mirror of
https://github.com/espressif/esp-idf.git
synced 2024-09-20 10:46:02 -04:00
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "esp_vfs_common.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief Add /dev/uart virtual filesystem driver
|
|
*
|
|
* This function is called from startup code to enable serial output
|
|
*/
|
|
void uart_vfs_dev_register(void);
|
|
|
|
/**
|
|
* @brief Set the line endings expected to be received on specified UART
|
|
*
|
|
* This specifies the conversion between line endings received on UART and
|
|
* newlines ('\n', LF) passed into stdin:
|
|
*
|
|
* - ESP_LINE_ENDINGS_CRLF: convert CRLF to LF
|
|
* - ESP_LINE_ENDINGS_CR: convert CR to LF
|
|
* - ESP_LINE_ENDINGS_LF: no modification
|
|
*
|
|
* @note this function is not thread safe w.r.t. reading from UART
|
|
*
|
|
* @param uart_num the UART number
|
|
* @param mode line endings to send to UART
|
|
*
|
|
* @return 0 if succeeded, or -1
|
|
* when an error (specified by errno) have occurred.
|
|
*/
|
|
int uart_vfs_dev_port_set_rx_line_endings(int uart_num, esp_line_endings_t mode);
|
|
|
|
/**
|
|
* @brief Set the line endings to sent to specified UART
|
|
*
|
|
* This specifies the conversion between newlines ('\n', LF) on stdout and line
|
|
* endings sent over UART:
|
|
*
|
|
* - ESP_LINE_ENDINGS_CRLF: convert LF to CRLF
|
|
* - ESP_LINE_ENDINGS_CR: convert LF to CR
|
|
* - ESP_LINE_ENDINGS_LF: no modification
|
|
*
|
|
* @note this function is not thread safe w.r.t. writing to UART
|
|
*
|
|
* @param uart_num the UART number
|
|
* @param mode line endings to send to UART
|
|
*
|
|
* @return 0 if succeeded, or -1
|
|
* when an error (specified by errno) have occurred.
|
|
*/
|
|
int uart_vfs_dev_port_set_tx_line_endings(int uart_num, esp_line_endings_t mode);
|
|
|
|
/**
|
|
* @brief set VFS to use simple functions for reading and writing UART
|
|
*
|
|
* Read is non-blocking, write is busy waiting until TX FIFO has enough space.
|
|
* These functions are used by default.
|
|
*
|
|
* @param uart_num UART peripheral number
|
|
*/
|
|
void uart_vfs_dev_use_nonblocking(int uart_num);
|
|
|
|
/**
|
|
* @brief set VFS to use UART driver for reading and writing
|
|
*
|
|
* @note Application must configure UART driver before calling these functions
|
|
* With these functions, read and write are blocking and interrupt-driven.
|
|
*
|
|
* @param uart_num UART peripheral number
|
|
*/
|
|
void uart_vfs_dev_use_driver(int uart_num);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|