I figured out some things by myself. I found that the uart registers are accessible through the uart struct provided in soc/uart_struct.h.


#include "soc/uart_struct.h"
...
UART2.rs485_conf.rx_busy_tx_en = 0; //0 => enable hardware arbitration
...



Answer to Q3: I found that by setting the ...

I’m new to the forum and hope to find some support here.

I want to use an esp32 as a node in a 485 bus with the following conditions:

baudrate: 921600 bits/sec
no master slave, so all nodes can send at all times
inter frame delay >= 10bytes ~ 100us
addressed nodes are sending a 1byte ...

I’m new to the forum and hope to find some support here.

I want to use an esp32 as a node in a 485 bus with the following conditions:

baudrate: 921600 bits/sec
no master slave, so all nodes can send at all times
inter frame delay >= 10bytes ~ 100us
addressed nodes are sending a 1byte ...