/*
 * ht1621.c
 *
 *  Created on: 2021年10月12日
 *      Author: wuwenfeng
 */


#include "ht1621.h"
#include "my_code.h"

#define HT1621_addrbit 6			//驱动ic的ram地址位数 A5-A0

/**
  * @brief  HT1621 clk
  * @param  None
  * @retval None
  */
void WriteClockHT1621(void)
{
	HC595_SCK(0);
	HC595_SCK(1);
}
/**
  * @brief  Write HT1621 Command
  * @param  FunctonCode->功能/命令码
  * @retval None
  */
void WriteCommandHT1621(unsigned char FunctonCode)
{
	unsigned char Shift = 0x80;
	unsigned char i;
	HC595_RCK(0);				//CS 片选开
	HC595_DCK(1);			//100
	WriteClockHT1621();
	HC595_DCK(0);
	WriteClockHT1621();
	HC595_DCK(0);
	WriteClockHT1621();
	for(i = 0; i < 8; i++)
	{
		if(Shift & FunctonCode)
		{HC595_DCK(1);}
		else
		{HC595_DCK(0);}

		 WriteClockHT1621();
		 Shift = Shift >> 1;
	}
	{HC595_DCK(0);}
	WriteClockHT1621();				//发送一个 0 命令码中最后一位 X
	HC595_RCK(1);				//CS 片选关
	HC595_DCK(1);
}
/**
  * @brief  Write 1 data to HT1621
  * @param  Addr->写入ram的地址
  * @param  Databuf->写入ram的数据
  * @retval None
  */
void Write1DataHT1621(unsigned char Addr,unsigned char Dat)
{
	unsigned char i;
	unsigned char Shift;
	HC595_RCK(0);				//CS 片选开
	HC595_DCK(1);				//101
	WriteClockHT1621();
	HC595_DCK(0);
	WriteClockHT1621();
	HC595_DCK(1);
	WriteClockHT1621();
	Shift = 0x20; 					//屏蔽高3位 只用5位
	for( i = 0; i < HT1621_addrbit; i++)
	{
		if(Addr & Shift)
		{HC595_DCK(1);}
		else
		{HC595_DCK(0);}
		WriteClockHT1621();
		Shift = Shift >> 1;
	}

	Shift = 0x01;
	for (i = 0; i < 4; i++)
	{
		if( Dat & Shift)
		{HC595_DCK(1);}
		else
		{HC595_DCK(0);}
		WriteClockHT1621();
		Shift = Shift << 1;
	}
	HC595_RCK(1);					//CS 片选关
	HC595_DCK(1);
}
/**
  * @brief  Write n data to HT1621
  * @param  Addr->写入ram的起始地址
  * @param  Databuf->写入ram的数据buffer
  * @param  Cnt->写入ram的数据个数
  * @retval None
  */
void WritenDataHT1621(unsigned char Addr,unsigned char *Databuf,unsigned char Cnt)
{
	unsigned char i,j;
	unsigned char Shift;
	unsigned char dataval;
	HC595_RCK(0);   				//CS 片选开
	HC595_DCK(1); 		  		//101
	WriteClockHT1621();
	HC595_DCK(0);
	WriteClockHT1621();
	HC595_DCK(1);
	WriteClockHT1621();
	Shift = 0x20; 					//屏蔽高3位 只用5位
	for( i = 0; i < HT1621_addrbit; i++)
	{
		if (Addr & Shift)
		{HC595_DCK(1);}
		else
		{HC595_DCK(0);}
		WriteClockHT1621();
		Shift = Shift >> 1;
	}
	for (j = 0; j < Cnt; j++)
	{
		Shift = 0x01;
		dataval=*Databuf++;
		for (i = 0; i < 4; i++)
		{
			if( dataval & Shift)
			{HC595_DCK(1);}
			else
			{HC595_DCK(0);}
			WriteClockHT1621();
			Shift = Shift << 1;
		}
	}
	HC595_RCK(1);   				//CS 片选关
	HC595_DCK(1);
}



/**
  * @brief  HT1621 Init
  * @param  None
  * @retval None
  */
void HT1621_Init(void)	//退出掉电低功耗状态重新初始化HT1621
{
	HC595_RCK(1);
	HC595_SCK(1);
	HC595_DCK(1);

	WriteCommandHT1621(OSC_ON);
	WriteCommandHT1621(DISP_ON);

	WriteCommandHT1621(COM_1_3__4);

	//上电默认配置(以下未用功能关闭降低功耗)

	WriteCommandHT1621(TIMER_DIS);
	WriteCommandHT1621(WDT_DIS);
	WriteCommandHT1621(BUZZ_OFF);
	WriteCommandHT1621(IRQ_DIS);


}