Trying to fix incompatibilities with adafruit lib
This commit is contained in:
Daniel Eichhorn
630
ILI9341.cpp
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630
ILI9341.cpp
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/***************************************************
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This is our library for the Adafruit ILI9341 Breakout and Shield
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----> http://www.adafruit.com/products/1651
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Check out the links above for our tutorials and wiring diagrams
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These displays use SPI to communicate, 4 or 5 pins are required to
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interface (RST is optional)
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Adafruit invests time and resources providing this open source code,
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please support Adafruit and open-source hardware by purchasing
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products from Adafruit!
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Written by Limor Fried/Ladyada for Adafruit Industries.
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MIT license, all text above must be included in any redistribution
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****************************************************/
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#include "ILI9341.h"
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#ifndef ARDUINO_STM32_FEATHER
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#include "pins_arduino.h"
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#ifndef RASPI
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#include "wiring_private.h"
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#endif
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#endif
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#include <limits.h>
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#define MADCTL_MY 0x80
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#define MADCTL_MX 0x40
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#define MADCTL_MV 0x20
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#define MADCTL_ML 0x10
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#define MADCTL_RGB 0x00
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#define MADCTL_BGR 0x08
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#define MADCTL_MH 0x04
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/*
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* Control Pins
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* */
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#ifdef USE_FAST_PINIO
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#define SPI_DC_HIGH() *dcport |= dcpinmask
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#define SPI_DC_LOW() *dcport &= ~dcpinmask
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#define SPI_CS_HIGH() *csport |= cspinmask
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#define SPI_CS_LOW() *csport &= ~cspinmask
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#else
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#define SPI_DC_HIGH() digitalWrite(_dc, HIGH)
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#define SPI_DC_LOW() digitalWrite(_dc, LOW)
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#define SPI_CS_HIGH() digitalWrite(_cs, HIGH)
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#define SPI_CS_LOW() digitalWrite(_cs, LOW)
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#endif
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/*
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* Software SPI Macros
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* */
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#ifdef USE_FAST_PINIO
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#define SSPI_MOSI_HIGH() *mosiport |= mosipinmask
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#define SSPI_MOSI_LOW() *mosiport &= ~mosipinmask
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#define SSPI_SCK_HIGH() *clkport |= clkpinmask
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#define SSPI_SCK_LOW() *clkport &= ~clkpinmask
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#define SSPI_MISO_READ() ((*misoport & misopinmask) != 0)
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#else
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#define SSPI_MOSI_HIGH() digitalWrite(_mosi, HIGH)
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#define SSPI_MOSI_LOW() digitalWrite(_mosi, LOW)
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#define SSPI_SCK_HIGH() digitalWrite(_sclk, HIGH)
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#define SSPI_SCK_LOW() digitalWrite(_sclk, LOW)
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#define SSPI_MISO_READ() digitalRead(_miso)
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#endif
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#define SSPI_BEGIN_TRANSACTION()
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#define SSPI_END_TRANSACTION()
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#define SSPI_WRITE(v) spiWrite(v)
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#define SSPI_WRITE16(s) SSPI_WRITE((s) >> 8); SSPI_WRITE(s)
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#define SSPI_WRITE32(l) SSPI_WRITE((l) >> 24); SSPI_WRITE((l) >> 16); SSPI_WRITE((l) >> 8); SSPI_WRITE(l)
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#define SSPI_WRITE_PIXELS(c,l) for(uint32_t i=0; i<(l); i+=2){ SSPI_WRITE(((uint8_t*)(c))[i+1]); SSPI_WRITE(((uint8_t*)(c))[i]); }
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/*
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* Hardware SPI Macros
