90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* first version
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*/
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// 硬件定时器头文件
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#ifndef __OPENLOONGSON_TIMER_H
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#define __OPENLOONGSON_TIMER_H
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#include "ls1c_public.h"
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// 硬件定时器
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typedef enum
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{
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TIMER_PWM0, // PWM0用作硬件定时器
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TIMER_PWM1, // PWM1用作硬件定时器
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TIMER_PWM2, // PWM2用作硬件定时器
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TIMER_PWM3 // PWM3用作硬件定时器
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}ls1c_timer_t;
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// 硬件定时器信息
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typedef struct
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{
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ls1c_timer_t timer; // 硬件定时器
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unsigned long time_ns; // 低定时时间
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unsigned long time_h_ns; // 高定时时间
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}timer_info_t;
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/*
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* 初始化定时器，并开始定时
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* @timer_info 定时器和定时时间信息
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*/
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void timer_init(timer_info_t *timer_info);
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/*
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* 判断指定定时器是否超时
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* @timer_info 定时器
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* @ret TRUE or FALSE
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*/
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BOOL timer_is_time_out(timer_info_t *timer_info);
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/*
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* 停止定时器
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* @timer_info 定时器
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*/
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void timer_stop(timer_info_t *timer_info);
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/*
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* 获取定时器从初始化到现在的时间(实现计时功能)，单位ns
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* @timer_info 硬件定时器
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* @ret 时间，单位ns
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*/
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unsigned long timer_get_time_ns(timer_info_t *timer_info);
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/*
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* 打印timer相关寄存器的值
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* @timer_info 硬件定时器
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*/
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void timer_print_regs(timer_info_t *timer_info);
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/*
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* 定时器中断清
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* @timer_info 定时器信息
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*/
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void timer_int_clr(timer_info_t *timer_info);
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/*
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* 定时器计数清
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* @timer_info 定时器信息
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*/
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void timer_cnt_clr(timer_info_t *timer_info);
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/*
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* 初始化定时器，并开始中断定时
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* @timer_info 定时器和定时时间信息
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* @hrc 高中断 lrc 低中断 为1打开，为0关闭
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*/
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void timer_int_init(timer_info_t *timer_info, int hrc, int lrc);
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#endif
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