Function esp_idf_sys::uart_enable_tx_intr

pub unsafe extern "C" fn uart_enable_tx_intr(
    uart_num: uart_port_t, 
    enable: c_int, 
    thresh: c_int
) -> esp_err_t

@brief Enable UART TX interrupt (TX_FULL & TX_TIMEOUT INTERRUPT)

@param uart_num UART_NUM_0, UART_NUM_1 or UART_NUM_2 @param enable 1: enable; 0: disable @param thresh Threshold of TX interrupt, 0 ~ UART_FIFO_LEN

@return - ESP_OK Success - ESP_FAIL Parameter error