https://github.com/lexus2k/ssd1306
Try this, as I know, this is crossplatform lib....

Hi all!
I'm using SD_MMC mode and have surprised to find that reading speed is so slowly, about 1.4MB/s in best case.
I make some changes in fatfs lib source code, and now im getting 5-8 MB/s of reading speed.
Source code you may find in my forks
https://github.com/fa1ke5/esp-idf/tree/master ...

as i know its a byte, not kilobytes

#include "esp32-hal-cpu.h"

void setup(void){
setCpuFrequencyMhz(80); //Set CPU clock to 80MHz fo example
getCpuFrequencyMhz(); //Get CPU clock
}