#elif defined (ILI9488_DRIVER) // 16 bit colour converted to 3 bytes for 18 bit RGB
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// Write 8 bits to TFT
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#define tft_Write_8(C) spi.transfer(C)
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// Convert 16 bit colour to 18 bit and write in 3 bytes
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#define tft_Write_16(C) spi.transfer((C & 0xF800)>>8); \
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spi.transfer((C & 0x07E0)>>3); \
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spi.transfer((C & 0x001F)<<3)
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// Convert swapped byte 16 bit colour to 18 bit and write in 3 bytes
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#define tft_Write_16S(C) spi.transfer(C & 0xF8); \
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spi.transfer((C & 0xE000)>>11 | (C & 0x07)<<5); \
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spi.transfer((C & 0x1F00)>>5)
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// Write 32 bits to TFT
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#define tft_Write_32(C) spi.write32(C)
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#elif defined (RPI_ILI9486_DRIVER)
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#define tft_Write_8(C) spi.transfer(0); spi.transfer(C)
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#define tft_Write_16(C) spi.write16(C)
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#define tft_Write_16S(C) spi.write16(C<<8 | C>>8)
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#define tft_Write_32(C) spi.write32(C)
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#elif defined ESP8266
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#define tft_Write_8(C) spi.write(C)
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#define tft_Write_16(C) spi.write16(C)
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#define tft_Write_32(C) spi.write32(C)
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#else // ESP32 using SPI with 16 bit color display
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// ESP32 low level SPI writes for 8, 16 and 32 bit values
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// to avoid the function call overhead
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// Write 8 bits
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#define tft_Write_8(C) \
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WRITE_PERI_REG(SPI_MOSI_DLEN_REG(SPI_PORT), 8-1); \
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WRITE_PERI_REG(SPI_W0_REG(SPI_PORT), C); \
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SET_PERI_REG_MASK(SPI_CMD_REG(SPI_PORT), SPI_USR); \
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while (READ_PERI_REG(SPI_CMD_REG(SPI_PORT))&SPI_USR);
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// Write 16 bits with corrected endianess for 16 bit colours
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#define tft_Write_16(C) \
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WRITE_PERI_REG(SPI_MOSI_DLEN_REG(SPI_PORT), 16-1); \
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WRITE_PERI_REG(SPI_W0_REG(SPI_PORT), C<<8 | C>>8); \
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SET_PERI_REG_MASK(SPI_CMD_REG(SPI_PORT), SPI_USR); \
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while (READ_PERI_REG(SPI_CMD_REG(SPI_PORT))&SPI_USR);
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// Write 16 bits
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#define tft_Write_16S(C) \
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WRITE_PERI_REG(SPI_MOSI_DLEN_REG(SPI_PORT), 16-1); \
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WRITE_PERI_REG(SPI_W0_REG(SPI_PORT), C); \
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SET_PERI_REG_MASK(SPI_CMD_REG(SPI_PORT), SPI_USR); \
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while (READ_PERI_REG(SPI_CMD_REG(SPI_PORT))&SPI_USR);
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// Write 32 bits
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#define tft_Write_32(C) \
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WRITE_PERI_REG(SPI_MOSI_DLEN_REG(SPI_PORT), 32-1); \
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WRITE_PERI_REG(SPI_W0_REG(SPI_PORT), C); \
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SET_PERI_REG_MASK(SPI_CMD_REG(SPI_PORT), SPI_USR); \
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while (READ_PERI_REG(SPI_CMD_REG(SPI_PORT))&SPI_USR);
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#endif
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#if !defined (ESP32_PARALLEL)
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// Read from display using SPI or software SPI
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#if defined (ESP8266) && defined (TFT_SDA_READ)
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// Use a bit banged function call for ESP8266 and bi-directional SDA pin
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#define SCLK_L GPOC=sclkpinmask
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#define SCLK_H GPOS=sclkpinmask
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#else
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// Use a SPI read transfer
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#define tft_Read_8() spi.transfer(0)
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#endif
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// Make sure TFT_MISO is defined if not used to avoid an error message
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#ifndef TFT_MISO
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#define TFT_MISO -1
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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 0xFDA0 /* 255, 180, 0 */
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#define TFT_GREENYELLOW 0xB7E0 /* 180, 255, 0 */
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#define TFT_PINK 0xFC9F
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// Next is a special 16 bit colour value that encodes to 8 bits
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// and will then decode back to the same 16 bit value.
