#include "sk9822.h"
#include "public.h"

//写一个字节数据函数  
void SK9822_Write_Byte(unsigned char Data)
{
       unsigned char i=0;
       for(i=0;i<8;i++)
       {
                //SDI=(Data&0x80)>>7;
                if(Data&0x80)
                {
                    SK9822_SDI_PIN_H();
                }else
                {
                    SK9822_SDI_PIN_L();
                }
                Data<<=1; 	  
		system_delay_us(1);   
		SK9822_SCK_PIN_H();
		system_delay_us(1); 
		SK9822_SCK_PIN_L();
		system_delay_us(1);
       }
}
//函数名称：SK9822写数据函数 
//输入参数：Bri 亮度调整  高3位固定为1  取值范围00000-11111
//输入参数：RED 红色灰度值  取值范围0-255
//输入参数：GREEN 绿色灰度值
//输入参数：BLUE 蓝色灰度值
void SK9822_Write_Data(unsigned char Bri,unsigned char RED,unsigned char GREEN,unsigned char BLUE)
{
	
        SK9822_Write_Byte(0x00);//写开始帧 
	SK9822_Write_Byte(0x00);
	SK9822_Write_Byte(0x00);
	SK9822_Write_Byte(0x00);
        SK9822_Write_Byte(Bri);//写亮度值
	SK9822_Write_Byte(BLUE);//写蓝色灰度
	SK9822_Write_Byte(GREEN);//写绿色灰度
	SK9822_Write_Byte(RED);//写红色灰度

        SK9822_Write_Byte(0xFF);//写结束帧
	SK9822_Write_Byte(0xFF);
	SK9822_Write_Byte(0xFF);
	SK9822_Write_Byte(0xFF);
}

void SK9822_Intit(void)
{
    SK9822_SCK_PIN_OUT();
    SK9822_SDI_PIN_OUT();
    SK9822_Write_Data(0,0,0,0);
}