motor_controller2/my_software/ht1621.c

/*
 * 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  数据交换，自动生成液晶需要的数组，此程序，需要根据液晶图纸修改
  * @param  None
  * @retval None
  */
const unsigned char LED_Tab[]=
{
	0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,	//0-15 = 0--f
	0x58,	//16=c
	0x37,	//17=N
	0x40,	//18=-
	0x0E,	//19=J
	0x3E,	//20=U
	0x76,	//21=H
	0x30,	//22=I
};
unsigned char LCD_RAM_Tab[sizeof(LED_Tab)];

#define		LCD_A			0x01
#define		LCD_B			0x02
#define		LCD_C			0x04
#define		LCD_D			0x08
#define		LCD_E			0x10
#define		LCD_F			0x20
#define		LCD_G			0x40
#define		LCD_P			0x80

void HT1621_num_init(void)
{
	unsigned char num,LCD_data;

	for(num=0; num<sizeof(LED_Tab); num++)
	{
		LCD_data = 0;
		LCD_data = LCD_data | ((unsigned char)((char)(LED_Tab[num] & LCD_P)) << 7);
		LCD_data = LCD_data | ((unsigned char)((char)(LED_Tab[num] & LCD_E)) << 6);
		LCD_data = LCD_data | ((unsigned char)((char)(LED_Tab[num] & LCD_F)) << 5);
		LCD_data = LCD_data | ((unsigned char)((char)(LED_Tab[num] & LCD_A)) << 4);

		LCD_data = LCD_data | ((unsigned char)((char)(LED_Tab[num] & LCD_D)) << 3);
		LCD_data = LCD_data | ((unsigned char)((char)(LED_Tab[num] & LCD_C)) << 2);
		LCD_data = LCD_data | ((unsigned char)((char)(LED_Tab[num] & LCD_G)) << 1);
		LCD_data = LCD_data | ((unsigned char)((char)(LED_Tab[num] & LCD_B)) << 0);

		LCD_RAM_Tab[num] = LCD_data;
	}
}
/**
  * @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);

	HT1621_num_init();		//自动生成液晶屏需要的数组
}

/**
  * @brief  用户显示程序，需要自己完善
  * @param  None
  * @param  None
  * @retval None
  */

void HT1621_Display(void)
{

	Write1DataHT1621(0,0x00);
	Write1DataHT1621(1,0x00);
	Write1DataHT1621(2,0x00);
	Write1DataHT1621(3,0x00);
	Write1DataHT1621(4,0x00);
	Write1DataHT1621(5,0x00);
	Write1DataHT1621(6,0x00);
	Write1DataHT1621(7,0x00);


}