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* */
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#ifndef ESP32
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#define SPI_OBJECT SPI
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#else
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#define SPI_OBJECT _spi
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#endif
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#if defined (__AVR__) || defined(TEENSYDUINO) || defined(ARDUINO_ARCH_STM32F1)
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#define HSPI_SET_CLOCK() SPI_OBJECT.setClockDivider(SPI_CLOCK_DIV2);
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#elif defined (__arm__)
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#define HSPI_SET_CLOCK() SPI_OBJECT.setClockDivider(11);
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#elif defined(ESP8266) || defined(ESP32)
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#define HSPI_SET_CLOCK() SPI_OBJECT.setFrequency(_freq);
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#elif defined(RASPI)
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#define HSPI_SET_CLOCK() SPI_OBJECT.setClock(_freq);
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#elif defined(ARDUINO_ARCH_STM32F1)
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#define HSPI_SET_CLOCK() SPI_OBJECT.setClock(_freq);
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#else
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#define HSPI_SET_CLOCK()
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#endif
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#ifdef SPI_HAS_TRANSACTION
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#define HSPI_BEGIN_TRANSACTION() SPI_OBJECT.beginTransaction(SPISettings(_freq, MSBFIRST, SPI_MODE0))
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#define HSPI_END_TRANSACTION() SPI_OBJECT.endTransaction()
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#else
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#define HSPI_BEGIN_TRANSACTION() HSPI_SET_CLOCK(); SPI_OBJECT.setBitOrder(MSBFIRST); SPI_OBJECT.setDataMode(SPI_MODE0)
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#define HSPI_END_TRANSACTION()
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#endif
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#ifdef ESP32
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#define SPI_HAS_WRITE_PIXELS
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#endif
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#if defined(ESP8266) || defined(ESP32)
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// Optimized SPI (ESP8266 and ESP32)
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#define HSPI_READ() SPI_OBJECT.transfer(0)
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#define HSPI_WRITE(b) SPI_OBJECT.write(b)
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#define HSPI_WRITE16(s) SPI_OBJECT.write16(s)
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#define HSPI_WRITE32(l) SPI_OBJECT.write32(l)
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#ifdef SPI_HAS_WRITE_PIXELS
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#define SPI_MAX_PIXELS_AT_ONCE 32
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#define HSPI_WRITE_PIXELS(c,l) SPI_OBJECT.writePixels(c,l)
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#else
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#define HSPI_WRITE_PIXELS(c,l) for(uint32_t i=0; i<((l)/2); i++){ SPI_WRITE16(((uint16_t*)(c))[i]); }
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#endif
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#else
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// Standard Byte-by-Byte SPI
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#if defined (__AVR__) || defined(TEENSYDUINO)
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static inline uint8_t _avr_spi_read(void) __attribute__((always_inline));
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static inline uint8_t _avr_spi_read(void) {
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uint8_t r = 0;
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SPDR = r;
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while(!(SPSR & _BV(SPIF)));
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r = SPDR;
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return r;
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}
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#define HSPI_WRITE(b) {SPDR = (b); while(!(SPSR & _BV(SPIF)));}
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#define HSPI_READ() _avr_spi_read()
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#else
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#define HSPI_WRITE(b) SPI_OBJECT.transfer((uint8_t)(b))
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#define HSPI_READ() HSPI_WRITE(0)
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#endif
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#define HSPI_WRITE16(s) HSPI_WRITE((s) >> 8); HSPI_WRITE(s)
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#define HSPI_WRITE32(l) HSPI_WRITE((l) >> 24); HSPI_WRITE((l) >> 16); HSPI_WRITE((l) >> 8); HSPI_WRITE(l)
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#define HSPI_WRITE_PIXELS(c,l) for(uint32_t i=0; i<(l); i+=2){ HSPI_WRITE(((uint8_t*)(c))[i+1]); HSPI_WRITE(((uint8_t*)(c))[i]); }
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#endif
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/*
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* Final SPI Macros
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* */
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#if defined (ARDUINO_ARCH_ARC32)
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#define SPI_DEFAULT_FREQ 16000000
