XTINY HAL UART 模块接口更多...

#include "xt_hal_internal.h"

宏定义
#define	XT_HAL_UART_INVALID_ID (0xFF)
#define	XT_HAL_UART_STOP_BITS_S (0)
#define	XT_HAL_UART_STOP_BITS_W (3)
#define	XT_HAL_UART_PARITY_S (3)
#define	XT_HAL_UART_PARITY_W (2)
#define	XT_HAL_UART_WORD_LEN_S (5)
#define	XT_HAL_UART_WORD_LEN_W (3)
#define	XT_HAL_UART_WORD_LEN_5 (0)
#define	XT_HAL_UART_WORD_LEN_6 (1)
#define	XT_HAL_UART_WORD_LEN_7 (2)
#define	XT_HAL_UART_WORD_LEN_8 (3)
#define	XT_HAL_UART_WORD_LEN_9 (4)
#define	XT_HAL_UART_STOP_BITS_1 (0)
#define	XT_HAL_UART_STOP_BITS_2 (1)
#define	XT_HAL_UART_STOP_BITS_0_5 (2)
#define	XT_HAL_UART_STOP_BITS_1_5 `(3)
#define	XT_HAL_UART_PARITY_N (0)
#define	XT_HAL_UART_PARITY_E (1)
#define	XT_HAL_UART_PARITY_O (2)
#define	XT_HAL_UART_PRESET(_word_length, _parity, _stop_bits)
	UART 预设配置宏
#define	XT_HAL_UART_8N1 XT_HAL_UART_PRESET(_8, _N, _1)
#define	XT_HAL_UART_8E1 XT_HAL_UART_PRESET(_8, _E, _1)
#define	XT_HAL_UART_8O1 XT_HAL_UART_PRESET(_8, _O, _1)
#define	XT_HAL_UART_8N2 XT_HAL_UART_PRESET(_8, _N, _2)
#define	XT_HAL_UART_8E2 XT_HAL_UART_PRESET(_8, _E, _2)
#define	XT_HAL_UART_8O2 XT_HAL_UART_PRESET(_8, _O, _2)

类型定义
typedef void(*	xt_hal_uart_cb_t) (uint8_t uart_id, uint32_t event_id)
	UART 回调函数类型定义

枚举
enum	xt_hal_uart_event_id { XT_HAL_UART_EVENT_RX = 0x00 , XT_HAL_UART_EVENT_TX_DONE }
	UART 事件 ID 枚举更多...

函数
xt_err_t	xt_hal_uart_setup (uint8_t uart_id, uint32_t preset, uint32_t baudrate, uint8_t tx_pin, uint8_t rx_pin)
	初始化 UART
xt_err_t	xt_hal_uart_close (uint8_t uart_id)
	关闭 UART
xt_err_t	xt_hal_uart_set_rx_buf (uint8_t uart_id, void *buffer, size_t size)
	设置接收缓冲区
xt_err_t	xt_hal_uart_set_tx_buf (uint8_t uart_id, void *buffer, size_t size)
	设置发送缓冲区
xt_err_t	xt_hal_uart_set_cb (uint8_t uart_id, xt_hal_uart_cb_t cb)
	设置 UART 回调函数
int32_t	xt_hal_uart_tx_block (uint8_t uart_id, const void *tx_buffer, size_t size)
	阻塞发送
int32_t	xt_hal_uart_tx_0copy (uint8_t uart_id, const void *tx_buffer, size_t size)
	非阻塞 0 拷贝发送
int32_t	xt_hal_uart_tx (uint8_t uart_id, const void *tx_buffer, size_t size)
	流式非阻塞发送
int32_t	xt_hal_uart_rx (uint8_t uart_id, void *rx_buffer, size_t size)
	流式非阻塞接收
int32_t	xt_hal_uart_get_rx_count (uint8_t uart_id)
	获取接收缓冲区中可读数据字节数
xt_err_t	xt_hal_uart_flush_rx (uint8_t uart_id)
	清空接收缓冲区
int32_t	xt_hal_uart_get_tx_free (uint8_t uart_id)
	获取发送缓冲区剩余空闲字节数
bool	xt_hal_uart_is_tx_busy (uint8_t uart_id)
	查询 UART 发送是否仍在进行（含移位寄存器）

详细描述

XTINY HAL UART 模块接口

SPDX-FileCopyrightText: 2025 深圳市天工聚创科技有限公司 SPDX-License-Identifier: Apache-2.0

在文件 xt_hal_uart.h 中定义.

宏定义