TMC32_QJB/LCD/LCD.c

/**
  ******************************************************************************
  * @file    LCD.c
  * @author  jjj
  * @version V1.0.0
  * @date    06/13/2022
  * @brief   
  ******************************************************************************  
  *
  *
  * <h2><center>&copy; COPYRIGHT 2022 </center></h2>
  ******************************************************************************
**/
#include "LCD.h"

const uint8_t SegCode[11]= {
    0x5f,	//0
    0x06,	//1 
    0x3d,	//2
    0x2f,	//3
    0x66,	//4
    0x6b,	//5
    0x7b,	//6
    0x0e,	//7
    0x7f,	//8
    0x6f, //9
	  0x20  //-
};

const uint8_t LCDAddr[11][2]={
{13,12},
{15,14},
{17,16},
{19,18},
{21,20},
{10,11},
{8,9},
{6,7},
{4,5},
{2,3},
{0,1}
};

extern void Delay_us(uint32_t us);
extern uint32_t gFunTrace;

/**
 * @function    AppLCDInit
 * @brief       LCD³õʼ»¯
 */
void LCD_Init(void)
{
	GPIO_InitTypeDef GPIO_Board_Init;

	memset((void *)&GPIO_Board_Init,0,sizeof(GPIO_InitTypeDef));
	
  GPIO_Board_Init.Pin = GPIO_PIN_5|GPIO_PIN_6;
	GPIO_Board_Init.Pull = GPIO_NOPULL;
	GPIO_Board_Init.Speed = GPIO_FAST_SPEED;
	GPIO_Board_Init.Otype = GPIO_MODE_OUTPUT_PP;
	GPIO_Board_Init.Mode = GPIO_MODE_OUT;
	GPIO_Init(GPIOB, &GPIO_Board_Init);
	
  GPIO_Board_Init.Pin = GPIO_PIN_3;
	GPIO_Board_Init.Pull = GPIO_NOPULL;
	GPIO_Board_Init.Speed = GPIO_FAST_SPEED;
	GPIO_Board_Init.Otype = GPIO_MODE_OUTPUT_PP;
	GPIO_Board_Init.Mode = GPIO_MODE_OUT;
	GPIO_Init(GPIOE, &GPIO_Board_Init);

	//LCD backlight
  GPIO_Board_Init.Pin = GPIO_PIN_12;
	GPIO_Board_Init.Pull = GPIO_NOPULL;
	GPIO_Board_Init.Speed = GPIO_LOW_SPEED;
	GPIO_Board_Init.Otype = GPIO_MODE_OUTPUT_PP;
	GPIO_Board_Init.Mode = GPIO_MODE_OUT;
  GPIO_Board_Init.SMIT = GPIO_INPUTSCHMIT_DISABLE;
	GPIO_Init(GPIOD, &GPIO_Board_Init);
	GPIO_ResetBits(GPIOD,GPIO_PIN_12);
	

  LCD_CS_H;
	LCD_WR_H;
	LCD_DAT_H;
	
	TMC_Delay(500); 
	LCD_SendCmd(0x52);
	LCD_SendCmd(0X30);
	LCD_SendCmd(0X00);
	LCD_SendCmd(0X0A);
	LCD_SendCmd(0X02);
	LCD_SendCmd(0X06);

	LCD_SendCmd(BIAS1_3_4COM);
	LCD_SendCmd(SYSEN);
	LCD_SendCmd(LCDON);
	
}

/**
 * @function    LCD_SendCmd
 * @brief       
 */
void LCD_SendCmd(uint8_t Cmd)
{
    LCD_CS_L;
    Delay_us(1);
    LCD_SendBit(0x80,3);
    LCD_SendBit(Cmd,9);
    LCD_CS_H;
    Delay_us(1);
}

/**
 * @function    LCD_SendBit
 * @brief       
 */
void LCD_SendBit(uint8_t dat,uint8_t cnt)
{
    u8 i;
    for(i=0; i<cnt; i++)
    {
        LCD_WR_L;
        Delay_us(1);
        if((dat&0x80)==0)
        {
            LCD_DAT_L;
        }
        else
        {
            LCD_DAT_H;
        }

