mirror of https://github.com/arendst/Tasmota.git
126 lines
5.3 KiB
C++
126 lines
5.3 KiB
C++
#ifndef _ADAFRUIT_SPITFT_
|
|
#define _ADAFRUIT_SPITFT_
|
|
|
|
#if ARDUINO >= 100
|
|
#include "Arduino.h"
|
|
#include "Print.h"
|
|
#else
|
|
#include "WProgram.h"
|
|
#endif
|
|
#include <SPI.h>
|
|
#include "Adafruit_GFX.h"
|
|
|
|
#define USE_FAST_PINIO
|
|
|
|
#if defined(__AVR__)
|
|
typedef volatile uint8_t RwReg;
|
|
#elif defined(ARDUINO_STM32_FEATHER)
|
|
typedef volatile uint32 RwReg;
|
|
#undef USE_FAST_PINIO
|
|
#elif defined(__OPENCR__) || defined (__OPENCM904__)
|
|
#undef USE_FAST_PINIO
|
|
#elif defined(ARDUINO_FEATHER52) || defined(__arm__)
|
|
typedef volatile uint32_t RwReg;
|
|
#elif defined(ESP32) || defined(ESP8266)
|
|
typedef volatile uint32_t RwReg;
|
|
#undef USE_FAST_PINIO
|
|
#else
|
|
#undef USE_FAST_PINIO
|
|
#endif
|
|
|
|
#include "Adafruit_SPITFT_Macros.h"
|
|
|
|
/// A heavily optimized SPI display subclass of GFX. Manages SPI bitbanging, transactions, DMA, etc! Despite being called SPITFT, the classic SPI data/command interface is also used by OLEDs.
|
|
class Adafruit_SPITFT : public Adafruit_GFX {
|
|
protected:
|
|
|
|
public:
|
|
Adafruit_SPITFT(uint16_t w, uint16_t h, int8_t _CS, int8_t _DC, int8_t _MOSI, int8_t _SCLK, int8_t _RST = -1, int8_t _MISO = -1);
|
|
Adafruit_SPITFT(uint16_t w, uint16_t h, int8_t _CS, int8_t _DC, int8_t _RST = -1);
|
|
|
|
virtual void begin(uint32_t freq) = 0; ///< Virtual begin() function to set SPI frequency, must be overridden in subclass. @param freq Maximum SPI hardware clock speed
|
|
|
|
void initSPI(uint32_t freq);
|
|
|
|
// Required Non-Transaction
|
|
void drawPixel(int16_t x, int16_t y, uint16_t color);
|
|
|
|
// Transaction API
|
|
void startWrite(void);
|
|
void endWrite(void);
|
|
|
|
void writePixel(int16_t x, int16_t y, uint16_t color);
|
|
void writeFillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
|
|
void writeFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
|
|
void writeFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
|
|
|
|
// Transaction API not used by GFX
|
|
|
|
/*!
|
|
@brief SPI displays set an address window rectangle for blitting pixels
|
|
@param x Top left corner x coordinate
|
|
@param y Top left corner x coordinate
|
|
@param w Width of window
|
|
@param h Height of window
|
|
*/
|
|
virtual void setAddrWindow(uint16_t x, uint16_t y, uint16_t w, uint16_t h) = 0;
|
|
|
|
/*!
|
|
@brief Write a 2-byte color (must have a transaction in progress)
|
|
@param color 16-bit 5-6-5 Color to draw
|
|
*/
|
|
void inline writePixel(uint16_t color) { SPI_WRITE16(color); }
|
|
void writePixels(uint16_t * colors, uint32_t len);
|
|
void writeColor(uint16_t color, uint32_t len);
|
|
void pushColor(uint16_t color);
|
|
|
|
// Recommended Non-Transaction
|
|
void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
|
|
void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
|
|
void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
|
|
|
|
using Adafruit_GFX::drawRGBBitmap; // Check base class first
|
|
void drawRGBBitmap(int16_t x, int16_t y,
|
|
uint16_t *pcolors, int16_t w, int16_t h);
|
|
void invertDisplay(boolean i);
|
|
|
|
uint16_t color565(uint8_t r, uint8_t g, uint8_t b);
|
|
|
|
protected:
|
|
uint32_t _freq; ///< SPI clock frequency (for hardware SPI)
|
|
#if defined (__AVR__) || defined(TEENSYDUINO) || defined (ESP8266) || defined (ESP32)
|
|
int8_t _cs, _dc, _rst, _sclk, _mosi, _miso;
|
|
#else
|
|
int32_t _cs, ///< Arduino pin # for chip-select pin
|
|
_dc, ///< Arduino pin # for data-command pin
|
|
_rst, ///< Arduino pin # for reset pin
|
|
_sclk, ///< Arduino pin # for SPI clock pin
|
|
_mosi, ///< Arduino pin # for SPI MOSI pin
|
|
_miso; ///< Arduino pin # for SPI MISO pin
|
|
#endif
|
|
|
|
#ifdef USE_FAST_PINIO
|
|
volatile RwReg *mosiport, ///< Direct chip register for toggling MOSI with fast bitbang IO
|
|
*misoport, ///< Direct chip register for toggling MISO with fast bitbang IO
|
|
*clkport, ///< Direct chip register for toggling CLK with fast bitbang IO
|
|
*dcport, ///< Direct chip register for toggling DC with fast bitbang IO
|
|
*csport; ///< Direct chip register for toggling CS with fast bitbang IO
|
|
RwReg mosipinmask, ///< bitmask for turning on/off MOSI with fast register bitbang IO
|
|
misopinmask, ///< bitmask for turning on/off MISO with fast register bitbang IO
|
|
clkpinmask, ///< bitmask for turning on/off CLK with fast register bitbang IO
|
|
cspinmask, ///< bitmask for turning on/off CS with fast register bitbang IO
|
|
dcpinmask; ///< bitmask for turning on/off DC with fast register bitbang IO
|
|
#endif
|
|
|
|
void writeCommand(uint8_t cmd);
|
|
void spiWrite(uint8_t v);
|
|
uint8_t spiRead(void);
|
|
|
|
uint8_t invertOnCommand = 0, ///< SPI command byte to turn on invert
|
|
invertOffCommand = 0; ///< SPI command byte to turn off invert
|
|
int16_t _xstart = 0; ///< Many displays don't have pixels starting at (0,0) of the internal framebuffer, this is the x offset from 0 to align
|
|
int16_t _ystart = 0; ///< Many displays don't have pixels starting at (0,0) of the internal framebuffer, this is the y offset from 0 to align
|
|
};
|
|
|
|
#endif
|