/*
 * @Author: your name
 * @Date: 2020-05-27 20:55:28
 * @LastEditTime: 2020-08-18 22:38:03
 * @LastEditors: Please set LastEditors
 * @Description: In User Settings Edit
 * @FilePath: \BF-103\bsp_systick.c
 */ 

#include "bsp_systick.h"
static __IO uint32_t g_runtime;   //全局事件，每 1ms自增加1
static __IO int32_t TimingDelay;

static struct 
{
	Timer soft_timer[SOFT_TMR_COUNT];
	uint8_t write;
	uint8_t read;
}SoftTimerPool = 
{
	.write = 0,
	.read = 0
};

void TimerDecrease()
{
	for(int i = 0; i < SOFT_TMR_COUNT; i++)
	{
		if(CheckTimer(&SoftTimerPool.soft_timer[i]))
		{
			SoftTimerPool.soft_timer[i].timer_event();
			if(SoftTimerPool.soft_timer[i].Mode == Auto)
				SoftTimerPool.soft_timer[i].count = SoftTimerPool.soft_timer[i].Preload;
		}
	}
}
void StartOnceTimer(Timer * timer,uint32_t period,void * timercall)
{
	timer->Mode = Once;
	timer->Preload = period; //自动重装值，仅自动模式有效
	timer->Flag = 0;
	timer->count = period;
	timer->timer_event = (void (*)(void))timercall;
}
void StartAutoTimer(Timer * timer,uint32_t period,void * timercall)
{
	timer->Mode = Auto;
	timer->Preload = period;
	timer->Flag = 0;
	timer->count = period;
	timer->timer_event = (void (*)(void))timercall;
}
uint8_t CheckTimer(Timer * timer)
{
	if(--timer->count == 0)
	{
		timer->Flag = 1;
		return 1;
	}
	else
	{
		return 0;
	}
}

//初始化延迟函数
//SYSTICK的时钟固定为AHB时钟的1/8
//SYSCLK:系统时钟频率
//配置中断时间为1ms
void SysTick_Init()
{
	if(SysTick_Config(SystemCoreClock / 1000))
	{
		while(1);
	}
	SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;				   
}								    
void delay_ms(u16 nms)
{
	SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
	TimingDelay = nms;
	while(TimingDelay != 0);
	SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
}

void TimeDecrease()
{
	if(TimingDelay != 0)
		TimingDelay--;
}

void AddTimerToPool(Timer * timer)
{
	if(SoftTimerPool.write > SOFT_TMR_COUNT)
		SoftTimerPool.write = 0;
	SoftTimerPool.soft_timer[SoftTimerPool.write] = *timer;
}

int test_getWirte()
{
	return SoftTimerPool.write;
}