/*
 ******************************************************************************
 *
 * @file     led.c
 * @brief    led module
 * @ic		 TP3102                
 *
 * @version  1.0
 * @date     2022/08/04   15:00:40
 * @author   Alex Xu
 *
 * Copyright (c) 2013-2099,Tkplusemi Technology Co.,Ltd.
 * All Rights Reserved
 *
 * History:
 * Revision          Date           Author            Desc
 * 1.0.0            2022/08/04      Alex          build this file
 ******************************************************************************/
 /*_____ I N C L U D E S ____________________________________________________*/

#include "led.h"


#ifdef LED_DISPLAY

/******************************************************************************\
                          Macro definitions
\******************************************************************************/

/******************************************************************************\
                             Variables definitions
\******************************************************************************/
static idata TS_LED_INFO LED;

idata volatile uint8_t Display_Sta = LED_OFF;			// 显示状态

/******************************************************************************\
                             Functions definitions
\******************************************************************************/

/*
* 函数名称 : LED_Init
* 功能描述 : LED初始化
* 参    数 : NONE
* 返回值   : NONE
*/
/******************************************************************************/
void LED_Init(void)
/******************************************************************************/  
{
	SFRADDR = P0_OE;
	SFRDATA |= 0x08; 
	
	SFRADDR = P0_DRV;
	SFRDATA = 0x0C; 

	pin_LED_1 = 0;
}

/*
* 函数名称 : LED_Set
* 功能描述 : LED工作方式设置
* 参    数 :  State：工作方式      / Period:闪烁周期(频率，单位ms) / Times:闪烁次数
* 返回值   : NONE
*/
/******************************************************************************/
void LED_Set(uint8_t State,uint8_t Period,uint8_t Times)
/******************************************************************************/  
{
	LED.State = State;
	LED.Flash_Duty = Period / 2;
	LED.Flash_Period = Period;
	LED.Flash_Times = Times;
	LED.Timer = 0;
}

/*
* 函数名称 : LED_Service
* 功能描述 : LED驱动，需放在100ms时间片中
* 参    数 : NONE
* 返回值   : NONE
*/
/******************************************************************************/
void LED_Drv(void)
/******************************************************************************/  
{
	switch(LED.State)
	{
		case LED_ON:
			LEDR_ON();
		break;
		
		case LED_OFF:
			LEDR_OFF();
		break;

		case LED_FLASH:
			if( LED.Timer < LED.Flash_Duty )
			{
				LEDR_ON();
			}
			else
			{
				LEDR_OFF();
			}
			
			if( LED.Timer >= LED.Flash_Period )//LED.Timer[i]表示累加的时间
			{
				LED.Timer = 0; 
				if( LED.Flash_Times > 0 )
				{
					LED.Flash_Times--;
				}
				if( LED.Flash_Times == 0 )
				{
					LED.State = LED_OFF;
					Display_Sta = LED_OFF;		// LED_OFF == DISPLAY_OFF
				}
			}
		break;
		
		case LED_KEEP_FLASHING:
			if( LED.Timer <= LED.Flash_Duty )
			{
				LEDR_ON();
			}
			else
			{
				LEDR_OFF();
			}
			if( LED.Timer >= LED.Flash_Period )
			{
				LED.Timer = 0;
			}
		break;
	
		default: 
			LEDR_OFF();
		break;
	}			
    
    LED.Timer += LED_PLUS_TIME;
}

#endif