Hi,
I don't understand the difference between :
uart_set_rx_timeout and the TickType_t ticks_to_wait in uart_read_bytes.
I think that if in :
uart_read_bytes(uart_num, buf, length, ticks_to_wait)

I set:
length=5
and rx timeout=1, (the time to receive a byte to the baud setted)
If I don't receive ...