hal_uart.c 文件参考

#include <stdint.h>
#include <stdio.h>
#include "common_def.h"
#include "uart_porting.h"
#include "hal_uart.h"

hal_uart.c 的引用(Include)关系图:

函数
uintptr_t	hal_uart_base_addrs_get (uart_bus_t bus)
	获取指定UART的基地址。
errcode_t	hal_uart_regs_init (uart_bus_t bus)
	初始化UART，设置寄存器的基地址
errcode_t	hal_uart_register_funcs (uart_bus_t bus, hal_uart_funcs_t *funcs)
	注册 hal_uart_funcs_t 到 g_hal_uarts_funcs
errcode_t	hal_uart_unregister_funcs (uart_bus_t bus)
	从g_hal_uarts_funcs注销 hal_uart_funcs_t
hal_uart_funcs_t *	hal_uart_get_funcs (uart_bus_t bus)
	获取Driver层UART和HAL层UART的接口实例，参考 hal_uart_funcs_t.
errcode_t	hal_uart_set_rx_fifo_int_level (uart_bus_t bus, uart_fifo_rx_int_lvl_t level)
	设置uart触发接收中断的接收fifo阈值
errcode_t	hal_uart_set_tx_fifo_int_level (uart_bus_t bus, uart_fifo_tx_int_lvl_t level)
	设置uart触发中断的发送fifo阈值
errcode_t	hal_uart_init (uart_bus_t bus, hal_uart_callback_t callback, const hal_uart_pin_config_t *pins, const hal_uart_attr_t *attr, hal_uart_flow_ctrl_t flow_ctrl, hal_uart_extra_attr_t *extra_attr)
	HAL层UART的初始化接口
errcode_t	hal_uart_deinit (uart_bus_t bus)
	HAL层UART去初始化接口
errcode_t	hal_uart_write (uart_bus_t bus, const uint8_t *data, uint16_t len)
	HAL层UART发送数据接口
int32_t	hal_uart_read (uart_bus_t bus, const uint8_t *data, uint16_t len)
	HAL层UART读取数据接口
errcode_t	hal_uart_ctrl (uart_bus_t bus, hal_uart_ctrl_id_t id, uintptr_t param)
	HAL层UART控制接口
void	hal_uart_set_dma_config (uart_bus_t bus, const hal_uart_extra_attr_t *extra_attr)
	HAL层配置DMA传输接口

变量
uintptr_t	g_hal_uarts_regs [UART_BUS_MAX_NUM] = { 0 }
hal_uart_funcs_t *	g_hal_uarts_funcs [UART_BUS_MAX_NUM] = { 0 }

变量说明

g_hal_uarts_funcs

hal_uart_funcs_t* g_hal_uarts_funcs[UART_BUS_MAX_NUM] = { 0 }

g_hal_uarts_regs

uintptr_t g_hal_uarts_regs[UART_BUS_MAX_NUM] = { 0 }

Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.

Description: Provides hal uart
History:
2023-02-17, Create file.