** Function name: end_tft_write (was called spi_end) ** Description: End transaction for write and deselect TFT ****************

** Function name: end_touch_read_write - was spi_end_touch ** Description: End transaction and deselect touch controller *******

** Function name: fillCircle ** Description: draw a filled circle **************************************************************

** Function name: fillCircleHelper ** Description: Support function for fillRoundRect() ****************************************

** Function name: fillEllipse ** Description: draw a filled ellipse ************************************************************

** Function name: fillRect ** Description: draw a filled rectangle *************************************************************

** Function name: fillRect ** Description: draw a filled rectangle *************************************************************

** Function name: fillScreen ** Description: Clear the screen to defined colour ************************************************

** Function name: fillSprite ** Description: Fill the whole sprite with defined colour *****************************************

** Function name: fillTriangle ** Description: Draw a filled triangle using 3 arbitrary points *********************************

** Function name: fontHeight ** Description: return the height of a font (yAdvance for free fonts) *****************************

** Function name: frameBuffer ** Description: For 1 bpp Sprites, select the frame used for graphics ****************************

** Function name: getAttribute ** Description: Get value of an attribute (control parameter) ***********************************

** Function name: getCursorX ** Description: Get the text cursor x position ****************************************************

** Function name: getCursorY ** Description: Get the text cursor y position ****************************************************

** Function name: getPaletteColor ** Description: Return the palette color at 4bpp index, or 0 on error. ***********************

** Function name: getPivotX ** Description: Get the x pivot position ***********************************************************

** Function name: getPivotX ** Description: Get the x pivot position ***********************************************************

** Function name: getPivotY ** Description: Get the y pivot position ***********************************************************

** Function name: getPivotY ** Description: Get the y pivot position ***********************************************************

** Function name: getPointer ** Description: Returns pointer to start of sprite memory area ************************************

** Function name: getRotatedBounds ** Description: Get TFT bounding box of a rotated Sprite wrt pivot **************************

** Function name: getRotation ** Description: Return the rotation value (as used by setRotation()) *****************************

** Function name: getSetup ** Description: Get the setup details for diagnostic and sketch access ******************************

** Function name: getSwapBytes ** Description: Return the swap byte order for colours ******************************************

** Function name: setTextPadding ** Description: Define padding width (aids erasing old text and numbers) **********************

** Function name: getTouchRaw ** Description: read raw touch position. Always returns true. ***********************************

** Function name: getTouchRawZ ** Description: read raw pressure on touchpad and return Z value. ******************************

** Function name: GPIO direction control - supports class functions ** Description: Faster GPIO pin input/output switch *******

** Function name: GPIO direction control - supports class functions ** Description: Set STM32 GPIO pin to input or output (set

** Function name: height ** Description: Return the pixel height of display (per current rotation) *****************************

** Function name: init (tc is tab colour for ST7735 displays only) ** Description: Reset, then initialise the TFT display regist

Classic initButton() function: pass center & size

Newer function instead accepts upper-left corner & size

** Function name: initDMA ** Description: Initialise the DMA engine - returns true if init OK **********************************

** Function name: initDMA ** Description: Initialise the DMA engine - returns true if init OK **********************************

** Function name: invertDisplay ** Description: invert the display colours i = 1 invert, i = 0 normal **************************

** Function name: loadFont ** Description: loads parameters from a font vlw array in memory ************************************

** Function name: loadMetrics ** Description: Get the metrics for each glyph and store in RAM **********************************

** Function name: printToSprite ** Description: Write a string to the sprite cursor position ***********************************

** Function name: pushBlock - for generic processor and parallel display ** Description: Write a block of pixels of the same col

** Function name: pushBlock - for ESP32 or ESP8266 RPi TFT ** Description: Write a block of pixels of the same colour **********

** Function name: pushBlock - for ESP32 and parallel display ** Description: Write a block of pixels of the same colour ********

** Function name: pushColor ** Description: push a single pixel ****************************************************************

** Function name: pushColors ** Description: push an array of pixels for 16 bit raw image drawing ******************************

** Function name: pushImage ** Description: plot 16 bit colour sprite or image onto TFT ****************************************

** Function name: pushImageDMA ** Description: Push image to a window (w*h must be less than 65536) ****************************

** Function name: pushImageDMA ** Description: Push image to a window (w*h must be less than 65536) ****************************

** Function name: pushPixels - for gereric processor and parallel display ** Description: Write a sequence of pixels ***********

** Function name: pushPixels - for ESP32 or ESP8266 RPi TFT ** Description: Write a sequence of pixels *************************

** Function name: pushPixels - for ESP32 and parallel display ** Description: Write a sequence of pixels ***********************

** Function name: pushImageDMA ** Description: Push pixels to TFT (len must be less than 32767) ********************************

** Function name: pushImageDMA ** Description: Push pixels to TFT (len must be less than 32767) ********************************

** Function name: push rectangle ** Description: push 565 pixel colours into a defined area ************************************

** Function name: pushSprite ** Description: Push the sprite to the TFT at x, y ************************************************

** Function name: readAddrWindow ** Description: define an area to read a stream of pixels *************************************

** Function name: read byte - supports class functions ** Description: Read a byte - parallel bus only ************************

** Function name: read byte - supports class functions ** Description: Parallel bus only - dummy function - not used **********

############# UNTESTED ################### ** Function name: read byte - supports class functions ** Description: Read a byte -

** Function name: readInt32 ** Description: Get a 32 bit integer from the font file ********************************************

** Function name: read pixel (for SPI Interface II i.e. IM [3:0] = "1101") ** Description: Read 565 pixel colours from a pixel *

** Function name: readPixel ** Description: Read 565 colour of a pixel at defined coordinates **********************************

** Function name: readPixelValue ** Description: Read the color map index of a pixel at defined coordinates ********************

** Function name: read rectangle (for SPI Interface II i.e. IM [3:0] = "1101") ** Description: Read 565 pixel colours from a def

** Function name: read rectangle (for SPI Interface II i.e. IM [3:0] = "1101") ** Description: Read RGB pixel colours from a def

** Function name: readcommand16 ** Description: Read a 16 bit data value from an indexed command register **********************

** Function name: readcommand32 ** Description: Read a 32 bit data value from an indexed command register **********************

** Function name: readcommand8 ** Description: Read a 8 bit data value from an indexed command register ************************

** Function name: scroll ** Description: Scroll dx,dy pixels, positive right,down, negative left,up ****************************

** Function name: setAddrWindow ** Description: define an area to receive a stream of pixels ***********************************

** Function name: setAttribute ** Description: Sets a control parameter of an attribute ****************************************

** Function name: setBitmapColor ** Description: Set the foreground foreground and background colour ***************************

** Function name: setBitmapColor ** Description: Set the 1bpp foreground foreground and background colour **********************

** Function name: setCursor ** Description: Set the text cursor x,y position ***************************************************

Adjust text datum and x, y deltas

** Function name: setPaletteColor ** Description: Set the 4bpp palette color at the given index ********************************

** Function name: setPivot ** Description: Set the pivot point on the TFT ******************************************************