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#elif defined (__AVR__) || defined(TEENSYDUINO)
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#define SPI_DEFAULT_FREQ 8000000
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#elif defined(ESP8266) || defined(ESP32)
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#define SPI_DEFAULT_FREQ 40000000
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#elif defined(RASPI)
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#define SPI_DEFAULT_FREQ 80000000
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#elif defined(ARDUINO_ARCH_STM32F1)
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#define SPI_DEFAULT_FREQ 36000000
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#else
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#define SPI_DEFAULT_FREQ 24000000
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#endif
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#define SPI_BEGIN() if(_sclk < 0){SPI_OBJECT.begin();}
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#define SPI_BEGIN_TRANSACTION() if(_sclk < 0){HSPI_BEGIN_TRANSACTION();}
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#define SPI_END_TRANSACTION() if(_sclk < 0){HSPI_END_TRANSACTION();}
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#define SPI_WRITE16(s) if(_sclk < 0){HSPI_WRITE16(s);}else{SSPI_WRITE16(s);}
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#define SPI_WRITE32(l) if(_sclk < 0){HSPI_WRITE32(l);}else{SSPI_WRITE32(l);}
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#define SPI_WRITE_PIXELS(c,l) if(_sclk < 0){HSPI_WRITE_PIXELS(c,l);}else{SSPI_WRITE_PIXELS(c,l);}
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// Pass 8-bit (each) R,G,B, get back 16-bit packed color
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uint16_t Adafruit_ILI9341::color565(uint8_t r, uint8_t g, uint8_t b) {
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return ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | ((b & 0xF8) >> 3);
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}
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Adafruit_ILI9341::Adafruit_ILI9341(int8_t cs, int8_t dc, int8_t mosi,
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int8_t sclk, int8_t rst, int8_t miso) : Adafruit_GFX(ILI9341_TFTWIDTH, ILI9341_TFTHEIGHT) {
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_cs = cs;
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_dc = dc;
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_rst = rst;
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_sclk = sclk;
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_mosi = mosi;
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_miso = miso;
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_freq = 0;
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#ifdef USE_FAST_PINIO
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csport = portOutputRegister(digitalPinToPort(_cs));
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cspinmask = digitalPinToBitMask(_cs);
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dcport = portOutputRegister(digitalPinToPort(_dc));
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dcpinmask = digitalPinToBitMask(_dc);
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clkport = portOutputRegister(digitalPinToPort(_sclk));
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clkpinmask = digitalPinToBitMask(_sclk);
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mosiport = portOutputRegister(digitalPinToPort(_mosi));
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mosipinmask = digitalPinToBitMask(_mosi);
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if(miso >= 0){
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misoport = portInputRegister(digitalPinToPort(_miso));
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misopinmask = digitalPinToBitMask(_miso);
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} else {
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misoport = 0;
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misopinmask = 0;
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}
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#endif
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}
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Adafruit_ILI9341::Adafruit_ILI9341(int8_t cs, int8_t dc, int8_t rst) : Adafruit_GFX(ILI9341_TFTWIDTH, ILI9341_TFTHEIGHT) {
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_cs = cs;
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_dc = dc;
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_rst = rst;
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_sclk = -1;
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_mosi = -1;
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_miso = -1;
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_freq = 0;
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#ifdef USE_FAST_PINIO
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csport = portOutputRegister(digitalPinToPort(_cs));
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cspinmask = digitalPinToBitMask(_cs);
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dcport = portOutputRegister(digitalPinToPort(_dc));
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dcpinmask = digitalPinToBitMask(_dc);
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clkport = 0;
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clkpinmask = 0;
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mosiport = 0;
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mosipinmask = 0;
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misoport = 0;
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misopinmask = 0;
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#endif
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}
