OLED9.6液晶屏底层驱动代码

ID:293298 · 发表于 2018-3-17 20:16

#include "i2c/bsp_I2C.h"
#include "OLED/bsp_i2c_OLED.h"
#include "OLED/codetab.h"
/* 私有类型定义 --------------------------------------------------------------*//
/**
向OLED写入命令
  */
void WriteCmd(unsigned char I2C_Command)//写命令
{
write_i2c(OLED_DEV_ADDR,0x00, I2C_Command);
}

void WriteDat(unsigned char I2C_Data)//写数据
{
write_i2c(OLED_DEV_ADDR,0x40, I2C_Data);
}

void OLED_Init(void)
{
  I2C_InitGPIO();

HAL_Delay(100); //这里的延时很重要

WriteCmd(0xAE); //display off
WriteCmd(0x20); //Set Memory Addressing Mode
WriteCmd(0x10); //00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
WriteCmd(0xb0); //Set Page Start Address for Page Addressing Mode,0-7
WriteCmd(0xc8); //Set COM Output Scan Direction
WriteCmd(0x00); //---set low column address
WriteCmd(0x10); //---set high column address
WriteCmd(0x40); //--set start line address
WriteCmd(0x81); //--set contrast control register
WriteCmd(0xff); //亮度调节 0x00~0xff
WriteCmd(0xa1); //--set segment re-map 0 to 127
WriteCmd(0xa6); //--set normal display
WriteCmd(0xa8); //--set multiplex ratio(1 to 64)
WriteCmd(0x3F); //
WriteCmd(0xa4); //0xa4,Output follows RAM content;0xa5,Output ignores RAM content
WriteCmd(0xd3); //-set display offset
WriteCmd(0x00); //-not offset
WriteCmd(0xd5); //--set display clock divide ratio/oscillator frequency
WriteCmd(0xf0); //--set divide ratio
WriteCmd(0xd9); //--set pre-charge period
WriteCmd(0x22); //
WriteCmd(0xda); //--set com pins hardware configuration
WriteCmd(0x12);
WriteCmd(0xdb); //--set vcomh
WriteCmd(0x20); //0x20,0.77xVcc
WriteCmd(0x8d); //--set DC-DC enable
WriteCmd(0x14); //
WriteCmd(0xaf); //--turn on oled panel
}

void OLED_SetPos(unsigned char x, unsigned char y) //设置起始点坐标
{
WriteCmd(0xb0+y);
WriteCmd(((x&0xf0)>>4)|0x10);
WriteCmd((x&0x0f)|0x01);
}
/**
  * @brief  OLED_Fill，填充整个屏幕
  * @param  fill_Data:要填充的数据
* @retval 无
  */

/**
  * @brief  OLED_CLS，清屏
  * @param  无
* @retval 无
  */
void OLED_CLS(void)//清屏
{
OLED_Fill(0x00);
}

/**
  * @brief  OLED_ON，将OLED从休眠中唤醒
  * @param  无
* @retval 无
  */
void OLED_ON(void)
{
WriteCmd(0X8D);  //设置电荷泵
WriteCmd(0X14);  //开启电荷泵
WriteCmd(0XAF);  //OLED唤醒
}

/**
  * @brief  OLED_OFF，让OLED休眠 -- 休眠模式下,OLED功耗不到10uA
  * @param  无
* @retval 无
  */
void OLED_OFF(void)
{
WriteCmd(0X8D);  //设置电荷泵
WriteCmd(0X10);  //关闭电荷泵
WriteCmd(0XAE);  //OLED休眠
}

/**
void OLED_ShowStr(unsigned char x, unsigned char y, unsigned char ch[], unsigned char TextSize)
{
unsigned char c = 0,i = 0,j = 0;
switch(TextSize)
{
  case 1:
  {
while(ch[j] != '\0')
{
c = ch[j] - 32;
if(x > 126)
{
   x = 0;
   y++;
}
OLED_SetPos(x,y);
for(i=0;i<6;i++)
   WriteDat(F6x8[c][i]);
x += 6;
j++;
}
  }break;
  case 2:
  {
while(ch[j] != '\0')
{
c = ch[j] - 32;
if(x > 120)
{
   x = 0;
   y++;
}
OLED_SetPos(x,y);
for(i=0;i<8;i++)
   WriteDat(F8X16[c*16+i]);
OLED_SetPos(x,y+1);
for(i=0;i<8;i++)
   WriteDat(F8X16[c*16+i+8]);
x += 8;
j++;
}
  }break;
}
}
/**
  * @brief  OLED_ShowCN，显示codetab.h中的汉字,16*16点阵
  * @param  x,y: 起始点坐标(x:0~127, y:0~7);
*    N:汉字在codetab.h中的索引
* @retval 无
  */
void OLED_ShowCN(unsigned char x, unsigned char y, unsigned char N)
{
unsigned char wm=0;
unsigned int  adder=32*N;
OLED_SetPos(x , y);
for(wm = 0;wm < 16;wm++)
{
  WriteDat(F16x16[adder]);
  adder += 1;
}
OLED_SetPos(x,y + 1);
for(wm = 0;wm < 16;wm++)
{
  WriteDat(F16x16[adder]);
  adder += 1;
}
}

ID:685056 · 发表于 2020-2-8 22:06

您好，能问问WriteDat(F8X16[c*16+i]);
这行代码是什么意思吗，我编译的时候报错了TAT

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