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easyblink.h
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/*
* Copyright (c) 2006-2020, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-01-15 Sunwancn the first version
* 2020-04-01 Sunwancn Version 2.0.0
*/
#ifndef __EASYBLINK_H__
#define __EASYBLINK_H__
#include <rtthread.h>
#include <board.h>
#ifdef __cplusplus
extern "C" {
#endif
/* 可以使用MSH控制台手动控制LED闪烁 */
//#define PKG_EASYBLINK_USING_MSH_CMD
/* 使用MUTEX互锁，线程安全，一般情况下不需要使用 */
//#define PKG_EASYBLINK_USING_MUTEX
/* 使用系统的动态堆来创建线程栈 */
//#define PKG_EASYBLINK_USING_HEAP
/* 可控制的最大LED数目 */
#ifndef PKG_EASYBLINK_MAX_LED_NUMS
#define PKG_EASYBLINK_MAX_LED_NUMS 1
#endif
/* 线程栈相关配置 */
#define PKG_EASYBLINK_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX - 2)
#define PKG_EASYBLINK_THREAD_STACK_SIZE 256
#define PKG_EASYBLINK_THREAD_TIMESLICE (RT_TICK_PER_SECOND / 20) /* 50ms */
/* 若在中断中使用 easyblink，并开了互锁，请把宏 PKG_EASYBLINK_WAIT_MUTEX_TICK 设为 0 吧，
* 漏掉一次不闪就一次不闪吧，只是LED指示，无所谓的，还是中断的实时性重要。*/
#define PKG_EASYBLINK_WAIT_MUTEX_TICK 2U
#define PKG_EASYBLINK_WAIT_MAX_TICK ((RT_TICK_MAX / 2) - 1)
/* 将一个LED闪烁系列从前台转向后台时，LED闪烁切换开始前的关断时间，毫秒 */
#define PKG_EASYBLINK_WAIT_MS_START 500U
/* 将一个LED闪烁系列从后台恢复时，LED闪烁切换开始前的关断时间，毫秒 */
#define PKG_EASYBLINK_WAIT_MS_END 5000U
#define PKG_EASYBLINK_INIT 0x01
#define PKG_EASYBLINK_ACTIVE 0x02
#define PKG_EASYBLINK_CORRECT 0x04
#define PKG_EASYBLINK_LED_SHOULD_ON 0x08
#define __EASYBLINK_IS_FLAG(__LEDPTR__, __FLAG__) ((__LEDPTR__)->flag & (__FLAG__))
#define __EASYBLINK_SET_FLAG(__LEDPTR__, __FLAG__) ((__LEDPTR__)->flag |= (__FLAG__))
#define __EASYBLINK_CLEAR_FLAG(__LEDPTR__, __FLAG__) ((__LEDPTR__)->flag &= ~(__FLAG__))
#define __EASYBLINK_MS_TO_TICK(__MS__) ((__MS__) * RT_TICK_PER_SECOND / 1000U)
struct easyblink_data
{
rt_base_t led_pin;
rt_base_t active_level;
rt_uint16_t flag;
rt_int16_t nums;
rt_int16_t nums_bak;
rt_uint16_t pulse;
rt_uint16_t pulse_bak;
rt_uint16_t npulse;
rt_uint16_t npulse_bak;
rt_int32_t ticks;
};
typedef struct easyblink_data *ebled_t;
#ifdef SOC_FAMILY_STM32
extern ebled_t easyblink_init(GPIO_TypeDef *port, rt_uint16_t pin, GPIO_PinState active_level);
#endif
extern ebled_t easyblink_init_led(rt_base_t rt_pin, rt_base_t active_level);
extern void easyblink_deinit(ebled_t led);
extern void easyblink_stop(ebled_t led);
extern void easyblink(ebled_t led, rt_int16_t nums, rt_uint16_t pulse, rt_uint16_t period);
extern void eb_led_on(ebled_t led);
extern void eb_led_off(ebled_t led);
extern void eb_led_toggle(ebled_t led);
#ifdef __cplusplus
}
#endif
#endif /* __EASYBLINK_H__ */