How to increase the speed of UART

jishnu M
Posts: 1
Joined: Mon Jun 03, 2019 9:07 am

How to increase the speed of UART

Postby jishnu M » Thu Jun 06, 2019 6:08 am

hi sir,

I make a software bridge between 2 uart of esp32 , here i am serially sending a file to uart0 and read that in uart2.
if i send a 1MB file (.txt file) it's taking around 9 minutes to receive file completely . i set baud rate as 921600. it's not changing the speed of file transfer if i increase or decrease the baud rate. why it's happens like this?,
What is the maximum speed of uart for data transfer in esp32?, How can i increase speed of data transfer?
i attached the program code
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