        Delay_us(1);
        LCD_WR_H;
        Delay_us(1);
        dat<<=1;
    }
}

/**
 * @function    LCD_SendDataBit
 * @brief       
 */
void LCD_SendDataBit(u8 dat,u8 cnt)
{
    u8 i;
    for(i=0; i<cnt; i++)
    {
        if((dat&0x01)==0)
        {
            LCD_DAT_L;
        }
        else
        {
            LCD_DAT_H;
        }

        Delay_us(1);
        LCD_WR_L;
        Delay_us(1);
        LCD_WR_H;
        Delay_us(1);
        dat>>=1;
    }
}


/**
 * @function    LCD_Erase
 * @brief       
 */
void LCD_Erase(void)
{
	  uint8_t i;
	
    gFunTrace = 20;
	
    LCD_CS_L;
    LCD_SendBit(0xa0,3);
    LCD_SendBit(0,6);//start address
	
		for(i=0;i<DISPLAY_CHAR_MAX;i++)
	  {
			LCD_SendDataBit(0,8);
		}
    LCD_CS_H;
    Delay_us(1);

  gFunTrace = 21;
		
		i = SegCode[0];
		LCD_CS_L;
		LCD_SendBit(0xa0,3);
		LCD_SendBit(LCDAddr[0][0]<<2,6);
		LCD_SendDataBit(i,4); //
		LCD_CS_H;
		Delay_us(1);
		
		LCD_CS_L;
		LCD_SendBit(0xa0,3);
		LCD_SendBit(LCDAddr[0][1]<<2,6);
		LCD_SendDataBit(i>>4,4);
		LCD_CS_H;
		Delay_us(1);

  gFunTrace = 22;
		
}

/**
 * @function    LCD_Display
 * @brief       
 */
void LCD_Display(uint8_t *p,uint8_t num)
{
	  uint8_t i,sCode;
		LCD_Erase();
	
  gFunTrace = 23;
	
		for(i=0;i<num;i++)
	  {	
			sCode = SegCode[p[i]];
			LCD_CS_L;
			LCD_SendBit(0xa0,3);
			LCD_SendBit(LCDAddr[i][0]<<2,6);
			LCD_SendDataBit(sCode,4); //
			LCD_CS_H;
			Delay_us(1);
			
			LCD_CS_L;
			LCD_SendBit(0xa0,3);
			LCD_SendBit(LCDAddr[i][1]<<2,6);
			LCD_SendDataBit(sCode>>4,4); //
			LCD_CS_H;
			Delay_us(1);
		}
		
  gFunTrace = 24;
		
}

/**
 * @function    LCD_CharDisplay
 * @brief       
 */
void LCD_CharDisplay(char *p,uint8_t num)
{
	  uint8_t i,sCode,j;
		LCD_Erase();
	
  gFunTrace = 25;
	
	  j = 0;
		for(i=0;i<num;i++)
	  {
      if(p[i]=='-')sCode = 10;
			else if(p[i]>='0' && p[i]<='9')sCode = p[i] - '0';
      else continue;			
			
			sCode = SegCode[sCode];
			LCD_CS_L;
			LCD_SendBit(0xa0,3);
			LCD_SendBit(LCDAddr[j][0]<<2,6);
			LCD_SendDataBit(sCode,4); //
			LCD_CS_H;
			Delay_us(1);
			
			LCD_CS_L;
			LCD_SendBit(0xa0,3);
			LCD_SendBit(LCDAddr[j][1]<<2,6);
			LCD_SendDataBit(sCode>>4,4); //
			LCD_CS_H;
			Delay_us(1);
			j++;
			if(j==11)break;
		}
  gFunTrace = 26;
		
}

void LCD_Display_test(uint8_t p)
{
	  uint8_t i,sCode;
		LCD_Erase();
		for(i=0;i<11;i++)
	  {	
			sCode = p;
			LCD_CS_L;
			LCD_SendBit(0xa0,3);
			LCD_SendBit(LCDAddr[i][0]<<2,6);
			LCD_SendDataBit(sCode,4); //
			LCD_CS_H;
			Delay_us(1);
			
			LCD_CS_L;
			LCD_SendBit(0xa0,3);
			LCD_SendBit(LCDAddr[i][1]<<2,6);
			LCD_SendDataBit(sCode>>4,4); //
			LCD_CS_H;
			Delay_us(1);
		}
}