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#ifdef ESP32
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void Adafruit_ILI9341::begin(uint32_t freq, SPIClass &spi)
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#else
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void Adafruit_ILI9341::begin(uint32_t freq)
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#endif
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{
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#ifdef ESP32
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_spi = spi;
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#endif
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if(!freq){
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freq = SPI_DEFAULT_FREQ;
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}
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_freq = freq;
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// Control Pins
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pinMode(_dc, OUTPUT);
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digitalWrite(_dc, LOW);
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pinMode(_cs, OUTPUT);
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digitalWrite(_cs, HIGH);
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// Software SPI
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if(_sclk >= 0){
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pinMode(_mosi, OUTPUT);
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digitalWrite(_mosi, LOW);
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pinMode(_sclk, OUTPUT);
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digitalWrite(_sclk, HIGH);
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if(_miso >= 0){
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pinMode(_miso, INPUT);
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}
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}
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// Hardware SPI
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SPI_BEGIN();
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// toggle RST low to reset
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if (_rst >= 0) {
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pinMode(_rst, OUTPUT);
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digitalWrite(_rst, HIGH);
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delay(100);
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digitalWrite(_rst, LOW);
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delay(100);
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digitalWrite(_rst, HIGH);
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delay(200);
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}
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startWrite();
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writeCommand(0xEF);
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spiWrite(0x03);
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spiWrite(0x80);
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spiWrite(0x02);
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writeCommand(0xCF);
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spiWrite(0x00);
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spiWrite(0XC1);
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spiWrite(0X30);
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writeCommand(0xED);
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spiWrite(0x64);
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spiWrite(0x03);
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spiWrite(0X12);
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spiWrite(0X81);
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writeCommand(0xE8);
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spiWrite(0x85);
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spiWrite(0x00);
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spiWrite(0x78);
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writeCommand(0xCB);
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spiWrite(0x39);
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spiWrite(0x2C);
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spiWrite(0x00);
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spiWrite(0x34);
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spiWrite(0x02);
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writeCommand(0xF7);
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spiWrite(0x20);
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writeCommand(0xEA);
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spiWrite(0x00);
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spiWrite(0x00);
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writeCommand(ILI9341_PWCTR1); //Power control
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spiWrite(0x23); //VRH[5:0]
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writeCommand(ILI9341_PWCTR2); //Power control
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spiWrite(0x10); //SAP[2:0];BT[3:0]
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writeCommand(ILI9341_VMCTR1); //VCM control
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spiWrite(0x3e);
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spiWrite(0x28);
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writeCommand(ILI9341_VMCTR2); //VCM control2
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spiWrite(0x86); //--
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writeCommand(ILI9341_MADCTL); // Memory Access Control
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spiWrite(0x48);
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writeCommand(ILI9341_VSCRSADD); // Vertical scroll
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SPI_WRITE16(0); // Zero
