Function esp_idf_sys::uart_get_word_length

pub unsafe extern "C" fn uart_get_word_length(
    uart_num: uart_port_t, 
    data_bit: *mut uart_word_length_t
) -> esp_err_t

@brief Get UART data bits.

@param uart_num UART_NUM_0, UART_NUM_1 or UART_NUM_2 @param data_bit Pointer to accept value of UART data bits.

@return - ESP_FAIL Parameter error - ESP_OK Success, result will be put in (*data_bit)