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// Convenient for 8 bit and 16 bit transparent sprites.
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#define TFT_TRANSPARENT 0x0120
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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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#ifndef min
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// Return minimum of two numbers, may already be defined
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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// This structure allows sketches to retrieve the user setup parameters at runtime
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// by calling getSetup(), zero impact on code size unless used, mainly for diagnostics
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typedef struct
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{
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String version = TFT_ESPI_VERSION;
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int16_t esp;
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uint8_t trans;
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uint8_t serial;
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uint8_t overlap;
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#if defined (ESP32)
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#if defined (USE_HSPI_PORT)
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uint8_t port = HSPI;
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#else
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uint8_t port = VSPI;
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#endif
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#endif
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uint16_t tft_driver; // Hexadecimal code
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uint16_t tft_width; // Rotation 0 width and height
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uint16_t tft_height;
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uint8_t r0_x_offset; // Offsets, not all used yet
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uint8_t r0_y_offset;
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uint8_t r1_x_offset;
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uint8_t r1_y_offset;
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uint8_t r2_x_offset;
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uint8_t r2_y_offset;
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uint8_t r3_x_offset;
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uint8_t r3_y_offset;
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int8_t pin_tft_mosi;
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int8_t pin_tft_miso;
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int8_t pin_tft_clk;
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int8_t pin_tft_cs;
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int8_t pin_tft_dc;
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int8_t pin_tft_rd;
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int8_t pin_tft_wr;
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int8_t pin_tft_rst;
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int8_t pin_tft_d0;
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int8_t pin_tft_d1;
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int8_t pin_tft_d2;
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int8_t pin_tft_d3;
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int8_t pin_tft_d4;
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int8_t pin_tft_d5;
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int8_t pin_tft_d6;
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int8_t pin_tft_d7;
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int8_t pin_tch_cs;
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int16_t tft_spi_freq;
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int16_t tft_rd_freq;
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int16_t tch_spi_freq;
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} setup_t;
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// This is a structure to conveniently hold information on the default fonts
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// Stores pointer to font character image address table, width table and height
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// Create a null set in case some fonts not used (to prevent crash)
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const uint8_t widtbl_null[1] = {0};
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PROGMEM const uint8_t chr_null[1] = {0};
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PROGMEM const uint8_t* const chrtbl_null[1] = {chr_null};
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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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#ifdef LOAD_GLCD
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{ (const uint8_t *)font, widtbl_null, 0, 0 },
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#else
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{ (const uint8_t *)chrtbl_null, widtbl_null, 0, 0 },
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#endif
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// GLCD font (Font 1) does not have all parameters
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{ (const uint8_t *)chrtbl_null, widtbl_null, 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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{ (const uint8_t *)chrtbl_null, widtbl_null, 0, 0 },
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#endif
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// Font 3 current unused
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{ (const uint8_t *)chrtbl_null, widtbl_null, 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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{ (const uint8_t *)chrtbl_null, widtbl_null, 0, 0 },
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#endif
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// Font 5 current unused
