Scrolling on ESP32

ac30kev · March 3, 2021, 4:07pm

HI,
Newbie here, wondering if it is possible to scroll text on the fabulous Heltec ESP32?
Can anyone help?

ac30kev.

jasonXu · March 4, 2021, 8:36am

please refer these link:

HelTecAutomation/Heltec_ESP32/blob/master/src/oled/API.md

The OLED library is migration from [https://github.com/ThingPulse/esp8266-oled-ssd1306](https://github.com/ThingPulse/esp8266-oled-ssd1306)



## Features

* Draw pixels at given coordinates
* Draw lines from given coordinates to given coordinates
* Draw or fill a rectangle with given dimensions
* Draw Text at given coordinates:
 * Define Alignment: Left, Right and Center
 * Set the Fontface you want to use (see section Fonts below)
 * Limit the width of the text by an amount of pixels. Before this widths will be reached, the renderer will wrap the text to a new line if possible
* Display content in automatically side scrolling carousel
 * Define transition cycles
 * Define how long one frame will be displayed
 * Draw the different frames in callback methods
 * One indicator per frame will be automatically displayed. The active frame will be displayed from inactive once

## API

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ac30kev · March 4, 2021, 11:26am

Thank you for the link, there is some very useful information there, but it does not answer my question. Now I know that scrolling is not possible on the Heltec ESP32.