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writeCommand(ILI9341_PIXFMT);
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spiWrite(0x55);
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writeCommand(ILI9341_FRMCTR1);
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spiWrite(0x00);
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spiWrite(0x18);
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writeCommand(ILI9341_DFUNCTR); // Display Function Control
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spiWrite(0x08);
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spiWrite(0x82);
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spiWrite(0x27);
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writeCommand(0xF2); // 3Gamma Function Disable
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spiWrite(0x00);
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writeCommand(ILI9341_GAMMASET); //Gamma curve selected
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spiWrite(0x01);
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writeCommand(ILI9341_GMCTRP1); //Set Gamma
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spiWrite(0x0F);
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spiWrite(0x31);
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spiWrite(0x2B);
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spiWrite(0x0C);
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spiWrite(0x0E);
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spiWrite(0x08);
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spiWrite(0x4E);
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spiWrite(0xF1);
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spiWrite(0x37);
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spiWrite(0x07);
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spiWrite(0x10);
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spiWrite(0x03);
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spiWrite(0x0E);
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spiWrite(0x09);
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spiWrite(0x00);
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writeCommand(ILI9341_GMCTRN1); //Set Gamma
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spiWrite(0x00);
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spiWrite(0x0E);
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spiWrite(0x14);
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spiWrite(0x03);
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spiWrite(0x11);
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spiWrite(0x07);
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spiWrite(0x31);
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spiWrite(0xC1);
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spiWrite(0x48);
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spiWrite(0x08);
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spiWrite(0x0F);
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spiWrite(0x0C);
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spiWrite(0x31);
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spiWrite(0x36);
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spiWrite(0x0F);
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writeCommand(ILI9341_SLPOUT); //Exit Sleep
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delay(120);
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writeCommand(ILI9341_DISPON); //Display on
|
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delay(120);
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endWrite();
|
||||
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_width = ILI9341_TFTWIDTH;
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_height = ILI9341_TFTHEIGHT;
|
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}
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||||
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||||
void Adafruit_ILI9341::setRotation(uint8_t m) {
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rotation = m % 4; // can't be higher than 3
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switch (rotation) {
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case 0:
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m = (MADCTL_MX | MADCTL_BGR);
|
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_width = ILI9341_TFTWIDTH;
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_height = ILI9341_TFTHEIGHT;
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||||
break;
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case 1:
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m = (MADCTL_MV | MADCTL_BGR);
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_width = ILI9341_TFTHEIGHT;
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_height = ILI9341_TFTWIDTH;
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break;
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case 2:
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m = (MADCTL_MY | MADCTL_BGR);
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_width = ILI9341_TFTWIDTH;
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_height = ILI9341_TFTHEIGHT;
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break;
|
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case 3:
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m = (MADCTL_MX | MADCTL_MY | MADCTL_MV | MADCTL_BGR);
|
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_width = ILI9341_TFTHEIGHT;
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_height = ILI9341_TFTWIDTH;
|
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break;
|
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}
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||||
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startWrite();