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{ (const uint8_t *)chrtbl_null, widtbl_null, 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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{ (const uint8_t *)chrtbl_null, widtbl_null, 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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{ (const uint8_t *)chrtbl_null, widtbl_null, 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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{ (const uint8_t *)chrtbl_null, widtbl_null, 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(uint8_t tc = TAB_COLOUR), begin(uint8_t tc = TAB_COLOUR); // Same - begin included for backwards compatibility
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// These are virtual so the TFT_eSprite class can override them with sprite specific functions
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virtual void drawPixel(int32_t x, int32_t y, uint32_t color),
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drawChar(int32_t x, int32_t y, uint16_t c, uint32_t color, uint32_t bg, uint8_t size),
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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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fillRect(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color);
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virtual int16_t drawChar(uint16_t uniCode, int32_t x, int32_t y, uint8_t font),
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drawChar(uint16_t uniCode, int32_t x, int32_t y),
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height(void),
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width(void);
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// The TFT_eSprite class inherits the following functions
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void setWindow(int32_t xs, int32_t ys, int32_t xe, int32_t ye),
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pushColor(uint16_t color),
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pushColor(uint16_t color, uint32_t len),
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pushColors(uint16_t *data, uint32_t len, bool swap = true), // With byte swap option
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pushColors(uint8_t *data, uint32_t len),
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fillScreen(uint32_t color);
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void drawRect(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, int32_t rx, int32_t ry, uint16_t color),
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fillEllipse(int16_t x0, int16_t y0, int32_t rx, int32_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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drawXBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color),
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drawXBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t fgcolor, uint16_t bgcolor),
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setBitmapColor(uint16_t fgcolor, uint16_t bgcolor), // For 1bpp sprites
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setPivot(int16_t x, int16_t y),
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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 wrapX, boolean wrapY = false),
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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 = 0);
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uint16_t readcommand16(uint8_t cmd_function, uint8_t index = 0);
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uint32_t readcommand32(uint8_t cmd_function, uint8_t index = 0);
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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(int32_t x0, int32_t y0, int32_t w, int32_t h, uint16_t *data);
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// Write a block of pixels to the screen
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void pushRect(int32_t x0, int32_t y0, int32_t w, int32_t h, uint16_t *data);
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// These are used to render images or sprites stored in RAM arrays
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void pushImage(int32_t x0, int32_t y0, int32_t w, int32_t h, uint16_t *data);
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void pushImage(int32_t x0, int32_t y0, int32_t w, int32_t h, uint16_t *data, uint16_t transparent);
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// These are used to render images stored in FLASH (PROGMEM)
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void pushImage(int32_t x0, int32_t y0, int32_t w, int32_t h, const uint16_t *data, uint16_t transparent);
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void pushImage(int32_t x0, int32_t y0, int32_t w, int32_t h, const uint16_t *data);
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// These are used by pushSprite for 1 and 8 bit colours
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void pushImage(int32_t x0, int32_t y0, int32_t w, int32_t h, uint8_t *data, bool bpp8 = true);
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void pushImage(int32_t x0, int32_t y0, int32_t w, int32_t h, uint8_t *data, uint8_t transparent, bool bpp8 = true);
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// Swap the byte order for pushImage() - corrects endianness
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void setSwapBytes(bool swap);
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bool getSwapBytes(void);
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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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getTextDatum(void),
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color16to8(uint16_t color565); // Convert 16 bit colour to 8 bits
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int16_t getCursorX(void),
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getCursorY(void);
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int16_t getPivotX(void),
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getPivotY(void);
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uint16_t fontsLoaded(void),
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color565(uint8_t red, uint8_t green, uint8_t blue), // Convert 8 bit red, green and blue to 16 bits
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color8to16(uint8_t color332); // Convert 8 bit colour to 16 bits
