https://github.com/espressif/Adafruit-GFX-Library

for arduino
https://github.com/espressif/WROVER_KIT_LCD

yes, i understand you. my pure AT trying only for multi-task problem solve - no more. if pppos will worked in future as real multi-task - it is nice and i swith back my project to pppos.

add some check commands for more stable connections and increase mutex delay in main code. sometimes server return 500 error, but gsm show 200 answer

I replace libGSM as pure gsm module (without pppoe protocol, based only on modem http functional) and cores return, but sometimes modem not connected and second problem fast post from main task - need queue, xSemaphoreTakeFromISR and xSemaphoreGiveFromISR not give required result (perhaps my semapho...

Hi all, Problem with libGSM as two core module. 0 core busy under main task on uart0 and 1 core work pppos client on uart1, but periodicaly libGSM busy both cores, it appears on long operations and weak communication. libGSM use xTaskCreate, we replace with xTaskCreatePinnedToCore and "XXXX"FromISR ...