UART_INT_CLR_REG
esp32_uart_write(port, UART_INT_CLR_REG, UART_BRK_DET_INT);
esp32_uart_write(port, UART_INT_CLR_REG, status);
esp32_uart_write(port, UART_INT_CLR_REG, UART_RXFIFO_FULL_INT | UART_BRK_DET_INT);