1  // Copyright 2020 Espressif Systems (Shanghai) PTE LTD
 2  //
 3  // Licensed under the Apache License, Version 2.0 (the "License");
 4  // you may not use this file except in compliance with the License.
 5  // You may obtain a copy of the License at
 6  //
 7  //     http://www.apache.org/licenses/LICENSE-2.0
 8  //
 9  // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  #pragma once
16  
17  /**
18   * @brief Initialize console output (UART or USB)
19   */
20  void bootloader_console_init(void);
21  
22  /**
23   * @brief Flush and otherwise de-initialize console output.
24   */
25  void bootloader_console_deinit(void);
26  
27  /**
28   * @brief "Write character to USB" function for ets_install_putc1.
29   * Only defined if USB CDC is used for console output.
30   */
31  void bootloader_console_write_char_usb(char c);