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62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
// Copyright 2010-2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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/**
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* @brief Print formated string to console device
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* @note float and long long data are not supported!
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*
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* @param fmt Format string
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* @param ... Additional arguments, depending on the format string
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* @return int: Total number of characters written on success; A negative number on failure.
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*/
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int esp_rom_printf(const char *fmt, ...);
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/**
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* @brief Pauses execution for us microseconds
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*
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* @param us Number of microseconds to pause
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*/
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void esp_rom_delay_us(uint32_t us);
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/**
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* @brief esp_rom_printf can print message to different channels simultaneously.
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* This function can help install the low level putc function for esp_rom_printf.
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*
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* @param channel Channel number (startting from 1)
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* @param putc Function pointer to the putc implementation. Set NULL can disconnect esp_rom_printf with putc.
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*/
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void esp_rom_install_channel_putc(int channel, void (*putc)(char c));
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/**
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* @brief Disable logging from the ROM code.
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*/
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void esp_rom_disable_logging(void);
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/**
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* @brief Install UART1 as the default console channel, equivalent to `esp_rom_install_channel_putc(1, esp_rom_uart_putc)`
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*/
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void esp_rom_install_uart_printf(void);
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#ifdef __cplusplus
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}
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#endif
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