|
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writeCommand(ILI9341_MADCTL);
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spiWrite(m);
|
||||
endWrite();
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::invertDisplay(boolean i) {
|
||||
startWrite();
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||||
writeCommand(i ? ILI9341_INVON : ILI9341_INVOFF);
|
||||
endWrite();
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::scrollTo(uint16_t y) {
|
||||
startWrite();
|
||||
writeCommand(ILI9341_VSCRSADD);
|
||||
SPI_WRITE16(y);
|
||||
endWrite();
|
||||
}
|
||||
|
||||
uint8_t Adafruit_ILI9341::spiRead() {
|
||||
if(_sclk < 0){
|
||||
return HSPI_READ();
|
||||
}
|
||||
if(_miso < 0){
|
||||
return 0;
|
||||
}
|
||||
uint8_t r = 0;
|
||||
for (uint8_t i=0; i<8; i++) {
|
||||
SSPI_SCK_LOW();
|
||||
SSPI_SCK_HIGH();
|
||||
r <<= 1;
|
||||
if (SSPI_MISO_READ()){
|
||||
r |= 0x1;
|
||||
}
|
||||
}
|
||||
return r;
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::spiWrite(uint8_t b) {
|
||||
if(_sclk < 0){
|
||||
HSPI_WRITE(b);
|
||||
return;
|
||||
}
|
||||
for(uint8_t bit = 0x80; bit; bit >>= 1){
|
||||
if((b) & bit){
|
||||
SSPI_MOSI_HIGH();
|
||||
} else {
|
||||
SSPI_MOSI_LOW();
|
||||
}
|
||||
SSPI_SCK_LOW();
|
||||
SSPI_SCK_HIGH();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Transaction API
|
||||
* */
|
||||
|
||||
void Adafruit_ILI9341::startWrite(void){
|
||||
SPI_BEGIN_TRANSACTION();
|
||||
SPI_CS_LOW();
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::endWrite(void){
|
||||
SPI_CS_HIGH();
|
||||
SPI_END_TRANSACTION();
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::writeCommand(uint8_t cmd){
|
||||
SPI_DC_LOW();
|
||||
spiWrite(cmd);
|
||||
SPI_DC_HIGH();
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::setAddrWindow(uint16_t x, uint16_t y, uint16_t w, uint16_t h) {
|
||||
uint32_t xa = ((uint32_t)x << 16) | (x+w-1);
|
||||
uint32_t ya = ((uint32_t)y << 16) | (y+h-1);
|
||||
writeCommand(ILI9341_CASET); // Column addr set
|
||||
SPI_WRITE32(xa);
|
||||
writeCommand(ILI9341_PASET); // Row addr set
|
||||
SPI_WRITE32(ya);
|
||||
writeCommand(ILI9341_RAMWR); // write to RAM
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::pushColor(uint16_t color) {
|
||||
startWrite();
|
||||
SPI_WRITE16(color);
|
||||
endWrite();
|
||||
}
|
||||
|
||||
|
||||
void Adafruit_ILI9341::writePixel(uint16_t color){
|
||||
SPI_WRITE16(color);
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::writePixels(uint16_t * colors, uint32_t len){
|
||||
SPI_WRITE_PIXELS((uint8_t*)colors , len * 2);
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::writeColor(uint16_t color, uint32_t len){
|
||||
#ifdef SPI_HAS_WRITE_PIXELS
|
||||
if(_sclk >= 0){
|
||||
for (uint32_t t=0; t<len; t++){
|
||||
writePixel(color);
|
||||
}
|
||||
return;
|
||||
}
|
||||
static uint16_t temp[SPI_MAX_PIXELS_AT_ONCE];
|
||||
size_t blen = (len > SPI_MAX_PIXELS_AT_ONCE)?SPI_MAX_PIXELS_AT_ONCE:len;
|
||||
uint16_t tlen = 0;
|
||||
|
||||
for (uint32_t t=0; t<blen; t++){
|
||||
temp[t] = color;
|
||||
}
|
||||
|
||||
while(len){
|
||||
tlen = (len>blen)?blen:len;
|
||||
writePixels(temp, tlen);
|
||||
len -= tlen;
|
||||
}
|
||||
#else
|
||||
uint8_t hi = color >> 8, lo = color;
|
||||
if(_sclk < 0){ //AVR Optimization
|
||||
for (uint32_t t=len; t; t--){
|
||||
HSPI_WRITE(hi);
|
||||
HSPI_WRITE(lo);
|
||||
}
|
||||
return;
|
||||
}
|
||||
for (uint32_t t=len; t; t--){
|
||||
spiWrite(hi);
|
||||
spiWrite(lo);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::writePixel(int16_t x, int16_t y, uint16_t color) {
|
||||
if((x < 0) ||(x >= _width) || (y < 0) || (y >= _height)) return;
|
||||
setAddrWindow(x,y,1,1);
|
||||
writePixel(color);
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::writeFillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color){
|
||||
if((x >= _width) || (y >= _height)) return;
|
||||
int16_t x2 = x + w - 1, y2 = y + h - 1;
|
||||
if((x2 < 0) || (y2 < 0)) return;
|
||||
|
||||
// Clip left/top
|
||||
if(x < 0) {
|
||||
x = 0;
|
||||
w = x2 + 1;
|
||||
}
|
||||
if(y < 0) {
|
||||
y = 0;
|
||||
h = y2 + 1;
|
||||
}
|
||||
|
||||
// Clip right/bottom
|
||||
if(x2 >= _width) w = _width - x;
|
||||
if(y2 >= _height) h = _height - y;
|
||||
|
||||
int32_t len = (int32_t)w * h;
|
||||
setAddrWindow(x, y, w, h);
|
||||
writeColor(color, len);
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::writeFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color){
|
||||
writeFillRect(x, y, 1, h, color);
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::writeFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color){
|
||||
writeFillRect(x, y, w, 1, color);
|
||||
}
|
||||
|
||||
uint8_t Adafruit_ILI9341::readcommand8(uint8_t c, uint8_t index) {
|
||||
uint32_t freq = _freq;
|
||||
if(_freq > 24000000){
|
||||
_freq = 24000000;
|
||||
}
|
||||
startWrite();
|
||||
writeCommand(0xD9); // woo sekret command?
|
||||
spiWrite(0x10 + index);
|
||||
writeCommand(c);
|
||||
uint8_t r = spiRead();
|
||||
endWrite();
|
||||
_freq = freq;
|
||||
return r;
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::drawPixel(int16_t x, int16_t y, uint16_t color){
|
||||
startWrite();
|
||||
writePixel(x, y, color);
|
||||
endWrite();
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::drawFastVLine(int16_t x, int16_t y,
|
||||
int16_t h, uint16_t color) {
|
||||
startWrite();
|
||||
writeFastVLine(x, y, h, color);
|
||||
endWrite();
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::drawFastHLine(int16_t x, int16_t y,
|
||||
int16_t w, uint16_t color) {
|
||||
startWrite();
|
||||
writeFastHLine(x, y, w, color);
|
||||
endWrite();
|
||||
}
|
||||
|
||||
void Adafruit_ILI9341::fillRect(int16_t x, int16_t y, int16_t w, int16_t h,
|
||||
uint16_t color) {
|
||||
startWrite();
|
||||
writeFillRect(x,y,w,h,color);
|
||||
endWrite();
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user