mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
// Copyright 2010-2020 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#pragma once
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stdint.h>
|
|
|
|
#define ESP_ROM_CDC_ACM_WORK_BUF_MIN 128
|
|
|
|
typedef enum {
|
|
ESP_ROM_UART_0,
|
|
ESP_ROM_UART_1,
|
|
ESP_ROM_UART_USB
|
|
} esp_rom_uart_num_t;
|
|
|
|
/**
|
|
* @brief Wait for UART TX FIFO is empty and all data has been sent out.
|
|
*
|
|
* @param uart_no UART port number
|
|
*/
|
|
void esp_rom_uart_tx_wait_idle(uint8_t uart_no);
|
|
|
|
/**
|
|
* @brief Set clock source and baud rate for UART.
|
|
*
|
|
* @param uart_no UART port number
|
|
* @param clock_hz Source clock (in Hz)
|
|
* @param baud_rate Baud rate to set
|
|
*/
|
|
void esp_rom_uart_set_clock_baudrate(uint8_t uart_no, uint32_t clock_hz, uint32_t baud_rate);
|
|
|
|
/**
|
|
* @brief Wait until UART TX FIFO is empty (i.e. flush TX FIFO)
|
|
*
|
|
* @param uart_no UART port number
|
|
*/
|
|
void esp_rom_uart_flush_tx(uint8_t uart_no);
|
|
|
|
/**
|
|
* @brief Transmit one character to the console channel.
|
|
*
|
|
* @param c Character to send
|
|
* @return
|
|
* - 0 on success
|
|
* - 1 on failure
|
|
*/
|
|
int esp_rom_uart_tx_one_char(uint8_t c);
|
|
|
|
/**
|
|
* @brief Get one character from the console channel.
|
|
*
|
|
* @param c Where to store the character
|
|
* @return
|
|
* - 0 on success
|
|
* - 1 on failure or no data available
|
|
*/
|
|
int esp_rom_uart_rx_one_char(uint8_t *c);
|
|
|
|
/**
|
|
* @brief Get one line of string from console channel (line ending won't be stored in the buffer).
|
|
*
|
|
* @param str Where to store the string
|
|
* @param max_len Maximum length of the buffer (including the NULL delimiter)
|
|
* @return always return 0 when on success or wait in a loop for rx data
|
|
*/
|
|
int esp_rom_uart_rx_string(uint8_t *str, uint8_t max_len);
|
|
|
|
/**
|
|
* @brief Set the UART port used by ets_printf.
|
|
*
|
|
* @param uart_no UART port number
|
|
*/
|
|
void esp_rom_uart_set_as_console(uint8_t uart_no);
|
|
|
|
/**
|
|
* @brief Initialize the USB ACM UART
|
|
* @note The ACM working memroy should be at least 128 bytes (ESP_ROM_CDC_ACM_WORK_BUF_MIN) in size.
|
|
*
|
|
* @param cdc_acm_work_mem Pointer to the work memroy used for CDC-ACM
|
|
* @param cdc_acm_work_mem_len Length of work memory
|
|
*/
|
|
void esp_rom_uart_usb_acm_init(void *cdc_acm_work_mem, int cdc_acm_work_mem_len);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|