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); 32