* Set new period for a lv_timer * @param timer pointer to a lv_timer * @param period the new period */

Read chromatic note name from PROGMEM

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Set the state-save slot to use (0 - 9) */

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* Return with tail node of the linked list * @param ll_p pointer to linked list * @return pointer to the tail of 'll_p' */

* GLOBAL FUNCTIONS **********************/

Return location of next existing block. */

** Function name: color565 ** Description: convert three 8-bit RGB levels to a 16-bit colour value *****************************

Returns true iff the i'th bit of x is set to 1. Requires x >= 0 and 0 <= i <= 14.

Funtcion_ID Getter

Line drawing */

calculate bits per pixel out of colortype and bitdepth*/

NOTE: when realloc returns NULL, it leaves the original memory untouched */

* Initialize an input device driver with default values. * It is used to surly have known values in the fields ant not memory junk. * After it you c

* Register an initialized input device driver. * @param driver pointer to an initialized 'lv_indev_drv_t' variable. * Only pointer is saved, so the

* Refresh the label with its text stored in its extended data * @param label pointer to a label object */

* Wrapper for the standard memset * @param dst pointer to the destination buffer * @param v value to set [0..255] * @param len number of byte to se

* Set minimum and the maximum values of a bar * @param obj pointer to the slider object * @param min minimum value * @param max m

! * @brief This internal API is used to validate the device structure pointer for * null conditions. */

we render a scanline of graphics first so we know exactly ** where the sprite 0 strike is going to occur (in terms of ** cpu cycles), using the relati

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

Deallocate space for a bitmap structure */

** Function name: drawFastHLine ** Description: draw a horizontal line *********************************************************

** Function name: drawLine ** Description: draw a line between 2 arbitrary points **********************************************

Sets every pixel in the range [left : left + width] * [top : top + height] to black.

* Search for snap point in the `min` - `max` range. * @param obj the object on which snap point should be found * @param min ignore snap points smal

* Search for snap point in the `min` - `max` range. * @param obj the object on which snap point should be found * @param min ignore snap points smal

* Convert Win32 error code to error from lv_fs_res_t enum * @param error Win32 error code * @return LV_FS_RES_OK: no error, the file is read *

* Find an indev preferably with KEYPAD or ENCOEDR type that uses the given group. * In other words, find an indev, that is related to the given group

* Set the alpha value of a pixel of an image. The color won't be affected * @param dsc pointer to an image descriptor * @param x x coordinate of the