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int16_t drawNumber(long long_num, int32_t poX, int32_t poY, uint8_t font),
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drawNumber(long long_num, int32_t poX, int32_t poY),
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drawFloat(float floatNumber, uint8_t decimal, int32_t poX, int32_t poY, uint8_t font),
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drawFloat(float floatNumber, uint8_t decimal, int32_t poX, int32_t poY),
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// Handle char arrays
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drawString(const char *string, int32_t poX, int32_t poY, uint8_t font),
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drawString(const char *string, int32_t poX, int32_t poY),
|
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drawCentreString(const char *string, int32_t dX, int32_t poY, uint8_t font), // Deprecated, use setTextDatum() and drawString()
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|
drawRightString(const char *string, int32_t dX, int32_t poY, uint8_t font), // Deprecated, use setTextDatum() and drawString()
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|
|
|
// Handle String type
|
|
drawString(const String& string, int32_t poX, int32_t poY, uint8_t font),
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|
drawString(const String& string, int32_t poX, int32_t poY),
|
|
drawCentreString(const String& string, int32_t dX, int32_t poY, uint8_t font), // Deprecated, use setTextDatum() and drawString()
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drawRightString(const String& string, int32_t dX, int32_t poY, uint8_t font); // Deprecated, use setTextDatum() and drawString()
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|
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|
int16_t textWidth(const char *string, uint8_t font),
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textWidth(const char *string),
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|
textWidth(const String& string, uint8_t font),
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|
textWidth(const String& string),
|
|
fontHeight(int16_t font),
|
|
fontHeight(void);
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|
|
|
void setAddrWindow(int32_t xs, int32_t ys, int32_t w, int32_t h);
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|
|
|
// Compatibility additions
|
|
void startWrite(void); // Begin SPI transaction
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|
void writeColor(uint16_t color, uint32_t len); // Write colours without transaction overhead
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|
void endWrite(void); // End SPI transaction
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|
|
|
uint16_t decodeUTF8(uint8_t *buf, uint16_t *index, uint16_t remaining);
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|
uint16_t decodeUTF8(uint8_t c);
|
|
size_t write(uint8_t);
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|
|
|
#ifdef TFT_SDA_READ
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|
#if defined (ESP8266) && defined (TFT_SDA_READ)
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uint8_t tft_Read_8(void);
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|
#endif
|
|
void begin_SDA_Read(void);
|
|
void end_SDA_Read(void);
|
|
#endif
|
|
|
|
// Set or get an arbitrary library attribute or configuration option
|
|
void setAttribute(uint8_t id = 0, uint8_t a = 0);
|
|
uint8_t getAttribute(uint8_t id = 0);
|
|
|
|
void getSetup(setup_t& tft_settings); // Sketch provides the instance to populate
|
|
|
|
static SPIClass& getSPIinstance(void);
|
|
|
|
int32_t cursor_x, cursor_y, padX;
|
|
uint32_t textcolor, textbgcolor;
|
|
|
|
uint32_t bitmap_fg, bitmap_bg;
|
|
|
|
uint8_t textfont, // Current selected font
|
|
textsize, // Current font size multiplier
|
|
textdatum, // Text reference datum
|
|
rotation; // Display rotation (0-3)
|
|
|
|
int16_t _xpivot; // x pivot point coordinate
|
|
int16_t _ypivot; // x pivot point coordinate
|
|
|
|
uint8_t decoderState = 0; // UTF8 decoder state
|
|
uint16_t decoderBuffer; // Unicode code-point buffer
|
|
|
|
private:
|
|
|
|
inline void spi_begin() __attribute__((always_inline));
|
|
inline void spi_end() __attribute__((always_inline));
|
|
|
|
inline void spi_begin_read() __attribute__((always_inline));
|
|
inline void spi_end_read() __attribute__((always_inline));
|
|
|
|
void readAddrWindow(int32_t xs, int32_t ys, int32_t w, int32_t h);
|
|
|
|
uint8_t tabcolor,
|
|
colstart = 0, rowstart = 0; // some ST7735 displays need this changed
|
|
|
|
volatile uint32_t *dcport, *csport;
|
|
|
|
uint32_t cspinmask, dcpinmask, wrpinmask, sclkpinmask;
|
|
|
|
#if defined(ESP32_PARALLEL)
|
|
uint32_t xclr_mask, xdir_mask, xset_mask[256];
|
|
#endif
|
|
|
|
uint32_t lastColor = 0xFFFF;
|
|
|
|
|
|
protected:
|
|
|
|
int32_t win_xe, win_ye;
|
|
|
|
int32_t _init_width, _init_height; // Display w/h as input, used by setRotation()
|
|
int32_t _width, _height; // Display w/h as modified by current rotation
|
|
int32_t addr_row, addr_col;
|
|
|
|
uint32_t fontsloaded;
|
|
|
|
uint8_t glyph_ab, // glyph delta Y (height) above baseline
|
|
glyph_bb; // glyph delta Y (height) below baseline
|
|
|
|
bool isDigits; // adjust bounding box for numbers to reduce visual jiggling
|
|
bool textwrapX, textwrapY; // If set, 'wrap' text at right and optionally bottom edge of display
|
|
bool _swapBytes; // Swap the byte order for TFT pushImage()
|
|
bool locked, inTransaction; // Transaction and mutex lock flags for ESP32
|
|
|
|
bool _booted; // init() or begin() has already run once
|
|
bool _cp437; // If set, use correct CP437 charset (default is ON)
|
|
bool _utf8; // If set, use UTF-8 decoder in print stream 'write()' function (default ON)
|
|
|
|
uint32_t _lastColor; // Buffered value of last colour used
|
|
|
|
#ifdef LOAD_GFXFF
|
|
GFXfont *gfxFont;
|
|
#endif
|
|
|
|
// Load the Touch extension
|
|
#ifdef TOUCH_CS
|
|
#include "Extensions/Touch.h"
|
|
#endif
|
|
|
|
// Load the Anti-aliased font extension
|
|
#ifdef SMOOTH_FONT
|
|
#include "Extensions/Smooth_font.h"
|
|
#endif
|
|
|
|
}; // End of class TFT_eSPI
|
|
|
|
// Load the Button Class
|
|
#include "Extensions/Button.h"
|
|
|
|
// Load the Sprite Class
|
|
#include "Extensions/Sprite.h"
|
|
|
|
#endif
|